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author | Eugene Sandulenko | 2008-12-21 21:08:17 +0000 |
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committer | Eugene Sandulenko | 2008-12-21 21:08:17 +0000 |
commit | 829cbc411094bd69052ab97c7846f2f8683796b9 (patch) | |
tree | 32d04552a0e59745d90bf1b9bc93ced4b3df3b61 /graphics/video/dxa_player.cpp | |
parent | be66a538b44966c52a48cc59421ccd7b7c27dedc (diff) | |
download | scummvm-rg350-829cbc411094bd69052ab97c7846f2f8683796b9.tar.gz scummvm-rg350-829cbc411094bd69052ab97c7846f2f8683796b9.tar.bz2 scummvm-rg350-829cbc411094bd69052ab97c7846f2f8683796b9.zip |
Move all video players to separate directory
svn-id: r35470
Diffstat (limited to 'graphics/video/dxa_player.cpp')
-rw-r--r-- | graphics/video/dxa_player.cpp | 595 |
1 files changed, 595 insertions, 0 deletions
diff --git a/graphics/video/dxa_player.cpp b/graphics/video/dxa_player.cpp new file mode 100644 index 0000000000..39c44a4770 --- /dev/null +++ b/graphics/video/dxa_player.cpp @@ -0,0 +1,595 @@ +/* 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 "common/endian.h" +#include "common/archive.h" +#include "graphics/video/dxa_player.h" +#include "common/util.h" + +#ifdef USE_ZLIB + #include "common/zlib.h" +#endif + +namespace Graphics { + +DXAPlayer::DXAPlayer() { + _fileStream = 0; + + _frameBuffer1 = 0; + _frameBuffer2 = 0; + _scaledBuffer = 0; + _drawBuffer = 0; + + _inBuffer = 0; + _inBufferSize = 0; + + _decompBuffer = 0; + _decompBufferSize = 0; + + _width = 0; + _height = 0; + + _frameSize = 0; + _framesCount = 0; + _frameNum = 0; + _framesPerSec = 0; + _frameTicks = 0; + + _scaleMode = S_NONE; +} + +DXAPlayer::~DXAPlayer() { + closeFile(); +} + +int DXAPlayer::getWidth() { + if (!_fileStream) + return 0; + return _width; +} + +int DXAPlayer::getHeight() { + if (!_fileStream) + return 0; + return _height; +} + +int32 DXAPlayer::getCurFrame() { + if (!_fileStream) + return -1; + return _frameNum; +} + +int32 DXAPlayer::getFrameCount() { + if (!_fileStream) + return 0; + return _framesCount; +} + +int32 DXAPlayer::getFrameRate() { + if (!_fileStream) + return 0; + return _framesPerSec; +} + +int32 DXAPlayer::getFrameDelay() { + if (!_fileStream) + return 0; + + return _frameTicks; +} + +bool DXAPlayer::loadFile(const char *fileName) { + uint32 tag; + int32 frameRate; + + _fileStream = SearchMan.openFile(fileName); + if (!_fileStream) + return false; + + tag = _fileStream->readUint32BE(); + assert(tag == MKID_BE('DEXA')); + + uint8 flags = _fileStream->readByte(); + _framesCount = _fileStream->readUint16BE(); + frameRate = _fileStream->readUint32BE(); + + if (frameRate > 0) + _framesPerSec = 1000 / frameRate; + else if (frameRate < 0) + _framesPerSec = 100000 / (-frameRate); + else + _framesPerSec = 10; + + if (frameRate < 0) + _frameTicks = -frameRate / 100; + else + _frameTicks = frameRate; + + _width = _fileStream->readUint16BE(); + _height = _fileStream->readUint16BE(); + + if (flags & 0x80) { + _scaleMode = S_INTERLACED; + _curHeight = _height / 2; + } else if (flags & 0x40) { + _scaleMode = S_DOUBLE; + _curHeight = _height / 2; + } else { + _scaleMode = S_NONE; + _curHeight = _height; + } + + debug(2, "flags 0x0%x framesCount %d width %d height %d rate %d ticks %d", flags, getFrameCount(), getWidth(), getHeight(), getFrameRate(), getFrameDelay()); + + _frameSize = _width * _height; + _decompBufferSize = _frameSize; + _frameBuffer1 = (uint8 *)malloc(_frameSize); + _frameBuffer2 = (uint8 *)malloc(_frameSize); + if (!_frameBuffer1 || !_frameBuffer2) + error("DXAPlayer: Error allocating frame buffers (size %u)", _frameSize); + + _scaledBuffer = 0; + if (_scaleMode != S_NONE) { + _scaledBuffer = (uint8 *)malloc(_frameSize); + if (!_scaledBuffer) + error("Error allocating scale buffer (size %u)", _frameSize); + } + +#ifdef DXA_EXPERIMENT_MAXD + // Check for an extended header + if (flags & 1) { + uint32 size; + + do { + tag = _fileStream->readUint32BE(); + if (tag != 0) { + size = _fileStream->readUint32BE(); + } + switch (tag) { + case 0: // No more tags + break; + case MKID_BE('MAXD'): + assert(size == 4); + _decompBufferSize = _fileStream->readUint32BE(); + break; + default: // Unknown tag - skip it. + while (size > 0) { + byte dummy = _fileStream->readByte(); + size--; + } + break; + } + } while (tag != 0); + } +#endif + _frameNum = 0; + + return true; +} + +void DXAPlayer::closeFile() { + if (!_fileStream) + return; + + delete _fileStream; + + free(_frameBuffer1); + free(_frameBuffer2); + free(_scaledBuffer); + free(_inBuffer); + free(_decompBuffer); + + _fileStream = 0; + _inBuffer = 0; + _decompBuffer = 0; +} + +void DXAPlayer::copyFrameToBuffer(byte *dst, uint x, uint y, uint pitch) { + uint h = _height; + uint w = _width; + + byte *src = _drawBuffer; + dst += y * pitch + x; + + do { + memcpy(dst, src, w); + dst += pitch; + src += _width; + } while (--h); +} + +void DXAPlayer::decodeZlib(byte *data, int size, int totalSize) { +#ifdef USE_ZLIB + unsigned long dstLen = totalSize; + Common::uncompress(data, &dstLen, _inBuffer, size); +#endif +} + +#define BLOCKW 4 +#define BLOCKH 4 + +void DXAPlayer::decode12(int size) { +#ifdef USE_ZLIB + if (_decompBuffer == NULL) { + _decompBuffer = (byte *)malloc(_decompBufferSize); + if (_decompBuffer == NULL) + error("Error allocating decomp buffer (size %u)", _decompBufferSize); + } + /* decompress the input data */ + decodeZlib(_decompBuffer, size, _decompBufferSize); + + byte *dat = _decompBuffer; + + memcpy(_frameBuffer2, _frameBuffer1, _frameSize); + + for (int by = 0; by < _height; by += BLOCKH) { + for (int bx = 0; bx < _width; bx += BLOCKW) { + byte type = *dat++; + byte *b2 = _frameBuffer1 + bx + by * _width; + + switch (type) { + case 0: + break; + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + case 1: { + unsigned short diffMap; + if (type >= 10 && type <= 15) { + static const struct { uint8 sh1, sh2; } shiftTbl[6] = { + {0, 0}, {8, 0}, {8, 8}, {8, 4}, {4, 0}, {4, 4} + }; + diffMap = ((*dat & 0xF0) << shiftTbl[type-10].sh1) | + ((*dat & 0x0F) << shiftTbl[type-10].sh2); + dat++; + } else { + diffMap = *(unsigned short*)dat; + dat += 2; + } + + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + if (diffMap & 0x8000) { + b2[xc] = *dat++; + } + diffMap <<= 1; + } + b2 += _width; + } + break; + } + case 2: { + byte color = *dat++; + + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + b2[xc] = color; + } + b2 += _width; + } + break; + } + case 3: { + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + b2[xc] = *dat++; + } + b2 += _width; + } + break; + } + case 4: { + byte mbyte = *dat++; + int mx = (mbyte >> 4) & 0x07; + if (mbyte & 0x80) + mx = -mx; + int my = mbyte & 0x07; + if (mbyte & 0x08) + my = -my; + byte *b1 = _frameBuffer2 + (bx+mx) + (by+my) * _width; + for (int yc = 0; yc < BLOCKH; yc++) { + memcpy(b2, b1, BLOCKW); + b1 += _width; + b2 += _width; + } + break; + } + case 5: + break; + default: + error("decode12: Unknown type %d", type); + } + } + } +#endif +} + +void DXAPlayer::decode13(int size) { +#ifdef USE_ZLIB + uint8 *codeBuf, *dataBuf, *motBuf, *maskBuf; + + if (_decompBuffer == NULL) { + _decompBuffer = (byte *)malloc(_decompBufferSize); + if (_decompBuffer == NULL) + error("Error allocating decomp buffer (size %u)", _decompBufferSize); + } + + /* decompress the input data */ + decodeZlib(_decompBuffer, size, _decompBufferSize); + + memcpy(_frameBuffer2, _frameBuffer1, _frameSize); + + int codeSize = _width * _curHeight / 16; + int dataSize, motSize, maskSize; + + dataSize = READ_BE_UINT32(&_decompBuffer[0]); + motSize = READ_BE_UINT32(&_decompBuffer[4]); + maskSize = READ_BE_UINT32(&_decompBuffer[8]); + + codeBuf = &_decompBuffer[12]; + dataBuf = &codeBuf[codeSize]; + motBuf = &dataBuf[dataSize]; + maskBuf = &motBuf[motSize]; + + for (int by = 0; by < _curHeight; by += BLOCKH) { + for (int bx = 0; bx < _width; bx += BLOCKW) { + uint8 type = *codeBuf++; + uint8 *b2 = (uint8*)_frameBuffer1 + bx + by * _width; + + switch (type) { + case 0: + break; + + case 1: { + uint16 diffMap = READ_BE_UINT16(maskBuf); + maskBuf += 2; + + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + if (diffMap & 0x8000) { + b2[xc] = *dataBuf++; + } + diffMap <<= 1; + } + b2 += _width; + } + break; + } + case 2: { + uint8 color = *dataBuf++; + + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + b2[xc] = color; + } + b2 += _width; + } + break; + } + case 3: { + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + b2[xc] = *dataBuf++; + } + b2 += _width; + } + break; + } + case 4: { + uint8 mbyte = *motBuf++; + + int mx = (mbyte >> 4) & 0x07; + if (mbyte & 0x80) + mx = -mx; + int my = mbyte & 0x07; + if (mbyte & 0x08) + my = -my; + + uint8 *b1 = (uint8*)_frameBuffer2 + (bx+mx) + (by+my) * _width; + for (int yc = 0; yc < BLOCKH; yc++) { + memcpy(b2, b1, BLOCKW); + b1 += _width; + b2 += _width; + } + break; + } + case 8: { + static const int subX[4] = {0, 2, 0, 2}; + static const int subY[4] = {0, 0, 2, 2}; + + uint8 subMask = *maskBuf++; + + for (int subBlock = 0; subBlock < 4; subBlock++) { + int sx = bx + subX[subBlock], sy = by + subY[subBlock]; + b2 = (uint8*)_frameBuffer1 + sx + sy * _width; + switch (subMask & 0xC0) { + // 00: skip + case 0x00: + break; + // 01: solid color + case 0x40: { + uint8 subColor = *dataBuf++; + for (int yc = 0; yc < BLOCKH / 2; yc++) { + for (int xc = 0; xc < BLOCKW / 2; xc++) { + b2[xc] = subColor; + } + b2 += _width; + } + break; + } + // 02: motion vector + case 0x80: { + uint8 mbyte = *motBuf++; + + int mx = (mbyte >> 4) & 0x07; + if (mbyte & 0x80) + mx = -mx; + + int my = mbyte & 0x07; + if (mbyte & 0x08) + my = -my; + + uint8 *b1 = (uint8*)_frameBuffer2 + (sx+mx) + (sy+my) * _width; + for (int yc = 0; yc < BLOCKH / 2; yc++) { + memcpy(b2, b1, BLOCKW / 2); + b1 += _width; + b2 += _width; + } + break; + } + // 03: raw + case 0xC0: + for (int yc = 0; yc < BLOCKH / 2; yc++) { + for (int xc = 0; xc < BLOCKW / 2; xc++) { + b2[xc] = *dataBuf++; + } + b2 += _width; + } + break; + } + subMask <<= 2; + } + break; + } + case 32: + case 33: + case 34: { + int count = type - 30; + uint8 pixels[4]; + + memcpy(pixels, dataBuf, count); + dataBuf += count; + + if (count == 2) { + uint16 code = READ_BE_UINT16(maskBuf); + maskBuf += 2; + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + b2[xc] = pixels[code & 1]; + code >>= 1; + } + b2 += _width; + } + } else { + uint32 code = READ_BE_UINT32(maskBuf); + maskBuf += 4; + for (int yc = 0; yc < BLOCKH; yc++) { + for (int xc = 0; xc < BLOCKW; xc++) { + b2[xc] = pixels[code & 3]; + code >>= 2; + } + b2 += _width; + } + } + break; + } + default: + error("decode13: Unknown type %d", type); + } + } + } +#endif +} + +void DXAPlayer::decodeNextFrame() { + uint32 tag; + + tag = _fileStream->readUint32BE(); + if (tag == MKID_BE('CMAP')) { + byte rgb[768]; + + _fileStream->read(rgb, ARRAYSIZE(rgb)); + setPalette(rgb); + } + + tag = _fileStream->readUint32BE(); + if (tag == MKID_BE('FRAM')) { + byte type = _fileStream->readByte(); + uint32 size = _fileStream->readUint32BE(); + if ((_inBuffer == NULL) || (_inBufferSize < size)) { + free(_inBuffer); + _inBuffer = (byte *)malloc(size); + if (_inBuffer == NULL) + error("Error allocating input buffer (size %u)", size); + _inBufferSize = size; + } + + _fileStream->read(_inBuffer, size); + + switch (type) { + case 2: + decodeZlib(_frameBuffer1, size, _frameSize); + break; + case 3: + decodeZlib(_frameBuffer2, size, _frameSize); + break; + case 12: + decode12(size); + break; + case 13: + decode13(size); + break; + default: + error("decodeFrame: Unknown compression type %d", type); + } + + if (type == 3) { + for (int j = 0; j < _curHeight; ++j) { + for (int i = 0; i < _width; ++i) { + const int offs = j * _width + i; + _frameBuffer1[offs] ^= _frameBuffer2[offs]; + } + } + } + } + + switch (_scaleMode) { + case S_INTERLACED: + for (int cy = 0; cy < _curHeight; cy++) { + memcpy(&_scaledBuffer[2 * cy * _width], &_frameBuffer1[cy * _width], _width); + memset(&_scaledBuffer[((2 * cy) + 1) * _width], 0, _width); + } + _drawBuffer = _scaledBuffer; + break; + case S_DOUBLE: + for (int cy = 0; cy < _curHeight; cy++) { + memcpy(&_scaledBuffer[2 * cy * _width], &_frameBuffer1[cy * _width], _width); + memcpy(&_scaledBuffer[((2 * cy) + 1) * _width], &_frameBuffer1[cy * _width], _width); + } + _drawBuffer = _scaledBuffer; + break; + case S_NONE: + _drawBuffer = _frameBuffer1; + break; + } + + _frameNum++; +} + +} // End of namespace Graphics |