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-rw-r--r--engines/gob/coktelvideo.cpp1837
1 files changed, 0 insertions, 1837 deletions
diff --git a/engines/gob/coktelvideo.cpp b/engines/gob/coktelvideo.cpp
deleted file mode 100644
index 55b5e61c31..0000000000
--- a/engines/gob/coktelvideo.cpp
+++ /dev/null
@@ -1,1837 +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 "common/endian.h"
-#include "common/system.h"
-#include "graphics/dither.h"
-
-#include "gob/coktelvideo.h"
-#include "gob/indeo3.h"
-
-namespace Gob {
-
-Imd::Imd() {
- clear(false);
-}
-
-Imd::~Imd() {
- clear();
-}
-
-bool Imd::load(Common::SeekableReadStream &stream) {
- unload();
-
- _stream = &stream;
-
- // Version
- uint16 handle = _stream->readUint16LE();
- _version = _stream->readByte();
-
- // Version checking
- if ((handle != 0) || (_version < 2)) {
- warning("IMD Version incorrect (%d,%X)", handle, _version);
- unload();
- return false;
- }
-
- // Rest header
- _features = _stream->readByte();
- _framesCount = _stream->readUint16LE();
- _x = _stream->readSint16LE();
- _y = _stream->readSint16LE();
- _width = _stream->readSint16LE();
- _height = _stream->readSint16LE();
- _flags = _stream->readUint16LE();
- _firstFramePos = _stream->readUint16LE();
-
- // IMDs always have video
- _features |= kFeaturesVideo;
- // IMDs always have palettes
- _features |= kFeaturesPalette;
-
- // Palette
- _stream->read((byte *) _palette, 768);
-
- // Standard coordinates
- if (_version >= 3) {
- _stdX = _stream->readUint16LE();
- if (_stdX > 1) {
- warning("IMD: More than one standard coordinate quad found (%d)", _stdX);
- unload();
- return false;
- }
- if (_stdX != 0) {
- _stdX = _stream->readSint16LE();
- _stdY = _stream->readSint16LE();
- _stdWidth = _stream->readSint16LE();
- _stdHeight = _stream->readSint16LE();
- _features |= kFeaturesStdCoords;
- } else
- _stdX = -1;
- } else
- _stdX = -1;
-
- // Offset to frame positions table
- uint32 framesPosPos = 0;
- if (_version >= 4) {
- framesPosPos = _stream->readUint32LE();
- if (framesPosPos != 0) {
- _framesPos = new uint32[_framesCount];
- assert(_framesPos);
- _features |= kFeaturesFramesPos;
- }
- }
-
- // Offset to frame coordinates
- uint32 framesCoordsPos = 0;
- if (_features & kFeaturesFrameCoords)
- framesCoordsPos = _stream->readUint32LE();
-
- // Sound
- if (_features & kFeaturesSound) {
- _soundFreq = _stream->readSint16LE();
- _soundSliceSize = _stream->readSint16LE();
- _soundSlicesCount = _stream->readSint16LE();
-
- if (_soundFreq < 0)
- _soundFreq = -_soundFreq;
-
- if (_soundSlicesCount < 0)
- _soundSlicesCount = -_soundSlicesCount - 1;
-
- if (_soundSlicesCount > 40) {
- warning("IMD: More than 40 sound slices found (%d)", _soundSlicesCount);
- unload();
- return false;
- }
-
- _soundSliceLength = (uint32) (((double) (1000 << 16)) /
- ((double) _soundFreq / (double) _soundSliceSize));
- _frameLength = _soundSliceLength >> 16;
-
- _soundStage = 1;
- _hasSound = true;
-
- _audioStream = Audio::makeAppendableAudioStream(_soundFreq, 0);
- } else
- _frameLength = 1000 / _frameRate;
-
- // Sizes of the frame data and extra video buffer
- if (_features & kFeaturesDataSize) {
- _frameDataSize = _stream->readUint16LE();
- if (_frameDataSize == 0) {
- _frameDataSize = _stream->readUint32LE();
- _vidBufferSize = _stream->readUint32LE();
- } else
- _vidBufferSize = _stream->readUint16LE();
- } else {
- _frameDataSize = _width * _height + 500;
- if (!(_flags & 0x100) || (_flags & 0x1000))
- _vidBufferSize = _frameDataSize;
- }
-
- // Frame positions table
- if (_framesPos) {
- _stream->seek(framesPosPos, SEEK_SET);
- for (int i = 0; i < _framesCount; i++)
- _framesPos[i] = _stream->readUint32LE();
- }
-
- // Frame coordinates table
- if (_features & kFeaturesFrameCoords) {
- _stream->seek(framesCoordsPos, SEEK_SET);
- _frameCoords = new Coord[_framesCount];
- assert(_frameCoords);
- for (int i = 0; i < _framesCount; i++) {
- _frameCoords[i].left = _stream->readSint16LE();
- _frameCoords[i].top = _stream->readSint16LE();
- _frameCoords[i].right = _stream->readSint16LE();
- _frameCoords[i].bottom = _stream->readSint16LE();
- }
- }
-
- // Seek to the first frame
- _stream->seek(_firstFramePos, SEEK_SET);
-
- // Allocating working memory
- _frameData = new byte[_frameDataSize + 500];
- assert(_frameData);
- memset(_frameData, 0, _frameDataSize + 500);
- _vidBuffer = new byte[_vidBufferSize + 500];
- assert(_vidBuffer);
- memset(_vidBuffer, 0, _vidBufferSize + 500);
-
- return true;
-}
-
-void Imd::unload() {
- clear();
-}
-
-void Imd::setFrameRate(int16 frameRate) {
- if (frameRate == 0)
- frameRate = 1;
-
- _frameRate = frameRate;
- _frameLength = 1000 / _frameRate;
-}
-
-void Imd::setXY(int16 x, int16 y) {
- // Adjusting the standard coordinates
- if (_stdX != -1) {
- if (x >= 0)
- _stdX = _stdX - _x + x;
- if (y >= 0)
- _stdY = _stdY - _y + y;
- }
-
- // Going through the coordinate table as well
- if (_frameCoords) {
- for (int i = 0; i < _framesCount; i++) {
- if (_frameCoords[i].left != -1) {
- if (x >= 0) {
- _frameCoords[i].left = _frameCoords[i].left - _x + x;
- _frameCoords[i].right = _frameCoords[i].right - _x + x;
- }
- if (y >= 0) {
- _frameCoords[i].top = _frameCoords[i].top - _y + y;
- _frameCoords[i].bottom = _frameCoords[i].bottom - _y + y;
- }
- }
- }
- }
-
- if (x >= 0)
- _x = x;
- if (y >= 0)
- _y = y;
-}
-
-void Imd::setVideoMemory(byte *vidMem, uint16 width, uint16 height) {
- deleteVidMem();
-
- _hasOwnVidMem = false;
- _vidMem = vidMem;
- _vidMemWidth = width;
- _vidMemHeight = height;
-}
-
-void Imd::setVideoMemory() {
- deleteVidMem();
-
- if ((_width > 0) && (_height > 0)) {
- setXY(0, 0);
- _hasOwnVidMem = true;
- _vidMem = new byte[_width * _height];
- _vidMemWidth = _width;
- _vidMemHeight = _height;
- }
-}
-
-void Imd::enableSound(Audio::Mixer &mixer) {
- // Only possible on the first frame
- if (_curFrame > 0)
- return;
-
- _mixer = &mixer;
- _soundEnabled = true;
-}
-
-void Imd::disableSound() {
- if (_audioStream) {
-
- if (_soundStage == 2) {
- _audioStream->finish();
- _mixer->stopHandle(_audioHandle);
- } else
- delete _audioStream;
-
- _audioStream = 0;
- _soundStage = 0;
- }
- _soundEnabled = false;
- _mixer = 0;
-}
-
-bool Imd::isSoundPlaying() const {
- if (_audioStream && _mixer->isSoundHandleActive(_audioHandle))
- return true;
-
- return false;
-}
-
-void Imd::seekFrame(int32 frame, int16 whence, bool restart) {
- if (!_stream)
- // Nothing to do
- return;
-
- // Find the frame to which to seek
- if (whence == SEEK_CUR)
- frame += _curFrame;
- else if (whence == SEEK_END)
- frame = _framesCount - frame - 1;
- else if (whence != SEEK_SET)
- return;
-
- if ((frame < 0) || (frame >= _framesCount) || (frame == _curFrame))
- // Nothing to do
- return;
-
- // Try every possible way to find a file offset to that frame
- uint32 framePos = 0;
- if (frame == 0) {
- framePos = _firstFramePos;
- } else if (frame == 1) {
- framePos = _firstFramePos;
- _stream->seek(framePos, SEEK_SET);
- framePos += _stream->readUint16LE() + 4;
- } else if (_framesPos) {
- framePos = _framesPos[frame];
- } else if (restart && (_soundStage == 0)) {
- for (int i = ((frame > _curFrame) ? _curFrame : 0); i <= frame; i++)
- processFrame(i);
- } else
- error("Frame %d is not directly accessible", frame);
-
- // Seek
- _stream->seek(framePos);
- _curFrame = frame;
-}
-
-CoktelVideo::State Imd::nextFrame() {
- return processFrame(_curFrame);
-}
-
-void Imd::waitEndFrame() {
- if (_soundEnabled && _hasSound) {
- if (_soundStage != 2)
- return;
-
- if (_skipFrames == 0) {
- int32 waitTime = (int16) (((_curFrame * _soundSliceLength) -
- (_mixer->getSoundElapsedTime(_audioHandle) << 16)) >> 16);
-
- if (waitTime < 0) {
- _skipFrames = -waitTime / (_soundSliceLength >> 16);
- warning("Video A/V sync broken, skipping %d frame(s)", _skipFrames + 1);
- } else if (waitTime > 0)
- g_system->delayMillis(waitTime);
-
- } else
- _skipFrames--;
- } else
- g_system->delayMillis(_frameLength);
-}
-
-void Imd::copyCurrentFrame(byte *dest,
- uint16 left, uint16 top, uint16 width, uint16 height,
- uint16 x, uint16 y, uint16 pitch, int16 transp) {
-
- if (!_vidMem)
- return;
-
- if (((left + width) > _width) || ((top + height) > _height))
- return;
-
- dest += pitch * y;
- byte *vidMem = _vidMem + _width * top;
-
- if (transp < 0) {
- // No transparency
- if ((x > 0) || (left > 0) || (pitch != _width) || (width != _width)) {
- // Copy row-by-row
- for (int i = 0; i < height; i++) {
- byte *d = dest + x;
- byte *s = vidMem + left;
-
- memcpy(d, s, width);
-
- dest += pitch;
- vidMem += _width;
- }
- } else
- // Dimensions fit, copy everything at once
- memcpy(dest, vidMem, width * height);
-
- return;
- }
-
- for (int i = 0; i < height; i++) {
- byte *d = dest + x;
- byte *s = vidMem + left;
-
- for (int j = 0; j < width; j++) {
- if (*s != transp)
- *d = *s;
-
- s++;
- d++;
- }
-
- dest += pitch;
- vidMem += _width;
- }
-
-}
-
-void Imd::deleteVidMem(bool del) {
- if (del) {
- if (_hasOwnVidMem)
- delete[] _vidMem;
- }
-
- _hasOwnVidMem = false;
- _vidMem = 0;
- _vidMemWidth = _vidMemHeight = 0;
-}
-
-void Imd::clear(bool del) {
- if (del) {
- delete[] _framesPos;
- delete[] _frameCoords;
- delete[] _frameData;
- delete[] _vidBuffer;
-
- disableSound();
- }
-
- _stream = 0;
-
- _version = 0;
- _features = 0;
- _flags = 0;
- _x = _y = _width = _height = 0;
- _stdX = _stdY = _stdWidth = _stdHeight = 0;
- _framesCount = _curFrame = 0;
- _framesPos = 0;
- _firstFramePos = 0;
- _frameCoords = 0;
-
- _frameDataSize = _vidBufferSize = 0;
- _frameData = _vidBuffer = 0;
- _frameDataLen = 0;
-
- memset(_palette, 0, 768);
-
- deleteVidMem(del);
-
- _hasSound = false;
- _soundEnabled = false;
- _soundStage = 0;
- _skipFrames = 0;
-
- _soundFlags = 0;
- _soundFreq = 0;
- _soundSliceSize = 0;
- _soundSlicesCount = 0;
- _soundSliceLength = 0;
-
- _audioStream = 0;
-
- _frameRate = 12;
- _frameLength = 0;
- _lastFrameTime = 0;
-}
-
-CoktelVideo::State Imd::processFrame(uint16 frame) {
- State state;
- uint32 cmd = 0;
- bool hasNextCmd = false;
- bool startSound = false;
-
- if (!_stream || (frame >= _framesCount)) {
- state.flags = kStateBreak;
- return state;
- }
-
- if (frame != _curFrame) {
- state.flags |= kStateSeeked;
- seekFrame(frame);
- }
-
- if (!_vidMem)
- setVideoMemory();
-
- state.left = _x;
- state.top = _y;
- state.right = _width + state.left - 1;
- state.bottom = _height + state.top - 1;
-
- do {
- if (frame != 0) {
- if (_stdX != -1) {
- state.left = _stdX;
- state.top = _stdY;
- state.right = _stdWidth + state.left - 1;
- state.bottom = _stdHeight + state.top - 1;
- state.flags |= kStateStdCoords;
- }
- if (_frameCoords &&
- (_frameCoords[frame].left != -1)) {
- state.left = _frameCoords[frame].left;
- state.top = _frameCoords[frame].top;
- state.right = _frameCoords[frame].right;
- state.bottom = _frameCoords[frame].bottom;
- state.flags |= kStateFrameCoords;
- }
- }
-
- cmd = _stream->readUint16LE();
-
- if ((cmd & 0xFFF8) == 0xFFF0) {
- if (cmd == 0xFFF0) {
- _stream->seek(2, SEEK_CUR);
- cmd = _stream->readUint16LE();
- }
-
- if (cmd == 0xFFF1) {
- state.flags = kStateBreak;
- continue;
- } else if (cmd == 0xFFF2) { // Skip (16 bit)
- cmd = _stream->readUint16LE();
- _stream->seek(cmd, SEEK_CUR);
- state.flags = kStateBreak;
- continue;
- } else if (cmd == 0xFFF3) { // Skip (32 bit)
- cmd = _stream->readUint32LE();
- _stream->seek(cmd, SEEK_CUR);
- state.flags = kStateBreak;
- continue;
- }
- }
-
- if (_soundStage != 0) {
- byte *soundBuf;
-
- // Next sound slice data
- if (cmd == 0xFF00) {
-
- if (!hasNextCmd && _soundEnabled) {
- soundBuf = new byte[_soundSliceSize];
- assert(soundBuf);
-
- _stream->read(soundBuf, _soundSliceSize);
- unsignedToSigned(soundBuf, _soundSliceSize);
- _audioStream->queueBuffer(soundBuf, _soundSliceSize);
- } else
- _stream->seek(_soundSliceSize, SEEK_CUR);
-
- cmd = _stream->readUint16LE();
-
- // Initial sound data (all slices)
- } else if (cmd == 0xFF01) {
- int dataLength = _soundSliceSize * _soundSlicesCount;
-
- if (!hasNextCmd && _soundEnabled) {
- soundBuf = new byte[dataLength];
- assert(soundBuf);
-
- _stream->read(soundBuf, dataLength);
- unsignedToSigned(soundBuf, dataLength);
-
- if (_soundStage == 1)
- startSound = true;
-
- _audioStream->queueBuffer(soundBuf, dataLength);
- } else
- _stream->seek(dataLength, SEEK_CUR);
-
- cmd = _stream->readUint16LE();
-
- // Empty sound slice
- } else if (!hasNextCmd && (_soundEnabled)) {
- soundBuf = new byte[_soundSliceSize];
- assert(soundBuf);
-
- memset(soundBuf, 0, _soundSliceSize);
-
- _audioStream->queueBuffer(soundBuf, _soundSliceSize);
- }
- }
-
- // Set palette
- if (cmd == 0xFFF4) {
- _stream->seek(2, SEEK_CUR);
- state.flags |= kStatePalette;
-
- _stream->read(_palette, 768);
- cmd = _stream->readUint16LE();
- }
-
- hasNextCmd = false;
-
- // Jump to frame
- if (cmd == 0xFFFD) {
-
- frame = _stream->readSint16LE();
- if (_framesPos) {
- _curFrame = frame;
- _stream->seek(_framesPos[frame], SEEK_SET);
-
- hasNextCmd = true;
- state.flags |= kStateJump;
- }
-
- } else if (cmd == 0xFFFC) {
-
- state.flags |= 1;
- cmd = _stream->readUint32LE();
- _stream->read(_frameData, cmd + 2);
- _frameDataLen = cmd + 2;
-
- if (_vidMemWidth <= state.right) {
- state.left = 0;
- state.right -= state.left;
- }
- if (_vidMemWidth <= state.right)
- state.right = _vidMemWidth - 1;
- if (_vidMemHeight <= state.bottom) {
- state.top = 0;
- state.bottom -= state.top;
- }
- if (_vidMemHeight <= state.bottom)
- state.bottom = _vidMemHeight -1;
-
- state.flags |= renderFrame(state.left, state.top, state.right, state.bottom);
- state.flags |= _frameData[0];
-
- // Frame video data
- } else if (cmd != 0) {
-
- _stream->read(_frameData, cmd + 2);
- _frameDataLen = cmd + 2;
-
- state.flags |= renderFrame(state.left, state.top, state.right, state.bottom);
- state.flags |= _frameData[0];
-
- } else
- state.flags |= kStateNoVideoData;
-
- } while (hasNextCmd);
-
- if (startSound && _soundEnabled) {
- _mixer->playInputStream(Audio::Mixer::kSFXSoundType, &_audioHandle, _audioStream);
- _skipFrames = 0;
- _soundStage = 2;
- }
-
- _curFrame++;
- if ((_curFrame == _framesCount) && (_soundStage == 2)) {
- _audioStream->finish();
- _mixer->stopHandle(_audioHandle);
- _audioStream = 0;
- _soundStage = 0;
- }
-
- _lastFrameTime = g_system->getMillis();
- return state;
-}
-
-uint32 Imd::renderFrame(int16 left, int16 top, int16 right, int16 bottom) {
- if (!_frameData || !_vidMem || (_width <= 0) || (_height <= 0))
- return 0;
-
- uint32 retVal = 0;
- int16 width = right - left + 1;
- int16 height = bottom - top + 1;
- int16 sW = _vidMemWidth;
- byte *dataPtr = _frameData;
- byte *imdVidMem = _vidMem + sW * top + left;
- byte *srcPtr;
- uint8 type = *dataPtr++;
-
- if (type & 0x10) { // Palette data
- // One byte index
- int index = *dataPtr++;
- // 16 entries with each 3 bytes (RGB)
- memcpy(_palette + index * 3, dataPtr, MIN((255 - index) * 3, 48));
-
- retVal = kStatePalette;
- dataPtr += 48;
- type ^= 0x10;
- }
-
- srcPtr = dataPtr;
-
- if (type & 0x80) { // Frame data is compressed
- srcPtr = _vidBuffer;
- type &= 0x7F;
- if ((type == 2) && (width == sW)) {
- deLZ77(imdVidMem, dataPtr);
- return retVal;
- } else
- deLZ77(srcPtr, dataPtr);
- }
-
- uint16 pixCount, pixWritten;
- byte *imdVidMemBak;
-
- if (type == 2) { // Whole block
- for (int i = 0; i < height; i++) {
- memcpy(imdVidMem, srcPtr, width);
- srcPtr += width;
- imdVidMem += sW;
- }
- } else if (type == 1) { // Sparse block
- imdVidMemBak = imdVidMem;
- for (int i = 0; i < height; i++) {
- pixWritten = 0;
- while (pixWritten < width) {
- pixCount = *srcPtr++;
- if (pixCount & 0x80) { // Data
- pixCount = MIN((pixCount & 0x7F) + 1, width - pixWritten);
- memcpy(imdVidMem, srcPtr, pixCount);
-
- pixWritten += pixCount;
- imdVidMem += pixCount;
- srcPtr += pixCount;
- } else { // "Hole"
- pixCount = (pixCount + 1) % 256;
- pixWritten += pixCount;
- imdVidMem += pixCount;
- }
- }
- imdVidMemBak += sW;
- imdVidMem = imdVidMemBak;
- }
- } else if (type == 0x42) { // Whole quarter-wide block
- for (int i = 0; i < height; i++) {
- imdVidMemBak = imdVidMem;
-
- for (int j = 0; j < width; j += 4, imdVidMem += 4, srcPtr++)
- memset(imdVidMem, *srcPtr, 4);
-
- imdVidMemBak += sW;
- imdVidMem = imdVidMemBak;
- }
- } else if ((type & 0xF) == 2) { // Whole half-high block
- for (; height > 1; height -= 2, imdVidMem += sW + sW, srcPtr += width) {
- memcpy(imdVidMem, srcPtr, width);
- memcpy(imdVidMem + sW, srcPtr, width);
- }
- if (height == -1)
- memcpy(imdVidMem, srcPtr, width);
- } else { // Sparse half-high block
- imdVidMemBak = imdVidMem;
- for (int i = 0; i < height; i += 2) {
- pixWritten = 0;
- while (pixWritten < width) {
- pixCount = *srcPtr++;
- if (pixCount & 0x80) { // Data
- pixCount = MIN((pixCount & 0x7F) + 1, width - pixWritten);
- memcpy(imdVidMem, srcPtr, pixCount);
- memcpy(imdVidMem + sW, srcPtr, pixCount);
-
- pixWritten += pixCount;
- imdVidMem += pixCount;
- srcPtr += pixCount;
- } else { // "Hole"
- pixCount = (pixCount + 1) % 256;
- pixWritten += pixCount;
- imdVidMem += pixCount;
- }
- }
- imdVidMemBak += sW + sW;
- imdVidMem = imdVidMemBak;
- }
- }
-
- return retVal;
-}
-
-void Imd::deLZ77(byte *dest, byte *src) {
- int i;
- byte buf[4370];
- uint16 chunkLength;
- uint32 frameLength;
- uint16 bufPos1;
- uint16 bufPos2;
- uint16 tmp;
- uint8 chunkBitField;
- uint8 chunkCount;
- bool mode;
-
- frameLength = READ_LE_UINT32(src);
- src += 4;
-
- if ((READ_LE_UINT16(src) == 0x1234) && (READ_LE_UINT16(src + 2) == 0x5678)) {
- src += 4;
- bufPos1 = 273;
- mode = 1; // 123Ch (cmp al, 12h)
- } else {
- bufPos1 = 4078;
- mode = 0; // 275h (jnz +2)
- }
-
- memset(buf, 32, bufPos1);
- chunkCount = 1;
- chunkBitField = 0;
-
- while (frameLength > 0) {
- chunkCount--;
- if (chunkCount == 0) {
- tmp = *src++;
- chunkCount = 8;
- chunkBitField = tmp;
- }
- if (chunkBitField % 2) {
- chunkBitField >>= 1;
- buf[bufPos1] = *src;
- *dest++ = *src++;
- bufPos1 = (bufPos1 + 1) % 4096;
- frameLength--;
- continue;
- }
- chunkBitField >>= 1;
-
- tmp = READ_LE_UINT16(src);
- src += 2;
- chunkLength = ((tmp & 0xF00) >> 8) + 3;
-
- if ((mode && ((chunkLength & 0xFF) == 0x12)) ||
- (!mode && (chunkLength == 0)))
- chunkLength = *src++ + 0x12;
-
- bufPos2 = (tmp & 0xFF) + ((tmp >> 4) & 0x0F00);
- if (((tmp + chunkLength) >= 4096) ||
- ((chunkLength + bufPos1) >= 4096)) {
-
- for (i = 0; i < chunkLength; i++, dest++) {
- *dest = buf[bufPos2];
- buf[bufPos1] = buf[bufPos2];
- bufPos1 = (bufPos1 + 1) % 4096;
- bufPos2 = (bufPos2 + 1) % 4096;
- }
-
- } else if (((tmp + chunkLength) < bufPos1) ||
- ((chunkLength + bufPos1) < bufPos2)) {
-
- memcpy(dest, buf + bufPos2, chunkLength);
- memmove(buf + bufPos1, buf + bufPos2, chunkLength);
-
- dest += chunkLength;
- bufPos1 += chunkLength;
- bufPos2 += chunkLength;
-
- } else {
-
- for (i = 0; i < chunkLength; i++, dest++, bufPos1++, bufPos2++) {
- *dest = buf[bufPos2];
- buf[bufPos1] = buf[bufPos2];
- }
-
- }
- frameLength -= chunkLength;
-
- }
-}
-
-const uint16 Vmd::_tableADPCM[128] = {
- 0x0000, 0x0008, 0x0010, 0x0020, 0x0030, 0x0040, 0x0050, 0x0060, 0x0070, 0x0080,
- 0x0090, 0x00A0, 0x00B0, 0x00C0, 0x00D0, 0x00E0, 0x00F0, 0x0100, 0x0110, 0x0120,
- 0x0130, 0x0140, 0x0150, 0x0160, 0x0170, 0x0180, 0x0190, 0x01A0, 0x01B0, 0x01C0,
- 0x01D0, 0x01E0, 0x01F0, 0x0200, 0x0208, 0x0210, 0x0218, 0x0220, 0x0228, 0x0230,
- 0x0238, 0x0240, 0x0248, 0x0250, 0x0258, 0x0260, 0x0268, 0x0270, 0x0278, 0x0280,
- 0x0288, 0x0290, 0x0298, 0x02A0, 0x02A8, 0x02B0, 0x02B8, 0x02C0, 0x02C8, 0x02D0,
- 0x02D8, 0x02E0, 0x02E8, 0x02F0, 0x02F8, 0x0300, 0x0308, 0x0310, 0x0318, 0x0320,
- 0x0328, 0x0330, 0x0338, 0x0340, 0x0348, 0x0350, 0x0358, 0x0360, 0x0368, 0x0370,
- 0x0378, 0x0380, 0x0388, 0x0390, 0x0398, 0x03A0, 0x03A8, 0x03B0, 0x03B8, 0x03C0,
- 0x03C8, 0x03D0, 0x03D8, 0x03E0, 0x03E8, 0x03F0, 0x03F8, 0x0400, 0x0440, 0x0480,
- 0x04C0, 0x0500, 0x0540, 0x0580, 0x05C0, 0x0600, 0x0640, 0x0680, 0x06C0, 0x0700,
- 0x0740, 0x0780, 0x07C0, 0x0800, 0x0900, 0x0A00, 0x0B00, 0x0C00, 0x0D00, 0x0E00,
- 0x0F00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000
-};
-
-Vmd::Vmd(Graphics::PaletteLUT *palLUT) : _palLUT(palLUT) {
- clear(false);
-}
-
-Vmd::~Vmd() {
- clear();
-}
-
-bool Vmd::load(Common::SeekableReadStream &stream) {
- unload();
-
- _stream = &stream;
-
- uint16 headerLength = _stream->readUint16LE();
- uint16 handle = _stream->readUint16LE();
- _version = _stream->readUint16LE();
-
- if (!(_version & 2))
- _features |= kFeaturesPalette;
- else
- _features |= kFeaturesFullColor;
-
- // 0x4 (4)
-
- // Version checking
- if (headerLength != 814) {
- warning("VMD Version incorrect (%d, %d, %d)", headerLength, handle, _version);
- unload();
- return false;
- }
-
- _framesCount = _stream->readUint16LE();
-
- // 0x6 (6)
-
- _x = _stream->readSint16LE();
- _y = _stream->readSint16LE();
- _width = _stream->readSint16LE();
- _height = _stream->readSint16LE();
-
- // 0xE (14)
-
- if ((_width != 0) && (_height != 0)) {
- _hasVideo = true;
- _features |= kFeaturesVideo;
- if (_features & kFeaturesFullColor)
- _codecIndeo3 = new Indeo3(_width, _height, _palLUT);
- } else
- _hasVideo = false;
-
- if (_width > 320) {
- if (!(_version & 4)) {
- _version |= 4;
- handle = 0;
- }
- }
-
- if (handle > 2) {
- warning("VMD Version incorrect (%d, %d, %d)", headerLength, handle, _version);
- unload();
- return false;
- }
-
- _bytesPerPixel = handle + 1;
-
- if (_bytesPerPixel > 1) {
- _features |= kFeaturesFullColor;
- _features &= ~kFeaturesPalette;
- }
-
- _flags = _stream->readUint16LE();
-
- _partsPerFrame = _stream->readUint16LE();
- _firstFramePos = _stream->readUint32LE();
- _stream->skip(4); // Unknown
-
- // 0x1A (26)
-
- _stream->read((byte *) _palette, 768);
-
- // 0x31A (794)
-
- _frameDataSize = _stream->readUint32LE();
- _vidBufferSize = _stream->readUint32LE();
-
- _doubleMode = false;
-
- if ((_version & 2) && !(_version & 8)) {
- _externalCodec = true;
- _frameDataSize = _vidBufferSize = 0;
- } else
- _externalCodec = false;
-
- _preScaleX = 1;
- _postScaleX = 1;
-
- if (_externalCodec)
- _blitMode = 0;
- else if (_bytesPerPixel == 1)
- _blitMode = 0;
- else if ((_bytesPerPixel == 2) || (_bytesPerPixel == 3)) {
- int n = (_flags & 0x80) ? 2 : 3;
-
- _blitMode = n - 1;
-
- if (_bytesPerPixel == 2) {
- _preScaleX = n;
- _postScaleX = 1;
- } else if (_bytesPerPixel == 3) {
- _preScaleX = 1;
- _postScaleX = n;
- }
-
- _bytesPerPixel = n;
- }
-
- _scaleExternalX = 1;
- if (!_externalCodec && !(_flags & 0x1000))
- _scaleExternalX = _bytesPerPixel;
-
- // 0x322 (802)
-
- if (_hasVideo) {
- if ((_frameDataSize == 0) || (_frameDataSize > 1048576))
- _frameDataSize = _width * _height + 1000;
- if ((_vidBufferSize == 0) || (_vidBufferSize > 1048576))
- _vidBufferSize = _frameDataSize;
-
- _frameData = new byte[_frameDataSize];
- assert(_frameData);
- memset(_frameData, 0, _frameDataSize);
-
- _vidBuffer = new byte[_vidBufferSize];
- assert(_vidBuffer);
- memset(_vidBuffer, 0, _vidBufferSize);
-
- if (_blitMode > 0) {
- _vidMemBuffer = new byte[_bytesPerPixel * (_width * _height + 1000)];
- memset(_vidMemBuffer, 0, _bytesPerPixel * (_width * _height + 1000));
- }
- }
-
- if (_externalCodec && _codecIndeo3)
- _features |= kFeaturesSupportsDouble;
-
- _soundFreq = _stream->readSint16LE();
- _soundSliceSize = _stream->readSint16LE();
- _soundSlicesCount = _stream->readSint16LE();
- _soundFlags = _stream->readUint16LE();
- _hasSound = (_soundFreq != 0);
-
- // 0x32A (810)
-
- if (_hasSound) {
- _features |= kFeaturesSound;
-
- _soundStereo = (_soundFlags & 0x8000) ? 1 : ((_soundFlags & 0x200) ? 2 : 0);
- if (_soundStereo > 0) {
- warning("TODO: VMD stereo");
- unload();
- return false;
- }
-
- if (_soundSliceSize < 0) {
- _soundBytesPerSample = 2;
- _soundSliceSize = -_soundSliceSize;
- }
-
- _soundSliceLength = (uint32) (((double) (1000 << 16)) /
- ((double) _soundFreq / (double) _soundSliceSize));
- _frameLength = _soundSliceLength >> 16;
-
- _soundStage = 1;
- _audioStream = Audio::makeAppendableAudioStream(_soundFreq,
- (_soundBytesPerSample == 2) ? Audio::Mixer::FLAG_16BITS : 0);
- } else
- _frameLength = 1000 / _frameRate;
-
- _frameInfoOffset = _stream->readUint32LE();
-
- int numExtraData = 0;
-
- _stream->seek(_frameInfoOffset);
- _frames = new Frame[_framesCount];
- for (uint16 i = 0; i < _framesCount; i++) {
- _frames[i].parts = new Part[_partsPerFrame];
- _stream->skip(2); // Unknown
- _frames[i].offset = _stream->readUint32LE();
- }
- for (uint16 i = 0; i < _framesCount; i++) {
- bool separator = false;
-
- for (uint16 j = 0; j < _partsPerFrame; j++) {
-
- _frames[i].parts[j].type = (PartType) _stream->readByte();
- _frames[i].parts[j].field_1 = _stream->readByte();
- _frames[i].parts[j].size = _stream->readUint32LE();
-
- if (_frames[i].parts[j].type == kPartTypeAudio) {
-
- _frames[i].parts[j].flags = _stream->readByte();
- _stream->skip(9); // Unknown
-
- } else if (_frames[i].parts[j].type == kPartTypeVideo) {
-
- _frames[i].parts[j].left = _stream->readUint16LE();
- _frames[i].parts[j].top = _stream->readUint16LE();
- _frames[i].parts[j].right = _stream->readUint16LE();
- _frames[i].parts[j].bottom = _stream->readUint16LE();
- _frames[i].parts[j].field_E = _stream->readByte();
- _frames[i].parts[j].flags = _stream->readByte();
-
- } else if (_frames[i].parts[j].type == kPartTypeExtraData) {
- if (!separator)
- numExtraData++;
- _stream->skip(10);
- } else if (_frames[i].parts[j].type == kPartTypeSeparator) {
- separator = true;
- _stream->skip(10);
- } else {
- // Unknow type
- _stream->skip(10);
- }
-
- }
- }
-
- _stream->seek(_firstFramePos);
-
- if (numExtraData == 0)
- return true;
-
- _extraData.reserve(numExtraData);
-
- numExtraData = 0;
-
- uint32 ssize = _stream->size();
- for (uint16 i = 0; i < _framesCount; i++) {
- _stream->seek(_frames[i].offset);
-
- for (uint16 j = 0; j < _partsPerFrame; j++) {
- if (_frames[i].parts[j].type == kPartTypeSeparator)
- break;
-
- if (_frames[i].parts[j].type == kPartTypeExtraData) {
- ExtraData data;
-
- data.offset = _stream->pos() + 20;
- data.size = _frames[i].parts[j].size;
- data.realSize = _stream->readUint32LE();
- _stream->read(data.name, 16);
- data.name[15] = '\0';
-
- _stream->skip(_frames[i].parts[j].size - 20);
-
- if ((((uint32) data.realSize) >= ssize) || (data.name[0] == 0))
- continue;
-
- _extraData.push_back(data);
-
- } else
- _stream->skip(_frames[i].parts[j].size);
- }
- }
-
- _stream->seek(_firstFramePos);
- return true;
-}
-
-void Vmd::unload() {
- clear();
-}
-
-int16 Vmd::getWidth() const {
- return preScaleX(_width);
-}
-
-void Vmd::setXY(int16 x, int16 y) {
-
- x *= _scaleExternalX;
-
- for (int i = 0; i < _framesCount; i++) {
- for (int j = 0; j < _partsPerFrame; j++) {
-
- if (_frames[i].parts[j].type == kPartTypeVideo) {
- if (x >= 0) {
- _frames[i].parts[j].left = _frames[i].parts[j].left - _x + x;
- _frames[i].parts[j].right = _frames[i].parts[j].right - _x + x;
- }
- if (y >= 0) {
- _frames[i].parts[j].top = _frames[i].parts[j].top - _y + y;
- _frames[i].parts[j].bottom = _frames[i].parts[j].bottom - _y + y;
- }
- }
-
- }
- }
-
- if (x >= 0)
- _x = x;
- if (y >= 0)
- _y = y;
-}
-
-void Vmd::setDoubleMode(bool doubleMode) {
- if (_doubleMode == doubleMode)
- return;
-
- if (_vidBuffer) {
- delete[] _vidBuffer;
-
- if (doubleMode)
- _vidBufferSize *= 4;
- else
- _vidBufferSize /= 4;
-
- _vidBuffer = new byte[_vidBufferSize];
- assert(_vidBuffer);
- memset(_vidBuffer, 0, _vidBufferSize);
-
- }
-
- if (_codecIndeo3) {
- delete _codecIndeo3;
-
- _codecIndeo3 = new Indeo3(_width * (doubleMode ? 2 : 1),
- _height * (doubleMode ? 2 : 1), _palLUT);
- }
-
- _doubleMode = doubleMode;
-}
-
-void Vmd::seekFrame(int32 frame, int16 whence, bool restart) {
- if (!_stream)
- // Nothing to do
- return;
-
- // Find the frame to which to seek
- if (whence == SEEK_CUR)
- frame += _curFrame;
- else if (whence == SEEK_END)
- frame = _framesCount - frame - 1;
- else if (whence != SEEK_SET)
- return;
-
- if ((frame < 0) || (frame >= _framesCount))
- // Nothing to do
- return;
-
- // Restart sound
- if (_hasSound && (frame == 0) && (_soundStage == 0) && !_audioStream) {
- _soundStage = 1;
- _audioStream = Audio::makeAppendableAudioStream(_soundFreq,
- (_soundBytesPerSample == 2) ? Audio::Mixer::FLAG_16BITS : 0);
- }
-
- // Seek
- _stream->seek(_frames[frame].offset);
- _curFrame = frame;
-}
-
-CoktelVideo::State Vmd::nextFrame() {
- State state;
-
- state = processFrame(_curFrame);
- _curFrame++;
- return state;
-}
-
-void Vmd::clear(bool del) {
- Imd::clear(del);
-
- if (del) {
- delete _codecIndeo3;
- delete[] _frames;
- delete[] _vidMemBuffer;
- }
-
- _hasVideo = true;
-
- _codecIndeo3 = 0;
-
- _partsPerFrame = 0;
- _frames = 0;
-
- _extraData.clear();
-
- _soundBytesPerSample = 1;
- _soundStereo = 0;
-
- _externalCodec = false;
- _doubleMode = false;
- _blitMode = 0;
- _bytesPerPixel = 1;
- _preScaleX = 1;
- _postScaleX = 1;
- _scaleExternalX = 1;
- _vidMemBuffer = 0;
-}
-
-CoktelVideo::State Vmd::processFrame(uint16 frame) {
- State state;
- bool startSound = false;
-
- seekFrame(frame);
-
- state.flags |= kStateNoVideoData;
- state.left = 0x7FFF;
- state.top = 0x7FFF;
- state.right = 0;
- state.bottom = 0;
-
- if (!_vidMem)
- setVideoMemory();
-
- for (uint16 i = 0; (i < _partsPerFrame) && (frame < _framesCount); i++) {
- Part &part = _frames[frame].parts[i];
-
- if (part.type == kPartTypeAudio) {
- // Next sound slice data
- if (part.flags == 1) {
-
- if (_soundEnabled) {
- filledSoundSlice(part.size);
-
- if (_soundStage == 1)
- startSound = true;
-
- } else
- _stream->skip(part.size);
-
- // Initial sound data (all slices)
- } else if (part.flags == 2) {
-
- if (_soundEnabled) {
- uint32 mask = _stream->readUint32LE();
- filledSoundSlices(part.size - 4, mask);
-
- if (_soundStage == 1)
- startSound = true;
-
- } else
- _stream->skip(part.size);
-
- // Empty sound slice
- } else if (part.flags == 3) {
-
- if (_soundEnabled) {
- emptySoundSlice(_soundSliceSize * _soundBytesPerSample);
-
- if (_soundStage == 1)
- startSound = true;
- }
-
- _stream->skip(part.size);
- } else {
- warning("Unknown sound part type %d", part.flags);
- _stream->skip(part.size);
- }
-
- } else if (part.type == kPartTypeVideo) {
- state.flags &= ~kStateNoVideoData;
-
- uint32 size = part.size;
-
- // New palette
- if (part.flags & 2) {
- uint8 index = _stream->readByte();
- uint8 count = _stream->readByte();
-
- _stream->read(_palette + index * 3, (count + 1) * 3);
- _stream->skip((255 - count) * 3);
-
- state.flags |= kStatePalette;
-
- size -= (768 + 2);
- }
-
- _stream->read(_frameData, size);
- _frameDataLen = size;
-
- int16 l = part.left, t = part.top, r = part.right, b = part.bottom;
- if (renderFrame(l, t, r, b)) {
- if (!_externalCodec) {
- l = preScaleX(l);
- r = preScaleX(r);
- }
- // Rendering succeeded, merging areas
- state.left = MIN(state.left, l);
- state.top = MIN(state.top, t);
- state.right = MAX(state.right, r);
- state.bottom = MAX(state.bottom, b);
- }
-
- } else if (part.type == 4) {
- // Unknown
- _stream->skip(part.size);
- } else {
- // Unknow type
-// warning("Unknown frame part type %d, size %d (%d of %d)", part.type, part.size, i + 1, _partsPerFrame);
- }
- }
-
- if (startSound && _soundEnabled) {
- _mixer->playInputStream(Audio::Mixer::kSFXSoundType, &_audioHandle, _audioStream);
- _skipFrames = 0;
- _soundStage = 2;
- }
-
- if ((_curFrame == (_framesCount - 1)) && (_soundStage == 2)) {
- _audioStream->finish();
- _mixer->stopHandle(_audioHandle);
- _audioStream = 0;
- _soundStage = 0;
- }
-
- // If these are still 0x7FFF, no video data has been processed
- if ((state.left == 0x7FFF) || (state.top == 0x7FFF))
- state.left = state.top = state.right = state.bottom = 0;
-
- _lastFrameTime = g_system->getMillis();
- return state;
-}
-
-void Vmd::deRLE(byte *&srcPtr, byte *&destPtr, int16 len) {
- srcPtr++;
-
- if (len & 1)
- *destPtr++ = *srcPtr++;
-
- len >>= 1;
-
- while (len > 0) {
- uint8 tmp = *srcPtr++;
- if (tmp & 0x80) { // Verbatim copy
- tmp &= 0x7F;
-
- memcpy(destPtr, srcPtr, tmp * 2);
- destPtr += tmp * 2;
- srcPtr += tmp * 2;
- } else { // 2 bytes tmp times
- for (int i = 0; i < tmp; i++) {
- *destPtr++ = srcPtr[0];
- *destPtr++ = srcPtr[1];
- }
- srcPtr += 2;
- }
- len -= tmp;
- }
-}
-
-uint32 Vmd::renderFrame(int16 &left, int16 &top, int16 &right, int16 &bottom) {
- if (!_frameData || !_vidMem || (_width <= 0) || (_height <= 0))
- return 0;
-
- int16 width = right - left + 1;
- int16 height = bottom - top + 1;
- int16 sW = _vidMemWidth;
- int16 sH = _vidMemHeight;
- uint32 dataLen = _frameDataLen;
- byte *dataPtr = _frameData;
- byte *imdVidMem = _vidMem + sW * top + left;
- byte *srcPtr;
- uint8 type;
-
- if ((width < 0) || (height < 0))
- return 1;
-
- byte *dest = imdVidMem;
-
- if (Indeo3::isIndeo3(dataPtr, dataLen)) {
- if (!_codecIndeo3)
- return 0;
-
- if (!_codecIndeo3->decompressFrame(dataPtr, dataLen, _vidBuffer,
- width * (_doubleMode ? 2 : 1), height * (_doubleMode ? 2 : 1)))
- return 0;
-
- type = 2;
- srcPtr = _vidBuffer;
- width = _width * (_doubleMode ? 2 : 1);
- height = _height * (_doubleMode ? 2 : 1);
- right = left + width - 1;
- bottom = top + height - 1;
-
- } else {
-
- if (_externalCodec) {
- warning("Unknown external codec");
- return 0;
- }
-
- type = *dataPtr++;
- srcPtr = dataPtr;
-
- if (_blitMode > 0) {
- dest = _vidMemBuffer + postScaleX(_width) * (top - _y) + postScaleX((left - _x));
- imdVidMem = _vidMem + _vidMemWidth * top + preScaleX(left);
- sW = postScaleX(_width);
- sH = _height;
- }
-
- if (type & 0x80) { // Frame data is compressed
- srcPtr = _vidBuffer;
- type &= 0x7F;
- if ((type == 2) && (postScaleX(width) == sW)) {
- deLZ77(dest, dataPtr);
- blit(imdVidMem, dest, width, height);
- return 1;
- } else
- deLZ77(srcPtr, dataPtr);
- }
-
- }
-
- uint16 pixCount, pixWritten;
- byte *destBak;
-
- if (type == 1) { // Sparse block
- destBak = dest;
- for (int i = 0; i < height; i++) {
- pixWritten = 0;
- while (pixWritten < postScaleX(width)) {
- pixCount = *srcPtr++;
- if (pixCount & 0x80) { // Data
- pixCount = MIN<int>((pixCount & 0x7F) + 1, postScaleX(width) - pixWritten);
- memcpy(dest, srcPtr, pixCount);
-
- pixWritten += pixCount;
- dest += pixCount;
- srcPtr += pixCount;
- } else { // "Hole"
- pixCount = (pixCount + 1) % 256;
- pixWritten += pixCount;
- dest += pixCount;
- }
- }
- destBak += sW;
- dest = destBak;
- }
- } else if (type == 2) { // Whole block
- int16 w = MIN<int32>(postScaleX(width), sW);
- int16 h = MIN(height, sH);
-
- for (int i = 0; i < h; i++) {
- memcpy(dest, srcPtr, w);
- srcPtr += postScaleX(width);
- dest += sW;
- }
-
- } else if (type == 3) { // RLE block
- for (int i = 0; i < height; i++) {
- destBak = dest;
-
- pixWritten = 0;
- while (pixWritten < width) {
- pixCount = *srcPtr++;
- if (pixCount & 0x80) {
- pixCount = (pixCount & 0x7F) + 1;
-
- if (*srcPtr != 0xFF) { // Normal copy
- memcpy(dest, srcPtr, pixCount);
- dest += pixCount;
- srcPtr += pixCount;
- } else
- deRLE(srcPtr, dest, pixCount);
-
- pixWritten += pixCount;
- } else { // "Hole"
- dest += pixCount + 1;
- pixWritten += pixCount + 1;
- }
-
- }
- destBak += sW;
- dest = destBak;
- }
- } else if (type == 0x42) { // Whole quarter-wide block
- for (int i = 0; i < height; i++) {
- destBak = dest;
-
- for (int j = 0; j < width; j += 4, dest += 4, srcPtr++)
- memset(dest, *srcPtr, 4);
-
- destBak += sW;
- dest = destBak;
- }
- } else if ((type & 0xF) == 2) { // Whole half-high block
- for (; height > 1; height -= 2, dest += sW + sW, srcPtr += width) {
- memcpy(dest, srcPtr, width);
- memcpy(dest + sW, srcPtr, width);
- }
- if (height == -1)
- memcpy(dest, srcPtr, width);
- } else { // Sparse half-high block
- destBak = dest;
- for (int i = 0; i < height; i += 2) {
- pixWritten = 0;
- while (pixWritten < width) {
- pixCount = *srcPtr++;
- if (pixCount & 0x80) { // Data
- pixCount = MIN((pixCount & 0x7F) + 1, width - pixWritten);
- memcpy(dest, srcPtr, pixCount);
- memcpy(dest + sW, srcPtr, pixCount);
-
- pixWritten += pixCount;
- dest += pixCount;
- srcPtr += pixCount;
- } else { // "Hole"
- pixCount = (pixCount + 1) % 256;
- pixWritten += pixCount;
- dest += pixCount;
- }
- }
- destBak += sW + sW;
- dest = destBak;
- }
- }
-
- dest = _vidMemBuffer + postScaleX(_width) * (top - _y) + postScaleX(left - _x);
- blit(imdVidMem, dest, width, height);
-
- return 1;
-}
-
-inline int32 Vmd::preScaleX(int32 x) const {
- return x / _preScaleX;
-}
-
-inline int32 Vmd::postScaleX(int32 x) const {
- return x * _postScaleX;
-}
-
-void Vmd::blit(byte *dest, byte *src, int16 width, int16 height) {
- if (_blitMode == 0)
- return;
-
- if (_blitMode == 1)
- blit16(dest, src, preScaleX(_width), preScaleX(width), height);
- else if (_blitMode == 2)
- blit24(dest, src, preScaleX(_width), preScaleX(width), height);
-}
-
-void Vmd::blit16(byte *dest, byte *src, int16 srcPitch, int16 width, int16 height) {
- assert(_palLUT);
-
- Graphics::SierraLight *dither =
- new Graphics::SierraLight(width, _palLUT);
-
- for (int i = 0; i < height; i++) {
- byte *d = dest;
- byte *s = src;
-
- for (int j = 0; j < width; j++, s += 2) {
- uint16 data = READ_LE_UINT16(s);
- byte r = ((data & 0x7C00) >> 10);
- byte g = ((data & 0x03E0) >> 5);
- byte b = ((data & 0x001F) >> 0);
- byte dY, dU, dV;
-
- Graphics::PaletteLUT::RGB2YUV(r << 3, g << 3, b << 3, dY, dU, dV);
-
- byte p = dither->dither(dY, dU, dV, j);
-
- if ((dY == 0) || ((r == 0) && (g == 0) && (b == 0)))
- *d++ = 0;
- else
- *d++ = p;
- }
-
- dither->nextLine();
- dest += _vidMemWidth;
- src += 2 * srcPitch;
- }
-
- delete dither;
-}
-
-void Vmd::blit24(byte *dest, byte *src, int16 srcPitch, int16 width, int16 height) {
- assert(_palLUT);
-
- Graphics::SierraLight *dither =
- new Graphics::SierraLight(width, _palLUT);
-
- for (int i = 0; i < height; i++) {
- byte *d = dest;
- byte *s = src;
-
- for (int j = 0; j < width; j++, s += 3) {
- byte r = s[2];
- byte g = s[1];
- byte b = s[0];
- byte dY, dU, dV;
-
- Graphics::PaletteLUT::RGB2YUV(r, g, b, dY, dU, dV);
-
- byte p = dither->dither(dY, dU, dV, j);
-
- if ((dY == 0) || ((r == 0) && (g == 0) && (b == 0)))
- *d++ = 0;
- else
- *d++ = p;
- }
-
- dither->nextLine();
- dest += _vidMemWidth;
- src += 3 * srcPitch;
- }
-
- delete dither;
-}
-
-void Vmd::emptySoundSlice(uint32 size) {
- if (!_audioStream)
- return;
-
- byte *soundBuf = new byte[size];
- assert(soundBuf);
-
- memset(soundBuf, 0, size);
-
- _audioStream->queueBuffer(soundBuf, size);
-}
-
-void Vmd::soundSlice8bit(uint32 size) {
- if (!_audioStream)
- return;
-
- byte *soundBuf = new byte[size];
- assert(soundBuf);
-
- _stream->read(soundBuf, size);
- unsignedToSigned(soundBuf, size);
-
- _audioStream->queueBuffer(soundBuf, size);
-}
-
-void Vmd::soundSlice16bit(uint32 size, int16 &init) {
- if (!_audioStream)
- return;
-
- byte *dataBuf = new byte[size];
- byte *soundBuf = new byte[size * 2];
-
- _stream->read(dataBuf, size);
- deADPCM(soundBuf, dataBuf, init, size);
- _audioStream->queueBuffer(soundBuf, size * 2);
-
- delete[] dataBuf;
-}
-
-void Vmd::filledSoundSlice(uint32 size) {
- if (_soundBytesPerSample == 1) {
- soundSlice8bit(size);
- } else if (_soundBytesPerSample == 2) {
- int16 init = _stream->readSint16LE();
- soundSlice16bit(size - 2, init);
- }
-}
-
-void Vmd::filledSoundSlices(uint32 size, uint32 mask) {
- int n = MIN<int>(_soundSlicesCount - 1, 31);
- for (int i = 0; i < n; i++) {
-
- if (mask & 1)
- emptySoundSlice(_soundSliceSize * _soundBytesPerSample);
- else
- filledSoundSlice(_soundSliceSize + 1);
-
- mask >>= 1;
- }
- if (_soundSlicesCount > 32)
- filledSoundSlice((_soundSlicesCount - 32) * _soundSliceSize);
-}
-
-void Vmd::deADPCM(byte *soundBuf, byte *dataBuf, int16 &init, uint32 n) {
- int16 *out = (int16 *) soundBuf;
-
- int32 s = init;
- for (uint32 i = 0; i < n; i++) {
- if (dataBuf[i] & 0x80)
- s -= _tableADPCM[dataBuf[i] & 0x7F];
- else
- s += _tableADPCM[dataBuf[i]];
-
- s = CLIP<int32>(s, -32768, 32767);
- *out++ = TO_BE_16(s);
- }
-}
-
-bool Vmd::getAnchor(int16 frame, uint16 partType,
- int16 &x, int16 &y, int16 &width, int16 &height) {
-
- uint32 pos = _stream->pos();
-
- _stream->seek(_frameInfoOffset);
- // Offsets to frames
- _stream->skip(_framesCount * 6);
- // Jump to the specified frame
- _stream->skip(_partsPerFrame * frame * 16);
-
- // Find the anchor part
- uint16 i;
- for (i = 0; i < _partsPerFrame; i++) {
- byte type = _stream->readByte();
-
- if ((type == kPartTypeSeparator) || (type == partType))
- break;
-
- _stream->skip(15);
- }
-
- if (i == _partsPerFrame) {
- // No anchor
-
- _stream->seek(pos);
- return false;
- }
-
- _stream->skip(5);
- x = _stream->readSint16LE();
- y = _stream->readSint16LE();
- width = _stream->readSint16LE() - x + 1;
- height = _stream->readSint16LE() - y + 1;
-
- _stream->seek(pos);
- return true;
-}
-
-bool Vmd::hasExtraData(const char *fileName) const {
- for (uint i = 0; i < _extraData.size(); i++)
- if (!scumm_stricmp(_extraData[i].name, fileName))
- return true;
-
- return false;
-}
-
-Common::MemoryReadStream *Vmd::getExtraData(const char *fileName) {
- uint i = 0;
-
- for (i = 0; i < _extraData.size(); i++)
- if (!scumm_stricmp(_extraData[i].name, fileName))
- break;
-
- if (i >= _extraData.size())
- return 0;
-
- if ((_extraData[i].size - 20) != _extraData[i].realSize) {
- warning("Vmd::getExtraData(): Sizes for \"%s\" differ! (%d, %d)",
- fileName, (_extraData[i].size - 20), _extraData[i].realSize);
- return 0;
- }
-
- byte *data = (byte *) malloc(_extraData[i].realSize);
-
- _stream->seek(_extraData[i].offset);
- if (_stream->ioFailed() || (((uint32) _stream->pos()) != _extraData[i].offset)) {
- warning("Vmd::getExtraData(): Can't seek to offset %d to get extra data file \"%s\"",
- _extraData[i].offset, fileName);
- return 0;
- }
-
- _stream->read(data, _extraData[i].realSize);
-
- Common::MemoryReadStream *stream =
- new Common::MemoryReadStream(data, _extraData[i].realSize, true);
-
- return stream;
-}
-
-} // End of namespace Gob
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-20 21:50:39 +0000