diff options
Diffstat (limited to 'engines/mohawk/video')
-rw-r--r-- | engines/mohawk/video/cinepak.cpp | 286 | ||||
-rw-r--r-- | engines/mohawk/video/cinepak.h | 81 | ||||
-rw-r--r-- | engines/mohawk/video/qdm2.cpp | 3063 | ||||
-rw-r--r-- | engines/mohawk/video/qdm2.h | 289 | ||||
-rw-r--r-- | engines/mohawk/video/qdm2data.h | 531 | ||||
-rw-r--r-- | engines/mohawk/video/qt_player.cpp | 1272 | ||||
-rw-r--r-- | engines/mohawk/video/qt_player.h | 282 | ||||
-rw-r--r-- | engines/mohawk/video/qtrle.cpp | 420 | ||||
-rw-r--r-- | engines/mohawk/video/qtrle.h | 58 | ||||
-rw-r--r-- | engines/mohawk/video/rpza.cpp | 208 | ||||
-rw-r--r-- | engines/mohawk/video/rpza.h | 49 | ||||
-rw-r--r-- | engines/mohawk/video/smc.cpp | 385 | ||||
-rw-r--r-- | engines/mohawk/video/smc.h | 59 | ||||
-rw-r--r-- | engines/mohawk/video/video.cpp | 377 | ||||
-rw-r--r-- | engines/mohawk/video/video.h | 107 |
15 files changed, 0 insertions, 7467 deletions
diff --git a/engines/mohawk/video/cinepak.cpp b/engines/mohawk/video/cinepak.cpp deleted file mode 100644 index 2ffe6869ae..0000000000 --- a/engines/mohawk/video/cinepak.cpp +++ /dev/null @@ -1,286 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#include "mohawk/video/cinepak.h" - -#include "common/system.h" -#include "graphics/conversion.h" // For YUV2RGB - -// Code here partially based off of ffmpeg ;) - -namespace Mohawk { - -#define PUT_PIXEL(offset, lum, u, v) \ - Graphics::CPYUV2RGB(lum, u, v, r, g, b); \ - if (_pixelFormat.bytesPerPixel == 2) \ - *((uint16 *)_curFrame.surface->pixels + offset) = _pixelFormat.RGBToColor(r, g, b); \ - else \ - *((uint32 *)_curFrame.surface->pixels + offset) = _pixelFormat.RGBToColor(r, g, b) - -CinepakDecoder::CinepakDecoder() : Graphics::Codec() { - _curFrame.surface = NULL; - _curFrame.strips = NULL; - _y = 0; - _pixelFormat = g_system->getScreenFormat(); - - // We're going to have to dither if we're running in 8bpp. - // We'll take RGBA8888 for best color performance in this case. - if (_pixelFormat.bytesPerPixel == 1) - _pixelFormat = Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0); -} - -CinepakDecoder::~CinepakDecoder() { - if (_curFrame.surface) - _curFrame.surface->free(); - delete[] _curFrame.strips; -} - -Graphics::Surface *CinepakDecoder::decodeImage(Common::SeekableReadStream *stream) { - _curFrame.flags = stream->readByte(); - _curFrame.length = (stream->readByte() << 16) + stream->readUint16BE(); - _curFrame.width = stream->readUint16BE(); - _curFrame.height = stream->readUint16BE(); - _curFrame.stripCount = stream->readUint16BE(); - - if (_curFrame.strips == NULL) - _curFrame.strips = new CinepakStrip[_curFrame.stripCount]; - - debug (4, "Cinepak Frame: Width = %d, Height = %d, Strip Count = %d", _curFrame.width, _curFrame.height, _curFrame.stripCount); - -#if 0 - // Borrowed from FFMPEG. This should cut out the extra data Cinepak for Sega has (which is useless). - // The theory behind this is that this is here to confuse standard Cinepak decoders. But, we won't let that happen! ;) - if (_curFrame.length != (uint32)stream->size()) { - if (stream->readUint16BE() == 0xFE00) - stream->readUint32BE(); - } -#endif - - if (!_curFrame.surface) { - _curFrame.surface = new Graphics::Surface(); - _curFrame.surface->create(_curFrame.width, _curFrame.height, _pixelFormat.bytesPerPixel); - } - - // Reset the y variable. - _y = 0; - - for (uint16 i = 0; i < _curFrame.stripCount; i++) { - if (i > 0 && !(_curFrame.flags & 1)) { // Use codebooks from last strip - for (uint16 j = 0; j < 256; j++) { - _curFrame.strips[i].v1_codebook[j] = _curFrame.strips[i - 1].v1_codebook[j]; - _curFrame.strips[i].v4_codebook[j] = _curFrame.strips[i - 1].v4_codebook[j]; - } - } - - _curFrame.strips[i].id = stream->readUint16BE(); - _curFrame.strips[i].length = stream->readUint16BE() - 12; // Subtract the 12 byte header - _curFrame.strips[i].rect.top = _y; stream->readUint16BE(); // Ignore, substitute with our own. - _curFrame.strips[i].rect.left = 0; stream->readUint16BE(); // Ignore, substitute with our own - _curFrame.strips[i].rect.bottom = _y + stream->readUint16BE(); - _curFrame.strips[i].rect.right = _curFrame.width; stream->readUint16BE(); // Ignore, substitute with our own - - //printf ("Left = %d, Top = %d, Right = %d, Bottom = %d\n", _curFrame.strips[i].rect.left, _curFrame.strips[i].rect.top, _curFrame.strips[i].rect.right, _curFrame.strips[i].rect.bottom); - - // Sanity check. Because Cinepak is based on 4x4 blocks, the width and height of each strip needs to be divisible by 4. - assert(!(_curFrame.strips[i].rect.width() % 4) && !(_curFrame.strips[i].rect.height() % 4)); - - uint32 pos = stream->pos(); - - while ((uint32)stream->pos() < (pos + _curFrame.strips[i].length) && !stream->eos()) { - byte chunkID = stream->readByte(); - - if (stream->eos()) - break; - - // Chunk Size is 24-bit, ignore the first 4 bytes - uint32 chunkSize = stream->readByte() << 16; - chunkSize += stream->readUint16BE() - 4; - - int32 startPos = stream->pos(); - - switch (chunkID) { - case 0x20: - case 0x21: - case 0x24: - case 0x25: - loadCodebook(stream, i, 4, chunkID, chunkSize); - break; - case 0x22: - case 0x23: - case 0x26: - case 0x27: - loadCodebook(stream, i, 1, chunkID, chunkSize); - break; - case 0x30: - case 0x31: - case 0x32: - decodeVectors(stream, i, chunkID, chunkSize); - break; - default: - warning("Unknown Cinepak chunk ID %02x", chunkID); - return _curFrame.surface; - } - - if (stream->pos() != startPos + (int32)chunkSize) - stream->seek(startPos + chunkSize); - } - - _y = _curFrame.strips[i].rect.bottom; - } - - return _curFrame.surface; -} - -void CinepakDecoder::loadCodebook(Common::SeekableReadStream *stream, uint16 strip, byte codebookType, byte chunkID, uint32 chunkSize) { - CinepakCodebook *codebook = (codebookType == 1) ? _curFrame.strips[strip].v1_codebook : _curFrame.strips[strip].v4_codebook; - - int32 startPos = stream->pos(); - uint32 flag = 0, mask = 0; - - for (uint16 i = 0; i < 256; i++) { - if ((chunkID & 0x01) && !(mask >>= 1)) { - if ((stream->pos() - startPos + 4) > (int32)chunkSize) - break; - - flag = stream->readUint32BE(); - mask = 0x80000000; - } - - if (!(chunkID & 0x01) || (flag & mask)) { - byte n = (chunkID & 0x04) ? 4 : 6; - if ((stream->pos() - startPos + n) > (int32)chunkSize) - break; - - for (byte j = 0; j < 4; j++) - codebook[i].y[j] = stream->readByte(); - - if (n == 6) { - codebook[i].u = stream->readByte() + 128; - codebook[i].v = stream->readByte() + 128; - } else { - /* this codebook type indicates either greyscale or - * palettized video; if palettized, U & V components will - * not be used so it is safe to set them to 128 for the - * benefit of greyscale rendering in YUV420P */ - codebook[i].u = 128; - codebook[i].v = 128; - } - } - } -} - -void CinepakDecoder::decodeVectors(Common::SeekableReadStream *stream, uint16 strip, byte chunkID, uint32 chunkSize) { - uint32 flag = 0, mask = 0; - uint32 iy[4]; - int32 startPos = stream->pos(); - byte r = 0, g = 0, b = 0; - - for (uint16 y = _curFrame.strips[strip].rect.top; y < _curFrame.strips[strip].rect.bottom; y += 4) { - iy[0] = _curFrame.strips[strip].rect.left + y * _curFrame.width; - iy[1] = iy[0] + _curFrame.width; - iy[2] = iy[1] + _curFrame.width; - iy[3] = iy[2] + _curFrame.width; - - for (uint16 x = _curFrame.strips[strip].rect.left; x < _curFrame.strips[strip].rect.right; x += 4) { - if ((chunkID & 0x01) && !(mask >>= 1)) { - if ((stream->pos() - startPos + 4) > (int32)chunkSize) - return; - - flag = stream->readUint32BE(); - mask = 0x80000000; - } - - if (!(chunkID & 0x01) || (flag & mask)) { - if (!(chunkID & 0x02) && !(mask >>= 1)) { - if ((stream->pos() - startPos + 4) > (int32)chunkSize) - return; - - flag = stream->readUint32BE(); - mask = 0x80000000; - } - - if ((chunkID & 0x02) || (~flag & mask)) { - if ((stream->pos() - startPos + 1) > (int32)chunkSize) - return; - - // Get the codebook - CinepakCodebook codebook = _curFrame.strips[strip].v1_codebook[stream->readByte()]; - - PUT_PIXEL(iy[0] + 0, codebook.y[0], codebook.u, codebook.v); - PUT_PIXEL(iy[0] + 1, codebook.y[0], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 0, codebook.y[0], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 1, codebook.y[0], codebook.u, codebook.v); - - PUT_PIXEL(iy[0] + 2, codebook.y[1], codebook.u, codebook.v); - PUT_PIXEL(iy[0] + 3, codebook.y[1], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 2, codebook.y[1], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 3, codebook.y[1], codebook.u, codebook.v); - - PUT_PIXEL(iy[2] + 0, codebook.y[2], codebook.u, codebook.v); - PUT_PIXEL(iy[2] + 1, codebook.y[2], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 0, codebook.y[2], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 1, codebook.y[2], codebook.u, codebook.v); - - PUT_PIXEL(iy[2] + 2, codebook.y[3], codebook.u, codebook.v); - PUT_PIXEL(iy[2] + 3, codebook.y[3], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 2, codebook.y[3], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 3, codebook.y[3], codebook.u, codebook.v); - } else if (flag & mask) { - if ((stream->pos() - startPos + 4) > (int32)chunkSize) - return; - - CinepakCodebook codebook = _curFrame.strips[strip].v4_codebook[stream->readByte()]; - PUT_PIXEL(iy[0] + 0, codebook.y[0], codebook.u, codebook.v); - PUT_PIXEL(iy[0] + 1, codebook.y[1], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 0, codebook.y[2], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 1, codebook.y[3], codebook.u, codebook.v); - - codebook = _curFrame.strips[strip].v4_codebook[stream->readByte()]; - PUT_PIXEL(iy[0] + 2, codebook.y[0], codebook.u, codebook.v); - PUT_PIXEL(iy[0] + 3, codebook.y[1], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 2, codebook.y[2], codebook.u, codebook.v); - PUT_PIXEL(iy[1] + 3, codebook.y[3], codebook.u, codebook.v); - - codebook = _curFrame.strips[strip].v4_codebook[stream->readByte()]; - PUT_PIXEL(iy[2] + 0, codebook.y[0], codebook.u, codebook.v); - PUT_PIXEL(iy[2] + 1, codebook.y[1], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 0, codebook.y[2], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 1, codebook.y[3], codebook.u, codebook.v); - - codebook = _curFrame.strips[strip].v4_codebook[stream->readByte()]; - PUT_PIXEL(iy[2] + 2, codebook.y[0], codebook.u, codebook.v); - PUT_PIXEL(iy[2] + 3, codebook.y[1], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 2, codebook.y[2], codebook.u, codebook.v); - PUT_PIXEL(iy[3] + 3, codebook.y[3], codebook.u, codebook.v); - } - } - - for (byte i = 0; i < 4; i++) - iy[i] += 4; - } - } -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/video/cinepak.h b/engines/mohawk/video/cinepak.h deleted file mode 100644 index 3f4cbba17c..0000000000 --- a/engines/mohawk/video/cinepak.h +++ /dev/null @@ -1,81 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef CINEPAK_H -#define CINEPAK_H - -#include "common/scummsys.h" -#include "common/stream.h" -#include "common/rect.h" -#include "graphics/surface.h" -#include "graphics/pixelformat.h" - -#include "graphics/video/codecs/codec.h" - -namespace Mohawk { - -struct CinepakCodebook { - byte y[4]; - byte u, v; -}; - -struct CinepakStrip { - uint16 id; - uint16 length; - Common::Rect rect; - CinepakCodebook v1_codebook[256], v4_codebook[256]; -}; - -struct CinepakFrame { - byte flags; - uint32 length; - uint16 width; - uint16 height; - uint16 stripCount; - CinepakStrip *strips; - - Graphics::Surface *surface; -}; - -class CinepakDecoder : public Graphics::Codec { -public: - CinepakDecoder(); - ~CinepakDecoder(); - - Graphics::Surface *decodeImage(Common::SeekableReadStream *stream); - Graphics::PixelFormat getPixelFormat() const { return _pixelFormat; } - -private: - CinepakFrame _curFrame; - int32 _y; - Graphics::PixelFormat _pixelFormat; - - void loadCodebook(Common::SeekableReadStream *stream, uint16 strip, byte codebookType, byte chunkID, uint32 chunkSize); - void decodeVectors(Common::SeekableReadStream *stream, uint16 strip, byte chunkID, uint32 chunkSize); -}; - -} - -#endif diff --git a/engines/mohawk/video/qdm2.cpp b/engines/mohawk/video/qdm2.cpp deleted file mode 100644 index b91440f00d..0000000000 --- a/engines/mohawk/video/qdm2.cpp +++ /dev/null @@ -1,3063 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -// Based off ffmpeg's QDM2 decoder - -#include "mohawk/video/qdm2.h" -#include "mohawk/video/qdm2data.h" - -#include "common/system.h" - -namespace Mohawk { - -// Fix compilation for non C99-compliant compilers, like MSVC -#ifndef int64_t -typedef signed long long int int64_t; -#endif - -// Integer log2 function. This is much faster than invoking -// double precision C99 log2 math functions or equivalent, since -// this is only used to determine maximum number of bits needed -// i.e. only non-fractional part is needed. Also, the double -// version is incorrect for exact cases due to floating point -// rounding errors. -static inline int scummvm_log2(int n) { - int ret = -1; - while(n != 0) { - n /= 2; - ret++; - } - return ret; -} - -#define QDM2_LIST_ADD(list, size, packet) \ - do { \ - if (size > 0) \ - list[size - 1].next = &list[size]; \ - list[size].packet = packet; \ - list[size].next = NULL; \ - size++; \ - } while(0) - -// Result is 8, 16 or 30 -#define QDM2_SB_USED(subSampling) (((subSampling) >= 2) ? 30 : 8 << (subSampling)) - -#define FIX_NOISE_IDX(noiseIdx) \ - if ((noiseIdx) >= 3840) \ - (noiseIdx) -= 3840 \ - -#define SB_DITHERING_NOISE(sb, noiseIdx) (_noiseTable[(noiseIdx)++] * sb_noise_attenuation[(sb)]) - -static inline void initGetBits(GetBitContext *s, const uint8 *buffer, int bitSize) { - int bufferSize = (bitSize + 7) >> 3; - - debug(1, "void initGetBits(GetBitContext *s, const uint8 *buffer, int bitSize)"); - - if (bufferSize < 0 || bitSize < 0) { - bufferSize = bitSize = 0; - buffer = NULL; - } - - s->buffer = buffer; - s->sizeInBits = bitSize; - s->bufferEnd = buffer + bufferSize; - s->index = 0; -} - -static inline int getBitsCount(GetBitContext *s) { - debug(1, "int getBitsCount(GetBitContext *s)"); - return s->index; -} - -static inline unsigned int getBits1(GetBitContext *s) { - int index; - uint8 result; - - debug(1, "unsigned int getBits1(GetBitContext *s)"); - - index = s->index; - result = s->buffer[index >> 3]; - - debug(1, "index : %d", index); - - result >>= (index & 0x07); - result &= 1; - index++; - s->index = index; - - return result; -} - -static inline unsigned int getBits(GetBitContext *s, int n) { - int tmp, reCache, reIndex; - - debug(1, "unsigned int getBits(GetBitContext *s, int n)"); - - reIndex = s->index; - - debug(1, "reIndex : %d", reIndex); - - reCache = READ_LE_UINT32((const uint8 *)s->buffer + (reIndex >> 3)) >> (reIndex & 0x07); - - tmp = (reCache) & ((uint32)0xffffffff >> (32 - n)); - - s->index = reIndex + n; - - return tmp; -} - -static inline void skipBits(GetBitContext *s, int n) { - int reIndex, reCache; - - debug(1, "void skipBits(GetBitContext *s, int n)"); - - reIndex = s->index; - reCache = 0; - - debug(1, "reIndex : %d", reIndex); - - reCache = READ_LE_UINT32((const uint8 *)s->buffer + (reIndex >> 3)) >> (reIndex & 0x07); - s->index = reIndex + n; -} - -#define BITS_LEFT(length, gb) ((length) - getBitsCount((gb))) - -static int splitRadixPermutation(int i, int n, int inverse) { - if (n <= 2) - return i & 1; - - int m = n >> 1; - - if(!(i & m)) - return splitRadixPermutation(i, m, inverse) * 2; - - m >>= 1; - - if (inverse == !(i & m)) - return splitRadixPermutation(i, m, inverse) * 4 + 1; - - return splitRadixPermutation(i, m, inverse) * 4 - 1; -} - -// sin(2*pi*x/n) for 0<=x<n/4, followed by n/2<=x<3n/4 -float ff_sin_16[8]; -float ff_sin_32[16]; -float ff_sin_64[32]; -float ff_sin_128[64]; -float ff_sin_256[128]; -float ff_sin_512[256]; -float ff_sin_1024[512]; -float ff_sin_2048[1024]; -float ff_sin_4096[2048]; -float ff_sin_8192[4096]; -float ff_sin_16384[8192]; -float ff_sin_32768[16384]; -float ff_sin_65536[32768]; - -float *ff_sin_tabs[] = { - NULL, NULL, NULL, NULL, - ff_sin_16, ff_sin_32, ff_sin_64, ff_sin_128, ff_sin_256, ff_sin_512, ff_sin_1024, - ff_sin_2048, ff_sin_4096, ff_sin_8192, ff_sin_16384, ff_sin_32768, ff_sin_65536, -}; - -// cos(2*pi*x/n) for 0<=x<=n/4, followed by its reverse -float ff_cos_16[8]; -float ff_cos_32[16]; -float ff_cos_64[32]; -float ff_cos_128[64]; -float ff_cos_256[128]; -float ff_cos_512[256]; -float ff_cos_1024[512]; -float ff_cos_2048[1024]; -float ff_cos_4096[2048]; -float ff_cos_8192[4096]; -float ff_cos_16384[8192]; -float ff_cos_32768[16384]; -float ff_cos_65536[32768]; - -float *ff_cos_tabs[] = { - NULL, NULL, NULL, NULL, - ff_cos_16, ff_cos_32, ff_cos_64, ff_cos_128, ff_cos_256, ff_cos_512, ff_cos_1024, - ff_cos_2048, ff_cos_4096, ff_cos_8192, ff_cos_16384, ff_cos_32768, ff_cos_65536, -}; - -void initCosineTables(int index) { - int m = 1 << index; - double freq = 2 * PI / m; - float *tab = ff_cos_tabs[index]; - - for (int i = 0; i <= m / 4; i++) - tab[i] = cos(i * freq); - - for (int i = 1; i < m / 4; i++) - tab[m / 2 - i] = tab[i]; -} - -void fftPermute(FFTContext *s, FFTComplex *z) { - const uint16 *revtab = s->revtab; - int np = 1 << s->nbits; - - if (s->tmpBuf) { - // TODO: handle split-radix permute in a more optimal way, probably in-place - for (int j = 0; j < np; j++) - s->tmpBuf[revtab[j]] = z[j]; - memcpy(z, s->tmpBuf, np * sizeof(FFTComplex)); - return; - } - - // reverse - for (int j = 0; j < np; j++) { - int k = revtab[j]; - if (k < j) { - FFTComplex tmp = z[k]; - z[k] = z[j]; - z[j] = tmp; - } - } -} - -#define DECL_FFT(n,n2,n4) \ -static void fft##n(FFTComplex *z) { \ - fft##n2(z); \ - fft##n4(z + n4 * 2); \ - fft##n4(z + n4 * 3); \ - pass(z, ff_cos_##n, n4 / 2); \ -} - -#ifndef M_SQRT1_2 -#define M_SQRT1_2 7.0710678118654752440E-1 -#endif - -#define sqrthalf (float)M_SQRT1_2 - -#define BF(x,y,a,b) { \ - x = a - b; \ - y = a + b; \ -} - -#define BUTTERFLIES(a0, a1, a2, a3) { \ - BF(t3, t5, t5, t1); \ - BF(a2.re, a0.re, a0.re, t5); \ - BF(a3.im, a1.im, a1.im, t3); \ - BF(t4, t6, t2, t6); \ - BF(a3.re, a1.re, a1.re, t4); \ - BF(a2.im, a0.im, a0.im, t6); \ -} - -// force loading all the inputs before storing any. -// this is slightly slower for small data, but avoids store->load aliasing -// for addresses separated by large powers of 2. -#define BUTTERFLIES_BIG(a0, a1, a2, a3) { \ - float r0 = a0.re, i0 = a0.im, r1 = a1.re, i1 = a1.im; \ - BF(t3, t5, t5, t1); \ - BF(a2.re, a0.re, r0, t5); \ - BF(a3.im, a1.im, i1, t3); \ - BF(t4, t6, t2, t6); \ - BF(a3.re, a1.re, r1, t4); \ - BF(a2.im, a0.im, i0, t6); \ -} - -#define TRANSFORM(a0, a1, a2, a3, wre, wim) { \ - t1 = a2.re * wre + a2.im * wim; \ - t2 = a2.im * wre - a2.re * wim; \ - t5 = a3.re * wre - a3.im * wim; \ - t6 = a3.im * wre + a3.re * wim; \ - BUTTERFLIES(a0, a1, a2, a3) \ -} - -#define TRANSFORM_ZERO(a0, a1, a2, a3) { \ - t1 = a2.re; \ - t2 = a2.im; \ - t5 = a3.re; \ - t6 = a3.im; \ - BUTTERFLIES(a0, a1, a2, a3) \ -} - -// z[0...8n-1], w[1...2n-1] -#define PASS(name) \ -static void name(FFTComplex *z, const float *wre, unsigned int n) { \ - float t1, t2, t3, t4, t5, t6; \ - int o1 = 2 * n; \ - int o2 = 4 * n; \ - int o3 = 6 * n; \ - const float *wim = wre + o1; \ - n--; \ - \ - TRANSFORM_ZERO(z[0], z[o1], z[o2], z[o3]); \ - TRANSFORM(z[1], z[o1 + 1], z[o2 + 1], z[o3 + 1], wre[1], wim[-1]); \ - \ - do { \ - z += 2; \ - wre += 2; \ - wim -= 2; \ - TRANSFORM(z[0], z[o1], z[o2], z[o3], wre[0], wim[0]); \ - TRANSFORM(z[1], z[o1 + 1],z[o2 + 1], z[o3 + 1], wre[1], wim[-1]); \ - } while(--n); \ -} - -PASS(pass) -#undef BUTTERFLIES -#define BUTTERFLIES BUTTERFLIES_BIG -PASS(pass_big) - -static void fft4(FFTComplex *z) { - float t1, t2, t3, t4, t5, t6, t7, t8; - - BF(t3, t1, z[0].re, z[1].re); - BF(t8, t6, z[3].re, z[2].re); - BF(z[2].re, z[0].re, t1, t6); - BF(t4, t2, z[0].im, z[1].im); - BF(t7, t5, z[2].im, z[3].im); - BF(z[3].im, z[1].im, t4, t8); - BF(z[3].re, z[1].re, t3, t7); - BF(z[2].im, z[0].im, t2, t5); -} - -static void fft8(FFTComplex *z) { - float t1, t2, t3, t4, t5, t6, t7, t8; - - fft4(z); - - BF(t1, z[5].re, z[4].re, -z[5].re); - BF(t2, z[5].im, z[4].im, -z[5].im); - BF(t3, z[7].re, z[6].re, -z[7].re); - BF(t4, z[7].im, z[6].im, -z[7].im); - BF(t8, t1, t3, t1); - BF(t7, t2, t2, t4); - BF(z[4].re, z[0].re, z[0].re, t1); - BF(z[4].im, z[0].im, z[0].im, t2); - BF(z[6].re, z[2].re, z[2].re, t7); - BF(z[6].im, z[2].im, z[2].im, t8); - - TRANSFORM(z[1], z[3], z[5], z[7], sqrthalf, sqrthalf); -} - -#undef BF - -DECL_FFT(16,8,4) -DECL_FFT(32,16,8) -DECL_FFT(64,32,16) -DECL_FFT(128,64,32) -DECL_FFT(256,128,64) -DECL_FFT(512,256,128) -#define pass pass_big -DECL_FFT(1024,512,256) -DECL_FFT(2048,1024,512) -DECL_FFT(4096,2048,1024) -DECL_FFT(8192,4096,2048) -DECL_FFT(16384,8192,4096) -DECL_FFT(32768,16384,8192) -DECL_FFT(65536,32768,16384) - -void fftCalc(FFTContext *s, FFTComplex *z) { - static void (* const fftDispatch[])(FFTComplex*) = { - fft4, fft8, fft16, fft32, fft64, fft128, fft256, fft512, fft1024, - fft2048, fft4096, fft8192, fft16384, fft32768, fft65536, - }; - - fftDispatch[s->nbits - 2](z); -} - -// complex multiplication: p = a * b -#define CMUL(pre, pim, are, aim, bre, bim) \ -{\ - float _are = (are); \ - float _aim = (aim); \ - float _bre = (bre); \ - float _bim = (bim); \ - (pre) = _are * _bre - _aim * _bim; \ - (pim) = _are * _bim + _aim * _bre; \ -} - -/** - * Compute the middle half of the inverse MDCT of size N = 2^nbits, - * thus excluding the parts that can be derived by symmetry - * @param output N/2 samples - * @param input N/2 samples - */ -void imdctHalfC(FFTContext *s, float *output, const float *input) { - const uint16 *revtab = s->revtab; - const float *tcos = s->tcos; - const float *tsin = s->tsin; - FFTComplex *z = (FFTComplex *)output; - - int n = 1 << s->mdctBits; - int n2 = n >> 1; - int n4 = n >> 2; - int n8 = n >> 3; - - // pre rotation - const float *in1 = input; - const float *in2 = input + n2 - 1; - for (int k = 0; k < n4; k++) { - int j = revtab[k]; - CMUL(z[j].re, z[j].im, *in2, *in1, tcos[k], tsin[k]); - in1 += 2; - in2 -= 2; - } - - fftCalc(s, z); - - // post rotation + reordering - for (int k = 0; k < n8; k++) { - float r0, i0, r1, i1; - CMUL(r0, i1, z[n8 - k - 1].im, z[n8 - k - 1].re, tsin[n8 - k - 1], tcos[n8 - k - 1]); - CMUL(r1, i0, z[n8 + k].im, z[n8 + k].re, tsin[n8 + k], tcos[n8 + k]); - z[n8 - k - 1].re = r0; - z[n8 - k - 1].im = i0; - z[n8 + k].re = r1; - z[n8 + k].im = i1; - } -} - -/** - * Compute inverse MDCT of size N = 2^nbits - * @param output N samples - * @param input N/2 samples - */ -void imdctCalcC(FFTContext *s, float *output, const float *input) { - int n = 1 << s->mdctBits; - int n2 = n >> 1; - int n4 = n >> 2; - - imdctHalfC(s, output + n4, input); - - for (int k = 0; k < n4; k++) { - output[k] = -output[n2 - k - 1]; - output[n - k - 1] = output[n2 + k]; - } -} - -/** - * Compute MDCT of size N = 2^nbits - * @param input N samples - * @param out N/2 samples - */ -void mdctCalcC(FFTContext *s, float *out, const float *input) { - const uint16 *revtab = s->revtab; - const float *tcos = s->tcos; - const float *tsin = s->tsin; - FFTComplex *x = (FFTComplex *)out; - - int n = 1 << s->mdctBits; - int n2 = n >> 1; - int n4 = n >> 2; - int n8 = n >> 3; - int n3 = 3 * n4; - - // pre rotation - for (int i = 0; i < n8; i++) { - float re = -input[2 * i + 3 * n4] - input[n3 - 1 - 2 * i]; - float im = -input[n4 + 2 * i] + input[n4 - 1 - 2 * i]; - int j = revtab[i]; - CMUL(x[j].re, x[j].im, re, im, -tcos[i], tsin[i]); - - re = input[2 * i] - input[n2 - 1 - 2 * i]; - im = -(input[n2 + 2 * i] + input[n - 1 - 2 * i]); - j = revtab[n8 + i]; - CMUL(x[j].re, x[j].im, re, im, -tcos[n8 + i], tsin[n8 + i]); - } - - fftCalc(s, x); - - // post rotation - for (int i = 0; i < n8; i++) { - float r0, i0, r1, i1; - CMUL(i1, r0, x[n8 - i - 1].re, x[n8 - i - 1].im, -tsin[n8 - i - 1], -tcos[n8 - i - 1]); - CMUL(i0, r1, x[n8 + i].re, x[n8 + i].im, -tsin[n8 + i], -tcos[n8 + i]); - x[n8 - i - 1].re = r0; - x[n8 - i - 1].im = i0; - x[n8 + i].re = r1; - x[n8 + i].im = i1; - } -} - -int fftInit(FFTContext *s, int nbits, int inverse) { - int i, j, m, n; - float alpha, c1, s1, s2; - - if (nbits < 2 || nbits > 16) - goto fail; - - s->nbits = nbits; - n = 1 << nbits; - s->tmpBuf = NULL; - - s->exptab = (FFTComplex *)malloc((n / 2) * sizeof(FFTComplex)); - if (!s->exptab) - goto fail; - - s->revtab = (uint16 *)malloc(n * sizeof(uint16)); - if (!s->revtab) - goto fail; - s->inverse = inverse; - - s2 = inverse ? 1.0 : -1.0; - - s->fftPermute = fftPermute; - s->fftCalc = fftCalc; - s->imdctCalc = imdctCalcC; - s->imdctHalf = imdctHalfC; - s->mdctCalc = mdctCalcC; - s->splitRadix = 1; - - if (s->splitRadix) { - for (j = 4; j <= nbits; j++) - initCosineTables(j); - - for (i = 0; i < n; i++) - s->revtab[-splitRadixPermutation(i, n, s->inverse) & (n - 1)] = i; - - s->tmpBuf = (FFTComplex *)malloc(n * sizeof(FFTComplex)); - } else { - for (i = 0; i < n / 2; i++) { - alpha = 2 * PI * (float)i / (float)n; - c1 = cos(alpha); - s1 = sin(alpha) * s2; - s->exptab[i].re = c1; - s->exptab[i].im = s1; - } - - //int np = 1 << nbits; - //int nblocks = np >> 3; - //int np2 = np >> 1; - - // compute bit reverse table - for (i = 0; i < n; i++) { - m = 0; - - for (j = 0; j < nbits; j++) - m |= ((i >> j) & 1) << (nbits - j - 1); - - s->revtab[i] = m; - } - } - - return 0; - - fail: - free(&s->revtab); - free(&s->exptab); - free(&s->tmpBuf); - return -1; -} - -/** - * Sets up a real FFT. - * @param nbits log2 of the length of the input array - * @param trans the type of transform - */ -int rdftInit(RDFTContext *s, int nbits, RDFTransformType trans) { - int n = 1 << nbits; - const double theta = (trans == RDFT || trans == IRIDFT ? -1 : 1) * 2 * PI / n; - - s->nbits = nbits; - s->inverse = trans == IRDFT || trans == IRIDFT; - s->signConvention = trans == RIDFT || trans == IRIDFT ? 1 : -1; - - if (nbits < 4 || nbits > 16) - return -1; - - if (fftInit(&s->fft, nbits - 1, trans == IRDFT || trans == RIDFT) < 0) - return -1; - - initCosineTables(nbits); - s->tcos = ff_cos_tabs[nbits]; - s->tsin = ff_sin_tabs[nbits] + (trans == RDFT || trans == IRIDFT) * (n >> 2); - - for (int i = 0; i < n >> 2; i++) - s->tsin[i] = sin(i*theta); - - return 0; -} - -/** Map one real FFT into two parallel real even and odd FFTs. Then interleave - * the two real FFTs into one complex FFT. Unmangle the results. - * ref: http://www.engineeringproductivitytools.com/stuff/T0001/PT10.HTM - */ -void rdftCalc(RDFTContext *s, float *data) { - FFTComplex ev, od; - - const int n = 1 << s->nbits; - const float k1 = 0.5; - const float k2 = 0.5 - s->inverse; - const float *tcos = s->tcos; - const float *tsin = s->tsin; - - if (!s->inverse) { - fftPermute(&s->fft, (FFTComplex *)data); - fftCalc(&s->fft, (FFTComplex *)data); - } - - // i=0 is a special case because of packing, the DC term is real, so we - // are going to throw the N/2 term (also real) in with it. - ev.re = data[0]; - data[0] = ev.re + data[1]; - data[1] = ev.re - data[1]; - - int i; - - for (i = 1; i < n >> 2; i++) { - int i1 = i * 2; - int i2 = n - i1; - - // Separate even and odd FFTs - ev.re = k1 * (data[i1] + data[i2]); - od.im = -k2 * (data[i1] - data[i2]); - ev.im = k1 * (data[i1 + 1] - data[i2 + 1]); - od.re = k2 * (data[i1 + 1] + data[i2 + 1]); - - // Apply twiddle factors to the odd FFT and add to the even FFT - data[i1] = ev.re + od.re * tcos[i] - od.im * tsin[i]; - data[i1 + 1] = ev.im + od.im * tcos[i] + od.re * tsin[i]; - data[i2] = ev.re - od.re * tcos[i] + od.im * tsin[i]; - data[i2 + 1] = -ev.im + od.im * tcos[i] + od.re * tsin[i]; - } - - data[i * 2 + 1] = s->signConvention * data[i * 2 + 1]; - if (s->inverse) { - data[0] *= k1; - data[1] *= k1; - fftPermute(&s->fft, (FFTComplex*)data); - fftCalc(&s->fft, (FFTComplex*)data); - } -} - -// half mpeg encoding window (full precision) -const int32 ff_mpa_enwindow[257] = { - 0, -1, -1, -1, -1, -1, -1, -2, - -2, -2, -2, -3, -3, -4, -4, -5, - -5, -6, -7, -7, -8, -9, -10, -11, - -13, -14, -16, -17, -19, -21, -24, -26, - -29, -31, -35, -38, -41, -45, -49, -53, - -58, -63, -68, -73, -79, -85, -91, -97, - -104, -111, -117, -125, -132, -139, -147, -154, - -161, -169, -176, -183, -190, -196, -202, -208, - 213, 218, 222, 225, 227, 228, 228, 227, - 224, 221, 215, 208, 200, 189, 177, 163, - 146, 127, 106, 83, 57, 29, -2, -36, - -72, -111, -153, -197, -244, -294, -347, -401, - -459, -519, -581, -645, -711, -779, -848, -919, - -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498, - -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962, - -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063, - 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, - 1414, 1280, 1131, 970, 794, 605, 402, 185, - -45, -288, -545, -814, -1095, -1388, -1692, -2006, - -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, - -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, - -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, - -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, - -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, - 6574, 5959, 5288, 4561, 3776, 2935, 2037, 1082, - 70, -998, -2122, -3300, -4533, -5818, -7154, -8540, - -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189, --22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640, --37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137, --51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684, --64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420, --72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992, - 75038 -}; - -void ff_mpa_synth_init(int16 *window) { - int i; - int32 v; - - // max = 18760, max sum over all 16 coefs : 44736 - for(i = 0; i < 257; i++) { - v = ff_mpa_enwindow[i]; - v = (v + 2) >> 2; - window[i] = v; - - if ((i & 63) != 0) - v = -v; - - if (i != 0) - window[512 - i] = v; - } -} - -static inline uint16 round_sample(int *sum) { - int sum1; - sum1 = (*sum) >> 14; - *sum &= (1 << 14)-1; - if (sum1 < (-0x7fff - 1)) - sum1 = (-0x7fff - 1); - if (sum1 > 0x7fff) - sum1 = 0x7fff; - return sum1; -} - -static inline int MULH(int a, int b) { - return ((int64_t)(a) * (int64_t)(b))>>32; -} - -// signed 16x16 -> 32 multiply add accumulate -#define MACS(rt, ra, rb) rt += (ra) * (rb) - -#define MLSS(rt, ra, rb) ((rt) -= (ra) * (rb)) - -#define SUM8(op, sum, w, p)\ -{\ - op(sum, (w)[0 * 64], (p)[0 * 64]);\ - op(sum, (w)[1 * 64], (p)[1 * 64]);\ - op(sum, (w)[2 * 64], (p)[2 * 64]);\ - op(sum, (w)[3 * 64], (p)[3 * 64]);\ - op(sum, (w)[4 * 64], (p)[4 * 64]);\ - op(sum, (w)[5 * 64], (p)[5 * 64]);\ - op(sum, (w)[6 * 64], (p)[6 * 64]);\ - op(sum, (w)[7 * 64], (p)[7 * 64]);\ -} - -#define SUM8P2(sum1, op1, sum2, op2, w1, w2, p) \ -{\ - tmp_s = p[0 * 64];\ - op1(sum1, (w1)[0 * 64], tmp_s);\ - op2(sum2, (w2)[0 * 64], tmp_s);\ - tmp_s = p[1 * 64];\ - op1(sum1, (w1)[1 * 64], tmp_s);\ - op2(sum2, (w2)[1 * 64], tmp_s);\ - tmp_s = p[2 * 64];\ - op1(sum1, (w1)[2 * 64], tmp_s);\ - op2(sum2, (w2)[2 * 64], tmp_s);\ - tmp_s = p[3 * 64];\ - op1(sum1, (w1)[3 * 64], tmp_s);\ - op2(sum2, (w2)[3 * 64], tmp_s);\ - tmp_s = p[4 * 64];\ - op1(sum1, (w1)[4 * 64], tmp_s);\ - op2(sum2, (w2)[4 * 64], tmp_s);\ - tmp_s = p[5 * 64];\ - op1(sum1, (w1)[5 * 64], tmp_s);\ - op2(sum2, (w2)[5 * 64], tmp_s);\ - tmp_s = p[6 * 64];\ - op1(sum1, (w1)[6 * 64], tmp_s);\ - op2(sum2, (w2)[6 * 64], tmp_s);\ - tmp_s = p[7 * 64];\ - op1(sum1, (w1)[7 * 64], tmp_s);\ - op2(sum2, (w2)[7 * 64], tmp_s);\ -} - -#define FIXHR(a) ((int)((a) * (1LL<<32) + 0.5)) - -// tab[i][j] = 1.0 / (2.0 * cos(pi*(2*k+1) / 2^(6 - j))) - -// cos(i*pi/64) - -#define COS0_0 FIXHR(0.50060299823519630134/2) -#define COS0_1 FIXHR(0.50547095989754365998/2) -#define COS0_2 FIXHR(0.51544730992262454697/2) -#define COS0_3 FIXHR(0.53104259108978417447/2) -#define COS0_4 FIXHR(0.55310389603444452782/2) -#define COS0_5 FIXHR(0.58293496820613387367/2) -#define COS0_6 FIXHR(0.62250412303566481615/2) -#define COS0_7 FIXHR(0.67480834145500574602/2) -#define COS0_8 FIXHR(0.74453627100229844977/2) -#define COS0_9 FIXHR(0.83934964541552703873/2) -#define COS0_10 FIXHR(0.97256823786196069369/2) -#define COS0_11 FIXHR(1.16943993343288495515/4) -#define COS0_12 FIXHR(1.48416461631416627724/4) -#define COS0_13 FIXHR(2.05778100995341155085/8) -#define COS0_14 FIXHR(3.40760841846871878570/8) -#define COS0_15 FIXHR(10.19000812354805681150/32) - -#define COS1_0 FIXHR(0.50241928618815570551/2) -#define COS1_1 FIXHR(0.52249861493968888062/2) -#define COS1_2 FIXHR(0.56694403481635770368/2) -#define COS1_3 FIXHR(0.64682178335999012954/2) -#define COS1_4 FIXHR(0.78815462345125022473/2) -#define COS1_5 FIXHR(1.06067768599034747134/4) -#define COS1_6 FIXHR(1.72244709823833392782/4) -#define COS1_7 FIXHR(5.10114861868916385802/16) - -#define COS2_0 FIXHR(0.50979557910415916894/2) -#define COS2_1 FIXHR(0.60134488693504528054/2) -#define COS2_2 FIXHR(0.89997622313641570463/2) -#define COS2_3 FIXHR(2.56291544774150617881/8) - -#define COS3_0 FIXHR(0.54119610014619698439/2) -#define COS3_1 FIXHR(1.30656296487637652785/4) - -#define COS4_0 FIXHR(0.70710678118654752439/2) - -/* butterfly operator */ -#define BF(a, b, c, s)\ -{\ - tmp0 = tab[a] + tab[b];\ - tmp1 = tab[a] - tab[b];\ - tab[a] = tmp0;\ - tab[b] = MULH(tmp1<<(s), c);\ -} - -#define BF1(a, b, c, d)\ -{\ - BF(a, b, COS4_0, 1);\ - BF(c, d,-COS4_0, 1);\ - tab[c] += tab[d];\ -} - -#define BF2(a, b, c, d)\ -{\ - BF(a, b, COS4_0, 1);\ - BF(c, d,-COS4_0, 1);\ - tab[c] += tab[d];\ - tab[a] += tab[c];\ - tab[c] += tab[b];\ - tab[b] += tab[d];\ -} - -#define ADD(a, b) tab[a] += tab[b] - -// DCT32 without 1/sqrt(2) coef zero scaling. -static void dct32(int32 *out, int32 *tab) { - int tmp0, tmp1; - - // pass 1 - BF( 0, 31, COS0_0 , 1); - BF(15, 16, COS0_15, 5); - // pass 2 - BF( 0, 15, COS1_0 , 1); - BF(16, 31,-COS1_0 , 1); - // pass 1 - BF( 7, 24, COS0_7 , 1); - BF( 8, 23, COS0_8 , 1); - // pass 2 - BF( 7, 8, COS1_7 , 4); - BF(23, 24,-COS1_7 , 4); - // pass 3 - BF( 0, 7, COS2_0 , 1); - BF( 8, 15,-COS2_0 , 1); - BF(16, 23, COS2_0 , 1); - BF(24, 31,-COS2_0 , 1); - // pass 1 - BF( 3, 28, COS0_3 , 1); - BF(12, 19, COS0_12, 2); - // pass 2 - BF( 3, 12, COS1_3 , 1); - BF(19, 28,-COS1_3 , 1); - // pass 1 - BF( 4, 27, COS0_4 , 1); - BF(11, 20, COS0_11, 2); - // pass 2 - BF( 4, 11, COS1_4 , 1); - BF(20, 27,-COS1_4 , 1); - // pass 3 - BF( 3, 4, COS2_3 , 3); - BF(11, 12,-COS2_3 , 3); - BF(19, 20, COS2_3 , 3); - BF(27, 28,-COS2_3 , 3); - // pass 4 - BF( 0, 3, COS3_0 , 1); - BF( 4, 7,-COS3_0 , 1); - BF( 8, 11, COS3_0 , 1); - BF(12, 15,-COS3_0 , 1); - BF(16, 19, COS3_0 , 1); - BF(20, 23,-COS3_0 , 1); - BF(24, 27, COS3_0 , 1); - BF(28, 31,-COS3_0 , 1); - - // pass 1 - BF( 1, 30, COS0_1 , 1); - BF(14, 17, COS0_14, 3); - // pass 2 - BF( 1, 14, COS1_1 , 1); - BF(17, 30,-COS1_1 , 1); - // pass 1 - BF( 6, 25, COS0_6 , 1); - BF( 9, 22, COS0_9 , 1); - // pass 2 - BF( 6, 9, COS1_6 , 2); - BF(22, 25,-COS1_6 , 2); - // pass 3 - BF( 1, 6, COS2_1 , 1); - BF( 9, 14,-COS2_1 , 1); - BF(17, 22, COS2_1 , 1); - BF(25, 30,-COS2_1 , 1); - - // pass 1 - BF( 2, 29, COS0_2 , 1); - BF(13, 18, COS0_13, 3); - // pass 2 - BF( 2, 13, COS1_2 , 1); - BF(18, 29,-COS1_2 , 1); - // pass 1 - BF( 5, 26, COS0_5 , 1); - BF(10, 21, COS0_10, 1); - // pass 2 - BF( 5, 10, COS1_5 , 2); - BF(21, 26,-COS1_5 , 2); - // pass 3 - BF( 2, 5, COS2_2 , 1); - BF(10, 13,-COS2_2 , 1); - BF(18, 21, COS2_2 , 1); - BF(26, 29,-COS2_2 , 1); - // pass 4 - BF( 1, 2, COS3_1 , 2); - BF( 5, 6,-COS3_1 , 2); - BF( 9, 10, COS3_1 , 2); - BF(13, 14,-COS3_1 , 2); - BF(17, 18, COS3_1 , 2); - BF(21, 22,-COS3_1 , 2); - BF(25, 26, COS3_1 , 2); - BF(29, 30,-COS3_1 , 2); - - // pass 5 - BF1( 0, 1, 2, 3); - BF2( 4, 5, 6, 7); - BF1( 8, 9, 10, 11); - BF2(12, 13, 14, 15); - BF1(16, 17, 18, 19); - BF2(20, 21, 22, 23); - BF1(24, 25, 26, 27); - BF2(28, 29, 30, 31); - - // pass 6 - ADD( 8, 12); - ADD(12, 10); - ADD(10, 14); - ADD(14, 9); - ADD( 9, 13); - ADD(13, 11); - ADD(11, 15); - - out[ 0] = tab[0]; - out[16] = tab[1]; - out[ 8] = tab[2]; - out[24] = tab[3]; - out[ 4] = tab[4]; - out[20] = tab[5]; - out[12] = tab[6]; - out[28] = tab[7]; - out[ 2] = tab[8]; - out[18] = tab[9]; - out[10] = tab[10]; - out[26] = tab[11]; - out[ 6] = tab[12]; - out[22] = tab[13]; - out[14] = tab[14]; - out[30] = tab[15]; - - ADD(24, 28); - ADD(28, 26); - ADD(26, 30); - ADD(30, 25); - ADD(25, 29); - ADD(29, 27); - ADD(27, 31); - - out[ 1] = tab[16] + tab[24]; - out[17] = tab[17] + tab[25]; - out[ 9] = tab[18] + tab[26]; - out[25] = tab[19] + tab[27]; - out[ 5] = tab[20] + tab[28]; - out[21] = tab[21] + tab[29]; - out[13] = tab[22] + tab[30]; - out[29] = tab[23] + tab[31]; - out[ 3] = tab[24] + tab[20]; - out[19] = tab[25] + tab[21]; - out[11] = tab[26] + tab[22]; - out[27] = tab[27] + tab[23]; - out[ 7] = tab[28] + tab[18]; - out[23] = tab[29] + tab[19]; - out[15] = tab[30] + tab[17]; - out[31] = tab[31]; -} - -// 32 sub band synthesis filter. Input: 32 sub band samples, Output: -// 32 samples. -// XXX: optimize by avoiding ring buffer usage -void ff_mpa_synth_filter(int16 *synth_buf_ptr, int *synth_buf_offset, - int16 *window, int *dither_state, - int16 *samples, int incr, - int32 sb_samples[32]) -{ - int16 *synth_buf; - const int16 *w, *w2, *p; - int j, offset; - int16 *samples2; - int32 tmp[32]; - int sum, sum2; - int tmp_s; - - offset = *synth_buf_offset; - synth_buf = synth_buf_ptr + offset; - - dct32(tmp, sb_samples); - for(j = 0; j < 32; j++) { - // NOTE: can cause a loss in precision if very high amplitude sound - if (tmp[j] < (-0x7fff - 1)) - synth_buf[j] = (-0x7fff - 1); - else if (tmp[j] > 0x7fff) - synth_buf[j] = 0x7fff; - else - synth_buf[j] = tmp[j]; - } - - // copy to avoid wrap - memcpy(synth_buf + 512, synth_buf, 32 * sizeof(int16)); - - samples2 = samples + 31 * incr; - w = window; - w2 = window + 31; - - sum = *dither_state; - p = synth_buf + 16; - SUM8(MACS, sum, w, p); - p = synth_buf + 48; - SUM8(MLSS, sum, w + 32, p); - *samples = round_sample(&sum); - samples += incr; - w++; - - // we calculate two samples at the same time to avoid one memory - // access per two sample - for(j = 1; j < 16; j++) { - sum2 = 0; - p = synth_buf + 16 + j; - SUM8P2(sum, MACS, sum2, MLSS, w, w2, p); - p = synth_buf + 48 - j; - SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p); - - *samples = round_sample(&sum); - samples += incr; - sum += sum2; - *samples2 = round_sample(&sum); - samples2 -= incr; - w++; - w2--; - } - - p = synth_buf + 32; - SUM8(MLSS, sum, w + 32, p); - *samples = round_sample(&sum); - *dither_state= sum; - - offset = (offset - 32) & 511; - *synth_buf_offset = offset; -} - -/** - * parses a vlc code, faster then get_vlc() - * @param bits is the number of bits which will be read at once, must be - * identical to nb_bits in init_vlc() - * @param max_depth is the number of times bits bits must be read to completely - * read the longest vlc code - * = (max_vlc_length + bits - 1) / bits - */ -static int getVlc2(GetBitContext *s, int16 (*table)[2], int bits, int maxDepth) { - int reIndex; - int reCache; - int index; - int code; - int n; - - debug(1, "int getVlc2(GetBitContext *s, int16 (*table)[2], int bits, int maxDepth)"); - - reIndex = s->index; - reCache = READ_LE_UINT32(s->buffer + (reIndex >> 3)) >> (reIndex & 0x07); - index = reCache & (0xffffffff >> (32 - bits)); - code = table[index][0]; - n = table[index][1]; - - debug(1, "reIndex : %d", reIndex); - debug(1, "reCache : %d", reCache); - debug(1, "index : %d", index); - debug(1, "code : %d", code); - debug(1, "n : %d", n); - - if (maxDepth > 1 && n < 0){ - reIndex += bits; - reCache = READ_LE_UINT32(s->buffer + (reIndex >> 3)) >> (reIndex & 0x07); - - int nbBits = -n; - - index = (reCache & (0xffffffff >> (32 - nbBits))) + code; - code = table[index][0]; - n = table[index][1]; - - if(maxDepth > 2 && n < 0) { - reIndex += nbBits; - reCache = READ_LE_UINT32(s->buffer + (reIndex >> 3)) >> (reIndex & 0x07); - - nbBits = -n; - - index = (reCache & (0xffffffff >> (32 - nbBits))) + code; - code = table[index][0]; - n = table[index][1]; - } - } - - reCache >>= n; - s->index = reIndex + n; - return code; -} - -static int allocTable(VLC *vlc, int size, int use_static) { - int index; - index = vlc->table_size; - vlc->table_size += size; - if (vlc->table_size > vlc->table_allocated) { - if(use_static) - error("QDM2 cant do anything, init_vlc() is used with too little memory"); - vlc->table_allocated += (1 << vlc->bits); - vlc->table = (int16 (*)[2])realloc(vlc->table, sizeof(int16 *) * 2 * vlc->table_allocated); - if (!vlc->table) - return -1; - } - return index; -} - -#define GET_DATA(v, table, i, wrap, size)\ -{\ - const uint8 *ptr = (const uint8 *)table + i * wrap;\ - switch(size) {\ - case 1:\ - v = *(const uint8 *)ptr;\ - break;\ - case 2:\ - v = *(const uint16 *)ptr;\ - break;\ - default:\ - v = *(const uint32 *)ptr;\ - break;\ - }\ -} - -static int build_table(VLC *vlc, int table_nb_bits, - int nb_codes, - const void *bits, int bits_wrap, int bits_size, - const void *codes, int codes_wrap, int codes_size, - const void *symbols, int symbols_wrap, int symbols_size, - int code_prefix, int n_prefix, int flags) -{ - int i, j, k, n, table_size, table_index, nb, n1, index, code_prefix2, symbol; - uint32 code; - int16 (*table)[2]; - - table_size = 1 << table_nb_bits; - table_index = allocTable(vlc, table_size, flags & 4); - debug(2, "QDM2 new table index=%d size=%d code_prefix=%x n=%d", table_index, table_size, code_prefix, n_prefix); - if (table_index < 0) - return -1; - table = &vlc->table[table_index]; - - for(i = 0; i < table_size; i++) { - table[i][1] = 0; //bits - table[i][0] = -1; //codes - } - - // first pass: map codes and compute auxillary table sizes - for(i = 0; i < nb_codes; i++) { - GET_DATA(n, bits, i, bits_wrap, bits_size); - GET_DATA(code, codes, i, codes_wrap, codes_size); - // we accept tables with holes - if (n <= 0) - continue; - if (!symbols) - symbol = i; - else - GET_DATA(symbol, symbols, i, symbols_wrap, symbols_size); - debug(2, "QDM2 i=%d n=%d code=0x%x", i, n, code); - // if code matches the prefix, it is in the table - n -= n_prefix; - if(flags & 2) - code_prefix2= code & (n_prefix>=32 ? 0xffffffff : (1 << n_prefix)-1); - else - code_prefix2= code >> n; - if (n > 0 && code_prefix2 == code_prefix) { - if (n <= table_nb_bits) { - // no need to add another table - j = (code << (table_nb_bits - n)) & (table_size - 1); - nb = 1 << (table_nb_bits - n); - for(k = 0; k < nb; k++) { - if(flags & 2) - j = (code >> n_prefix) + (k<<n); - debug(2, "QDM2 %4x: code=%d n=%d",j, i, n); - if (table[j][1] /*bits*/ != 0) { - error("QDM2 incorrect codes"); - return -1; - } - table[j][1] = n; //bits - table[j][0] = symbol; - j++; - } - } else { - n -= table_nb_bits; - j = (code >> ((flags & 2) ? n_prefix : n)) & ((1 << table_nb_bits) - 1); - debug(2, "QDM2 %4x: n=%d (subtable)", j, n); - // compute table size - n1 = -table[j][1]; //bits - if (n > n1) - n1 = n; - table[j][1] = -n1; //bits - } - } - } - - // second pass : fill auxillary tables recursively - for(i = 0;i < table_size; i++) { - n = table[i][1]; //bits - if (n < 0) { - n = -n; - if (n > table_nb_bits) { - n = table_nb_bits; - table[i][1] = -n; //bits - } - index = build_table(vlc, n, nb_codes, - bits, bits_wrap, bits_size, - codes, codes_wrap, codes_size, - symbols, symbols_wrap, symbols_size, - (flags & 2) ? (code_prefix | (i << n_prefix)) : ((code_prefix << table_nb_bits) | i), - n_prefix + table_nb_bits, flags); - if (index < 0) - return -1; - // note: realloc has been done, so reload tables - table = &vlc->table[table_index]; - table[i][0] = index; //code - } - } - return table_index; -} - -/* Build VLC decoding tables suitable for use with get_vlc(). - - 'nb_bits' set thee decoding table size (2^nb_bits) entries. The - bigger it is, the faster is the decoding. But it should not be too - big to save memory and L1 cache. '9' is a good compromise. - - 'nb_codes' : number of vlcs codes - - 'bits' : table which gives the size (in bits) of each vlc code. - - 'codes' : table which gives the bit pattern of of each vlc code. - - 'symbols' : table which gives the values to be returned from get_vlc(). - - 'xxx_wrap' : give the number of bytes between each entry of the - 'bits' or 'codes' tables. - - 'xxx_size' : gives the number of bytes of each entry of the 'bits' - or 'codes' tables. - - 'wrap' and 'size' allows to use any memory configuration and types - (byte/word/long) to store the 'bits', 'codes', and 'symbols' tables. - - 'use_static' should be set to 1 for tables, which should be freed - with av_free_static(), 0 if free_vlc() will be used. -*/ -void initVlcSparse(VLC *vlc, int nb_bits, int nb_codes, - const void *bits, int bits_wrap, int bits_size, - const void *codes, int codes_wrap, int codes_size, - const void *symbols, int symbols_wrap, int symbols_size) { - vlc->bits = nb_bits; - - if(vlc->table_size && vlc->table_size == vlc->table_allocated) { - return; - } else if(vlc->table_size) { - error("called on a partially initialized table"); - } - - debug(2, "QDM2 build table nb_codes=%d", nb_codes); - - if (build_table(vlc, nb_bits, nb_codes, - bits, bits_wrap, bits_size, - codes, codes_wrap, codes_size, - symbols, symbols_wrap, symbols_size, - 0, 0, 4 | 2) < 0) { - free(&vlc->table); - return; // Error - } - - if(vlc->table_size != vlc->table_allocated) - error("QDM2 needed %d had %d", vlc->table_size, vlc->table_allocated); -} - -void QDM2Stream::softclipTableInit(void) { - uint16 i; - double dfl = SOFTCLIP_THRESHOLD - 32767; - float delta = 1.0 / -dfl; - - for (i = 0; i < ARRAYSIZE(_softclipTable); i++) - _softclipTable[i] = SOFTCLIP_THRESHOLD - ((int)(sin((float)i * delta) * dfl) & 0x0000FFFF); -} - -// random generated table -void QDM2Stream::rndTableInit(void) { - uint16 i; - uint16 j; - uint32 ldw, hdw; - // TODO: Replace Code with uint64 less version... - int64_t tmp64_1; - int64_t random_seed = 0; - float delta = 1.0 / 16384.0; - - for(i = 0; i < ARRAYSIZE(_noiseTable); i++) { - random_seed = random_seed * 214013 + 2531011; - _noiseTable[i] = (delta * (float)(((int32)random_seed >> 16) & 0x00007FFF)- 1.0) * 1.3; - } - - for (i = 0; i < 256; i++) { - random_seed = 81; - ldw = i; - for (j = 0; j < 5; j++) { - _randomDequantIndex[i][j] = (uint8)((ldw / random_seed) & 0xFF); - ldw = (uint32)ldw % (uint32)random_seed; - tmp64_1 = (random_seed * 0x55555556); - hdw = (uint32)(tmp64_1 >> 32); - random_seed = (int64_t)(hdw + (ldw >> 31)); - } - } - - for (i = 0; i < 128; i++) { - random_seed = 25; - ldw = i; - for (j = 0; j < 3; j++) { - _randomDequantType24[i][j] = (uint8)((ldw / random_seed) & 0xFF); - ldw = (uint32)ldw % (uint32)random_seed; - tmp64_1 = (random_seed * 0x66666667); - hdw = (uint32)(tmp64_1 >> 33); - random_seed = hdw + (ldw >> 31); - } - } -} - -void QDM2Stream::initNoiseSamples(void) { - uint16 i; - uint32 random_seed = 0; - float delta = 1.0 / 16384.0; - - for (i = 0; i < ARRAYSIZE(_noiseSamples); i++) { - random_seed = random_seed * 214013 + 2531011; - _noiseSamples[i] = (delta * (float)((random_seed >> 16) & 0x00007fff) - 1.0); - } -} - -static const uint16 qdm2_vlc_offs[18] = { - 0, 260, 566, 598, 894, 1166, 1230, 1294, 1678, 1950, 2214, 2278, 2310, 2570, 2834, 3124, 3448, 3838 -}; - -void QDM2Stream::initVlc(void) { - static int16 qdm2_table[3838][2]; - - if (!_vlcsInitialized) { - _vlcTabLevel.table = &qdm2_table[qdm2_vlc_offs[0]]; - _vlcTabLevel.table_allocated = qdm2_vlc_offs[1] - qdm2_vlc_offs[0]; - _vlcTabLevel.table_size = 0; - initVlcSparse(&_vlcTabLevel, 8, 24, - vlc_tab_level_huffbits, 1, 1, - vlc_tab_level_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabDiff.table = &qdm2_table[qdm2_vlc_offs[1]]; - _vlcTabDiff.table_allocated = qdm2_vlc_offs[2] - qdm2_vlc_offs[1]; - _vlcTabDiff.table_size = 0; - initVlcSparse(&_vlcTabDiff, 8, 37, - vlc_tab_diff_huffbits, 1, 1, - vlc_tab_diff_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabRun.table = &qdm2_table[qdm2_vlc_offs[2]]; - _vlcTabRun.table_allocated = qdm2_vlc_offs[3] - qdm2_vlc_offs[2]; - _vlcTabRun.table_size = 0; - initVlcSparse(&_vlcTabRun, 5, 6, - vlc_tab_run_huffbits, 1, 1, - vlc_tab_run_huffcodes, 1, 1, NULL, 0, 0); - - _fftLevelExpAltVlc.table = &qdm2_table[qdm2_vlc_offs[3]]; - _fftLevelExpAltVlc.table_allocated = qdm2_vlc_offs[4] - qdm2_vlc_offs[3]; - _fftLevelExpAltVlc.table_size = 0; - initVlcSparse(&_fftLevelExpAltVlc, 8, 28, - fft_level_exp_alt_huffbits, 1, 1, - fft_level_exp_alt_huffcodes, 2, 2, NULL, 0, 0); - - _fftLevelExpVlc.table = &qdm2_table[qdm2_vlc_offs[4]]; - _fftLevelExpVlc.table_allocated = qdm2_vlc_offs[5] - qdm2_vlc_offs[4]; - _fftLevelExpVlc.table_size = 0; - initVlcSparse(&_fftLevelExpVlc, 8, 20, - fft_level_exp_huffbits, 1, 1, - fft_level_exp_huffcodes, 2, 2, NULL, 0, 0); - - _fftStereoExpVlc.table = &qdm2_table[qdm2_vlc_offs[5]]; - _fftStereoExpVlc.table_allocated = qdm2_vlc_offs[6] - qdm2_vlc_offs[5]; - _fftStereoExpVlc.table_size = 0; - initVlcSparse(&_fftStereoExpVlc, 6, 7, - fft_stereo_exp_huffbits, 1, 1, - fft_stereo_exp_huffcodes, 1, 1, NULL, 0, 0); - - _fftStereoPhaseVlc.table = &qdm2_table[qdm2_vlc_offs[6]]; - _fftStereoPhaseVlc.table_allocated = qdm2_vlc_offs[7] - qdm2_vlc_offs[6]; - _fftStereoPhaseVlc.table_size = 0; - initVlcSparse(&_fftStereoPhaseVlc, 6, 9, - fft_stereo_phase_huffbits, 1, 1, - fft_stereo_phase_huffcodes, 1, 1, NULL, 0, 0); - - _vlcTabToneLevelIdxHi1.table = &qdm2_table[qdm2_vlc_offs[7]]; - _vlcTabToneLevelIdxHi1.table_allocated = qdm2_vlc_offs[8] - qdm2_vlc_offs[7]; - _vlcTabToneLevelIdxHi1.table_size = 0; - initVlcSparse(&_vlcTabToneLevelIdxHi1, 8, 20, - vlc_tab_tone_level_idx_hi1_huffbits, 1, 1, - vlc_tab_tone_level_idx_hi1_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabToneLevelIdxMid.table = &qdm2_table[qdm2_vlc_offs[8]]; - _vlcTabToneLevelIdxMid.table_allocated = qdm2_vlc_offs[9] - qdm2_vlc_offs[8]; - _vlcTabToneLevelIdxMid.table_size = 0; - initVlcSparse(&_vlcTabToneLevelIdxMid, 8, 24, - vlc_tab_tone_level_idx_mid_huffbits, 1, 1, - vlc_tab_tone_level_idx_mid_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabToneLevelIdxHi2.table = &qdm2_table[qdm2_vlc_offs[9]]; - _vlcTabToneLevelIdxHi2.table_allocated = qdm2_vlc_offs[10] - qdm2_vlc_offs[9]; - _vlcTabToneLevelIdxHi2.table_size = 0; - initVlcSparse(&_vlcTabToneLevelIdxHi2, 8, 24, - vlc_tab_tone_level_idx_hi2_huffbits, 1, 1, - vlc_tab_tone_level_idx_hi2_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabType30.table = &qdm2_table[qdm2_vlc_offs[10]]; - _vlcTabType30.table_allocated = qdm2_vlc_offs[11] - qdm2_vlc_offs[10]; - _vlcTabType30.table_size = 0; - initVlcSparse(&_vlcTabType30, 6, 9, - vlc_tab_type30_huffbits, 1, 1, - vlc_tab_type30_huffcodes, 1, 1, NULL, 0, 0); - - _vlcTabType34.table = &qdm2_table[qdm2_vlc_offs[11]]; - _vlcTabType34.table_allocated = qdm2_vlc_offs[12] - qdm2_vlc_offs[11]; - _vlcTabType34.table_size = 0; - initVlcSparse(&_vlcTabType34, 5, 10, - vlc_tab_type34_huffbits, 1, 1, - vlc_tab_type34_huffcodes, 1, 1, NULL, 0, 0); - - _vlcTabFftToneOffset[0].table = &qdm2_table[qdm2_vlc_offs[12]]; - _vlcTabFftToneOffset[0].table_allocated = qdm2_vlc_offs[13] - qdm2_vlc_offs[12]; - _vlcTabFftToneOffset[0].table_size = 0; - initVlcSparse(&_vlcTabFftToneOffset[0], 8, 23, - vlc_tab_fft_tone_offset_0_huffbits, 1, 1, - vlc_tab_fft_tone_offset_0_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabFftToneOffset[1].table = &qdm2_table[qdm2_vlc_offs[13]]; - _vlcTabFftToneOffset[1].table_allocated = qdm2_vlc_offs[14] - qdm2_vlc_offs[13]; - _vlcTabFftToneOffset[1].table_size = 0; - initVlcSparse(&_vlcTabFftToneOffset[1], 8, 28, - vlc_tab_fft_tone_offset_1_huffbits, 1, 1, - vlc_tab_fft_tone_offset_1_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabFftToneOffset[2].table = &qdm2_table[qdm2_vlc_offs[14]]; - _vlcTabFftToneOffset[2].table_allocated = qdm2_vlc_offs[15] - qdm2_vlc_offs[14]; - _vlcTabFftToneOffset[2].table_size = 0; - initVlcSparse(&_vlcTabFftToneOffset[2], 8, 32, - vlc_tab_fft_tone_offset_2_huffbits, 1, 1, - vlc_tab_fft_tone_offset_2_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabFftToneOffset[3].table = &qdm2_table[qdm2_vlc_offs[15]]; - _vlcTabFftToneOffset[3].table_allocated = qdm2_vlc_offs[16] - qdm2_vlc_offs[15]; - _vlcTabFftToneOffset[3].table_size = 0; - initVlcSparse(&_vlcTabFftToneOffset[3], 8, 35, - vlc_tab_fft_tone_offset_3_huffbits, 1, 1, - vlc_tab_fft_tone_offset_3_huffcodes, 2, 2, NULL, 0, 0); - - _vlcTabFftToneOffset[4].table = &qdm2_table[qdm2_vlc_offs[16]]; - _vlcTabFftToneOffset[4].table_allocated = qdm2_vlc_offs[17] - qdm2_vlc_offs[16]; - _vlcTabFftToneOffset[4].table_size = 0; - initVlcSparse(&_vlcTabFftToneOffset[4], 8, 38, - vlc_tab_fft_tone_offset_4_huffbits, 1, 1, - vlc_tab_fft_tone_offset_4_huffcodes, 2, 2, NULL, 0, 0); - - _vlcsInitialized = true; - } -} - -QDM2Stream::QDM2Stream(Common::SeekableReadStream *stream, Common::SeekableReadStream *extraData) { - uint32 tmp; - int32 tmp_s; - int tmp_val; - int i; - - debug(1, "QDM2Stream::QDM2Stream() Call"); - - _stream = stream; - _compressedData = NULL; - _subPacket = 0; - memset(_quantizedCoeffs, 0, sizeof(_quantizedCoeffs)); - memset(_fftLevelExp, 0, sizeof(_fftLevelExp)); - _noiseIdx = 0; - memset(_fftCoefsMinIndex, 0, sizeof(_fftCoefsMinIndex)); - memset(_fftCoefsMaxIndex, 0, sizeof(_fftCoefsMaxIndex)); - _fftToneStart = 0; - _fftToneEnd = 0; - for(i = 0; i < ARRAYSIZE(_subPacketListA); i++) { - _subPacketListA[i].packet = NULL; - _subPacketListA[i].next = NULL; - } - _subPacketsB = 0; - for(i = 0; i < ARRAYSIZE(_subPacketListB); i++) { - _subPacketListB[i].packet = NULL; - _subPacketListB[i].next = NULL; - } - for(i = 0; i < ARRAYSIZE(_subPacketListC); i++) { - _subPacketListC[i].packet = NULL; - _subPacketListC[i].next = NULL; - } - for(i = 0; i < ARRAYSIZE(_subPacketListD); i++) { - _subPacketListD[i].packet = NULL; - _subPacketListD[i].next = NULL; - } - memset(_synthBuf, 0, sizeof(_synthBuf)); - memset(_synthBufOffset, 0, sizeof(_synthBufOffset)); - memset(_sbSamples, 0, sizeof(_sbSamples)); - memset(_outputBuffer, 0, sizeof(_outputBuffer)); - _vlcsInitialized = false; - _superblocktype_2_3 = 0; - _hasErrors = false; - - // Rewind extraData stream from any previous calls... - extraData->seek(0, SEEK_SET); - - tmp_s = extraData->readSint32BE(); - debug(1, "QDM2Stream::QDM2Stream() extraSize: %d", tmp_s); - if ((extraData->size() - extraData->pos()) / 4 + 1 != tmp_s) - warning("QDM2Stream::QDM2Stream() extraSize mismatch - Expected %d", (extraData->size() - extraData->pos()) / 4 + 1); - if (tmp_s < 12) - error("QDM2Stream::QDM2Stream() Insufficient extraData"); - - tmp = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() extraTag: %d", tmp); - if (tmp != MKID_BE('frma')) - warning("QDM2Stream::QDM2Stream() extraTag mismatch"); - - tmp = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() extraType: %d", tmp); - if (tmp == MKID_BE('QDMC')) - warning("QDM2Stream::QDM2Stream() QDMC stream type not supported."); - else if (tmp != MKID_BE('QDM2')) - error("QDM2Stream::QDM2Stream() Unsupported stream type"); - - tmp_s = extraData->readSint32BE(); - debug(1, "QDM2Stream::QDM2Stream() extraSize2: %d", tmp_s); - if ((extraData->size() - extraData->pos()) + 4 != tmp_s) - warning("QDM2Stream::QDM2Stream() extraSize2 mismatch - Expected %d", (extraData->size() - extraData->pos()) + 4); - - tmp = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() extraTag2: %d", tmp); - if (tmp != MKID_BE('QDCA')) - warning("QDM2Stream::QDM2Stream() extraTag2 mismatch"); - - if (extraData->readUint32BE() != 1) - warning("QDM2Stream::QDM2Stream() u0 field not 1"); - - _channels = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() channels: %d", _channels); - - _sampleRate = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() sampleRate: %d", _sampleRate); - - _bitRate = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() bitRate: %d", _bitRate); - - _blockSize = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() blockSize: %d", _blockSize); - - _frameSize = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() frameSize: %d", _frameSize); - - _packetSize = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() packetSize: %d", _packetSize); - - if (extraData->size() - extraData->pos() != 0) { - tmp_s = extraData->readSint32BE(); - debug(1, "QDM2Stream::QDM2Stream() extraSize3: %d", tmp_s); - if (extraData->size() + 4 != tmp_s) - warning("QDM2Stream::QDM2Stream() extraSize3 mismatch - Expected %d", extraData->size() + 4); - - tmp = extraData->readUint32BE(); - debug(1, "QDM2Stream::QDM2Stream() extraTag3: %d", tmp); - if (tmp != MKID_BE('QDCP')) - warning("QDM2Stream::QDM2Stream() extraTag3 mismatch"); - - if ((float)extraData->readUint32BE() != 1.0) - warning("QDM2Stream::QDM2Stream() uf0 field not 1.0"); - - if (extraData->readUint32BE() != 0) - warning("QDM2Stream::QDM2Stream() u1 field not 0"); - - if ((float)extraData->readUint32BE() != 1.0) - warning("QDM2Stream::QDM2Stream() uf1 field not 1.0"); - - if ((float)extraData->readUint32BE() != 1.0) - warning("QDM2Stream::QDM2Stream() uf2 field not 1.0"); - - if (extraData->readUint32BE() != 27) - warning("QDM2Stream::QDM2Stream() u2 field not 27"); - - if (extraData->readUint32BE() != 8) - warning("QDM2Stream::QDM2Stream() u3 field not 8"); - - if (extraData->readUint32BE() != 0) - warning("QDM2Stream::QDM2Stream() u4 field not 0"); - } - - _fftOrder = scummvm_log2(_frameSize) + 1; - _fftFrameSize = 2 * _frameSize; // complex has two floats - - // something like max decodable tones - _groupOrder = scummvm_log2(_blockSize) + 1; - _sFrameSize = _blockSize / 16; // 16 iterations per super block - - _subSampling = _fftOrder - 7; - _frequencyRange = 255 / (1 << (2 - _subSampling)); - - switch ((_subSampling * 2 + _channels - 1)) { - case 0: - tmp = 40; - break; - case 1: - tmp = 48; - break; - case 2: - tmp = 56; - break; - case 3: - tmp = 72; - break; - case 4: - tmp = 80; - break; - case 5: - tmp = 100; - break; - default: - tmp = _subSampling; - break; - } - - tmp_val = 0; - if ((tmp * 1000) < _bitRate) tmp_val = 1; - if ((tmp * 1440) < _bitRate) tmp_val = 2; - if ((tmp * 1760) < _bitRate) tmp_val = 3; - if ((tmp * 2240) < _bitRate) tmp_val = 4; - _cmTableSelect = tmp_val; - - if (_subSampling == 0) - tmp = 7999; - else - tmp = ((-(_subSampling -1)) & 8000) + 20000; - - if (tmp < 8000) - _coeffPerSbSelect = 0; - else if (tmp <= 16000) - _coeffPerSbSelect = 1; - else - _coeffPerSbSelect = 2; - - if (_fftOrder < 7 || _fftOrder > 9) - error("QDM2Stream::QDM2Stream() Unsupported fft_order: %d", _fftOrder); - - rdftInit(&_rdftCtx, _fftOrder, IRDFT); - - initVlc(); - ff_mpa_synth_init(ff_mpa_synth_window); - softclipTableInit(); - rndTableInit(); - initNoiseSamples(); - - _compressedData = new uint8[_packetSize]; -} - -QDM2Stream::~QDM2Stream() { - delete[] _compressedData; - delete _stream; -} - -static int qdm2_get_vlc(GetBitContext *gb, VLC *vlc, int flag, int depth) { - int value = getVlc2(gb, vlc->table, vlc->bits, depth); - - // stage-2, 3 bits exponent escape sequence - if (value-- == 0) - value = getBits(gb, getBits (gb, 3) + 1); - - // stage-3, optional - if (flag) { - int tmp = vlc_stage3_values[value]; - - if ((value & ~3) > 0) - tmp += getBits(gb, (value >> 2)); - value = tmp; - } - - return value; -} - -static int qdm2_get_se_vlc(VLC *vlc, GetBitContext *gb, int depth) -{ - int value = qdm2_get_vlc(gb, vlc, 0, depth); - - return (value & 1) ? ((value + 1) >> 1) : -(value >> 1); -} - -/** - * QDM2 checksum - * - * @param data pointer to data to be checksum'ed - * @param length data length - * @param value checksum value - * - * @return 0 if checksum is OK - */ -static uint16 qdm2_packet_checksum(const uint8 *data, int length, int value) { - int i; - - for (i = 0; i < length; i++) - value -= data[i]; - - return (uint16)(value & 0xffff); -} - -/** - * Fills a QDM2SubPacket structure with packet type, size, and data pointer. - * - * @param gb bitreader context - * @param sub_packet packet under analysis - */ -static void qdm2_decode_sub_packet_header(GetBitContext *gb, QDM2SubPacket *sub_packet) -{ - sub_packet->type = getBits (gb, 8); - - if (sub_packet->type == 0) { - sub_packet->size = 0; - sub_packet->data = NULL; - } else { - sub_packet->size = getBits (gb, 8); - - if (sub_packet->type & 0x80) { - sub_packet->size <<= 8; - sub_packet->size |= getBits (gb, 8); - sub_packet->type &= 0x7f; - } - - if (sub_packet->type == 0x7f) - sub_packet->type |= (getBits (gb, 8) << 8); - - sub_packet->data = &gb->buffer[getBitsCount(gb) / 8]; // FIXME: this depends on bitreader internal data - } - - debug(1, "QDM2 Subpacket: type=%d size=%d start_offs=%x", sub_packet->type, sub_packet->size, getBitsCount(gb) / 8); -} - -/** - * Return node pointer to first packet of requested type in list. - * - * @param list list of subpackets to be scanned - * @param type type of searched subpacket - * @return node pointer for subpacket if found, else NULL - */ -static QDM2SubPNode* qdm2_search_subpacket_type_in_list(QDM2SubPNode *list, int type) -{ - while (list != NULL && list->packet != NULL) { - if (list->packet->type == type) - return list; - list = list->next; - } - return NULL; -} - -/** - * Replaces 8 elements with their average value. - * Called by qdm2_decode_superblock before starting subblock decoding. - */ -void QDM2Stream::average_quantized_coeffs(void) { - int i, j, n, ch, sum; - - n = coeff_per_sb_for_avg[_coeffPerSbSelect][QDM2_SB_USED(_subSampling) - 1] + 1; - - for (ch = 0; ch < _channels; ch++) { - for (i = 0; i < n; i++) { - sum = 0; - - for (j = 0; j < 8; j++) - sum += _quantizedCoeffs[ch][i][j]; - - sum /= 8; - if (sum > 0) - sum--; - - for (j = 0; j < 8; j++) - _quantizedCoeffs[ch][i][j] = sum; - } - } -} - -/** - * Build subband samples with noise weighted by q->tone_level. - * Called by synthfilt_build_sb_samples. - * - * @param sb subband index - */ -void QDM2Stream::build_sb_samples_from_noise(int sb) { - int ch, j; - - FIX_NOISE_IDX(_noiseIdx); - - if (!_channels) - return; - - for (ch = 0; ch < _channels; ch++) { - for (j = 0; j < 64; j++) { - _sbSamples[ch][j * 2][sb] = (int32)(SB_DITHERING_NOISE(sb, _noiseIdx) * _toneLevel[ch][sb][j] + .5); - _sbSamples[ch][j * 2 + 1][sb] = (int32)(SB_DITHERING_NOISE(sb, _noiseIdx) * _toneLevel[ch][sb][j] + .5); - } - } -} - -/** - * Called while processing data from subpackets 11 and 12. - * Used after making changes to coding_method array. - * - * @param sb subband index - * @param channels number of channels - * @param coding_method q->coding_method[0][0][0] - */ -void QDM2Stream::fix_coding_method_array(int sb, int channels, sb_int8_array coding_method) -{ - int j, k; - int ch; - int run, case_val; - int switchtable[23] = {0,5,1,5,5,5,5,5,2,5,5,5,5,5,5,5,3,5,5,5,5,5,4}; - - for (ch = 0; ch < channels; ch++) { - for (j = 0; j < 64; ) { - if((coding_method[ch][sb][j] - 8) > 22) { - run = 1; - case_val = 8; - } else { - switch (switchtable[coding_method[ch][sb][j]-8]) { - case 0: run = 10; case_val = 10; break; - case 1: run = 1; case_val = 16; break; - case 2: run = 5; case_val = 24; break; - case 3: run = 3; case_val = 30; break; - case 4: run = 1; case_val = 30; break; - case 5: run = 1; case_val = 8; break; - default: run = 1; case_val = 8; break; - } - } - for (k = 0; k < run; k++) - if (j + k < 128) - if (coding_method[ch][sb + (j + k) / 64][(j + k) % 64] > coding_method[ch][sb][j]) - if (k > 0) { - warning("QDM2 Untested Code: not debugged, almost never used"); - memset(&coding_method[ch][sb][j + k], case_val, k * sizeof(int8)); - memset(&coding_method[ch][sb][j + k], case_val, 3 * sizeof(int8)); - } - j += run; - } - } -} - -/** - * Related to synthesis filter - * Called by process_subpacket_10 - * - * @param flag 1 if called after getting data from subpacket 10, 0 if no subpacket 10 - */ -void QDM2Stream::fill_tone_level_array(int flag) { - int i, sb, ch, sb_used; - int tmp, tab; - - // This should never happen - if (_channels <= 0) - return; - - for (ch = 0; ch < _channels; ch++) { - for (sb = 0; sb < 30; sb++) { - for (i = 0; i < 8; i++) { - if ((tab=coeff_per_sb_for_dequant[_coeffPerSbSelect][sb]) < (last_coeff[_coeffPerSbSelect] - 1)) - tmp = _quantizedCoeffs[ch][tab + 1][i] * dequant_table[_coeffPerSbSelect][tab + 1][sb]+ - _quantizedCoeffs[ch][tab][i] * dequant_table[_coeffPerSbSelect][tab][sb]; - else - tmp = _quantizedCoeffs[ch][tab][i] * dequant_table[_coeffPerSbSelect][tab][sb]; - if(tmp < 0) - tmp += 0xff; - _toneLevelIdxBase[ch][sb][i] = (tmp / 256) & 0xff; - } - } - } - - sb_used = QDM2_SB_USED(_subSampling); - - if ((_superblocktype_2_3 != 0) && !flag) { - for (sb = 0; sb < sb_used; sb++) { - for (ch = 0; ch < _channels; ch++) { - for (i = 0; i < 64; i++) { - _toneLevelIdx[ch][sb][i] = _toneLevelIdxBase[ch][sb][i / 8]; - if (_toneLevelIdx[ch][sb][i] < 0) - _toneLevel[ch][sb][i] = 0; - else - _toneLevel[ch][sb][i] = fft_tone_level_table[0][_toneLevelIdx[ch][sb][i] & 0x3f]; - } - } - } - } else { - tab = _superblocktype_2_3 ? 0 : 1; - for (sb = 0; sb < sb_used; sb++) { - if ((sb >= 4) && (sb <= 23)) { - for (ch = 0; ch < _channels; ch++) { - for (i = 0; i < 64; i++) { - tmp = _toneLevelIdxBase[ch][sb][i / 8] - - _toneLevelIdxHi1[ch][sb / 8][i / 8][i % 8] - - _toneLevelIdxMid[ch][sb - 4][i / 8] - - _toneLevelIdxHi2[ch][sb - 4]; - _toneLevelIdx[ch][sb][i] = tmp & 0xff; - if ((tmp < 0) || (!_superblocktype_2_3 && !tmp)) - _toneLevel[ch][sb][i] = 0; - else - _toneLevel[ch][sb][i] = fft_tone_level_table[tab][tmp & 0x3f]; - } - } - } else { - if (sb > 4) { - for (ch = 0; ch < _channels; ch++) { - for (i = 0; i < 64; i++) { - tmp = _toneLevelIdxBase[ch][sb][i / 8] - - _toneLevelIdxHi1[ch][2][i / 8][i % 8] - - _toneLevelIdxHi2[ch][sb - 4]; - _toneLevelIdx[ch][sb][i] = tmp & 0xff; - if ((tmp < 0) || (!_superblocktype_2_3 && !tmp)) - _toneLevel[ch][sb][i] = 0; - else - _toneLevel[ch][sb][i] = fft_tone_level_table[tab][tmp & 0x3f]; - } - } - } else { - for (ch = 0; ch < _channels; ch++) { - for (i = 0; i < 64; i++) { - tmp = _toneLevelIdx[ch][sb][i] = _toneLevelIdxBase[ch][sb][i / 8]; - if ((tmp < 0) || (!_superblocktype_2_3 && !tmp)) - _toneLevel[ch][sb][i] = 0; - else - _toneLevel[ch][sb][i] = fft_tone_level_table[tab][tmp & 0x3f]; - } - } - } - } - } - } -} - -/** - * Related to synthesis filter - * Called by process_subpacket_11 - * c is built with data from subpacket 11 - * Most of this function is used only if superblock_type_2_3 == 0, never seen it in samples - * - * @param tone_level_idx - * @param tone_level_idx_temp - * @param coding_method q->coding_method[0][0][0] - * @param nb_channels number of channels - * @param c coming from subpacket 11, passed as 8*c - * @param superblocktype_2_3 flag based on superblock packet type - * @param cm_table_select q->cm_table_select - */ -void QDM2Stream::fill_coding_method_array(sb_int8_array tone_level_idx, sb_int8_array tone_level_idx_temp, - sb_int8_array coding_method, int nb_channels, - int c, int superblocktype_2_3, int cm_table_select) { - int ch, sb, j; - int tmp, acc, esp_40, comp; - int add1, add2, add3, add4; - // TODO : Remove multres 64 bit variable necessity... - int64_t multres; - - // This should never happen - if (nb_channels <= 0) - return; - if (!superblocktype_2_3) { - warning("QDM2 This case is untested, no samples available"); - for (ch = 0; ch < nb_channels; ch++) - for (sb = 0; sb < 30; sb++) { - for (j = 1; j < 63; j++) { // The loop only iterates to 63 so the code doesn't overflow the buffer - add1 = tone_level_idx[ch][sb][j] - 10; - if (add1 < 0) - add1 = 0; - add2 = add3 = add4 = 0; - if (sb > 1) { - add2 = tone_level_idx[ch][sb - 2][j] + tone_level_idx_offset_table[sb][0] - 6; - if (add2 < 0) - add2 = 0; - } - if (sb > 0) { - add3 = tone_level_idx[ch][sb - 1][j] + tone_level_idx_offset_table[sb][1] - 6; - if (add3 < 0) - add3 = 0; - } - if (sb < 29) { - add4 = tone_level_idx[ch][sb + 1][j] + tone_level_idx_offset_table[sb][3] - 6; - if (add4 < 0) - add4 = 0; - } - tmp = tone_level_idx[ch][sb][j + 1] * 2 - add4 - add3 - add2 - add1; - if (tmp < 0) - tmp = 0; - tone_level_idx_temp[ch][sb][j + 1] = tmp & 0xff; - } - tone_level_idx_temp[ch][sb][0] = tone_level_idx_temp[ch][sb][1]; - } - acc = 0; - for (ch = 0; ch < nb_channels; ch++) - for (sb = 0; sb < 30; sb++) - for (j = 0; j < 64; j++) - acc += tone_level_idx_temp[ch][sb][j]; - - multres = 0x66666667 * (acc * 10); - esp_40 = (multres >> 32) / 8 + ((multres & 0xffffffff) >> 31); - for (ch = 0; ch < nb_channels; ch++) - for (sb = 0; sb < 30; sb++) - for (j = 0; j < 64; j++) { - comp = tone_level_idx_temp[ch][sb][j]* esp_40 * 10; - if (comp < 0) - comp += 0xff; - comp /= 256; // signed shift - switch(sb) { - case 0: - if (comp < 30) - comp = 30; - comp += 15; - break; - case 1: - if (comp < 24) - comp = 24; - comp += 10; - break; - case 2: - case 3: - case 4: - if (comp < 16) - comp = 16; - } - if (comp <= 5) - tmp = 0; - else if (comp <= 10) - tmp = 10; - else if (comp <= 16) - tmp = 16; - else if (comp <= 24) - tmp = -1; - else - tmp = 0; - coding_method[ch][sb][j] = ((tmp & 0xfffa) + 30 )& 0xff; - } - for (sb = 0; sb < 30; sb++) - fix_coding_method_array(sb, nb_channels, coding_method); - for (ch = 0; ch < nb_channels; ch++) - for (sb = 0; sb < 30; sb++) - for (j = 0; j < 64; j++) - if (sb >= 10) { - if (coding_method[ch][sb][j] < 10) - coding_method[ch][sb][j] = 10; - } else { - if (sb >= 2) { - if (coding_method[ch][sb][j] < 16) - coding_method[ch][sb][j] = 16; - } else { - if (coding_method[ch][sb][j] < 30) - coding_method[ch][sb][j] = 30; - } - } - } else { // superblocktype_2_3 != 0 - for (ch = 0; ch < nb_channels; ch++) - for (sb = 0; sb < 30; sb++) - for (j = 0; j < 64; j++) - coding_method[ch][sb][j] = coding_method_table[cm_table_select][sb]; - } -} - -/** - * - * Called by process_subpacket_11 to process more data from subpacket 11 with sb 0-8 - * Called by process_subpacket_12 to process data from subpacket 12 with sb 8-sb_used - * - * @param gb bitreader context - * @param length packet length in bits - * @param sb_min lower subband processed (sb_min included) - * @param sb_max higher subband processed (sb_max excluded) - */ -void QDM2Stream::synthfilt_build_sb_samples(GetBitContext *gb, int length, int sb_min, int sb_max) { - int sb, j, k, n, ch, run, channels; - int joined_stereo, zero_encoding, chs; - int type34_first; - float type34_div = 0; - float type34_predictor; - float samples[10], sign_bits[16]; - - if (length == 0) { - // If no data use noise - for (sb = sb_min; sb < sb_max; sb++) - build_sb_samples_from_noise(sb); - - return; - } - - for (sb = sb_min; sb < sb_max; sb++) { - FIX_NOISE_IDX(_noiseIdx); - - channels = _channels; - - if (_channels <= 1 || sb < 12) - joined_stereo = 0; - else if (sb >= 24) - joined_stereo = 1; - else - joined_stereo = (BITS_LEFT(length,gb) >= 1) ? getBits1 (gb) : 0; - - if (joined_stereo) { - if (BITS_LEFT(length,gb) >= 16) - for (j = 0; j < 16; j++) - sign_bits[j] = getBits1(gb); - - for (j = 0; j < 64; j++) - if (_codingMethod[1][sb][j] > _codingMethod[0][sb][j]) - _codingMethod[0][sb][j] = _codingMethod[1][sb][j]; - - fix_coding_method_array(sb, _channels, _codingMethod); - channels = 1; - } - - for (ch = 0; ch < channels; ch++) { - zero_encoding = (BITS_LEFT(length,gb) >= 1) ? getBits1(gb) : 0; - type34_predictor = 0.0; - type34_first = 1; - - for (j = 0; j < 128; ) { - switch (_codingMethod[ch][sb][j / 2]) { - case 8: - if (BITS_LEFT(length,gb) >= 10) { - if (zero_encoding) { - for (k = 0; k < 5; k++) { - if ((j + 2 * k) >= 128) - break; - samples[2 * k] = getBits1(gb) ? dequant_1bit[joined_stereo][2 * getBits1(gb)] : 0; - } - } else { - n = getBits(gb, 8); - for (k = 0; k < 5; k++) - samples[2 * k] = dequant_1bit[joined_stereo][_randomDequantIndex[n][k]]; - } - for (k = 0; k < 5; k++) - samples[2 * k + 1] = SB_DITHERING_NOISE(sb, _noiseIdx); - } else { - for (k = 0; k < 10; k++) - samples[k] = SB_DITHERING_NOISE(sb, _noiseIdx); - } - run = 10; - break; - - case 10: - if (BITS_LEFT(length,gb) >= 1) { - double f = 0.81; - - if (getBits1(gb)) - f = -f; - f -= _noiseSamples[((sb + 1) * (j +5 * ch + 1)) & 127] * 9.0 / 40.0; - samples[0] = f; - } else { - samples[0] = SB_DITHERING_NOISE(sb, _noiseIdx); - } - run = 1; - break; - - case 16: - if (BITS_LEFT(length,gb) >= 10) { - if (zero_encoding) { - for (k = 0; k < 5; k++) { - if ((j + k) >= 128) - break; - samples[k] = (getBits1(gb) == 0) ? 0 : dequant_1bit[joined_stereo][2 * getBits1(gb)]; - } - } else { - n = getBits (gb, 8); - for (k = 0; k < 5; k++) - samples[k] = dequant_1bit[joined_stereo][_randomDequantIndex[n][k]]; - } - } else { - for (k = 0; k < 5; k++) - samples[k] = SB_DITHERING_NOISE(sb, _noiseIdx); - } - run = 5; - break; - - case 24: - if (BITS_LEFT(length,gb) >= 7) { - n = getBits(gb, 7); - for (k = 0; k < 3; k++) - samples[k] = (_randomDequantType24[n][k] - 2.0) * 0.5; - } else { - for (k = 0; k < 3; k++) - samples[k] = SB_DITHERING_NOISE(sb, _noiseIdx); - } - run = 3; - break; - - case 30: - if (BITS_LEFT(length,gb) >= 4) - samples[0] = type30_dequant[qdm2_get_vlc(gb, &_vlcTabType30, 0, 1)]; - else - samples[0] = SB_DITHERING_NOISE(sb, _noiseIdx); - - run = 1; - break; - - case 34: - if (BITS_LEFT(length,gb) >= 7) { - if (type34_first) { - type34_div = (float)(1 << getBits(gb, 2)); - samples[0] = ((float)getBits(gb, 5) - 16.0) / 15.0; - type34_predictor = samples[0]; - type34_first = 0; - } else { - samples[0] = type34_delta[qdm2_get_vlc(gb, &_vlcTabType34, 0, 1)] / type34_div + type34_predictor; - type34_predictor = samples[0]; - } - } else { - samples[0] = SB_DITHERING_NOISE(sb, _noiseIdx); - } - run = 1; - break; - - default: - samples[0] = SB_DITHERING_NOISE(sb, _noiseIdx); - run = 1; - break; - } - - if (joined_stereo) { - float tmp[10][MPA_MAX_CHANNELS]; - - for (k = 0; k < run; k++) { - tmp[k][0] = samples[k]; - tmp[k][1] = (sign_bits[(j + k) / 8]) ? -samples[k] : samples[k]; - } - for (chs = 0; chs < _channels; chs++) - for (k = 0; k < run; k++) - if ((j + k) < 128) - _sbSamples[chs][j + k][sb] = (int32)(_toneLevel[chs][sb][((j + k)/2)] * tmp[k][chs] + .5); - } else { - for (k = 0; k < run; k++) - if ((j + k) < 128) - _sbSamples[ch][j + k][sb] = (int32)(_toneLevel[ch][sb][(j + k)/2] * samples[k] + .5); - } - - j += run; - } // j loop - } // channel loop - } // subband loop -} - -/** - * Init the first element of a channel in quantized_coeffs with data from packet 10 (quantized_coeffs[ch][0]). - * This is similar to process_subpacket_9, but for a single channel and for element [0] - * same VLC tables as process_subpacket_9 are used. - * - * @param quantized_coeffs pointer to quantized_coeffs[ch][0] - * @param gb bitreader context - * @param length packet length in bits - */ -void QDM2Stream::init_quantized_coeffs_elem0(int8 *quantized_coeffs, GetBitContext *gb, int length) { - int i, k, run, level, diff; - - if (BITS_LEFT(length,gb) < 16) - return; - level = qdm2_get_vlc(gb, &_vlcTabLevel, 0, 2); - - quantized_coeffs[0] = level; - - for (i = 0; i < 7; ) { - if (BITS_LEFT(length,gb) < 16) - break; - run = qdm2_get_vlc(gb, &_vlcTabRun, 0, 1) + 1; - - if (BITS_LEFT(length,gb) < 16) - break; - diff = qdm2_get_se_vlc(&_vlcTabDiff, gb, 2); - - for (k = 1; k <= run; k++) - quantized_coeffs[i + k] = (level + ((k * diff) / run)); - - level += diff; - i += run; - } -} - -/** - * Related to synthesis filter, process data from packet 10 - * Init part of quantized_coeffs via function init_quantized_coeffs_elem0 - * Init tone_level_idx_hi1, tone_level_idx_hi2, tone_level_idx_mid with data from packet 10 - * - * @param gb bitreader context - * @param length packet length in bits - */ -void QDM2Stream::init_tone_level_dequantization(GetBitContext *gb, int length) { - int sb, j, k, n, ch; - - for (ch = 0; ch < _channels; ch++) { - init_quantized_coeffs_elem0(_quantizedCoeffs[ch][0], gb, length); - - if (BITS_LEFT(length,gb) < 16) { - memset(_quantizedCoeffs[ch][0], 0, 8); - break; - } - } - - n = _subSampling + 1; - - for (sb = 0; sb < n; sb++) - for (ch = 0; ch < _channels; ch++) - for (j = 0; j < 8; j++) { - if (BITS_LEFT(length,gb) < 1) - break; - if (getBits1(gb)) { - for (k=0; k < 8; k++) { - if (BITS_LEFT(length,gb) < 16) - break; - _toneLevelIdxHi1[ch][sb][j][k] = qdm2_get_vlc(gb, &_vlcTabToneLevelIdxHi1, 0, 2); - } - } else { - for (k=0; k < 8; k++) - _toneLevelIdxHi1[ch][sb][j][k] = 0; - } - } - - n = QDM2_SB_USED(_subSampling) - 4; - - for (sb = 0; sb < n; sb++) - for (ch = 0; ch < _channels; ch++) { - if (BITS_LEFT(length,gb) < 16) - break; - _toneLevelIdxHi2[ch][sb] = qdm2_get_vlc(gb, &_vlcTabToneLevelIdxHi2, 0, 2); - if (sb > 19) - _toneLevelIdxHi2[ch][sb] -= 16; - else - for (j = 0; j < 8; j++) - _toneLevelIdxMid[ch][sb][j] = -16; - } - - n = QDM2_SB_USED(_subSampling) - 5; - - for (sb = 0; sb < n; sb++) { - for (ch = 0; ch < _channels; ch++) { - for (j = 0; j < 8; j++) { - if (BITS_LEFT(length,gb) < 16) - break; - _toneLevelIdxMid[ch][sb][j] = qdm2_get_vlc(gb, &_vlcTabToneLevelIdxMid, 0, 2) - 32; - } - } - } -} - -/** - * Process subpacket 9, init quantized_coeffs with data from it - * - * @param node pointer to node with packet - */ -void QDM2Stream::process_subpacket_9(QDM2SubPNode *node) { - GetBitContext gb; - int i, j, k, n, ch, run, level, diff; - - initGetBits(&gb, node->packet->data, node->packet->size*8); - - n = coeff_per_sb_for_avg[_coeffPerSbSelect][QDM2_SB_USED(_subSampling) - 1] + 1; // same as averagesomething function - - for (i = 1; i < n; i++) - for (ch = 0; ch < _channels; ch++) { - level = qdm2_get_vlc(&gb, &_vlcTabLevel, 0, 2); - _quantizedCoeffs[ch][i][0] = level; - - for (j = 0; j < (8 - 1); ) { - run = qdm2_get_vlc(&gb, &_vlcTabRun, 0, 1) + 1; - diff = qdm2_get_se_vlc(&_vlcTabDiff, &gb, 2); - - for (k = 1; k <= run; k++) - _quantizedCoeffs[ch][i][j + k] = (level + ((k*diff) / run)); - - level += diff; - j += run; - } - } - - for (ch = 0; ch < _channels; ch++) - for (i = 0; i < 8; i++) - _quantizedCoeffs[ch][0][i] = 0; -} - -/** - * Process subpacket 10 if not null, else - * - * @param node pointer to node with packet - * @param length packet length in bits - */ -void QDM2Stream::process_subpacket_10(QDM2SubPNode *node, int length) { - GetBitContext gb; - - initGetBits(&gb, ((node == NULL) ? _emptyBuffer : node->packet->data), ((node == NULL) ? 0 : node->packet->size*8)); - - if (length != 0) { - init_tone_level_dequantization(&gb, length); - fill_tone_level_array(1); - } else { - fill_tone_level_array(0); - } -} - -/** - * Process subpacket 11 - * - * @param node pointer to node with packet - * @param length packet length in bit - */ -void QDM2Stream::process_subpacket_11(QDM2SubPNode *node, int length) { - GetBitContext gb; - - initGetBits(&gb, ((node == NULL) ? _emptyBuffer : node->packet->data), ((node == NULL) ? 0 : node->packet->size*8)); - if (length >= 32) { - int c = getBits (&gb, 13); - - if (c > 3) - fill_coding_method_array(_toneLevelIdx, _toneLevelIdxTemp, _codingMethod, - _channels, 8*c, _superblocktype_2_3, _cmTableSelect); - } - - synthfilt_build_sb_samples(&gb, length, 0, 8); -} - -/** - * Process subpacket 12 - * - * @param node pointer to node with packet - * @param length packet length in bits - */ -void QDM2Stream::process_subpacket_12(QDM2SubPNode *node, int length) { - GetBitContext gb; - - initGetBits(&gb, ((node == NULL) ? _emptyBuffer : node->packet->data), ((node == NULL) ? 0 : node->packet->size*8)); - synthfilt_build_sb_samples(&gb, length, 8, QDM2_SB_USED(_subSampling)); -} - -/* - * Process new subpackets for synthesis filter - * - * @param list list with synthesis filter packets (list D) - */ -void QDM2Stream::process_synthesis_subpackets(QDM2SubPNode *list) { - struct QDM2SubPNode *nodes[4]; - - nodes[0] = qdm2_search_subpacket_type_in_list(list, 9); - if (nodes[0] != NULL) - process_subpacket_9(nodes[0]); - - nodes[1] = qdm2_search_subpacket_type_in_list(list, 10); - if (nodes[1] != NULL) - process_subpacket_10(nodes[1], nodes[1]->packet->size << 3); - else - process_subpacket_10(NULL, 0); - - nodes[2] = qdm2_search_subpacket_type_in_list(list, 11); - if (nodes[0] != NULL && nodes[1] != NULL && nodes[2] != NULL) - process_subpacket_11(nodes[2], (nodes[2]->packet->size << 3)); - else - process_subpacket_11(NULL, 0); - - nodes[3] = qdm2_search_subpacket_type_in_list(list, 12); - if (nodes[0] != NULL && nodes[1] != NULL && nodes[3] != NULL) - process_subpacket_12(nodes[3], (nodes[3]->packet->size << 3)); - else - process_subpacket_12(NULL, 0); -} - -/* - * Decode superblock, fill packet lists. - * - */ -void QDM2Stream::qdm2_decode_super_block(void) { - GetBitContext gb; - struct QDM2SubPacket header, *packet; - int i, packet_bytes, sub_packet_size, subPacketsD; - unsigned int next_index = 0; - - memset(_toneLevelIdxHi1, 0, sizeof(_toneLevelIdxHi1)); - memset(_toneLevelIdxMid, 0, sizeof(_toneLevelIdxMid)); - memset(_toneLevelIdxHi2, 0, sizeof(_toneLevelIdxHi2)); - - _subPacketsB = 0; - subPacketsD = 0; - - average_quantized_coeffs(); // average elements in quantized_coeffs[max_ch][10][8] - - initGetBits(&gb, _compressedData, _packetSize*8); - qdm2_decode_sub_packet_header(&gb, &header); - - if (header.type < 2 || header.type >= 8) { - _hasErrors = true; - error("QDM2 : bad superblock type"); - return; - } - - _superblocktype_2_3 = (header.type == 2 || header.type == 3); - packet_bytes = (_packetSize - getBitsCount(&gb) / 8); - - initGetBits(&gb, header.data, header.size*8); - - if (header.type == 2 || header.type == 4 || header.type == 5) { - int csum = 257 * getBits(&gb, 8) + 2 * getBits(&gb, 8); - - csum = qdm2_packet_checksum(_compressedData, _packetSize, csum); - - if (csum != 0) { - _hasErrors = true; - error("QDM2 : bad packet checksum"); - return; - } - } - - _subPacketListB[0].packet = NULL; - _subPacketListD[0].packet = NULL; - - for (i = 0; i < 6; i++) - if (--_fftLevelExp[i] < 0) - _fftLevelExp[i] = 0; - - for (i = 0; packet_bytes > 0; i++) { - int j; - - _subPacketListA[i].next = NULL; - - if (i > 0) { - _subPacketListA[i - 1].next = &_subPacketListA[i]; - - // seek to next block - initGetBits(&gb, header.data, header.size*8); - skipBits(&gb, next_index*8); - - if (next_index >= header.size) - break; - } - - // decode subpacket - packet = &_subPackets[i]; - qdm2_decode_sub_packet_header(&gb, packet); - next_index = packet->size + getBitsCount(&gb) / 8; - sub_packet_size = ((packet->size > 0xff) ? 1 : 0) + packet->size + 2; - - if (packet->type == 0) - break; - - if (sub_packet_size > packet_bytes) { - if (packet->type != 10 && packet->type != 11 && packet->type != 12) - break; - packet->size += packet_bytes - sub_packet_size; - } - - packet_bytes -= sub_packet_size; - - // add subpacket to 'all subpackets' list - _subPacketListA[i].packet = packet; - - // add subpacket to related list - if (packet->type == 8) { - error("Unsupported packet type 8"); - return; - } else if (packet->type >= 9 && packet->type <= 12) { - // packets for MPEG Audio like Synthesis Filter - QDM2_LIST_ADD(_subPacketListD, subPacketsD, packet); - } else if (packet->type == 13) { - for (j = 0; j < 6; j++) - _fftLevelExp[j] = getBits(&gb, 6); - } else if (packet->type == 14) { - for (j = 0; j < 6; j++) - _fftLevelExp[j] = qdm2_get_vlc(&gb, &_fftLevelExpVlc, 0, 2); - } else if (packet->type == 15) { - error("Unsupported packet type 15"); - return; - } else if (packet->type >= 16 && packet->type < 48 && !fft_subpackets[packet->type - 16]) { - // packets for FFT - QDM2_LIST_ADD(_subPacketListB, _subPacketsB, packet); - } - } // Packet bytes loop - -// **************************************************************** - if (_subPacketListD[0].packet != NULL) { - process_synthesis_subpackets(_subPacketListD); - _doSynthFilter = 1; - } else if (_doSynthFilter) { - process_subpacket_10(NULL, 0); - process_subpacket_11(NULL, 0); - process_subpacket_12(NULL, 0); - } -// **************************************************************** -} - -void QDM2Stream::qdm2_fft_init_coefficient(int sub_packet, int offset, int duration, - int channel, int exp, int phase) { - if (_fftCoefsMinIndex[duration] < 0) - _fftCoefsMinIndex[duration] = _fftCoefsIndex; - - _fftCoefs[_fftCoefsIndex].sub_packet = ((sub_packet >= 16) ? (sub_packet - 16) : sub_packet); - _fftCoefs[_fftCoefsIndex].channel = channel; - _fftCoefs[_fftCoefsIndex].offset = offset; - _fftCoefs[_fftCoefsIndex].exp = exp; - _fftCoefs[_fftCoefsIndex].phase = phase; - _fftCoefsIndex++; -} - -void QDM2Stream::qdm2_fft_decode_tones(int duration, GetBitContext *gb, int b) { - debug(1, "QDM2Stream::qdm2_fft_decode_tones() duration: %d b:%d", duration, b); - int channel, stereo, phase, exp; - int local_int_4, local_int_8, stereo_phase, local_int_10; - int local_int_14, stereo_exp, local_int_20, local_int_28; - int n, offset; - - local_int_4 = 0; - local_int_28 = 0; - local_int_20 = 2; - local_int_8 = (4 - duration); - local_int_10 = 1 << (_groupOrder - duration - 1); - offset = 1; - - while (1) { - if (_superblocktype_2_3) { - debug(1, "QDM2Stream::qdm2_fft_decode_tones() local_int_8: %d", local_int_8); - while ((n = qdm2_get_vlc(gb, &_vlcTabFftToneOffset[local_int_8], 1, 2)) < 2) { - debug(1, "QDM2Stream::qdm2_fft_decode_tones() local_int_8: %d", local_int_8); - offset = 1; - if (n == 0) { - local_int_4 += local_int_10; - local_int_28 += (1 << local_int_8); - } else { - local_int_4 += 8*local_int_10; - local_int_28 += (8 << local_int_8); - } - } - offset += (n - 2); - } else { - offset += qdm2_get_vlc(gb, &_vlcTabFftToneOffset[local_int_8], 1, 2); - while (offset >= (local_int_10 - 1)) { - offset += (1 - (local_int_10 - 1)); - local_int_4 += local_int_10; - local_int_28 += (1 << local_int_8); - } - } - - if (local_int_4 >= _blockSize) - return; - - local_int_14 = (offset >> local_int_8); - - if (_channels > 1) { - channel = getBits1(gb); - stereo = getBits1(gb); - } else { - channel = 0; - stereo = 0; - } - - exp = qdm2_get_vlc(gb, (b ? &_fftLevelExpVlc : &_fftLevelExpAltVlc), 0, 2); - exp += _fftLevelExp[fft_level_index_table[local_int_14]]; - exp = (exp < 0) ? 0 : exp; - - phase = getBits(gb, 3); - stereo_exp = 0; - stereo_phase = 0; - - if (stereo) { - stereo_exp = (exp - qdm2_get_vlc(gb, &_fftStereoExpVlc, 0, 1)); - stereo_phase = (phase - qdm2_get_vlc(gb, &_fftStereoPhaseVlc, 0, 1)); - if (stereo_phase < 0) - stereo_phase += 8; - } - - if (_frequencyRange > (local_int_14 + 1)) { - int sub_packet = (local_int_20 + local_int_28); - - qdm2_fft_init_coefficient(sub_packet, offset, duration, channel, exp, phase); - if (stereo) - qdm2_fft_init_coefficient(sub_packet, offset, duration, (1 - channel), stereo_exp, stereo_phase); - } - - offset++; - } -} - -void QDM2Stream::qdm2_decode_fft_packets(void) { - debug(1, "QDM2Stream::qdm2_decode_fft_packets()"); - int i, j, min, max, value, type, unknown_flag; - GetBitContext gb; - - if (_subPacketListB[0].packet == NULL) - return; - - // reset minimum indexes for FFT coefficients - _fftCoefsIndex = 0; - for (i=0; i < 5; i++) - _fftCoefsMinIndex[i] = -1; - - // process subpackets ordered by type, largest type first - for (i = 0, max = 256; i < _subPacketsB; i++) { - QDM2SubPacket *packet= NULL; - - // find subpacket with largest type less than max - for (j = 0, min = 0; j < _subPacketsB; j++) { - value = _subPacketListB[j].packet->type; - if (value > min && value < max) { - min = value; - packet = _subPacketListB[j].packet; - } - } - - max = min; - - // check for errors (?) - if (!packet) - return; - - if (i == 0 && (packet->type < 16 || packet->type >= 48 || fft_subpackets[packet->type - 16])) - return; - - // decode FFT tones - debug(1, "QDM2Stream::qdm2_decode_fft_packets initGetBits() packet->size*8: %d", packet->size*8); - initGetBits(&gb, packet->data, packet->size*8); - - if (packet->type >= 32 && packet->type < 48 && !fft_subpackets[packet->type - 16]) - unknown_flag = 1; - else - unknown_flag = 0; - - type = packet->type; - - if ((type >= 17 && type < 24) || (type >= 33 && type < 40)) { - int duration = _subSampling + 5 - (type & 15); - - if (duration >= 0 && duration < 4) { // TODO: Should be <= 4? - debug(1, "QDM2Stream::qdm2_decode_fft_packets qdm2_fft_decode_tones() #1"); - qdm2_fft_decode_tones(duration, &gb, unknown_flag); - } - } else if (type == 31) { - for (j=0; j < 4; j++) { - debug(1, "QDM2Stream::qdm2_decode_fft_packets qdm2_fft_decode_tones() #2"); - qdm2_fft_decode_tones(j, &gb, unknown_flag); - } - } else if (type == 46) { - for (j=0; j < 6; j++) - _fftLevelExp[j] = getBits(&gb, 6); - for (j=0; j < 4; j++) { - debug(1, "QDM2Stream::qdm2_decode_fft_packets qdm2_fft_decode_tones() #3"); - qdm2_fft_decode_tones(j, &gb, unknown_flag); - } - } - } // Loop on B packets - - // calculate maximum indexes for FFT coefficients - for (i = 0, j = -1; i < 5; i++) - if (_fftCoefsMinIndex[i] >= 0) { - if (j >= 0) - _fftCoefsMaxIndex[j] = _fftCoefsMinIndex[i]; - j = i; - } - if (j >= 0) - _fftCoefsMaxIndex[j] = _fftCoefsIndex; -} - -void QDM2Stream::qdm2_fft_generate_tone(FFTTone *tone) -{ - float level, f[6]; - int i; - QDM2Complex c; - const double iscale = 2.0 * PI / 512.0; - - tone->phase += tone->phase_shift; - - // calculate current level (maximum amplitude) of tone - level = fft_tone_envelope_table[tone->duration][tone->time_index] * tone->level; - c.im = level * sin(tone->phase*iscale); - c.re = level * cos(tone->phase*iscale); - - // generate FFT coefficients for tone - if (tone->duration >= 3 || tone->cutoff >= 3) { - tone->complex[0].im += c.im; - tone->complex[0].re += c.re; - tone->complex[1].im -= c.im; - tone->complex[1].re -= c.re; - } else { - f[1] = -tone->table[4]; - f[0] = tone->table[3] - tone->table[0]; - f[2] = 1.0 - tone->table[2] - tone->table[3]; - f[3] = tone->table[1] + tone->table[4] - 1.0; - f[4] = tone->table[0] - tone->table[1]; - f[5] = tone->table[2]; - for (i = 0; i < 2; i++) { - tone->complex[fft_cutoff_index_table[tone->cutoff][i]].re += c.re * f[i]; - tone->complex[fft_cutoff_index_table[tone->cutoff][i]].im += c.im *((tone->cutoff <= i) ? -f[i] : f[i]); - } - for (i = 0; i < 4; i++) { - tone->complex[i].re += c.re * f[i+2]; - tone->complex[i].im += c.im * f[i+2]; - } - } - - // copy the tone if it has not yet died out - if (++tone->time_index < ((1 << (5 - tone->duration)) - 1)) { - memcpy(&_fftTones[_fftToneEnd], tone, sizeof(FFTTone)); - _fftToneEnd = (_fftToneEnd + 1) % 1000; - } -} - -void QDM2Stream::qdm2_fft_tone_synthesizer(uint8 sub_packet) { - int i, j, ch; - const double iscale = 0.25 * PI; - - for (ch = 0; ch < _channels; ch++) { - memset(_fft.complex[ch], 0, _frameSize * sizeof(QDM2Complex)); - } - - // apply FFT tones with duration 4 (1 FFT period) - if (_fftCoefsMinIndex[4] >= 0) - for (i = _fftCoefsMinIndex[4]; i < _fftCoefsMaxIndex[4]; i++) { - float level; - QDM2Complex c; - - if (_fftCoefs[i].sub_packet != sub_packet) - break; - - ch = (_channels == 1) ? 0 : _fftCoefs[i].channel; - level = (_fftCoefs[i].exp < 0) ? 0.0 : fft_tone_level_table[_superblocktype_2_3 ? 0 : 1][_fftCoefs[i].exp & 63]; - - c.re = level * cos(_fftCoefs[i].phase * iscale); - c.im = level * sin(_fftCoefs[i].phase * iscale); - _fft.complex[ch][_fftCoefs[i].offset + 0].re += c.re; - _fft.complex[ch][_fftCoefs[i].offset + 0].im += c.im; - _fft.complex[ch][_fftCoefs[i].offset + 1].re -= c.re; - _fft.complex[ch][_fftCoefs[i].offset + 1].im -= c.im; - } - - // generate existing FFT tones - for (i = _fftToneEnd; i != _fftToneStart; ) { - qdm2_fft_generate_tone(&_fftTones[_fftToneStart]); - _fftToneStart = (_fftToneStart + 1) % 1000; - } - - // create and generate new FFT tones with duration 0 (long) to 3 (short) - for (i = 0; i < 4; i++) - if (_fftCoefsMinIndex[i] >= 0) { - for (j = _fftCoefsMinIndex[i]; j < _fftCoefsMaxIndex[i]; j++) { - int offset, four_i; - FFTTone tone; - - if (_fftCoefs[j].sub_packet != sub_packet) - break; - - four_i = (4 - i); - offset = _fftCoefs[j].offset >> four_i; - ch = (_channels == 1) ? 0 : _fftCoefs[j].channel; - - if (offset < _frequencyRange) { - if (offset < 2) - tone.cutoff = offset; - else - tone.cutoff = (offset >= 60) ? 3 : 2; - - tone.level = (_fftCoefs[j].exp < 0) ? 0.0 : fft_tone_level_table[_superblocktype_2_3 ? 0 : 1][_fftCoefs[j].exp & 63]; - tone.complex = &_fft.complex[ch][offset]; - tone.table = fft_tone_sample_table[i][_fftCoefs[j].offset - (offset << four_i)]; - tone.phase = 64 * _fftCoefs[j].phase - (offset << 8) - 128; - tone.phase_shift = (2 * _fftCoefs[j].offset + 1) << (7 - four_i); - tone.duration = i; - tone.time_index = 0; - - qdm2_fft_generate_tone(&tone); - } - } - _fftCoefsMinIndex[i] = j; - } -} - -void QDM2Stream::qdm2_calculate_fft(int channel) { - debug(1, "QDM2Stream::qdm2_calculate_fft channel: %d", channel); - const float gain = (_channels == 1 && _channels == 2) ? 0.5f : 1.0f; - int i; - - _fft.complex[channel][0].re *= 2.0f; - _fft.complex[channel][0].im = 0.0f; - - //debug(1, "QDM2Stream::qdm2_calculate_fft _fft.complex[channel][0].re: %lf", _fft.complex[channel][0].re); - //debug(1, "QDM2Stream::qdm2_calculate_fft _fft.complex[channel][0].im: %lf", _fft.complex[channel][0].im); - - rdftCalc(&_rdftCtx, (float *)_fft.complex[channel]); - - // add samples to output buffer - for (i = 0; i < ((_fftFrameSize + 15) & ~15); i++) - _outputBuffer[_channels * i + channel] += ((float *) _fft.complex[channel])[i] * gain; -} - -/** - * @param index subpacket number - */ -void QDM2Stream::qdm2_synthesis_filter(uint8 index) -{ - int16 samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE]; - int i, k, ch, sb_used, sub_sampling, dither_state = 0; - - // copy sb_samples - sb_used = QDM2_SB_USED(_subSampling); - - for (ch = 0; ch < _channels; ch++) - for (i = 0; i < 8; i++) - for (k = sb_used; k < 32; k++) - _sbSamples[ch][(8 * index) + i][k] = 0; - - for (ch = 0; ch < _channels; ch++) { - int16 *samples_ptr = samples + ch; - - for (i = 0; i < 8; i++) { - ff_mpa_synth_filter(_synthBuf[ch], &(_synthBufOffset[ch]), - ff_mpa_synth_window, &dither_state, - samples_ptr, _channels, - _sbSamples[ch][(8 * index) + i]); - samples_ptr += 32 * _channels; - } - } - - // add samples to output buffer - sub_sampling = (4 >> _subSampling); - - for (ch = 0; ch < _channels; ch++) - for (i = 0; i < _sFrameSize; i++) - _outputBuffer[_channels * i + ch] += (float)(samples[_channels * sub_sampling * i + ch] >> (sizeof(int16)*8-16)); -} - -int QDM2Stream::qdm2_decodeFrame(Common::SeekableReadStream *in) { - debug(1, "QDM2Stream::qdm2_decodeFrame in->pos(): %d in->size(): %d", in->pos(), in->size()); - int ch, i; - const int frame_size = (_sFrameSize * _channels); - - // select input buffer - if(in->eos() || in->size() == in->pos()) { - debug(1, "QDM2Stream::qdm2_decodeFrame End of Input Stream"); - return 0; - } - if((in->size() - in->pos()) < _packetSize) { - debug(1, "QDM2Stream::qdm2_decodeFrame Insufficient Packet Data in Input Stream Found: %d Need: %d", in->size() - in->pos(), _packetSize); - return 0; - } - - in->read(_compressedData, _packetSize); - debug(1, "QDM2Stream::qdm2_decodeFrame constructed input data"); - - // copy old block, clear new block of output samples - memmove(_outputBuffer, &_outputBuffer[frame_size], frame_size * sizeof(float)); - memset(&_outputBuffer[frame_size], 0, frame_size * sizeof(float)); - debug(1, "QDM2Stream::qdm2_decodeFrame cleared outputBuffer"); - - // decode block of QDM2 compressed data - debug(1, "QDM2Stream::qdm2_decodeFrame decode block of QDM2 compressed data"); - if (_subPacket == 0) { - _hasErrors = false; // reset it for a new super block - debug(1, "QDM2 : Superblock follows"); - qdm2_decode_super_block(); - } - - // parse subpackets - debug(1, "QDM2Stream::qdm2_decodeFrame parse subpackets"); - if (!_hasErrors) { - if (_subPacket == 2) { - debug(1, "QDM2Stream::qdm2_decodeFrame qdm2_decode_fft_packets()"); - qdm2_decode_fft_packets(); - } - - debug(1, "QDM2Stream::qdm2_decodeFrame qdm2_fft_tone_synthesizer(%d)", _subPacket); - qdm2_fft_tone_synthesizer(_subPacket); - } - - // sound synthesis stage 1 (FFT) - debug(1, "QDM2Stream::qdm2_decodeFrame sound synthesis stage 1 (FFT)"); - for (ch = 0; ch < _channels; ch++) { - qdm2_calculate_fft(ch); - - if (!_hasErrors && _subPacketListC[0].packet != NULL) { - error("QDM2 : has errors, and C list is not empty"); - return 0; - } - } - - // sound synthesis stage 2 (MPEG audio like synthesis filter) - debug(1, "QDM2Stream::qdm2_decodeFrame sound synthesis stage 2 (MPEG audio like synthesis filter)"); - if (!_hasErrors && _doSynthFilter) - qdm2_synthesis_filter(_subPacket); - - _subPacket = (_subPacket + 1) % 16; - - if(_hasErrors) - warning("QDM2 Packet error..."); - - // clip and convert output float[] to 16bit signed samples - debug(1, "QDM2Stream::qdm2_decodeFrame clip and convert output float[] to 16bit signed samples"); - -/* - debugN(1, "Input Data Packet:"); - for(i = 0; i < _packetSize; i++) { - debugN(1, " %d", _compressedData[i]); - } - debugN(1, " Output Data Packet:"); - for(i = 0; i < frame_size; i++) { - debugN(1, " %d", (int)_outputBuffer[i]); - } - debug(1, ""); -*/ - - for (i = 0; i < frame_size; i++) { - //debug(1, "QDM2Stream::qdm2_decodeFrame i: %d", i); - int value = (int)_outputBuffer[i]; - - if (value > SOFTCLIP_THRESHOLD) - value = (value > HARDCLIP_THRESHOLD) ? 32767 : _softclipTable[ value - SOFTCLIP_THRESHOLD]; - else if (value < -SOFTCLIP_THRESHOLD) - value = (value < -HARDCLIP_THRESHOLD) ? -32767 : -_softclipTable[-value - SOFTCLIP_THRESHOLD]; - - _outputSamples.push_back(value); - } - return frame_size; -} - -int QDM2Stream::readBuffer(int16 *buffer, const int numSamples) { - debug(1, "QDM2Stream::readBuffer numSamples: %d", numSamples); - int32 decodedSamples = _outputSamples.size(); - int32 i; - - //while((int)_outputSamples.size() < numSamples) { - while(!_stream->eos() && _stream->pos() != _stream->size()) { - i = qdm2_decodeFrame(_stream); - if(i == 0) - break; // Out Of Decode Frames... - decodedSamples += i; - } - if(decodedSamples > numSamples) - decodedSamples = numSamples; - - for(i = 0; i < decodedSamples; i++) - buffer[i] = _outputSamples.remove_at(0); - - return decodedSamples; -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/video/qdm2.h b/engines/mohawk/video/qdm2.h deleted file mode 100644 index ffa5f77030..0000000000 --- a/engines/mohawk/video/qdm2.h +++ /dev/null @@ -1,289 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef MOHAWK_VIDEO_QDM2_H -#define MOHAWK_VIDEO_QDM2_H - -#include "sound/audiostream.h" -#include "common/array.h" -#include "common/stream.h" - -namespace Mohawk { - -enum { - SOFTCLIP_THRESHOLD = 27600, - HARDCLIP_THRESHOLD = 35716, - MPA_MAX_CHANNELS = 2, - MPA_FRAME_SIZE = 1152, - FF_INPUT_BUFFER_PADDING_SIZE = 8 -}; - -typedef int8 sb_int8_array[2][30][64]; - -/* bit input */ -/* buffer, buffer_end and size_in_bits must be present and used by every reader */ -struct GetBitContext { - const uint8 *buffer, *bufferEnd; - int index; - int sizeInBits; -}; - -struct QDM2SubPacket { - int type; - unsigned int size; - const uint8 *data; // pointer to subpacket data (points to input data buffer, it's not a private copy) -}; - -struct QDM2SubPNode { - QDM2SubPacket *packet; - struct QDM2SubPNode *next; // pointer to next packet in the list, NULL if leaf node -}; - -struct QDM2Complex { - float re; - float im; -}; - -struct FFTTone { - float level; - QDM2Complex *complex; - const float *table; - int phase; - int phase_shift; - int duration; - short time_index; - short cutoff; -}; - -struct FFTCoefficient { - int16 sub_packet; - uint8 channel; - int16 offset; - int16 exp; - uint8 phase; -}; - -struct VLC { - int32 bits; - int16 (*table)[2]; // code, bits - int32 table_size; - int32 table_allocated; -}; - -#include "common/pack-start.h" -struct QDM2FFT { - QDM2Complex complex[MPA_MAX_CHANNELS][256]; -} PACKED_STRUCT; -#include "common/pack-end.h" - -enum RDFTransformType { - RDFT, - IRDFT, - RIDFT, - IRIDFT -}; - -struct FFTComplex { - float re, im; -}; - -struct FFTContext { - int nbits; - int inverse; - uint16 *revtab; - FFTComplex *exptab; - FFTComplex *tmpBuf; - int mdctSize; // size of MDCT (i.e. number of input data * 2) - int mdctBits; // n = 2^nbits - // pre/post rotation tables - float *tcos; - float *tsin; - void (*fftPermute)(struct FFTContext *s, FFTComplex *z); - void (*fftCalc)(struct FFTContext *s, FFTComplex *z); - void (*imdctCalc)(struct FFTContext *s, float *output, const float *input); - void (*imdctHalf)(struct FFTContext *s, float *output, const float *input); - void (*mdctCalc)(struct FFTContext *s, float *output, const float *input); - int splitRadix; - int permutation; -}; - -enum { - FF_MDCT_PERM_NONE = 0, - FF_MDCT_PERM_INTERLEAVE = 1 -}; - -struct RDFTContext { - int nbits; - int inverse; - int signConvention; - - // pre/post rotation tables - float *tcos; - float *tsin; - FFTContext fft; -}; - -class QDM2Stream : public Audio::AudioStream { -public: - QDM2Stream(Common::SeekableReadStream *stream, Common::SeekableReadStream *extraData); - ~QDM2Stream(); - - bool isStereo() const { return _channels == 2; } - bool endOfData() const { return ((_stream->pos() == _stream->size()) && (_outputSamples.size() == 0)); } - int getRate() const { return _sampleRate; } - int readBuffer(int16 *buffer, const int numSamples); - -private: - Common::SeekableReadStream *_stream; - - // Parameters from codec header, do not change during playback - uint8 _channels; - uint16 _sampleRate; - uint16 _bitRate; - uint16 _blockSize; // Group - uint16 _frameSize; // FFT - uint16 _packetSize; // Checksum - - // Parameters built from header parameters, do not change during playback - int _groupOrder; // order of frame group - int _fftOrder; // order of FFT (actually fft order+1) - int _fftFrameSize; // size of fft frame, in components (1 comples = re + im) - int _sFrameSize; // size of data frame - int _frequencyRange; - int _subSampling; // subsampling: 0=25%, 1=50%, 2=100% */ - int _coeffPerSbSelect; // selector for "num. of coeffs. per subband" tables. Can be 0, 1, 2 - int _cmTableSelect; // selector for "coding method" tables. Can be 0, 1 (from init: 0-4) - - // Packets and packet lists - QDM2SubPacket _subPackets[16]; // the packets themselves - QDM2SubPNode _subPacketListA[16]; // list of all packets - QDM2SubPNode _subPacketListB[16]; // FFT packets B are on list - int _subPacketsB; // number of packets on 'B' list - QDM2SubPNode _subPacketListC[16]; // packets with errors? - QDM2SubPNode _subPacketListD[16]; // DCT packets - - // FFT and tones - FFTTone _fftTones[1000]; - int _fftToneStart; - int _fftToneEnd; - FFTCoefficient _fftCoefs[1000]; - int _fftCoefsIndex; - int _fftCoefsMinIndex[5]; - int _fftCoefsMaxIndex[5]; - int _fftLevelExp[6]; - //RDFTContext _rdftCtx; - QDM2FFT _fft; - - // I/O data - uint8 *_compressedData; - float _outputBuffer[1024]; - Common::Array<int16> _outputSamples; - - // Synthesis filter - int16 ff_mpa_synth_window[512]; - int16 _synthBuf[MPA_MAX_CHANNELS][512*2]; - int _synthBufOffset[MPA_MAX_CHANNELS]; - int32 _sbSamples[MPA_MAX_CHANNELS][128][32]; - - // Mixed temporary data used in decoding - float _toneLevel[MPA_MAX_CHANNELS][30][64]; - int8 _codingMethod[MPA_MAX_CHANNELS][30][64]; - int8 _quantizedCoeffs[MPA_MAX_CHANNELS][10][8]; - int8 _toneLevelIdxBase[MPA_MAX_CHANNELS][30][8]; - int8 _toneLevelIdxHi1[MPA_MAX_CHANNELS][3][8][8]; - int8 _toneLevelIdxMid[MPA_MAX_CHANNELS][26][8]; - int8 _toneLevelIdxHi2[MPA_MAX_CHANNELS][26]; - int8 _toneLevelIdx[MPA_MAX_CHANNELS][30][64]; - int8 _toneLevelIdxTemp[MPA_MAX_CHANNELS][30][64]; - - // Flags - bool _hasErrors; // packet has errors - int _superblocktype_2_3; // select fft tables and some algorithm based on superblock type - int _doSynthFilter; // used to perform or skip synthesis filter - - uint8 _subPacket; // 0 to 15 - int _noiseIdx; // index for dithering noise table - - byte _emptyBuffer[FF_INPUT_BUFFER_PADDING_SIZE]; - - VLC _vlcTabLevel; - VLC _vlcTabDiff; - VLC _vlcTabRun; - VLC _fftLevelExpAltVlc; - VLC _fftLevelExpVlc; - VLC _fftStereoExpVlc; - VLC _fftStereoPhaseVlc; - VLC _vlcTabToneLevelIdxHi1; - VLC _vlcTabToneLevelIdxMid; - VLC _vlcTabToneLevelIdxHi2; - VLC _vlcTabType30; - VLC _vlcTabType34; - VLC _vlcTabFftToneOffset[5]; - bool _vlcsInitialized; - void initVlc(void); - - uint16 _softclipTable[HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1]; - void softclipTableInit(void); - - float _noiseTable[4096]; - byte _randomDequantIndex[256][5]; - byte _randomDequantType24[128][3]; - void rndTableInit(void); - - float _noiseSamples[128]; - void initNoiseSamples(void); - - RDFTContext _rdftCtx; - - void average_quantized_coeffs(void); - void build_sb_samples_from_noise(int sb); - void fix_coding_method_array(int sb, int channels, sb_int8_array coding_method); - void fill_tone_level_array(int flag); - void fill_coding_method_array(sb_int8_array tone_level_idx, sb_int8_array tone_level_idx_temp, - sb_int8_array coding_method, int nb_channels, - int c, int superblocktype_2_3, int cm_table_select); - void synthfilt_build_sb_samples(GetBitContext *gb, int length, int sb_min, int sb_max); - void init_quantized_coeffs_elem0(int8 *quantized_coeffs, GetBitContext *gb, int length); - void init_tone_level_dequantization(GetBitContext *gb, int length); - void process_subpacket_9(QDM2SubPNode *node); - void process_subpacket_10(QDM2SubPNode *node, int length); - void process_subpacket_11(QDM2SubPNode *node, int length); - void process_subpacket_12(QDM2SubPNode *node, int length); - void process_synthesis_subpackets(QDM2SubPNode *list); - void qdm2_decode_super_block(void); - void qdm2_fft_init_coefficient(int sub_packet, int offset, int duration, - int channel, int exp, int phase); - void qdm2_fft_decode_tones(int duration, GetBitContext *gb, int b); - void qdm2_decode_fft_packets(void); - void qdm2_fft_generate_tone(FFTTone *tone); - void qdm2_fft_tone_synthesizer(uint8 sub_packet); - void qdm2_calculate_fft(int channel); - void qdm2_synthesis_filter(uint8 index); - int qdm2_decodeFrame(Common::SeekableReadStream *in); -}; - -} // End of namespace Mohawk - -#endif diff --git a/engines/mohawk/video/qdm2data.h b/engines/mohawk/video/qdm2data.h deleted file mode 100644 index f1c18db41c..0000000000 --- a/engines/mohawk/video/qdm2data.h +++ /dev/null @@ -1,531 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef MOHAWK_VIDEO_QDM2DATA_H -#define MOHAWK_VIDEO_QDM2DATA_H - -#include "common/scummsys.h" - -namespace Mohawk { - -/// VLC TABLES - -// values in this table range from -1..23; adjust retrieved value by -1 -static const uint16 vlc_tab_level_huffcodes[24] = { - 0x037c, 0x0004, 0x003c, 0x004c, 0x003a, 0x002c, 0x001c, 0x001a, - 0x0024, 0x0014, 0x0001, 0x0002, 0x0000, 0x0003, 0x0007, 0x0005, - 0x0006, 0x0008, 0x0009, 0x000a, 0x000c, 0x00fc, 0x007c, 0x017c -}; - -static const byte vlc_tab_level_huffbits[24] = { - 10, 6, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 4, 4, 5, 7, 8, 9, 10 -}; - -// values in this table range from -1..36; adjust retrieved value by -1 -static const uint16 vlc_tab_diff_huffcodes[37] = { - 0x1c57, 0x0004, 0x0000, 0x0001, 0x0003, 0x0002, 0x000f, 0x000e, - 0x0007, 0x0016, 0x0037, 0x0027, 0x0026, 0x0066, 0x0006, 0x0097, - 0x0046, 0x01c6, 0x0017, 0x0786, 0x0086, 0x0257, 0x00d7, 0x0357, - 0x00c6, 0x0386, 0x0186, 0x0000, 0x0157, 0x0c57, 0x0057, 0x0000, - 0x0b86, 0x0000, 0x1457, 0x0000, 0x0457 -}; - -static const byte vlc_tab_diff_huffbits[37] = { - 13, 3, 3, 2, 3, 3, 4, 4, 6, 5, 6, 6, 7, 7, 8, 8, - 8, 9, 8, 11, 9, 10, 8, 10, 9, 12, 10, 0, 10, 13, 11, 0, - 12, 0, 13, 0, 13 -}; - -// values in this table range from -1..5; adjust retrieved value by -1 -static const byte vlc_tab_run_huffcodes[6] = { - 0x1f, 0x00, 0x01, 0x03, 0x07, 0x0f -}; - -static const byte vlc_tab_run_huffbits[6] = { - 5, 1, 2, 3, 4, 5 -}; - -// values in this table range from -1..19; adjust retrieved value by -1 -static const uint16 vlc_tab_tone_level_idx_hi1_huffcodes[20] = { - 0x5714, 0x000c, 0x0002, 0x0001, 0x0000, 0x0004, 0x0034, 0x0054, - 0x0094, 0x0014, 0x0114, 0x0214, 0x0314, 0x0614, 0x0e14, 0x0f14, - 0x2714, 0x0714, 0x1714, 0x3714 -}; - -static const byte vlc_tab_tone_level_idx_hi1_huffbits[20] = { - 15, 4, 2, 1, 3, 5, 6, 7, 8, 10, 10, 11, 11, 12, 12, 12, 14, 14, 15, 14 -}; - -// values in this table range from -1..23; adjust retrieved value by -1 -static const uint16 vlc_tab_tone_level_idx_mid_huffcodes[24] = { - 0x0fea, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0x03ea, 0x00ea, 0x002a, 0x001a, - 0x0006, 0x0001, 0x0000, 0x0002, 0x000a, 0x006a, 0x01ea, 0x07ea -}; - -static const byte vlc_tab_tone_level_idx_mid_huffbits[24] = { - 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 9, 7, 5, 3, 1, 2, 4, 6, 8, 10, 12 -}; - -// values in this table range from -1..23; adjust retrieved value by -1 -static const uint16 vlc_tab_tone_level_idx_hi2_huffcodes[24] = { - 0x0664, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0064, 0x00e4, - 0x00a4, 0x0068, 0x0004, 0x0008, 0x0014, 0x0018, 0x0000, 0x0001, - 0x0002, 0x0003, 0x000c, 0x0028, 0x0024, 0x0164, 0x0000, 0x0264 -}; - -static const byte vlc_tab_tone_level_idx_hi2_huffbits[24] = { - 11, 0, 0, 0, 0, 0, 10, 8, 8, 7, 6, 6, 5, 5, 4, 2, 2, 2, 4, 7, 8, 9, 0, 11 -}; - -// values in this table range from -1..8; adjust retrieved value by -1 -static const byte vlc_tab_type30_huffcodes[9] = { - 0x3c, 0x06, 0x00, 0x01, 0x03, 0x02, 0x04, 0x0c, 0x1c -}; - -static const byte vlc_tab_type30_huffbits[9] = { - 6, 3, 3, 2, 2, 3, 4, 5, 6 -}; - -// values in this table range from -1..9; adjust retrieved value by -1 -static const byte vlc_tab_type34_huffcodes[10] = { - 0x18, 0x00, 0x01, 0x04, 0x05, 0x07, 0x03, 0x02, 0x06, 0x08 -}; - -static const byte vlc_tab_type34_huffbits[10] = { - 5, 4, 3, 3, 3, 3, 3, 3, 3, 5 -}; - -// values in this table range from -1..22; adjust retrieved value by -1 -static const uint16 vlc_tab_fft_tone_offset_0_huffcodes[23] = { - 0x038e, 0x0001, 0x0000, 0x0022, 0x000a, 0x0006, 0x0012, 0x0002, - 0x001e, 0x003e, 0x0056, 0x0016, 0x000e, 0x0032, 0x0072, 0x0042, - 0x008e, 0x004e, 0x00f2, 0x002e, 0x0036, 0x00c2, 0x018e -}; - -static const byte vlc_tab_fft_tone_offset_0_huffbits[23] = { - 10, 1, 2, 6, 4, 5, 6, 7, 6, 6, 7, 7, 8, 7, 8, 8, 9, 7, 8, 6, 6, 8, 10 -}; - -// values in this table range from -1..27; adjust retrieved value by -1 -static const uint16 vlc_tab_fft_tone_offset_1_huffcodes[28] = { - 0x07a4, 0x0001, 0x0020, 0x0012, 0x001c, 0x0008, 0x0006, 0x0010, - 0x0000, 0x0014, 0x0004, 0x0032, 0x0070, 0x000c, 0x0002, 0x003a, - 0x001a, 0x002c, 0x002a, 0x0022, 0x0024, 0x000a, 0x0064, 0x0030, - 0x0062, 0x00a4, 0x01a4, 0x03a4 -}; - -static const byte vlc_tab_fft_tone_offset_1_huffbits[28] = { - 11, 1, 6, 6, 5, 4, 3, 6, 6, 5, 6, 6, 7, 6, 6, 6, - 6, 6, 6, 7, 8, 6, 7, 7, 7, 9, 10, 11 -}; - -// values in this table range from -1..31; adjust retrieved value by -1 -static const uint16 vlc_tab_fft_tone_offset_2_huffcodes[32] = { - 0x1760, 0x0001, 0x0000, 0x0082, 0x000c, 0x0006, 0x0003, 0x0007, - 0x0008, 0x0004, 0x0010, 0x0012, 0x0022, 0x001a, 0x0000, 0x0020, - 0x000a, 0x0040, 0x004a, 0x006a, 0x002a, 0x0042, 0x0002, 0x0060, - 0x00aa, 0x00e0, 0x00c2, 0x01c2, 0x0160, 0x0360, 0x0760, 0x0f60 -}; - -static const byte vlc_tab_fft_tone_offset_2_huffbits[32] = { - 13, 2, 0, 8, 4, 3, 3, 3, 4, 4, 5, 5, 6, 5, 7, 7, - 7, 7, 7, 7, 8, 8, 8, 9, 8, 8, 9, 9, 10, 11, 13, 12 -}; - -// values in this table range from -1..34; adjust retrieved value by -1 -static const uint16 vlc_tab_fft_tone_offset_3_huffcodes[35] = { - 0x33ea, 0x0005, 0x0000, 0x000c, 0x0000, 0x0006, 0x0003, 0x0008, - 0x0002, 0x0001, 0x0004, 0x0007, 0x001a, 0x000f, 0x001c, 0x002c, - 0x000a, 0x001d, 0x002d, 0x002a, 0x000d, 0x004c, 0x008c, 0x006a, - 0x00cd, 0x004d, 0x00ea, 0x020c, 0x030c, 0x010c, 0x01ea, 0x07ea, - 0x0bea, 0x03ea, 0x13ea -}; - -static const byte vlc_tab_fft_tone_offset_3_huffbits[35] = { - 14, 4, 0, 10, 4, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6, - 6, 5, 6, 7, 7, 7, 8, 8, 8, 8, 9, 10, 10, 10, 10, 11, - 12, 13, 14 -}; - -// values in this table range from -1..37; adjust retrieved value by -1 -static const uint16 vlc_tab_fft_tone_offset_4_huffcodes[38] = { - 0x5282, 0x0016, 0x0000, 0x0136, 0x0004, 0x0000, 0x0007, 0x000a, - 0x000e, 0x0003, 0x0001, 0x000d, 0x0006, 0x0009, 0x0012, 0x0005, - 0x0025, 0x0022, 0x0015, 0x0002, 0x0076, 0x0035, 0x0042, 0x00c2, - 0x0182, 0x00b6, 0x0036, 0x03c2, 0x0482, 0x01c2, 0x0682, 0x0882, - 0x0a82, 0x0082, 0x0282, 0x1282, 0x3282, 0x2282 -}; - -static const byte vlc_tab_fft_tone_offset_4_huffbits[38] = { - 15, 6, 0, 9, 3, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6, - 6, 6, 6, 8, 7, 6, 8, 9, 9, 8, 9, 10, 11, 10, 11, 12, - 12, 12, 14, 15, 14, 14 -}; - -/// FFT TABLES - -// values in this table range from -1..27; adjust retrieved value by -1 -static const uint16 fft_level_exp_alt_huffcodes[28] = { - 0x1ec6, 0x0006, 0x00c2, 0x0142, 0x0242, 0x0246, 0x00c6, 0x0046, - 0x0042, 0x0146, 0x00a2, 0x0062, 0x0026, 0x0016, 0x000e, 0x0005, - 0x0004, 0x0003, 0x0000, 0x0001, 0x000a, 0x0012, 0x0002, 0x0022, - 0x01c6, 0x02c6, 0x06c6, 0x0ec6 -}; - -static const byte fft_level_exp_alt_huffbits[28] = { - 13, 7, 8, 9, 10, 10, 10, 10, 10, 9, 8, 7, 6, 5, 4, 3, - 3, 2, 3, 3, 4, 5, 7, 8, 9, 11, 12, 13 -}; - -// values in this table range from -1..19; adjust retrieved value by -1 -static const uint16 fft_level_exp_huffcodes[20] = { - 0x0f24, 0x0001, 0x0002, 0x0000, 0x0006, 0x0005, 0x0007, 0x000c, - 0x000b, 0x0014, 0x0013, 0x0004, 0x0003, 0x0023, 0x0064, 0x00a4, - 0x0024, 0x0124, 0x0324, 0x0724 -}; - -static const byte fft_level_exp_huffbits[20] = { - 12, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 8, 9, 10, 11, 12 -}; - -// values in this table range from -1..6; adjust retrieved value by -1 -static const byte fft_stereo_exp_huffcodes[7] = { - 0x3e, 0x01, 0x00, 0x02, 0x06, 0x0e, 0x1e -}; - -static const byte fft_stereo_exp_huffbits[7] = { - 6, 1, 2, 3, 4, 5, 6 -}; - -// values in this table range from -1..8; adjust retrieved value by -1 -static const byte fft_stereo_phase_huffcodes[9] = { - 0x35, 0x02, 0x00, 0x01, 0x0d, 0x15, 0x05, 0x09, 0x03 -}; - -static const byte fft_stereo_phase_huffbits[9] = { - 6, 2, 2, 4, 4, 6, 5, 4, 2 -}; - -static const int fft_cutoff_index_table[4][2] = { - { 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 } -}; - -static const int16 fft_level_index_table[256] = { - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, -}; - -static const byte last_coeff[3] = { - 4, 7, 10 -}; - -static const byte coeff_per_sb_for_avg[3][30] = { - { 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, - { 0, 1, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 }, - { 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9 } -}; - -static const uint32 dequant_table[3][10][30] = { - { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 256, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 51, 102, 154, 205, 256, 238, 219, 201, 183, 165, 146, 128, 110, 91, 73, 55, 37, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 18, 37, 55, 73, 91, 110, 128, 146, 165, 183, 201, 219, 238, 256, 228, 199, 171, 142, 114, 85, 57, 28 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, - { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 85, 171, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 85, 171, 256, 219, 183, 146, 110, 73, 37, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 73, 110, 146, 183, 219, 256, 228, 199, 171, 142, 114, 85, 57, 28, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 57, 85, 114, 142, 171, 199, 228, 256, 213, 171, 128, 85, 43 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, - { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 256, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 85, 171, 256, 192, 128, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 128, 192, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 102, 154, 205, 256, 213, 171, 128, 85, 43, 0, 0, 0, 0, 0, 0 }, - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 85, 128, 171, 213, 256, 213, 171, 128, 85, 43 } } -}; - -static const byte coeff_per_sb_for_dequant[3][30] = { - { 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, - { 0, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 }, - { 0, 1, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9 } -}; - -// first index is subband, 2nd index is 0, 1 or 3 (2 is unused) -static const int8 tone_level_idx_offset_table[30][4] = { - { -50, -50, 0, -50 }, - { -50, -50, 0, -50 }, - { -50, -9, 0, -19 }, - { -16, -6, 0, -12 }, - { -11, -4, 0, -8 }, - { -8, -3, 0, -6 }, - { -7, -3, 0, -5 }, - { -6, -2, 0, -4 }, - { -5, -2, 0, -3 }, - { -4, -1, 0, -3 }, - { -4, -1, 0, -2 }, - { -3, -1, 0, -2 }, - { -3, -1, 0, -2 }, - { -3, -1, 0, -2 }, - { -2, -1, 0, -1 }, - { -2, -1, 0, -1 }, - { -2, -1, 0, -1 }, - { -2, 0, 0, -1 }, - { -2, 0, 0, -1 }, - { -1, 0, 0, -1 }, - { -1, 0, 0, -1 }, - { -1, 0, 0, -1 }, - { -1, 0, 0, -1 }, - { -1, 0, 0, -1 }, - { -1, 0, 0, -1 }, - { -1, 0, 0, -1 }, - { -1, 0, 0, 0 }, - { -1, 0, 0, 0 }, - { -1, 0, 0, 0 }, - { -1, 0, 0, 0 } -}; - -/* all my samples have 1st index 0 or 1 */ -/* second index is subband, only indexes 0-29 seem to be used */ -static const int8 coding_method_table[5][30] = { - { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 - }, - { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 - }, - { 34, 30, 30, 30, 24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 - }, - { 34, 34, 30, 30, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10 - }, - { 34, 34, 30, 30, 30, 30, 30, 30, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 - }, -}; - -static const int vlc_stage3_values[60] = { - 0, 1, 2, 3, 4, 6, 8, 10, 12, 16, 20, 24, - 28, 36, 44, 52, 60, 76, 92, 108, 124, 156, 188, 220, - 252, 316, 380, 444, 508, 636, 764, 892, 1020, 1276, 1532, 1788, - 2044, 2556, 3068, 3580, 4092, 5116, 6140, 7164, 8188, 10236, 12284, 14332, - 16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300,114684 -}; - -static const float fft_tone_sample_table[4][16][5] = { - { { .0100000000f,-.0037037037f,-.0020000000f,-.0069444444f,-.0018416207f }, - { .0416666667f, .0000000000f, .0000000000f,-.0208333333f,-.0123456791f }, - { .1250000000f, .0558035709f, .0330687836f,-.0164473690f,-.0097465888f }, - { .1562500000f, .0625000000f, .0370370370f,-.0062500000f,-.0037037037f }, - { .1996007860f, .0781250000f, .0462962948f, .0022727272f, .0013468013f }, - { .2000000000f, .0625000000f, .0370370373f, .0208333333f, .0074074073f }, - { .2127659619f, .0555555556f, .0329218097f, .0208333333f, .0123456791f }, - { .2173913121f, .0473484844f, .0280583613f, .0347222239f, .0205761325f }, - { .2173913121f, .0347222239f, .0205761325f, .0473484844f, .0280583613f }, - { .2127659619f, .0208333333f, .0123456791f, .0555555556f, .0329218097f }, - { .2000000000f, .0208333333f, .0074074073f, .0625000000f, .0370370370f }, - { .1996007860f, .0022727272f, .0013468013f, .0781250000f, .0462962948f }, - { .1562500000f,-.0062500000f,-.0037037037f, .0625000000f, .0370370370f }, - { .1250000000f,-.0164473690f,-.0097465888f, .0558035709f, .0330687836f }, - { .0416666667f,-.0208333333f,-.0123456791f, .0000000000f, .0000000000f }, - { .0100000000f,-.0069444444f,-.0018416207f,-.0037037037f,-.0020000000f } }, - - { { .0050000000f,-.0200000000f, .0125000000f,-.3030303030f, .0020000000f }, - { .1041666642f, .0400000000f,-.0250000000f, .0333333333f,-.0200000000f }, - { .1250000000f, .0100000000f, .0142857144f,-.0500000007f,-.0200000000f }, - { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f }, - { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f }, - { .1250000000f,-.0500000000f,-.0200000000f, .0100000000f, .0142857144f }, - { .1041666667f, .0333333333f,-.0200000000f, .0400000000f,-.0250000000f }, - { .0050000000f,-.3030303030f, .0020000001f,-.0200000000f, .0125000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }, - - { { .1428571492f, .1250000000f,-.0285714287f,-.0357142873f, .0208333333f }, - { .1818181818f, .0588235296f, .0333333333f, .0212765951f, .0100000000f }, - { .1818181818f, .0212765951f, .0100000000f, .0588235296f, .0333333333f }, - { .1428571492f,-.0357142873f, .0208333333f, .1250000000f,-.0285714287f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }, - - { { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, - { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } } -}; - -static const float fft_tone_level_table[2][64] = { { -// pow ~ (i > 46) ? 0 : (((((i & 1) ? 431 : 304) << (i >> 1))) / 1024.0); - 0.17677669f, 0.42677650f, 0.60355347f, 0.85355347f, - 1.20710683f, 1.68359375f, 2.37500000f, 3.36718750f, - 4.75000000f, 6.73437500f, 9.50000000f, 13.4687500f, - 19.0000000f, 26.9375000f, 38.0000000f, 53.8750000f, - 76.0000000f, 107.750000f, 152.000000f, 215.500000f, - 304.000000f, 431.000000f, 608.000000f, 862.000000f, - 1216.00000f, 1724.00000f, 2432.00000f, 3448.00000f, - 4864.00000f, 6896.00000f, 9728.00000f, 13792.0000f, - 19456.0000f, 27584.0000f, 38912.0000f, 55168.0000f, - 77824.0000f, 110336.000f, 155648.000f, 220672.000f, - 311296.000f, 441344.000f, 622592.000f, 882688.000f, - 1245184.00f, 1765376.00f, 2490368.00f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, - }, { -// pow = (i > 45) ? 0 : ((((i & 1) ? 431 : 304) << (i >> 1)) / 512.0); - 0.59375000f, 0.84179688f, 1.18750000f, 1.68359375f, - 2.37500000f, 3.36718750f, 4.75000000f, 6.73437500f, - 9.50000000f, 13.4687500f, 19.0000000f, 26.9375000f, - 38.0000000f, 53.8750000f, 76.0000000f, 107.750000f, - 152.000000f, 215.500000f, 304.000000f, 431.000000f, - 608.000000f, 862.000000f, 1216.00000f, 1724.00000f, - 2432.00000f, 3448.00000f, 4864.00000f, 6896.00000f, - 9728.00000f, 13792.0000f, 19456.0000f, 27584.0000f, - 38912.0000f, 55168.0000f, 77824.0000f, 110336.000f, - 155648.000f, 220672.000f, 311296.000f, 441344.000f, - 622592.000f, 882688.000f, 1245184.00f, 1765376.00f, - 2490368.00f, 3530752.00f, 0.00000000f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, - 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f -} }; - -static const float fft_tone_envelope_table[4][31] = { - { .009607375f, .038060248f, .084265202f, .146446645f, .222214907f, .308658302f, - .402454883f, .500000060f, .597545207f, .691341758f, .777785182f, .853553414f, - .915734828f, .961939812f, .990392685f, 1.00000000f, .990392625f, .961939752f, - .915734768f, .853553295f, .777785063f, .691341639f, .597545087f, .500000000f, - .402454853f, .308658272f, .222214878f, .146446615f, .084265172f, .038060218f, - .009607345f }, - { .038060248f, .146446645f, .308658302f, .500000060f, .691341758f, .853553414f, - .961939812f, 1.00000000f, .961939752f, .853553295f, .691341639f, .500000000f, - .308658272f, .146446615f, .038060218f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f }, - { .146446645f, .500000060f, .853553414f, 1.00000000f, .853553295f, .500000000f, - .146446615f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f }, - { .500000060f, 1.00000000f, .500000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, - .000000000f } -}; - -static const float sb_noise_attenuation[32] = { - 0.0f, 0.0f, 0.3f, 0.4f, 0.5f, 0.7f, 1.0f, 1.0f, - 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, - 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, - 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, -}; - -static const byte fft_subpackets[32] = { - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0 -}; - -// first index is joined_stereo, second index is 0 or 2 (1 is unused) -static const float dequant_1bit[2][3] = { - {-0.920000f, 0.000000f, 0.920000f }, - {-0.890000f, 0.000000f, 0.890000f } -}; - -static const float type30_dequant[8] = { - -1.0f,-0.625f,-0.291666656732559f,0.0f, - 0.25f,0.5f,0.75f,1.0f, -}; - -static const float type34_delta[10] = { // FIXME: covers 8 entries.. - -1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f, - 0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f, -}; - -} // End of namespace Mohawk - -#endif diff --git a/engines/mohawk/video/qt_player.cpp b/engines/mohawk/video/qt_player.cpp deleted file mode 100644 index 0ed05bb84d..0000000000 --- a/engines/mohawk/video/qt_player.cpp +++ /dev/null @@ -1,1272 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -// -// Heavily based on ffmpeg code. -// -// Copyright (c) 2001 Fabrice Bellard. -// First version by Francois Revol revol@free.fr -// Seek function by Gael Chardon gael.dev@4now.net -// - -#include "mohawk/video/qt_player.h" - -#include "common/debug.h" -#include "common/endian.h" -#include "common/util.h" -#include "common/zlib.h" - -// Audio codecs -#include "sound/decoders/adpcm.h" -#include "sound/decoders/raw.h" -#include "mohawk/video/qdm2.h" - -// Video codecs -#include "mohawk/jpeg.h" -#include "mohawk/video/cinepak.h" -#include "mohawk/video/qtrle.h" -#include "mohawk/video/rpza.h" -#include "mohawk/video/smc.h" - -namespace Mohawk { - -//////////////////////////////////////////// -// QTPlayer -//////////////////////////////////////////// - -QTPlayer::QTPlayer() : Graphics::VideoDecoder() { - _audStream = NULL; - _beginOffset = 0; - _videoCodec = NULL; - _curFrame = -1; - _startTime = _nextFrameStartTime = 0; - _audHandle = Audio::SoundHandle(); - _numStreams = 0; - _fd = 0; - _scaledSurface = 0; - _dirtyPalette = false; -} - -QTPlayer::~QTPlayer() { - close(); -} - -uint16 QTPlayer::getWidth() const { - if (_videoStreamIndex < 0) - return 0; - - return _streams[_videoStreamIndex]->width / getScaleMode(); -} - -uint16 QTPlayer::getHeight() const { - if (_videoStreamIndex < 0) - return 0; - - return _streams[_videoStreamIndex]->height / getScaleMode(); -} - -uint32 QTPlayer::getFrameCount() const { - if (_videoStreamIndex < 0) - return 0; - - return _streams[_videoStreamIndex]->nb_frames; -} - -byte QTPlayer::getBitsPerPixel() { - if (_videoStreamIndex < 0) - return 0; - - return _streams[_videoStreamIndex]->bits_per_sample & 0x1F; -} - -uint32 QTPlayer::getCodecTag() { - if (_videoStreamIndex < 0) - return 0; - - return _streams[_videoStreamIndex]->codec_tag; -} - -ScaleMode QTPlayer::getScaleMode() const { - if (_videoStreamIndex < 0) - return kScaleNormal; - - return (ScaleMode)(_scaleMode * _streams[_videoStreamIndex]->scaleMode); -} - -uint32 QTPlayer::getFrameDuration() { - if (_videoStreamIndex < 0) - return 0; - - uint32 curFrameIndex = 0; - for (int32 i = 0; i < _streams[_videoStreamIndex]->stts_count; i++) { - curFrameIndex += _streams[_videoStreamIndex]->stts_data[i].count; - if ((uint32)_curFrame < curFrameIndex) { - // Ok, now we have what duration this frame has. - return _streams[_videoStreamIndex]->stts_data[i].duration; - } - } - - // This should never occur - error ("Cannot find duration for frame %d", _curFrame); - return 0; -} - -Graphics::PixelFormat QTPlayer::getPixelFormat() const { - if (!_videoCodec) - return Graphics::PixelFormat::createFormatCLUT8(); - - return _videoCodec->getPixelFormat(); -} - -void QTPlayer::rewind() { - delete _videoCodec; _videoCodec = NULL; - _curFrame = -1; - _startTime = _nextFrameStartTime = 0; - - // Restart the audio too - stopAudio(); - if (_audioStreamIndex >= 0) { - _curAudioChunk = 0; - _audStream = Audio::makeQueuingAudioStream(_streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels == 2); - } - startAudio(); -} - -Graphics::Codec *QTPlayer::createCodec(uint32 codecTag, byte bitsPerPixel) { - if (codecTag == MKID_BE('cvid')) { - // Cinepak: As used by most Myst and all Riven videos as well as some Myst ME videos. "The Chief" videos also use this. - return new CinepakDecoder(); - } else if (codecTag == MKID_BE('rpza')) { - // Apple Video ("Road Pizza"): Used by some Myst videos. - return new RPZADecoder(getWidth(), getHeight()); - } else if (codecTag == MKID_BE('rle ')) { - // QuickTime RLE: Used by some Myst ME videos. - return new QTRLEDecoder(getWidth(), getHeight(), bitsPerPixel); - } else if (codecTag == MKID_BE('smc ')) { - // Apple SMC: Used by some Myst videos. - return new SMCDecoder(getWidth(), getHeight()); - } else if (codecTag == MKID_BE('SVQ1')) { - // Sorenson Video 1: Used by some Myst ME videos. - warning ("Sorenson Video 1 not yet supported"); - } else if (codecTag == MKID_BE('SVQ3')) { - // Sorenson Video 3: Used by some Myst ME videos. - warning ("Sorenson Video 3 not yet supported"); - } else if (codecTag == MKID_BE('jpeg')) { - // Motion JPEG: Used by some Myst ME 10th Anniversary videos. - return new JPEGDecoder(true); - } else if (codecTag == MKID_BE('QkBk')) { - // CDToons: Used by most of the Broderbund games. This is an unknown format so far. - warning ("CDToons not yet supported"); - } else { - warning ("Unsupported codec \'%s\'", tag2str(codecTag)); - } - - return NULL; -} - -void QTPlayer::startAudio() { - if (_audStream) // No audio/audio not supported - g_system->getMixer()->playStream(Audio::Mixer::kPlainSoundType, &_audHandle, _audStream); -} - -void QTPlayer::stopAudio() { - if (_audStream) { - g_system->getMixer()->stopHandle(_audHandle); - _audStream = NULL; // the mixer automatically frees the stream - } -} - -void QTPlayer::pauseVideoIntern(bool pause) { - if (_audStream) - g_system->getMixer()->pauseHandle(_audHandle, pause); -} - -Graphics::Surface *QTPlayer::decodeNextFrame() { - if (!_videoCodec || _curFrame >= (int32)getFrameCount() - 1) - return NULL; - - if (_startTime == 0) - _startTime = g_system->getMillis(); - - _curFrame++; - _nextFrameStartTime += getFrameDuration(); - - Common::SeekableReadStream *frameData = getNextFramePacket(); - - if (frameData) { - Graphics::Surface *frame = _videoCodec->decodeImage(frameData); - delete frameData; - return scaleSurface(frame); - } - - return NULL; -} - -Graphics::Surface *QTPlayer::scaleSurface(Graphics::Surface *frame) { - if (getScaleMode() == kScaleNormal) - return frame; - - assert(_scaledSurface); - - for (uint32 j = 0; j < _scaledSurface->h; j++) - for (uint32 k = 0; k < _scaledSurface->w; k++) - memcpy(_scaledSurface->getBasePtr(k, j), frame->getBasePtr(k * getScaleMode(), j * getScaleMode()), frame->bytesPerPixel); - - return _scaledSurface; -} - -bool QTPlayer::endOfVideo() const { - return (!_audStream || _audStream->endOfData()) && (!_videoCodec || _curFrame >= (int32)getFrameCount() - 1); -} - -bool QTPlayer::needsUpdate() const { - return !endOfVideo() && getTimeToNextFrame() == 0; -} - -uint32 QTPlayer::getElapsedTime() const { - if (_audStream) - return g_system->getMixer()->getSoundElapsedTime(_audHandle); - - return g_system->getMillis() - _startTime; -} - -uint32 QTPlayer::getTimeToNextFrame() const { - if (endOfVideo() || _curFrame < 0) - return 0; - - // Convert from the Sega FILM base to 1000 - uint32 nextFrameStartTime = _nextFrameStartTime * 1000 / _streams[_videoStreamIndex]->time_scale; - uint32 elapsedTime = getElapsedTime(); - - if (nextFrameStartTime <= elapsedTime) - return 0; - - return nextFrameStartTime - elapsedTime; -} - -bool QTPlayer::load(Common::SeekableReadStream &stream) { - _fd = &stream; - _foundMOOV = _foundMDAT = false; - _numStreams = 0; - _partial = 0; - _videoStreamIndex = _audioStreamIndex = -1; - _startTime = 0; - - initParseTable(); - - MOVatom atom = { 0, 0, 0xffffffff }; - - if (readDefault(atom) < 0 || (!_foundMOOV && !_foundMDAT)) - return false; - - debug(0, "on_parse_exit_offset=%d", _fd->pos()); - - // some cleanup : make sure we are on the mdat atom - if((uint32)_fd->pos() != _mdatOffset) - _fd->seek(_mdatOffset, SEEK_SET); - - _next_chunk_offset = _mdatOffset; // initialise reading - - for (uint32 i = 0; i < _numStreams;) { - if (_streams[i]->codec_type == CODEC_TYPE_MOV_OTHER) {// not audio, not video, delete - delete _streams[i]; - for (uint32 j = i + 1; j < _numStreams; j++) - _streams[j - 1] = _streams[j]; - _numStreams--; - } else - i++; - } - - for (uint32 i = 0; i < _numStreams; i++) { - MOVStreamContext *sc = _streams[i]; - - if(!sc->time_rate) - sc->time_rate = 1; - - if(!sc->time_scale) - sc->time_scale = _timeScale; - - //av_set_pts_info(s->streams[i], 64, sc->time_rate, sc->time_scale); - - sc->duration /= sc->time_rate; - - sc->ffindex = i; - sc->is_ff_stream = 1; - - if (sc->codec_type == CODEC_TYPE_VIDEO && _videoStreamIndex < 0) - _videoStreamIndex = i; - else if (sc->codec_type == CODEC_TYPE_AUDIO && _audioStreamIndex < 0) - _audioStreamIndex = i; - } - - if (_audioStreamIndex >= 0 && checkAudioCodecSupport(_streams[_audioStreamIndex]->codec_tag)) { - _audStream = Audio::makeQueuingAudioStream(_streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels == 2); - _curAudioChunk = 0; - - // Make sure the bits per sample transfers to the sample size - if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ') || _streams[_audioStreamIndex]->codec_tag == MKID_BE('twos')) - _streams[_audioStreamIndex]->sample_size = (_streams[_audioStreamIndex]->bits_per_sample / 8) * _streams[_audioStreamIndex]->channels; - - startAudio(); - } - - if (_videoStreamIndex >= 0) { - _videoCodec = createCodec(getCodecTag(), getBitsPerPixel()); - - if (getScaleMode() != kScaleNormal) { - // We have to initialize the scaled surface - _scaledSurface = new Graphics::Surface(); - _scaledSurface->create(getWidth(), getHeight(), getPixelFormat().bytesPerPixel); - } - } - - return true; -} - -void QTPlayer::initParseTable() { - static const ParseTable p[] = { - { MKID_BE('dinf'), &QTPlayer::readDefault }, - { MKID_BE('dref'), &QTPlayer::readLeaf }, - { MKID_BE('edts'), &QTPlayer::readDefault }, - { MKID_BE('elst'), &QTPlayer::readELST }, - { MKID_BE('hdlr'), &QTPlayer::readHDLR }, - { MKID_BE('mdat'), &QTPlayer::readMDAT }, - { MKID_BE('mdhd'), &QTPlayer::readMDHD }, - { MKID_BE('mdia'), &QTPlayer::readDefault }, - { MKID_BE('minf'), &QTPlayer::readDefault }, - { MKID_BE('moov'), &QTPlayer::readMOOV }, - { MKID_BE('mvhd'), &QTPlayer::readMVHD }, - { MKID_BE('smhd'), &QTPlayer::readLeaf }, - { MKID_BE('stbl'), &QTPlayer::readDefault }, - { MKID_BE('stco'), &QTPlayer::readSTCO }, - { MKID_BE('stsc'), &QTPlayer::readSTSC }, - { MKID_BE('stsd'), &QTPlayer::readSTSD }, - { MKID_BE('stss'), &QTPlayer::readSTSS }, - { MKID_BE('stsz'), &QTPlayer::readSTSZ }, - { MKID_BE('stts'), &QTPlayer::readSTTS }, - { MKID_BE('tkhd'), &QTPlayer::readTKHD }, - { MKID_BE('trak'), &QTPlayer::readTRAK }, - { MKID_BE('udta'), &QTPlayer::readLeaf }, - { MKID_BE('vmhd'), &QTPlayer::readLeaf }, - { MKID_BE('cmov'), &QTPlayer::readCMOV }, - { MKID_BE('wave'), &QTPlayer::readWAVE }, - { 0, 0 } - }; - - _parseTable = p; -} - -int QTPlayer::readDefault(MOVatom atom) { - uint32 total_size = 0; - MOVatom a; - int err = 0; - - a.offset = atom.offset; - - while(((total_size + 8) < atom.size) && !_fd->eos() && !err) { - a.size = atom.size; - a.type = 0; - - if (atom.size >= 8) { - a.size = _fd->readUint32BE(); - a.type = _fd->readUint32BE(); - } - - total_size += 8; - a.offset += 8; - debug(4, "type: %08x %.4s sz: %x %x %x", a.type, tag2str(a.type), a.size, atom.size, total_size); - - if (a.size == 1) { // 64 bit extended size - warning("64 bit extended size is not supported in QuickTime"); - return -1; - } - - if (a.size == 0) { - a.size = atom.size - total_size; - if (a.size <= 8) - break; - } - - uint32 i = 0; - - for (; _parseTable[i].type != 0 && _parseTable[i].type != a.type; i++) - // empty; - - if (a.size < 8) - break; - - a.size -= 8; - - if (_parseTable[i].type == 0) { // skip leaf atoms data - debug(0, ">>> Skipped [%s]", tag2str(a.type)); - - _fd->seek(a.size, SEEK_CUR); - } else { - uint32 start_pos = _fd->pos(); - err = (this->*_parseTable[i].func)(a); - - uint32 left = a.size - _fd->pos() + start_pos; - - if (left > 0) // skip garbage at atom end - _fd->seek(left, SEEK_CUR); - } - - a.offset += a.size; - total_size += a.size; - } - - if (!err && total_size < atom.size) - _fd->seek(atom.size - total_size, SEEK_SET); - - return err; -} - -int QTPlayer::readLeaf(MOVatom atom) { - if (atom.size > 1) - _fd->seek(atom.size, SEEK_SET); - - return 0; -} - -int QTPlayer::readMOOV(MOVatom atom) { - if (readDefault(atom) < 0) - return -1; - - // we parsed the 'moov' atom, we can terminate the parsing as soon as we find the 'mdat' - // so we don't parse the whole file if over a network - _foundMOOV = true; - - if(_foundMDAT) - return 1; // found both, just go - - return 0; // now go for mdat -} - -int QTPlayer::readCMOV(MOVatom atom) { -#ifdef USE_ZLIB - // Read in the dcom atom - _fd->readUint32BE(); - if (_fd->readUint32BE() != MKID_BE('dcom')) - return -1; - if (_fd->readUint32BE() != MKID_BE('zlib')) { - warning("Unknown cmov compression type"); - return -1; - } - - // Read in the cmvd atom - uint32 compressedSize = _fd->readUint32BE() - 12; - if (_fd->readUint32BE() != MKID_BE('cmvd')) - return -1; - uint32 uncompressedSize = _fd->readUint32BE(); - - // Read in data - byte *compressedData = (byte *)malloc(compressedSize); - _fd->read(compressedData, compressedSize); - - // Create uncompressed stream - byte *uncompressedData = (byte *)malloc(uncompressedSize); - - // Uncompress the data - unsigned long dstLen = uncompressedSize; - if (!Common::uncompress(uncompressedData, &dstLen, compressedData, compressedSize)) { - warning ("Could not uncompress cmov chunk"); - return -1; - } - - // Load data into a new MemoryReadStream and assign _fd to be that - Common::SeekableReadStream *oldStream = _fd; - _fd = new Common::MemoryReadStream(uncompressedData, uncompressedSize, DisposeAfterUse::YES); - - // Read the contents of the uncompressed data - MOVatom a = { MKID_BE('moov'), 0, uncompressedSize }; - int err = readDefault(a); - - // Assign the file handle back to the original handle - free(compressedData); - delete _fd; - _fd = oldStream; - - return err; -#else - warning ("zlib not found, cannot read QuickTime cmov atom"); - return -1; -#endif -} - -int QTPlayer::readMVHD(MOVatom atom) { - byte version = _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - if (version == 1) { - warning("QuickTime version 1"); - _fd->readUint32BE(); _fd->readUint32BE(); - _fd->readUint32BE(); _fd->readUint32BE(); - } else { - _fd->readUint32BE(); // creation time - _fd->readUint32BE(); // modification time - } - - _timeScale = _fd->readUint32BE(); // time scale - debug(0, "time scale = %i\n", _timeScale); - - // duration - _duration = (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); - _fd->readUint32BE(); // preferred scale - - _fd->readUint16BE(); // preferred volume - - _fd->seek(10, SEEK_CUR); // reserved - - // We only need two values from the movie display matrix. Most of the values are just - // skipped. xMod and yMod are 16:16 fixed point numbers, the last part of the 3x3 matrix - // is 2:30. - uint32 xMod = _fd->readUint32BE(); - _fd->skip(12); - uint32 yMod = _fd->readUint32BE(); - _fd->skip(16); - - if (xMod != yMod) - error("X and Y resolution modifiers differ"); - - if (xMod == 0x8000) - _scaleMode = kScaleHalf; - else if (xMod == 0x4000) - _scaleMode = kScaleQuarter; - else - _scaleMode = kScaleNormal; - - debug(1, "readMVHD(): scaleMode = %d", (int)_scaleMode); - - _fd->readUint32BE(); // preview time - _fd->readUint32BE(); // preview duration - _fd->readUint32BE(); // poster time - _fd->readUint32BE(); // selection time - _fd->readUint32BE(); // selection duration - _fd->readUint32BE(); // current time - _fd->readUint32BE(); // next track ID - - return 0; -} - -int QTPlayer::readTRAK(MOVatom atom) { - MOVStreamContext *sc = new MOVStreamContext(); - - if (!sc) - return -1; - - sc->sample_to_chunk_index = -1; - sc->codec_type = CODEC_TYPE_MOV_OTHER; - sc->start_time = 0; // XXX: check - _streams[_numStreams++] = sc; - - return readDefault(atom); -} - -// this atom contains actual media data -int QTPlayer::readMDAT(MOVatom atom) { - if (atom.size == 0) // wrong one (MP4) - return 0; - - _foundMDAT = true; - - _mdatOffset = atom.offset; - _mdatSize = atom.size; - - if (_foundMOOV) - return 1; // found both, just go - - _fd->seek(atom.size, SEEK_CUR); - - return 0; // now go for moov -} - -int QTPlayer::readTKHD(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - byte version = _fd->readByte(); - - _fd->readByte(); _fd->readByte(); - _fd->readByte(); // flags - // - //MOV_TRACK_ENABLED 0x0001 - //MOV_TRACK_IN_MOVIE 0x0002 - //MOV_TRACK_IN_PREVIEW 0x0004 - //MOV_TRACK_IN_POSTER 0x0008 - // - - if (version == 1) { - _fd->readUint32BE(); _fd->readUint32BE(); - _fd->readUint32BE(); _fd->readUint32BE(); - } else { - _fd->readUint32BE(); // creation time - _fd->readUint32BE(); // modification time - } - - /* st->id = */_fd->readUint32BE(); // track id (NOT 0 !) - _fd->readUint32BE(); // reserved - //st->start_time = 0; // check - (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); // highlevel (considering edits) duration in movie timebase - _fd->readUint32BE(); // reserved - _fd->readUint32BE(); // reserved - - _fd->readUint16BE(); // layer - _fd->readUint16BE(); // alternate group - _fd->readUint16BE(); // volume - _fd->readUint16BE(); // reserved - - // We only need the two values from the displacement matrix for a track. - // See readMVHD() for more information. - uint32 xMod = _fd->readUint32BE(); - _fd->skip(12); - uint32 yMod = _fd->readUint32BE(); - _fd->skip(16); - - if (xMod != yMod) - error("X and Y resolution modifiers differ"); - - if (xMod == 0x8000) - st->scaleMode = kScaleHalf; - else if (xMod == 0x4000) - st->scaleMode = kScaleQuarter; - else - st->scaleMode = kScaleNormal; - - debug(1, "readTKHD(): scaleMode = %d", (int)_scaleMode); - - // these are fixed-point, 16:16 - // uint32 tkWidth = _fd->readUint32BE() >> 16; // track width - // uint32 tkHeight = _fd->readUint32BE() >> 16; // track height - - return 0; -} - -// edit list atom -int QTPlayer::readELST(MOVatom atom) { - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - uint32 editCount = _streams[_numStreams - 1]->edit_count = _fd->readUint32BE(); // entries - - for (uint32 i = 0; i < editCount; i++){ - _fd->readUint32BE(); // Track duration - _fd->readUint32BE(); // Media time - _fd->readUint32BE(); // Media rate - } - - debug(0, "track[%i].edit_count = %i", _numStreams - 1, _streams[_numStreams - 1]->edit_count); - - if (editCount != 1) - warning("Multiple edit list entries. Things may go awry"); - - return 0; -} - -int QTPlayer::readHDLR(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - // component type - uint32 ctype = _fd->readUint32LE(); - uint32 type = _fd->readUint32BE(); // component subtype - - debug(0, "ctype= %s (0x%08lx)", tag2str(ctype), (long)ctype); - debug(0, "stype= %s", tag2str(type)); - - if(ctype == MKID_BE('mhlr')) // MOV - debug(0, "MOV detected"); - else if(ctype == 0) { - warning("MP4 streams are not supported"); - return -1; - } - - if (type == MKID_BE('vide')) - st->codec_type = CODEC_TYPE_VIDEO; - else if (type == MKID_BE('soun')) - st->codec_type = CODEC_TYPE_AUDIO; - - _fd->readUint32BE(); // component manufacture - _fd->readUint32BE(); // component flags - _fd->readUint32BE(); // component flags mask - - if (atom.size <= 24) - return 0; // nothing left to read - - // .mov: PASCAL string - byte len = _fd->readByte(); - _fd->seek(len, SEEK_CUR); - - _fd->seek(atom.size - (_fd->pos() - atom.offset), SEEK_CUR); - - return 0; -} - -int QTPlayer::readMDHD(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - byte version = _fd->readByte(); - - if (version > 1) - return 1; // unsupported - - _fd->readByte(); _fd->readByte(); - _fd->readByte(); // flags - - if (version == 1) { - _fd->readUint32BE(); _fd->readUint32BE(); - _fd->readUint32BE(); _fd->readUint32BE(); - } else { - _fd->readUint32BE(); // creation time - _fd->readUint32BE(); // modification time - } - - st->time_scale = _fd->readUint32BE(); - st->duration = (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); // duration - - _fd->readUint16BE(); // language - _fd->readUint16BE(); // quality - - return 0; -} - -int QTPlayer::readSTSD(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - uint32 entries = _fd->readUint32BE(); - - while (entries--) { //Parsing Sample description table - MOVatom a = { 0, 0, 0 }; - uint32 start_pos = _fd->pos(); - int size = _fd->readUint32BE(); // size - uint32 format = _fd->readUint32BE(); // data format - - _fd->readUint32BE(); // reserved - _fd->readUint16BE(); // reserved - _fd->readUint16BE(); // index - - debug(0, "size=%d 4CC= %s codec_type=%d", size, tag2str(format), st->codec_type); - st->codec_tag = format; - - if (st->codec_type == CODEC_TYPE_VIDEO) { - debug(0, "Video Codec FourCC: \'%s\'", tag2str(format)); - - _fd->readUint16BE(); // version - _fd->readUint16BE(); // revision level - _fd->readUint32BE(); // vendor - _fd->readUint32BE(); // temporal quality - _fd->readUint32BE(); // spacial quality - - st->width = _fd->readUint16BE(); // width - st->height = _fd->readUint16BE(); // height - - _fd->readUint32BE(); // horiz resolution - _fd->readUint32BE(); // vert resolution - _fd->readUint32BE(); // data size, always 0 - uint16 frames_per_sample = _fd->readUint16BE(); // frames per samples - - debug(0, "frames/samples = %d", frames_per_sample); - - byte codec_name[32]; - _fd->read(codec_name, 32); // codec name, pascal string (FIXME: true for mp4?) - if (codec_name[0] <= 31) { - memcpy(st->codec_name, &codec_name[1], codec_name[0]); - st->codec_name[codec_name[0]] = 0; - } - - st->bits_per_sample = _fd->readUint16BE(); // depth - st->color_table_id = _fd->readUint16BE(); // colortable id - -// These are set in mov_read_stts and might already be set! -// st->codec->time_base.den = 25; -// st->codec->time_base.num = 1; - - - // figure out the palette situation - byte colorDepth = st->bits_per_sample & 0x1F; - bool colorGreyscale = (st->bits_per_sample & 0x20) != 0; - - debug(0, "color depth: %d", colorDepth); - - // if the depth is 2, 4, or 8 bpp, file is palettized - if (colorDepth == 2 || colorDepth == 4 || colorDepth == 8) { - _dirtyPalette = true; - - if (colorGreyscale) { - debug(0, "Greyscale palette"); - - // compute the greyscale palette - uint16 colorCount = 1 << colorDepth; - int16 colorIndex = 255; - byte colorDec = 256 / (colorCount - 1); - for (byte j = 0; j < colorCount; j++) { - _palette[j * 3] = _palette[j * 3 + 1] = _palette[j * 3 + 2] = colorIndex; - colorIndex -= colorDec; - if (colorIndex < 0) - colorIndex = 0; - } - } else if (st->color_table_id & 0x08) { - // if flag bit 3 is set, use the default palette - //uint16 colorCount = 1 << colorDepth; - - warning("Predefined palette! %dbpp", colorDepth); -#if 0 - byte *color_table; - byte r, g, b; - - if (colorDepth == 2) - color_table = ff_qt_default_palette_4; - else if (colorDepth == 4) - color_table = ff_qt_default_palette_16; - else - color_table = ff_qt_default_palette_256; - - for (byte j = 0; j < color_count; j++) { - r = color_table[j * 4 + 0]; - g = color_table[j * 4 + 1]; - b = color_table[j * 4 + 2]; - _palette_control.palette[j] = (r << 16) | (g << 8) | (b); - } -#endif - - } else { - debug(0, "Palette from file"); - - // load the palette from the file - uint32 colorStart = _fd->readUint32BE(); - /* uint16 colorCount = */ _fd->readUint16BE(); - uint16 colorEnd = _fd->readUint16BE(); - for (uint32 j = colorStart; j <= colorEnd; j++) { - // each R, G, or B component is 16 bits; - // only use the top 8 bits; skip alpha bytes - // up front - _fd->readByte(); - _fd->readByte(); - _palette[j * 3] = _fd->readByte(); - _fd->readByte(); - _palette[j * 3 + 1] = _fd->readByte(); - _fd->readByte(); - _palette[j * 3 + 2] = _fd->readByte(); - _fd->readByte(); - } - } - st->palettized = true; - } else - st->palettized = false; - } else if (st->codec_type == CODEC_TYPE_AUDIO) { - debug(0, "Audio Codec FourCC: \'%s\'", tag2str(format)); - - st->stsd_version = _fd->readUint16BE(); - _fd->readUint16BE(); // revision level - _fd->readUint32BE(); // vendor - - st->channels = _fd->readUint16BE(); // channel count - st->bits_per_sample = _fd->readUint16BE(); // sample size - // do we need to force to 16 for AMR ? - - // handle specific s8 codec - _fd->readUint16BE(); // compression id = 0 - _fd->readUint16BE(); // packet size = 0 - - st->sample_rate = (_fd->readUint32BE() >> 16); - - debug(0, "stsd version =%d", st->stsd_version); - if (st->stsd_version == 0) { - // Not used, except in special cases. See below. - st->samples_per_frame = st->bytes_per_frame = 0; - } else if (st->stsd_version == 1) { - // Read QT version 1 fields. In version 0 these dont exist. - st->samples_per_frame = _fd->readUint32BE(); - debug(0, "stsd samples_per_frame =%d", st->samples_per_frame); - _fd->readUint32BE(); // bytes per packet - st->bytes_per_frame = _fd->readUint32BE(); - debug(0, "stsd bytes_per_frame =%d", st->bytes_per_frame); - _fd->readUint32BE(); // bytes per sample - } else { - warning("Unsupported QuickTime STSD audio version %d", st->stsd_version); - return 1; - } - - // Version 0 videos (such as the Riven ones) don't have this set, - // but we need it later on. Add it in here. - if (format == MKID_BE('ima4')) { - st->samples_per_frame = 64; - st->bytes_per_frame = 34 * st->channels; - } - } else { - // other codec type, just skip (rtp, mp4s, tmcd ...) - _fd->seek(size - (_fd->pos() - start_pos), SEEK_CUR); - } - - // this will read extra atoms at the end (wave, alac, damr, avcC, SMI ...) - a.size = size - (_fd->pos() - start_pos); - if (a.size > 8) - readDefault(a); - else if (a.size > 0) - _fd->seek(a.size, SEEK_CUR); - } - - if (st->codec_type == CODEC_TYPE_AUDIO && st->sample_rate == 0 && st->time_scale > 1) - st->sample_rate= st->time_scale; - - return 0; -} - -int QTPlayer::readSTSC(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->sample_to_chunk_sz = _fd->readUint32BE(); - - debug(0, "track[%i].stsc.entries = %i", _numStreams - 1, st->sample_to_chunk_sz); - - st->sample_to_chunk = new MOVstsc[st->sample_to_chunk_sz]; - - if (!st->sample_to_chunk) - return -1; - - for (uint32 i = 0; i < st->sample_to_chunk_sz; i++) { - st->sample_to_chunk[i].first = _fd->readUint32BE(); - st->sample_to_chunk[i].count = _fd->readUint32BE(); - st->sample_to_chunk[i].id = _fd->readUint32BE(); - //printf ("Sample to Chunk[%d]: First = %d, Count = %d\n", i, st->sample_to_chunk[i].first, st->sample_to_chunk[i].count); - } - - return 0; -} - -int QTPlayer::readSTSS(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->keyframe_count = _fd->readUint32BE(); - - debug(0, "keyframe_count = %d", st->keyframe_count); - - st->keyframes = new uint32[st->keyframe_count]; - - if (!st->keyframes) - return -1; - - for (uint32 i = 0; i < st->keyframe_count; i++) { - st->keyframes[i] = _fd->readUint32BE(); - debug(6, "keyframes[%d] = %d", i, st->keyframes[i]); - - } - return 0; -} - -int QTPlayer::readSTSZ(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->sample_size = _fd->readUint32BE(); - st->sample_count = _fd->readUint32BE(); - - debug(5, "sample_size = %d sample_count = %d", st->sample_size, st->sample_count); - - if (st->sample_size) - return 0; // there isn't any table following - - st->sample_sizes = new uint32[st->sample_count]; - - if (!st->sample_sizes) - return -1; - - for(uint32 i = 0; i < st->sample_count; i++) { - st->sample_sizes[i] = _fd->readUint32BE(); - debug(6, "sample_sizes[%d] = %d", i, st->sample_sizes[i]); - } - - return 0; -} - -static uint32 ff_gcd(uint32 a, uint32 b) { - if(b) return ff_gcd(b, a%b); - else return a; -} - -int QTPlayer::readSTTS(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - uint32 duration = 0; - uint32 total_sample_count = 0; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->stts_count = _fd->readUint32BE(); - st->stts_data = new MOVstts[st->stts_count]; - - debug(0, "track[%i].stts.entries = %i", _numStreams - 1, st->stts_count); - - st->time_rate = 0; - - for (int32 i = 0; i < st->stts_count; i++) { - int sample_duration; - int sample_count; - - sample_count = _fd->readUint32BE(); - sample_duration = _fd->readUint32BE(); - st->stts_data[i].count = sample_count; - st->stts_data[i].duration = sample_duration; - - st->time_rate = ff_gcd(st->time_rate, sample_duration); - - debug(0, "sample_count=%d, sample_duration=%d", sample_count, sample_duration); - - duration += sample_duration * sample_count; - total_sample_count += sample_count; - } - - st->nb_frames = total_sample_count; - - if (duration) - st->duration = duration; - - return 0; -} - -int QTPlayer::readSTCO(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->chunk_count = _fd->readUint32BE(); - st->chunk_offsets = new uint32[st->chunk_count]; - - if (!st->chunk_offsets) - return -1; - - for (uint32 i = 0; i < st->chunk_count; i++) { - // WORKAROUND/HACK: The offsets in Riven videos (ones inside the Mohawk archives themselves) - // have offsets relative to the archive and not the video. This is quite nasty. We subtract - // the initial offset of the stream to get the correct value inside of the stream. - st->chunk_offsets[i] = _fd->readUint32BE() - _beginOffset; - } - - for (uint32 i = 0; i < _numStreams; i++) { - MOVStreamContext *sc2 = _streams[i]; - - if(sc2 && sc2->chunk_offsets){ - uint32 first = sc2->chunk_offsets[0]; - uint32 last = sc2->chunk_offsets[sc2->chunk_count - 1]; - - if(first >= st->chunk_offsets[st->chunk_count - 1] || last <= st->chunk_offsets[0]) - _ni = 1; - } - } - - return 0; -} - -int QTPlayer::readWAVE(MOVatom atom) { - if (_numStreams < 1) - return 0; - - MOVStreamContext *st = _streams[_numStreams - 1]; - - if (atom.size > (1 << 30)) - return -1; - - if (st->codec_tag == MKID_BE('QDM2')) // Read extradata for QDM2 - st->extradata = _fd->readStream(atom.size - 8); - else if (atom.size > 8) - return readDefault(atom); - else - _fd->skip(atom.size); - - return 0; -} - -void QTPlayer::close() { - stopAudio(); - - delete _videoCodec; _videoCodec = 0; - - for (uint32 i = 0; i < _numStreams; i++) - delete _streams[i]; - - delete _fd; - - if (_scaledSurface) { - _scaledSurface->free(); - delete _scaledSurface; - _scaledSurface = 0; - } - - // The audio stream is deleted automatically - _audStream = NULL; - - Graphics::VideoDecoder::reset(); -} - -Common::SeekableReadStream *QTPlayer::getNextFramePacket() { - if (_videoStreamIndex < 0) - return NULL; - - // First, we have to track down which chunk holds the sample and which sample in the chunk contains the frame we are looking for. - int32 totalSampleCount = 0; - int32 sampleInChunk = 0; - int32 actualChunk = -1; - - for (uint32 i = 0; i < _streams[_videoStreamIndex]->chunk_count; i++) { - int32 sampleToChunkIndex = -1; - - for (uint32 j = 0; j < _streams[_videoStreamIndex]->sample_to_chunk_sz; j++) - if (i >= _streams[_videoStreamIndex]->sample_to_chunk[j].first - 1) - sampleToChunkIndex = j; - - if (sampleToChunkIndex < 0) - error("This chunk (%d) is imaginary", sampleToChunkIndex); - - totalSampleCount += _streams[_videoStreamIndex]->sample_to_chunk[sampleToChunkIndex].count; - - if (totalSampleCount > getCurFrame()) { - actualChunk = i; - sampleInChunk = _streams[_videoStreamIndex]->sample_to_chunk[sampleToChunkIndex].count - totalSampleCount + getCurFrame(); - break; - } - } - - if (actualChunk < 0) { - warning ("Could not find data for frame %d", getCurFrame()); - return NULL; - } - - // Next seek to that frame - _fd->seek(_streams[_videoStreamIndex]->chunk_offsets[actualChunk]); - - // Then, if the chunk holds more than one frame, seek to where the frame we want is located - for (int32 i = getCurFrame() - sampleInChunk; i < getCurFrame(); i++) { - if (_streams[_videoStreamIndex]->sample_size != 0) - _fd->skip(_streams[_videoStreamIndex]->sample_size); - else - _fd->skip(_streams[_videoStreamIndex]->sample_sizes[i]); - } - - // Finally, read in the raw data for the frame - //printf ("Frame Data[%d]: Offset = %d, Size = %d\n", getCurFrame(), _fd->pos(), _streams[_videoStreamIndex]->sample_sizes[getCurFrame()]); - - if (_streams[_videoStreamIndex]->sample_size != 0) - return _fd->readStream(_streams[_videoStreamIndex]->sample_size); - - return _fd->readStream(_streams[_videoStreamIndex]->sample_sizes[getCurFrame()]); -} - -bool QTPlayer::checkAudioCodecSupport(uint32 tag) { - // Check if the codec is a supported codec - if (tag == MKID_BE('twos') || tag == MKID_BE('raw ') || tag == MKID_BE('ima4') || tag == MKID_BE('QDM2')) - return true; - - warning("Audio Codec Not Supported: \'%s\'", tag2str(tag)); - - return false; -} - -Audio::AudioStream *QTPlayer::createAudioStream(Common::SeekableReadStream *stream) { - if (!stream || _audioStreamIndex < 0) - return NULL; - - if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('twos') || _streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ')) { - // Fortunately, most of the audio used in Myst videos is raw... - uint16 flags = 0; - if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ')) - flags |= Audio::FLAG_UNSIGNED; - if (_streams[_audioStreamIndex]->channels == 2) - flags |= Audio::FLAG_STEREO; - if (_streams[_audioStreamIndex]->bits_per_sample == 16) - flags |= Audio::FLAG_16BITS; - uint32 dataSize = stream->size(); - byte *data = (byte *)malloc(dataSize); - stream->read(data, dataSize); - delete stream; - return Audio::makeRawStream(data, dataSize, _streams[_audioStreamIndex]->sample_rate, flags); - } else if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('ima4')) { - // Riven uses this codec (as do some Myst ME videos) - return Audio::makeADPCMStream(stream, DisposeAfterUse::YES, stream->size(), Audio::kADPCMApple, _streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels, 34); - } else if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('QDM2')) { - // Several Myst ME videos use this codec - return new QDM2Stream(stream, _streams[_audioStreamIndex]->extradata); - } - - error("Unsupported audio codec"); - - return NULL; -} - -void QTPlayer::updateAudioBuffer() { - if (!_audStream) - return; - - // Keep two streams in buffer so that when the first ends, it goes right into the next - for (; _audStream->numQueuedStreams() < 2 && _curAudioChunk < _streams[_audioStreamIndex]->chunk_count; _curAudioChunk++) { - Common::MemoryWriteStreamDynamic *wStream = new Common::MemoryWriteStreamDynamic(); - - _fd->seek(_streams[_audioStreamIndex]->chunk_offsets[_curAudioChunk]); - - // First, we have to get the sample count - uint32 sampleCount = 0; - for (uint32 j = 0; j < _streams[_audioStreamIndex]->sample_to_chunk_sz; j++) - if (_curAudioChunk >= (_streams[_audioStreamIndex]->sample_to_chunk[j].first - 1)) - sampleCount = _streams[_audioStreamIndex]->sample_to_chunk[j].count; - assert(sampleCount); - - // Then calculate the right sizes - while (sampleCount > 0) { - uint32 samples = 0, size = 0; - - if (_streams[_audioStreamIndex]->samples_per_frame >= 160) { - samples = _streams[_audioStreamIndex]->samples_per_frame; - size = _streams[_audioStreamIndex]->bytes_per_frame; - } else if (_streams[_audioStreamIndex]->samples_per_frame > 1) { - samples = MIN<uint32>((1024 / _streams[_audioStreamIndex]->samples_per_frame) * _streams[_audioStreamIndex]->samples_per_frame, sampleCount); - size = (samples / _streams[_audioStreamIndex]->samples_per_frame) * _streams[_audioStreamIndex]->bytes_per_frame; - } else { - samples = MIN<uint32>(1024, sampleCount); - size = samples * _streams[_audioStreamIndex]->sample_size; - } - - // Now, we read in the data for this data and output it - byte *data = (byte *)malloc(size); - _fd->read(data, size); - wStream->write(data, size); - free(data); - sampleCount -= samples; - } - - // Now queue the buffer - _audStream->queueAudioStream(createAudioStream(new Common::MemoryReadStream(wStream->getData(), wStream->size(), DisposeAfterUse::YES))); - delete wStream; - } -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/video/qt_player.h b/engines/mohawk/video/qt_player.h deleted file mode 100644 index 6657d3edba..0000000000 --- a/engines/mohawk/video/qt_player.h +++ /dev/null @@ -1,282 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -// -// Heavily based on ffmpeg code. -// -// Copyright (c) 2001 Fabrice Bellard. -// First version by Francois Revol revol@free.fr -// Seek function by Gael Chardon gael.dev@4now.net -// - -#ifndef MOHAWK_QT_PLAYER_H -#define MOHAWK_QT_PLAYER_H - -#include "common/scummsys.h" -#include "common/queue.h" - -#include "graphics/video/video_decoder.h" -#include "graphics/video/codecs/codec.h" - -#include "sound/audiostream.h" -#include "sound/mixer.h" - -namespace Common { - class File; -} - -namespace Mohawk { - -enum ScaleMode { - kScaleNormal = 1, - kScaleHalf = 2, - kScaleQuarter = 4 -}; - -class QTPlayer : public Graphics::RewindableVideoDecoder { -public: - QTPlayer(); - virtual ~QTPlayer(); - - /** - * Returns the width of the video - * @return the width of the video - */ - uint16 getWidth() const; - - /** - * Returns the height of the video - * @return the height of the video - */ - uint16 getHeight() const; - - /** - * Returns the amount of frames in the video - * @return the amount of frames in the video - */ - uint32 getFrameCount() const; - - /** - * Load a QuickTime video file from a SeekableReadStream - * @param stream the stream to load - */ - bool load(Common::SeekableReadStream &stream); - - /** - * Close a QuickTime encoded video file - */ - void close(); - - /** - * Returns the palette of the video - * @return the palette of the video - */ - byte *getPalette() { _dirtyPalette = false; return _palette; } - bool hasDirtyPalette() const { return _dirtyPalette; } - - /** - * Set the beginning offset of the video so we can modify the offsets in the stco - * atom of videos inside the Mohawk archives - * @param the beginning offset of the video - */ - void setChunkBeginOffset(uint32 offset) { _beginOffset = offset; } - - bool isVideoLoaded() const { return _fd != 0; } - Graphics::Surface *decodeNextFrame(); - bool needsUpdate() const; - bool endOfVideo() const; - uint32 getElapsedTime() const; - uint32 getTimeToNextFrame() const; - Graphics::PixelFormat getPixelFormat() const; - - // RewindableVideoDecoder API - void rewind(); - - // TODO: This audio function need to be removed from the public and/or added to - // the VideoDecoder API directly. I plan on replacing this function with something - // that can figure out how much audio is needed instead of constantly keeping two - // chunks in memory. - void updateAudioBuffer(); - -protected: - // This is the file handle from which data is read from. It can be the actual file handle or a decompressed stream. - Common::SeekableReadStream *_fd; - - struct MOVatom { - uint32 type; - uint32 offset; - uint32 size; - }; - - struct ParseTable { - uint32 type; - int (QTPlayer::*func)(MOVatom atom); - }; - - struct MOVstts { - int count; - int duration; - }; - - struct MOVstsc { - uint32 first; - uint32 count; - uint32 id; - }; - - enum CodecType { - CODEC_TYPE_MOV_OTHER, - CODEC_TYPE_VIDEO, - CODEC_TYPE_AUDIO - }; - - struct MOVStreamContext { - MOVStreamContext() { memset(this, 0, sizeof(MOVStreamContext)); } - ~MOVStreamContext() { - delete[] chunk_offsets; - delete[] stts_data; - delete[] ctts_data; - delete[] sample_to_chunk; - delete[] sample_sizes; - delete[] keyframes; - delete extradata; - } - - int ffindex; /* the ffmpeg stream id */ - int is_ff_stream; /* Is this stream presented to ffmpeg ? i.e. is this an audio or video stream ? */ - uint32 next_chunk; - uint32 chunk_count; - uint32 *chunk_offsets; - int stts_count; - MOVstts *stts_data; - int ctts_count; - MOVstts *ctts_data; - int edit_count; /* number of 'edit' (elst atom) */ - uint32 sample_to_chunk_sz; - MOVstsc *sample_to_chunk; - int32 sample_to_chunk_index; - int sample_to_time_index; - uint32 sample_to_time_sample; - uint32 sample_to_time_time; - int sample_to_ctime_index; - int sample_to_ctime_sample; - uint32 sample_size; - uint32 sample_count; - uint32 *sample_sizes; - uint32 keyframe_count; - uint32 *keyframes; - int32 time_scale; - int time_rate; - uint32 current_sample; - uint32 left_in_chunk; /* how many samples before next chunk */ - - uint16 width; - uint16 height; - int codec_type; - uint32 codec_tag; - char codec_name[32]; - uint16 bits_per_sample; - uint16 color_table_id; - bool palettized; - Common::SeekableReadStream *extradata; - - uint16 stsd_version; - uint16 channels; - uint16 sample_rate; - uint32 samples_per_frame; - uint32 bytes_per_frame; - - uint32 nb_frames; - uint32 duration; - uint32 start_time; - ScaleMode scaleMode; - }; - - const ParseTable *_parseTable; - bool _foundMOOV; - bool _foundMDAT; - uint32 _timeScale; - uint32 _duration; - uint32 _mdatOffset; - uint32 _mdatSize; - uint32 _next_chunk_offset; - MOVStreamContext *_partial; - uint32 _numStreams; - int _ni; - ScaleMode _scaleMode; - MOVStreamContext *_streams[20]; - byte _palette[256 * 3]; - bool _dirtyPalette; - uint32 _beginOffset; - - void initParseTable(); - Audio::AudioStream *createAudioStream(Common::SeekableReadStream *stream); - bool checkAudioCodecSupport(uint32 tag); - Common::SeekableReadStream *getNextFramePacket(); - uint32 getFrameDuration(); - uint32 getCodecTag(); - byte getBitsPerPixel(); - - Audio::QueuingAudioStream *_audStream; - void startAudio(); - void stopAudio(); - int8 _audioStreamIndex; - uint _curAudioChunk; - Audio::SoundHandle _audHandle; - - Graphics::Codec *createCodec(uint32 codecTag, byte bitsPerPixel); - Graphics::Codec *_videoCodec; - uint32 _nextFrameStartTime; - int8 _videoStreamIndex; - - Graphics::Surface *_scaledSurface; - Graphics::Surface *scaleSurface(Graphics::Surface *frame); - ScaleMode getScaleMode() const; - - void pauseVideoIntern(bool pause); - - int readDefault(MOVatom atom); - int readLeaf(MOVatom atom); - int readELST(MOVatom atom); - int readHDLR(MOVatom atom); - int readMDAT(MOVatom atom); - int readMDHD(MOVatom atom); - int readMOOV(MOVatom atom); - int readMVHD(MOVatom atom); - int readTKHD(MOVatom atom); - int readTRAK(MOVatom atom); - int readSTCO(MOVatom atom); - int readSTSC(MOVatom atom); - int readSTSD(MOVatom atom); - int readSTSS(MOVatom atom); - int readSTSZ(MOVatom atom); - int readSTTS(MOVatom atom); - int readCMOV(MOVatom atom); - int readWAVE(MOVatom atom); -}; - -} // End of namespace Mohawk - -#endif diff --git a/engines/mohawk/video/qtrle.cpp b/engines/mohawk/video/qtrle.cpp deleted file mode 100644 index c06dbefcb3..0000000000 --- a/engines/mohawk/video/qtrle.cpp +++ /dev/null @@ -1,420 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -// QuickTime RLE Decoder -// Based off ffmpeg's QuickTime RLE decoder (written by Mike Melanson) - -#include "mohawk/video/qtrle.h" - -#include "common/scummsys.h" -#include "common/stream.h" -#include "common/system.h" -#include "graphics/colormasks.h" -#include "graphics/surface.h" - -namespace Mohawk { - -QTRLEDecoder::QTRLEDecoder(uint16 width, uint16 height, byte bitsPerPixel) : Graphics::Codec() { - _bitsPerPixel = bitsPerPixel; - _pixelFormat = g_system->getScreenFormat(); - - // We need to increase the surface size to a multiple of 4 - uint16 wMod = width % 4; - if(wMod != 0) - width += 4 - wMod; - - debug(2, "QTRLE corrected width: %d", width); - - _surface = new Graphics::Surface(); - _surface->create(width, height, _bitsPerPixel <= 8 ? 1 : _pixelFormat.bytesPerPixel); -} - -#define CHECK_STREAM_PTR(n) \ - if ((stream->pos() + n) > stream->size()) { \ - warning ("Problem: stream out of bounds (%d >= %d)", stream->pos() + n, stream->size()); \ - return; \ - } - -#define CHECK_PIXEL_PTR(n) \ - if ((int32)pixelPtr + n > _surface->w * _surface->h) { \ - warning ("Problem: pixel ptr = %d, pixel limit = %d", pixelPtr + n, _surface->w * _surface->h); \ - return; \ - } \ - -void QTRLEDecoder::decode1(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange) { - uint32 pixelPtr = 0; - byte *rgb = (byte *)_surface->pixels; - - while (linesToChange) { - CHECK_STREAM_PTR(2); - byte skip = stream->readByte(); - int8 rleCode = stream->readSByte(); - - if (rleCode == 0) - break; - - if (skip & 0x80) { - linesToChange--; - rowPtr += _surface->w; - pixelPtr = rowPtr + 2 * (skip & 0x7f); - } else - pixelPtr += 2 * skip; - - if (rleCode < 0) { - // decode the run length code - rleCode = -rleCode; - // get the next 2 bytes from the stream, treat them as groups of 8 pixels, and output them rleCode times */ - CHECK_STREAM_PTR(2); - byte pi0 = stream->readByte(); - byte pi1 = stream->readByte(); - CHECK_PIXEL_PTR(rleCode * 2); - - while (rleCode--) { - rgb[pixelPtr++] = pi0; - rgb[pixelPtr++] = pi1; - } - } else { - // copy the same pixel directly to output 2 times - rleCode *= 2; - CHECK_STREAM_PTR(rleCode); - CHECK_PIXEL_PTR(rleCode); - - while (rleCode--) - rgb[pixelPtr++] = stream->readByte(); - } - } -} - -void QTRLEDecoder::decode2_4(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange, byte bpp) { - uint32 pixelPtr = 0; - byte *rgb = (byte *)_surface->pixels; - byte numPixels = (bpp == 4) ? 8 : 16; - - while (linesToChange--) { - CHECK_STREAM_PTR(2); - pixelPtr = rowPtr + (numPixels * (stream->readByte() - 1)); - - for (int8 rleCode = stream->readSByte(); rleCode != -1; rleCode = stream->readSByte()) { - if (rleCode == 0) { - // there's another skip code in the stream - CHECK_STREAM_PTR(1); - pixelPtr += (numPixels * (stream->readByte() - 1)); - } else if (rleCode < 0) { - // decode the run length code - rleCode = -rleCode; - - // get the next 4 bytes from the stream, treat them as palette indices, and output them rleCode times */ - CHECK_STREAM_PTR(4); - - byte pi[16]; // 16 palette indices - - for (int8 i = numPixels - 1; i >= 0; i--) { - pi[numPixels - 1 - i] = (stream->readByte() >> ((i * bpp) & 0x07)) & ((1 << bpp) - 1); - - // FIXME: Is this right? - //stream_ptr += ((i & ((num_pixels>>2)-1)) == 0); - if ((i & ((numPixels >> 2) - 1)) == 0) - stream->readByte(); - } - - CHECK_PIXEL_PTR(rleCode * numPixels); - - while (rleCode--) - for (byte i = 0; i < numPixels; i++) - rgb[pixelPtr++] = pi[i]; - } else { - // copy the same pixel directly to output 4 times - rleCode *= 4; - CHECK_STREAM_PTR(rleCode); - CHECK_PIXEL_PTR(rleCode * (numPixels >> 2)); - - while (rleCode--) { - byte temp = stream->readByte(); - if (bpp == 4) { - rgb[pixelPtr++] = (temp >> 4) & 0x0f; - rgb[pixelPtr++] = temp & 0x0f; - } else { - rgb[pixelPtr++] = (temp >> 6) & 0x03; - rgb[pixelPtr++] = (temp >> 4) & 0x03; - rgb[pixelPtr++] = (temp >> 2) & 0x03; - rgb[pixelPtr++] = temp & 0x03; - } - } - } - } - - rowPtr += _surface->w; - } -} - -void QTRLEDecoder::decode8(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange) { - uint32 pixelPtr = 0; - byte *rgb = (byte *)_surface->pixels; - - while (linesToChange--) { - CHECK_STREAM_PTR(2); - pixelPtr = rowPtr + 4 * (stream->readByte() - 1); - - for (int8 rleCode = stream->readSByte(); rleCode != -1; rleCode = stream->readSByte()) { - if (rleCode == 0) { - // there's another skip code in the stream - CHECK_STREAM_PTR(1); - pixelPtr += 4 * (stream->readByte() - 1); - } else if (rleCode < 0) { - // decode the run length code - rleCode = -rleCode; - - // get the next 4 bytes from the stream, treat them as palette indices, and output them rleCode times - CHECK_STREAM_PTR(4); - - byte pi[4]; // 4 palette indexes - - for (byte i = 0; i < 4; i++) - pi[i] = stream->readByte(); - - CHECK_PIXEL_PTR(rleCode * 4); - - while (rleCode--) - for (byte i = 0; i < 4; i++) - rgb[pixelPtr++] = pi[i]; - } else { - // copy the same pixel directly to output 4 times - rleCode *= 4; - CHECK_STREAM_PTR(rleCode); - CHECK_PIXEL_PTR(rleCode); - - while (rleCode--) - rgb[pixelPtr++] = stream->readByte(); - } - } - - rowPtr += _surface->w; - } -} - -void QTRLEDecoder::decode16(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange) { - uint32 pixelPtr = 0; - OverlayColor *rgb = (OverlayColor *)_surface->pixels; - - while (linesToChange--) { - CHECK_STREAM_PTR(2); - pixelPtr = rowPtr + stream->readByte() - 1; - - for (int8 rleCode = stream->readSByte(); rleCode != -1; rleCode = stream->readSByte()) { - if (rleCode == 0) { - // there's another skip code in the stream - CHECK_STREAM_PTR(1); - pixelPtr += stream->readByte() - 1; - } else if (rleCode < 0) { - // decode the run length code - rleCode = -rleCode; - CHECK_STREAM_PTR(2); - - uint16 rgb16 = stream->readUint16BE(); - - CHECK_PIXEL_PTR(rleCode); - - while (rleCode--) { - // Convert from RGB555 to the format specified by the Overlay - byte r = 0, g = 0, b = 0; - Graphics::colorToRGB<Graphics::ColorMasks<555> >(rgb16, r, g, b); - rgb[pixelPtr++] = _pixelFormat.RGBToColor(r, g, b); - } - } else { - CHECK_STREAM_PTR(rleCode * 2); - CHECK_PIXEL_PTR(rleCode); - - // copy pixels directly to output - while (rleCode--) { - uint16 rgb16 = stream->readUint16BE(); - - // Convert from RGB555 to the format specified by the Overlay - byte r = 0, g = 0, b = 0; - Graphics::colorToRGB<Graphics::ColorMasks<555> >(rgb16, r, g, b); - rgb[pixelPtr++] = _pixelFormat.RGBToColor(r, g, b); - } - } - } - - rowPtr += _surface->w; - } -} - -void QTRLEDecoder::decode24(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange) { - uint32 pixelPtr = 0; - OverlayColor *rgb = (OverlayColor *)_surface->pixels; - - while (linesToChange--) { - CHECK_STREAM_PTR(2); - pixelPtr = rowPtr + stream->readByte() - 1; - - for (int8 rleCode = stream->readSByte(); rleCode != -1; rleCode = stream->readSByte()) { - if (rleCode == 0) { - // there's another skip code in the stream - CHECK_STREAM_PTR(1); - pixelPtr += stream->readByte() - 1; - } else if (rleCode < 0) { - // decode the run length code - rleCode = -rleCode; - - CHECK_STREAM_PTR(3); - - byte r = stream->readByte(); - byte g = stream->readByte(); - byte b = stream->readByte(); - - CHECK_PIXEL_PTR(rleCode); - - while (rleCode--) - rgb[pixelPtr++] = _pixelFormat.RGBToColor(r, g, b); - } else { - CHECK_STREAM_PTR(rleCode * 3); - CHECK_PIXEL_PTR(rleCode); - - // copy pixels directly to output - while (rleCode--) { - byte r = stream->readByte(); - byte g = stream->readByte(); - byte b = stream->readByte(); - rgb[pixelPtr++] = _pixelFormat.RGBToColor(r, g, b); - } - } - } - - rowPtr += _surface->w; - } -} - -void QTRLEDecoder::decode32(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange) { - uint32 pixelPtr = 0; - OverlayColor *rgb = (OverlayColor *)_surface->pixels; - - while (linesToChange--) { - CHECK_STREAM_PTR(2); - pixelPtr = rowPtr + stream->readByte() - 1; - - for (int8 rleCode = stream->readSByte(); rleCode != -1; rleCode = stream->readSByte()) { - if (rleCode == 0) { - // there's another skip code in the stream - CHECK_STREAM_PTR(1); - pixelPtr += stream->readByte() - 1; - } else if (rleCode < 0) { - // decode the run length code - rleCode = -rleCode; - - CHECK_STREAM_PTR(4); - - byte a = stream->readByte(); - byte r = stream->readByte(); - byte g = stream->readByte(); - byte b = stream->readByte(); - - CHECK_PIXEL_PTR(rleCode); - - while (rleCode--) - rgb[pixelPtr++] = _pixelFormat.ARGBToColor(a, r, g, b); - } else { - CHECK_STREAM_PTR(rleCode * 4); - CHECK_PIXEL_PTR(rleCode); - - // copy pixels directly to output - while (rleCode--) { - byte a = stream->readByte(); - byte r = stream->readByte(); - byte g = stream->readByte(); - byte b = stream->readByte(); - rgb[pixelPtr++] = _pixelFormat.ARGBToColor(a, r, g, b); - } - } - } - - rowPtr += _surface->w; - } -} - -Graphics::Surface *QTRLEDecoder::decodeImage(Common::SeekableReadStream *stream) { - uint16 start_line = 0; - uint16 height = _surface->h; - - // check if this frame is even supposed to change - if (stream->size() < 8) - return _surface; - - // start after the chunk size - stream->readUint32BE(); - - // fetch the header - uint16 header = stream->readUint16BE(); - - // if a header is present, fetch additional decoding parameters - if (header & 8) { - if(stream->size() < 14) - return _surface; - start_line = stream->readUint16BE(); - stream->readUint16BE(); // Unknown - height = stream->readUint16BE(); - stream->readUint16BE(); // Unknown - } - - uint32 row_ptr = _surface->w * start_line; - - switch (_bitsPerPixel) { - case 1: - case 33: - decode1(stream, row_ptr, height); - break; - case 2: - case 34: - decode2_4(stream, row_ptr, height, 2); - break; - case 4: - case 36: - decode2_4(stream, row_ptr, height, 4); - break; - case 8: - case 40: - decode8(stream, row_ptr, height); - break; - case 16: - decode16(stream, row_ptr, height); - break; - case 24: - decode24(stream, row_ptr, height); - break; - case 32: - decode32(stream, row_ptr, height); - break; - default: - error ("Unsupported bits per pixel %d", _bitsPerPixel); - } - - return _surface; -} - -QTRLEDecoder::~QTRLEDecoder() { - _surface->free(); -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/video/qtrle.h b/engines/mohawk/video/qtrle.h deleted file mode 100644 index 2832bd6b24..0000000000 --- a/engines/mohawk/video/qtrle.h +++ /dev/null @@ -1,58 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef MOHAWK_QTRLE_H -#define MOHAWK_QTRLE_H - -#include "graphics/pixelformat.h" -#include "graphics/video/codecs/codec.h" - -namespace Mohawk { - -class QTRLEDecoder : public Graphics::Codec { -public: - QTRLEDecoder(uint16 width, uint16 height, byte bitsPerPixel); - ~QTRLEDecoder(); - - Graphics::Surface *decodeImage(Common::SeekableReadStream *stream); - Graphics::PixelFormat getPixelFormat() const { return _pixelFormat; } - -private: - byte _bitsPerPixel; - - Graphics::Surface *_surface; - Graphics::PixelFormat _pixelFormat; - - void decode1(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange); - void decode2_4(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange, byte bpp); - void decode8(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange); - void decode16(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange); - void decode24(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange); - void decode32(Common::SeekableReadStream *stream, uint32 rowPtr, uint32 linesToChange); -}; - -} // End of namespace Mohawk - -#endif diff --git a/engines/mohawk/video/rpza.cpp b/engines/mohawk/video/rpza.cpp deleted file mode 100644 index f48c055ae2..0000000000 --- a/engines/mohawk/video/rpza.cpp +++ /dev/null @@ -1,208 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - - // Based off ffmpeg's RPZA decoder - -#include "mohawk/video/rpza.h" - -#include "common/system.h" -#include "graphics/colormasks.h" - -namespace Mohawk { - -RPZADecoder::RPZADecoder(uint16 width, uint16 height) : Graphics::Codec() { - _pixelFormat = g_system->getScreenFormat(); - - // We need to increase the surface size to a multiple of 4 - uint16 wMod = width % 4; - if(wMod != 0) - width += 4 - wMod; - - debug(2, "RPZA corrected width: %d", width); - - _surface = new Graphics::Surface(); - _surface->create(width, height, _pixelFormat.bytesPerPixel); -} - -#define ADVANCE_BLOCK() \ - pixelPtr += 4; \ - if (pixelPtr >= _surface->w) { \ - pixelPtr = 0; \ - rowPtr += _surface->w * 4; \ - } \ - totalBlocks--; \ - if (totalBlocks < 0) \ - error("block counter just went negative (this should not happen)") \ - -// Convert from RGB555 to the format specified by the screen -#define PUT_PIXEL(color) \ - if ((int32)blockPtr < _surface->w * _surface->h) { \ - byte r = 0, g = 0, b = 0; \ - Graphics::colorToRGB<Graphics::ColorMasks<555> >(color, r, g, b); \ - if (_pixelFormat.bytesPerPixel == 2) \ - *((uint16 *)_surface->pixels + blockPtr) = _pixelFormat.RGBToColor(r, g, b); \ - else \ - *((uint32 *)_surface->pixels + blockPtr) = _pixelFormat.RGBToColor(r, g, b); \ - } \ - blockPtr++ - -Graphics::Surface *RPZADecoder::decodeImage(Common::SeekableReadStream *stream) { - uint16 colorA = 0, colorB = 0; - uint16 color4[4]; - - uint32 rowPtr = 0; - uint32 pixelPtr = 0; - uint32 blockPtr = 0; - uint32 rowInc = _surface->w - 4; - uint16 ta; - uint16 tb; - - // First byte is always 0xe1. Warn if it's different - byte firstByte = stream->readByte(); - if (firstByte != 0xe1) - warning("First RPZA chunk byte is 0x%02x instead of 0xe1", firstByte); - - // Get chunk size, ingnoring first byte - uint32 chunkSize = stream->readUint16BE() << 8; - chunkSize += stream->readByte(); - - // If length mismatch use size from MOV file and try to decode anyway - if (chunkSize != (uint32)stream->size()) { - warning("MOV chunk size != encoded chunk size; using MOV chunk size"); - chunkSize = stream->size(); - } - - // Number of 4x4 blocks in frame - int32 totalBlocks = ((_surface->w + 3) / 4) * ((_surface->h + 3) / 4); - - // Process chunk data - while ((uint32)stream->pos() < chunkSize) { - byte opcode = stream->readByte(); // Get opcode - byte numBlocks = (opcode & 0x1f) + 1; // Extract block counter from opcode - - // If opcode MSbit is 0, we need more data to decide what to do - if ((opcode & 0x80) == 0) { - colorA = (opcode << 8) | stream->readByte(); - opcode = 0; - if (stream->readByte() & 0x80) { - // Must behave as opcode 110xxxxx, using colorA computed - // above. Use fake opcode 0x20 to enter switch block at - // the right place - opcode = 0x20; - numBlocks = 1; - } - stream->seek(-1, SEEK_CUR); - } - - switch (opcode & 0xe0) { - case 0x80: // Skip blocks - while (numBlocks--) { - ADVANCE_BLOCK(); - } - break; - case 0xa0: // Fill blocks with one color - colorA = stream->readUint16BE(); - while (numBlocks--) { - blockPtr = rowPtr + pixelPtr; - for (byte pixel_y = 0; pixel_y < 4; pixel_y++) { - for (byte pixel_x = 0; pixel_x < 4; pixel_x++) { - PUT_PIXEL(colorA); - } - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // Fill blocks with 4 colors - case 0xc0: - colorA = stream->readUint16BE(); - case 0x20: - colorB = stream->readUint16BE(); - - // Sort out the colors - color4[0] = colorB; - color4[1] = 0; - color4[2] = 0; - color4[3] = colorA; - - // Red components - ta = (colorA >> 10) & 0x1F; - tb = (colorB >> 10) & 0x1F; - color4[1] |= ((11 * ta + 21 * tb) >> 5) << 10; - color4[2] |= ((21 * ta + 11 * tb) >> 5) << 10; - - // Green components - ta = (colorA >> 5) & 0x1F; - tb = (colorB >> 5) & 0x1F; - color4[1] |= ((11 * ta + 21 * tb) >> 5) << 5; - color4[2] |= ((21 * ta + 11 * tb) >> 5) << 5; - - // Blue components - ta = colorA & 0x1F; - tb = colorB & 0x1F; - color4[1] |= ((11 * ta + 21 * tb) >> 5); - color4[2] |= ((21 * ta + 11 * tb) >> 5); - - while (numBlocks--) { - blockPtr = rowPtr + pixelPtr; - for (byte pixel_y = 0; pixel_y < 4; pixel_y++) { - byte index = stream->readByte(); - for (byte pixel_x = 0; pixel_x < 4; pixel_x++){ - byte idx = (index >> (2 * (3 - pixel_x))) & 0x03; - PUT_PIXEL(color4[idx]); - } - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // Fill block with 16 colors - case 0x00: - blockPtr = rowPtr + pixelPtr; - for (byte pixel_y = 0; pixel_y < 4; pixel_y++) { - for (byte pixel_x = 0; pixel_x < 4; pixel_x++){ - // We already have color of upper left pixel - if (pixel_y != 0 || pixel_x != 0) - colorA = stream->readUint16BE(); - - PUT_PIXEL(colorA); - } - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - break; - - // Unknown opcode - default: - error("Unknown opcode %02x in rpza chunk", opcode); - } - } - - return _surface; -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/video/rpza.h b/engines/mohawk/video/rpza.h deleted file mode 100644 index c6d0ada6f5..0000000000 --- a/engines/mohawk/video/rpza.h +++ /dev/null @@ -1,49 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef MOHAWK_RPZA_H -#define MOHAWK_RPZA_H - -#include "graphics/pixelformat.h" -#include "graphics/video/codecs/codec.h" - -namespace Mohawk { - -class RPZADecoder : public Graphics::Codec { -public: - RPZADecoder(uint16 width, uint16 height); - ~RPZADecoder() { delete _surface; } - - Graphics::Surface *decodeImage(Common::SeekableReadStream *stream); - Graphics::PixelFormat getPixelFormat() const { return _pixelFormat; } - -private: - Graphics::Surface *_surface; - Graphics::PixelFormat _pixelFormat; -}; - -} // End of namespace Mohawk - -#endif diff --git a/engines/mohawk/video/smc.cpp b/engines/mohawk/video/smc.cpp deleted file mode 100644 index 4a0d16dfcc..0000000000 --- a/engines/mohawk/video/smc.cpp +++ /dev/null @@ -1,385 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -// Based off ffmpeg's SMC decoder - -#include "mohawk/video/smc.h" - -namespace Mohawk { - -#define GET_BLOCK_COUNT() \ - (opcode & 0x10) ? (1 + stream->readByte()) : 1 + (opcode & 0x0F); - -#define ADVANCE_BLOCK() \ -{ \ - pixelPtr += 4; \ - if (pixelPtr >= _surface->w) { \ - pixelPtr = 0; \ - rowPtr += _surface->w * 4; \ - } \ - totalBlocks--; \ - if (totalBlocks < 0) { \ - warning("block counter just went negative (this should not happen)"); \ - return _surface; \ - } \ -} - -SMCDecoder::SMCDecoder(uint16 width, uint16 height) { - _surface = new Graphics::Surface(); - _surface->create(width, height, 1); -} - -Graphics::Surface *SMCDecoder::decodeImage(Common::SeekableReadStream *stream) { - byte *pixels = (byte *)_surface->pixels; - - uint32 numBlocks = 0; - uint32 colorFlags = 0; - uint32 colorFlagsA = 0; - uint32 colorFlagsB = 0; - - const uint16 rowInc = _surface->w - 4; - int32 rowPtr = 0; - int32 pixelPtr = 0; - uint32 blockPtr = 0; - uint32 prevBlockPtr = 0; - uint32 prevBlockPtr1 = 0, prevBlockPtr2 = 0; - byte prevBlockFlag = false; - byte pixel = 0; - - uint32 colorPairIndex = 0; - uint32 colorQuadIndex = 0; - uint32 colorOctetIndex = 0; - uint32 colorTableIndex = 0; // indices to color pair, quad, or octet tables - - int32 chunkSize = stream->readUint32BE() & 0x00FFFFFF; - if (chunkSize != stream->size()) - warning("MOV chunk size != SMC chunk size (%d != %d); ignoring SMC chunk size", chunkSize, stream->size()); - - int32 totalBlocks = ((_surface->w + 3) / 4) * ((_surface->h + 3) / 4); - - // traverse through the blocks - while (totalBlocks != 0) { - // sanity checks - - // make sure stream ptr hasn't gone out of bounds - if (stream->pos() > stream->size()) { - warning("SMC decoder just went out of bounds (stream ptr = %d, chunk size = %d)", stream->pos(), stream->size()); - return _surface; - } - - // make sure the row pointer hasn't gone wild - if (rowPtr >= _surface->w * _surface->h) { - warning("SMC decoder just went out of bounds (row ptr = %d, size = %d)", rowPtr, _surface->w * _surface->h); - return _surface; - } - - byte opcode = stream->readByte(); - - switch (opcode & 0xF0) { - // skip n blocks - case 0x00: - case 0x10: - numBlocks = GET_BLOCK_COUNT(); - while (numBlocks--) { - ADVANCE_BLOCK(); - } - break; - - // repeat last block n times - case 0x20: - case 0x30: - numBlocks = GET_BLOCK_COUNT(); - - // sanity check - if (rowPtr == 0 && pixelPtr == 0) { - warning("encountered repeat block opcode (%02X) but no blocks rendered yet", opcode & 0xF0); - break; - } - - // figure out where the previous block started - if (pixelPtr == 0) - prevBlockPtr1 = (rowPtr - _surface->w * 4) + _surface->w - 4; - else - prevBlockPtr1 = rowPtr + pixelPtr - 4; - - while (numBlocks--) { - blockPtr = rowPtr + pixelPtr; - prevBlockPtr = prevBlockPtr1; - for (byte y = 0; y < 4; y++) { - for (byte x = 0; x < 4; x++) - pixels[blockPtr++] = pixels[prevBlockPtr++]; - blockPtr += rowInc; - prevBlockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // repeat previous pair of blocks n times - case 0x40: - case 0x50: - numBlocks = GET_BLOCK_COUNT(); - numBlocks *= 2; - - // sanity check - if (rowPtr == 0 && pixelPtr < 2 * 4) { - warning("encountered repeat block opcode (%02X) but not enough blocks rendered yet", opcode & 0xF0); - break; - } - - // figure out where the previous 2 blocks started - if (pixelPtr == 0) - prevBlockPtr1 = (rowPtr - _surface->w * 4) + _surface->w - 4 * 2; - else if (pixelPtr == 4) - prevBlockPtr1 = (rowPtr - _surface->w * 4) + rowInc; - else - prevBlockPtr1 = rowPtr + pixelPtr - 4 * 2; - - if (pixelPtr == 0) - prevBlockPtr2 = (rowPtr - _surface->w * 4) + rowInc; - else - prevBlockPtr2 = rowPtr + pixelPtr - 4; - - prevBlockFlag = 0; - while (numBlocks--) { - blockPtr = rowPtr + pixelPtr; - - if (prevBlockFlag) - prevBlockPtr = prevBlockPtr2; - else - prevBlockPtr = prevBlockPtr1; - - prevBlockFlag = !prevBlockFlag; - - for (byte y = 0; y < 4; y++) { - for (byte x = 0; x < 4; x++) - pixels[blockPtr++] = pixels[prevBlockPtr++]; - - blockPtr += rowInc; - prevBlockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // 1-color block encoding - case 0x60: - case 0x70: - numBlocks = GET_BLOCK_COUNT(); - pixel = stream->readByte(); - - while (numBlocks--) { - blockPtr = rowPtr + pixelPtr; - for (byte y = 0; y < 4; y++) { - for (byte x = 0; x < 4; x++) - pixels[blockPtr++] = pixel; - - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // 2-color block encoding - case 0x80: - case 0x90: - numBlocks = (opcode & 0x0F) + 1; - - // figure out which color pair to use to paint the 2-color block - if ((opcode & 0xF0) == 0x80) { - // fetch the next 2 colors from bytestream and store in next - // available entry in the color pair table - for (byte i = 0; i < CPAIR; i++) { - pixel = stream->readByte(); - colorTableIndex = CPAIR * colorPairIndex + i; - _colorPairs[colorTableIndex] = pixel; - } - - // this is the base index to use for this block - colorTableIndex = CPAIR * colorPairIndex; - colorPairIndex++; - - // wraparound - if (colorPairIndex == COLORS_PER_TABLE) - colorPairIndex = 0; - } else - colorTableIndex = CPAIR * stream->readByte(); - - while (numBlocks--) { - colorFlags = stream->readUint16BE(); - uint16 flagMask = 0x8000; - blockPtr = rowPtr + pixelPtr; - for (byte y = 0; y < 4; y++) { - for (byte x = 0; x < 4; x++) { - if (colorFlags & flagMask) - pixel = colorTableIndex + 1; - else - pixel = colorTableIndex; - - flagMask >>= 1; - pixels[blockPtr++] = _colorPairs[pixel]; - } - - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // 4-color block encoding - case 0xA0: - case 0xB0: - numBlocks = (opcode & 0x0F) + 1; - - // figure out which color quad to use to paint the 4-color block - if ((opcode & 0xF0) == 0xA0) { - // fetch the next 4 colors from bytestream and store in next - // available entry in the color quad table - for (byte i = 0; i < CQUAD; i++) { - pixel = stream->readByte(); - colorTableIndex = CQUAD * colorQuadIndex + i; - _colorQuads[colorTableIndex] = pixel; - } - - // this is the base index to use for this block - colorTableIndex = CQUAD * colorQuadIndex; - colorQuadIndex++; - - // wraparound - if (colorQuadIndex == COLORS_PER_TABLE) - colorQuadIndex = 0; - } else - colorTableIndex = CQUAD * stream->readByte(); - - while (numBlocks--) { - colorFlags = stream->readUint32BE(); - - // flag mask actually acts as a bit shift count here - byte flagMask = 30; - blockPtr = rowPtr + pixelPtr; - - for (byte y = 0; y < 4; y++) { - for (byte x = 0; x < 4; x++) { - pixel = colorTableIndex + ((colorFlags >> flagMask) & 0x03); - flagMask -= 2; - pixels[blockPtr++] = _colorQuads[pixel]; - } - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // 8-color block encoding - case 0xC0: - case 0xD0: - numBlocks = (opcode & 0x0F) + 1; - - // figure out which color octet to use to paint the 8-color block - if ((opcode & 0xF0) == 0xC0) { - // fetch the next 8 colors from bytestream and store in next - // available entry in the color octet table - for (byte i = 0; i < COCTET; i++) { - pixel = stream->readByte(); - colorTableIndex = COCTET * colorOctetIndex + i; - _colorOctets[colorTableIndex] = pixel; - } - - // this is the base index to use for this block - colorTableIndex = COCTET * colorOctetIndex; - colorOctetIndex++; - - // wraparound - if (colorOctetIndex == COLORS_PER_TABLE) - colorOctetIndex = 0; - } else - colorTableIndex = COCTET * stream->readByte(); - - while (numBlocks--) { - /* - For this input of 6 hex bytes: - 01 23 45 67 89 AB - Mangle it to this output: - flags_a = xx012456, flags_b = xx89A37B - */ - - // build the color flags - byte flagData[6]; - stream->read(flagData, 6); - - colorFlagsA = ((READ_BE_UINT16(flagData) & 0xFFF0) << 8) | (READ_BE_UINT16(flagData + 2) >> 4); - colorFlagsB = ((READ_BE_UINT16(flagData + 4) & 0xFFF0) << 8) | ((flagData[1] & 0xF) << 8) | - ((flagData[3] & 0xF) << 4) | (flagData[5] & 0xf); - - colorFlags = colorFlagsA; - - // flag mask actually acts as a bit shift count here - byte flagMask = 21; - blockPtr = rowPtr + pixelPtr; - for (byte y = 0; y < 4; y++) { - // reload flags at third row (iteration y == 2) - if (y == 2) { - colorFlags = colorFlagsB; - flagMask = 21; - } - - for (byte x = 0; x < 4; x++) { - pixel = colorTableIndex + ((colorFlags >> flagMask) & 0x07); - flagMask -= 3; - pixels[blockPtr++] = _colorOctets[pixel]; - } - - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - // 16-color block encoding (every pixel is a different color) - case 0xE0: - numBlocks = (opcode & 0x0F) + 1; - - while (numBlocks--) { - blockPtr = rowPtr + pixelPtr; - for (byte y = 0; y < 4; y++) { - for (byte x = 0; x < 4; x++) - pixels[blockPtr++] = stream->readByte(); - - blockPtr += rowInc; - } - ADVANCE_BLOCK(); - } - break; - - case 0xF0: - warning("0xF0 opcode seen in SMC chunk (contact the developers)"); - break; - } - } - - return _surface; -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/video/smc.h b/engines/mohawk/video/smc.h deleted file mode 100644 index c52226100e..0000000000 --- a/engines/mohawk/video/smc.h +++ /dev/null @@ -1,59 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef MOHAWK_VIDEO_SMC_H -#define MOHAWK_VIDEO_SMC_H - -#include "graphics/video/codecs/codec.h" - -namespace Mohawk { - -enum { - CPAIR = 2, - CQUAD = 4, - COCTET = 8, - COLORS_PER_TABLE = 256 -}; - -class SMCDecoder : public Graphics::Codec { -public: - SMCDecoder(uint16 width, uint16 height); - ~SMCDecoder() { delete _surface; } - - Graphics::Surface *decodeImage(Common::SeekableReadStream *stream); - Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); } - -private: - Graphics::Surface *_surface; - - // SMC color tables - byte _colorPairs[COLORS_PER_TABLE * CPAIR]; - byte _colorQuads[COLORS_PER_TABLE * CQUAD]; - byte _colorOctets[COLORS_PER_TABLE * COCTET]; -}; - -} // End of namespace Mohawk - -#endif diff --git a/engines/mohawk/video/video.cpp b/engines/mohawk/video/video.cpp deleted file mode 100644 index 86ecd4dedf..0000000000 --- a/engines/mohawk/video/video.cpp +++ /dev/null @@ -1,377 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#include "mohawk/resource.h" -#include "mohawk/video/video.h" -#include "mohawk/video/qt_player.h" - -#include "common/events.h" - -namespace Mohawk { - -VideoManager::VideoManager(MohawkEngine* vm) : _vm(vm) { -} - -VideoManager::~VideoManager() { - _mlstRecords.clear(); - stopVideos(); -} - -void VideoManager::pauseVideos() { - for (uint16 i = 0; i < _videoStreams.size(); i++) - _videoStreams[i]->pauseVideo(true); -} - -void VideoManager::resumeVideos() { - for (uint16 i = 0; i < _videoStreams.size(); i++) - _videoStreams[i]->pauseVideo(false); -} - -void VideoManager::stopVideos() { - for (uint16 i = 0; i < _videoStreams.size(); i++) - delete _videoStreams[i].video; - _videoStreams.clear(); -} - -void VideoManager::playMovie(Common::String filename, uint16 x, uint16 y, bool clearScreen) { - VideoHandle videoHandle = createVideoHandle(filename, x, y, false); - if (videoHandle == NULL_VID_HANDLE) - return; - - // Clear screen if requested - if (clearScreen) { - _vm->_system->fillScreen(_vm->_system->getScreenFormat().RGBToColor(0, 0, 0)); - _vm->_system->updateScreen(); - } - - waitUntilMovieEnds(videoHandle); -} - -void VideoManager::playMovieCentered(Common::String filename, bool clearScreen) { - VideoHandle videoHandle = createVideoHandle(filename, 0, 0, false); - if (videoHandle == NULL_VID_HANDLE) - return; - - // Clear screen if requested - if (clearScreen) { - _vm->_system->fillScreen(_vm->_system->getScreenFormat().RGBToColor(0, 0, 0)); - _vm->_system->updateScreen(); - } - - _videoStreams[videoHandle].x = (_vm->_system->getWidth() - _videoStreams[videoHandle]->getWidth()) / 2; - _videoStreams[videoHandle].y = (_vm->_system->getHeight() - _videoStreams[videoHandle]->getHeight()) / 2; - - waitUntilMovieEnds(videoHandle); -} - -void VideoManager::waitUntilMovieEnds(VideoHandle videoHandle) { - bool continuePlaying = true; - - while (!_videoStreams[videoHandle]->endOfVideo() && !_vm->shouldQuit() && continuePlaying) { - if (updateBackgroundMovies()) - _vm->_system->updateScreen(); - - Common::Event event; - while (_vm->_system->getEventManager()->pollEvent(event)) { - switch (event.type) { - case Common::EVENT_RTL: - case Common::EVENT_QUIT: - continuePlaying = false; - break; - case Common::EVENT_KEYDOWN: - switch (event.kbd.keycode) { - case Common::KEYCODE_SPACE: - _vm->pauseGame(); - break; - case Common::KEYCODE_ESCAPE: - continuePlaying = false; - break; - default: - break; - } - default: - break; - } - } - - // Cut down on CPU usage - _vm->_system->delayMillis(10); - } - - _videoStreams[videoHandle]->close(); - _videoStreams.clear(); -} - -void VideoManager::playBackgroundMovie(Common::String filename, int16 x, int16 y, bool loop) { - VideoHandle videoHandle = createVideoHandle(filename, x, y, loop); - if (videoHandle == NULL_VID_HANDLE) - return; - - // Center x if requested - if (x < 0) - _videoStreams[videoHandle].x = (_vm->_system->getWidth() - _videoStreams[videoHandle]->getWidth()) / 2; - - // Center y if requested - if (y < 0) - _videoStreams[videoHandle].y = (_vm->_system->getHeight() - _videoStreams[videoHandle]->getHeight()) / 2; -} - -bool VideoManager::updateBackgroundMovies() { - bool updateScreen = false; - - for (uint32 i = 0; i < _videoStreams.size() && !_vm->shouldQuit(); i++) { - // Skip deleted videos - if (!_videoStreams[i].video) - continue; - - // Remove any videos that are over - if (_videoStreams[i]->endOfVideo()) { - if (_videoStreams[i].loop) { - _videoStreams[i]->rewind(); - } else { - delete _videoStreams[i].video; - memset(&_videoStreams[i], 0, sizeof(VideoEntry)); - _videoStreams[i].video = NULL; - continue; - } - } - - // Check if we need to draw a frame - if (_videoStreams[i]->needsUpdate()) { - Graphics::Surface *frame = _videoStreams[i]->decodeNextFrame(); - bool deleteFrame = false; - - if (frame && _videoStreams[i].enabled) { - // Convert from 8bpp to the current screen format if necessary - if (frame->bytesPerPixel == 1) { - Graphics::Surface *newFrame = new Graphics::Surface(); - Graphics::PixelFormat pixelFormat = _vm->_system->getScreenFormat(); - byte *palette = _videoStreams[i]->getPalette(); - assert(palette); - - newFrame->create(frame->w, frame->h, pixelFormat.bytesPerPixel); - - for (uint16 j = 0; j < frame->h; j++) { - for (uint16 k = 0; k < frame->w; k++) { - byte palIndex = *((byte *)frame->getBasePtr(k, j)); - byte r = palette[palIndex * 3]; - byte g = palette[palIndex * 3 + 1]; - byte b = palette[palIndex * 3 + 2]; - if (pixelFormat.bytesPerPixel == 2) - *((uint16 *)newFrame->getBasePtr(k, j)) = pixelFormat.RGBToColor(r, g, b); - else - *((uint32 *)newFrame->getBasePtr(k, j)) = pixelFormat.RGBToColor(r, g, b); - } - } - - frame = newFrame; - deleteFrame = true; - } - - // Clip the width/height to make sure we stay on the screen (Myst does this a few times) - uint16 width = MIN<int32>(_videoStreams[i]->getWidth(), _vm->_system->getWidth() - _videoStreams[i].x); - uint16 height = MIN<int32>(_videoStreams[i]->getHeight(), _vm->_system->getHeight() - _videoStreams[i].y); - _vm->_system->copyRectToScreen((byte*)frame->pixels, frame->pitch, _videoStreams[i].x, _videoStreams[i].y, width, height); - - // We've drawn something to the screen, make sure we update it - updateScreen = true; - - // Delete the frame if we're using the buffer from the 8bpp conversion - if (deleteFrame) { - frame->free(); - delete frame; - } - } - } - - // Update the audio buffer too - _videoStreams[i]->updateAudioBuffer(); - } - - // Return true if we need to update the screen - return updateScreen; -} - -void VideoManager::activateMLST(uint16 mlstId, uint16 card) { - Common::SeekableReadStream *mlstStream = _vm->getRawData(ID_MLST, card); - uint16 recordCount = mlstStream->readUint16BE(); - - for (uint16 i = 0; i < recordCount; i++) { - MLSTRecord mlstRecord; - mlstRecord.index = mlstStream->readUint16BE(); - mlstRecord.movieID = mlstStream->readUint16BE(); - mlstRecord.code = mlstStream->readUint16BE(); - mlstRecord.left = mlstStream->readUint16BE(); - mlstRecord.top = mlstStream->readUint16BE(); - - for (byte j = 0; j < 2; j++) - if (mlstStream->readUint16BE() != 0) - warning("u0[%d] in MLST non-zero", j); - - if (mlstStream->readUint16BE() != 0xFFFF) - warning("u0[2] in MLST not 0xFFFF"); - - mlstRecord.loop = mlstStream->readUint16BE(); - mlstRecord.volume = mlstStream->readUint16BE(); - mlstRecord.u1 = mlstStream->readUint16BE(); - - if (mlstRecord.u1 != 1) - warning("mlstRecord.u1 not 1"); - - if (mlstRecord.index == mlstId) { - _mlstRecords.push_back(mlstRecord); - break; - } - } - - delete mlstStream; -} - -void VideoManager::playMovie(uint16 id) { - for (uint16 i = 0; i < _mlstRecords.size(); i++) - if (_mlstRecords[i].code == id) { - debug(1, "Play tMOV %d (non-blocking) at (%d, %d) %s", _mlstRecords[i].movieID, _mlstRecords[i].left, _mlstRecords[i].top, _mlstRecords[i].loop != 0 ? "looping" : "non-looping"); - createVideoHandle(_mlstRecords[i].movieID, _mlstRecords[i].left, _mlstRecords[i].top, _mlstRecords[i].loop != 0); - return; - } -} - -void VideoManager::playMovieBlocking(uint16 id) { - for (uint16 i = 0; i < _mlstRecords.size(); i++) - if (_mlstRecords[i].code == id) { - debug(1, "Play tMOV %d (blocking) at (%d, %d)", _mlstRecords[i].movieID, _mlstRecords[i].left, _mlstRecords[i].top); - VideoHandle videoHandle = createVideoHandle(_mlstRecords[i].movieID, _mlstRecords[i].left, _mlstRecords[i].top, false); - waitUntilMovieEnds(videoHandle); - return; - } -} - -void VideoManager::stopMovie(uint16 id) { - debug(2, "Stopping movie %d", id); - for (uint16 i = 0; i < _mlstRecords.size(); i++) - if (_mlstRecords[i].code == id) - for (uint16 j = 0; j < _videoStreams.size(); j++) - if (_mlstRecords[i].movieID == _videoStreams[j].id) { - delete _videoStreams[i].video; - memset(&_videoStreams[i].video, 0, sizeof(VideoEntry)); - return; - } -} - -void VideoManager::enableMovie(uint16 id) { - debug(2, "Enabling movie %d", id); - for (uint16 i = 0; i < _mlstRecords.size(); i++) - if (_mlstRecords[i].code == id) - for (uint16 j = 0; j < _videoStreams.size(); j++) - if (_mlstRecords[i].movieID == _videoStreams[j].id) { - _videoStreams[j].enabled = true; - return; - } -} - -void VideoManager::disableMovie(uint16 id) { - debug(2, "Disabling movie %d", id); - for (uint16 i = 0; i < _mlstRecords.size(); i++) - if (_mlstRecords[i].code == id) - for (uint16 j = 0; j < _videoStreams.size(); j++) - if (_mlstRecords[i].movieID == _videoStreams[j].id) { - _videoStreams[j].enabled = false; - return; - } -} - -void VideoManager::disableAllMovies() { - debug(2, "Disabling all movies"); - for (uint16 i = 0; i < _videoStreams.size(); i++) - _videoStreams[i].enabled = false; -} - -VideoHandle VideoManager::createVideoHandle(uint16 id, uint16 x, uint16 y, bool loop) { - // First, check to see if that video is already playing - for (uint32 i = 0; i < _videoStreams.size(); i++) - if (_videoStreams[i].id == id) - return i; - - // Otherwise, create a new entry - VideoEntry entry; - entry.video = new QTPlayer(); - entry.x = x; - entry.y = y; - entry.filename = ""; - entry.id = id; - entry.loop = loop; - entry.enabled = true; - entry->setChunkBeginOffset(_vm->getResourceOffset(ID_TMOV, id)); - entry->load(*_vm->getRawData(ID_TMOV, id)); - - // Search for any deleted videos so we can take a formerly used slot - for (uint32 i = 0; i < _videoStreams.size(); i++) - if (!_videoStreams[i].video) { - _videoStreams[i] = entry; - return i; - } - - // Otherwise, just add it to the list - _videoStreams.push_back(entry); - return _videoStreams.size() - 1; -} - -VideoHandle VideoManager::createVideoHandle(Common::String filename, uint16 x, uint16 y, bool loop) { - // First, check to see if that video is already playing - for (uint32 i = 0; i < _videoStreams.size(); i++) - if (_videoStreams[i].filename == filename) - return i; - - // Otherwise, create a new entry - VideoEntry entry; - entry.video = new QTPlayer(); - entry.x = x; - entry.y = y; - entry.filename = filename; - entry.id = 0; - entry.loop = loop; - entry.enabled = true; - - Common::File *file = new Common::File(); - if (!file->open(filename)) { - delete file; - return NULL_VID_HANDLE; - } - - entry->load(*file); - - // Search for any deleted videos so we can take a formerly used slot - for (uint32 i = 0; i < _videoStreams.size(); i++) - if (!_videoStreams[i].video) { - _videoStreams[i] = entry; - return i; - } - - // Otherwise, just add it to the list - _videoStreams.push_back(entry); - return _videoStreams.size() - 1; -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/video/video.h b/engines/mohawk/video/video.h deleted file mode 100644 index a5d2bde65d..0000000000 --- a/engines/mohawk/video/video.h +++ /dev/null @@ -1,107 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef MOHAWK_VIDEO_H -#define MOHAWK_VIDEO_H - -#include "graphics/pixelformat.h" - -namespace Mohawk { - -class MohawkEngine; - -struct MLSTRecord { - uint16 index; - uint16 movieID; - uint16 code; - uint16 left; - uint16 top; - uint16 u0[3]; - uint16 loop; - uint16 volume; - uint16 u1; -}; - -class QTPlayer; - -struct VideoEntry { - QTPlayer *video; - uint16 x; - uint16 y; - bool loop; - Common::String filename; - uint16 id; // Riven only - bool enabled; - - QTPlayer *operator->() const { assert(video); return video; } -}; - -typedef int32 VideoHandle; - -enum { - NULL_VID_HANDLE = -1 -}; - -class VideoManager { -public: - VideoManager(MohawkEngine *vm); - ~VideoManager(); - - // Generic movie functions - void playMovie(Common::String filename, uint16 x = 0, uint16 y = 0, bool clearScreen = false); - void playMovieCentered(Common::String filename, bool clearScreen = true); - void playBackgroundMovie(Common::String filename, int16 x = -1, int16 y = -1, bool loop = false); - bool updateBackgroundMovies(); - void pauseVideos(); - void resumeVideos(); - void stopVideos(); - - // Riven-related functions - void activateMLST(uint16 mlstId, uint16 card); - void enableMovie(uint16 id); - void disableMovie(uint16 id); - void disableAllMovies(); - void playMovie(uint16 id); - void stopMovie(uint16 id); - void playMovieBlocking(uint16 id); - - // Riven-related variables - Common::Array<MLSTRecord> _mlstRecords; - -private: - MohawkEngine *_vm; - - void waitUntilMovieEnds(VideoHandle videoHandle); - - // Keep tabs on any videos playing - Common::Array<VideoEntry> _videoStreams; - - VideoHandle createVideoHandle(uint16 id, uint16 x, uint16 y, bool loop); - VideoHandle createVideoHandle(Common::String filename, uint16 x, uint16 y, bool loop); -}; - -} // End of namespace Mohawk - -#endif |