diff options
author | Matthew Hoops | 2012-08-26 15:39:18 -0400 |
---|---|---|
committer | Matthew Hoops | 2012-08-26 15:41:56 -0400 |
commit | 857b92f8ffececa9c1f990d21a6a8d1630199a62 (patch) | |
tree | 420463df7bf481f8c4e0dcba9bd37e68d999b43d /engines/sci/video/seq_decoder.cpp | |
parent | 1d58ebe133c274643a89f2f4f0d24a2a8ab343c3 (diff) | |
parent | 18e7573dafbffdd509943c8f90f91933b17b0435 (diff) | |
download | scummvm-rg350-857b92f8ffececa9c1f990d21a6a8d1630199a62.tar.gz scummvm-rg350-857b92f8ffececa9c1f990d21a6a8d1630199a62.tar.bz2 scummvm-rg350-857b92f8ffececa9c1f990d21a6a8d1630199a62.zip |
Merge pull request #268 from clone2727/video-rewrite
VideoDecoder upgrade & partial rewrite
Diffstat (limited to 'engines/sci/video/seq_decoder.cpp')
-rw-r--r-- | engines/sci/video/seq_decoder.cpp | 61 |
1 files changed, 29 insertions, 32 deletions
diff --git a/engines/sci/video/seq_decoder.cpp b/engines/sci/video/seq_decoder.cpp index abd64911a7..a7b6346eca 100644 --- a/engines/sci/video/seq_decoder.cpp +++ b/engines/sci/video/seq_decoder.cpp @@ -41,33 +41,44 @@ enum seqFrameTypes { kSeqFrameDiff = 1 }; -SeqDecoder::SeqDecoder() { - _fileStream = 0; - _surface = 0; - _dirtyPalette = false; +SEQDecoder::SEQDecoder(uint frameDelay) : _frameDelay(frameDelay) { } -SeqDecoder::~SeqDecoder() { +SEQDecoder::~SEQDecoder() { close(); } -bool SeqDecoder::loadStream(Common::SeekableReadStream *stream) { +bool SEQDecoder::loadStream(Common::SeekableReadStream *stream) { close(); + addTrack(new SEQVideoTrack(stream, _frameDelay)); + + return true; +} + +SEQDecoder::SEQVideoTrack::SEQVideoTrack(Common::SeekableReadStream *stream, uint frameDelay) { + assert(stream); + assert(frameDelay != 0); _fileStream = stream; + _frameDelay = frameDelay; + _curFrame = -1; + _surface = new Graphics::Surface(); _surface->create(SEQ_SCREEN_WIDTH, SEQ_SCREEN_HEIGHT, Graphics::PixelFormat::createFormatCLUT8()); _frameCount = _fileStream->readUint16LE(); - // Set palette - int paletteChunkSize = _fileStream->readUint32LE(); - readPaletteChunk(paletteChunkSize); + // Set initial palette + readPaletteChunk(_fileStream->readUint32LE()); +} - return true; +SEQDecoder::SEQVideoTrack::~SEQVideoTrack() { + delete _fileStream; + _surface->free(); + delete _surface; } -void SeqDecoder::readPaletteChunk(uint16 chunkSize) { +void SEQDecoder::SEQVideoTrack::readPaletteChunk(uint16 chunkSize) { byte *paletteData = new byte[chunkSize]; _fileStream->read(paletteData, chunkSize); @@ -91,23 +102,7 @@ void SeqDecoder::readPaletteChunk(uint16 chunkSize) { delete[] paletteData; } -void SeqDecoder::close() { - if (!_fileStream) - return; - - _frameDelay = 0; - - delete _fileStream; - _fileStream = 0; - - _surface->free(); - delete _surface; - _surface = 0; - - reset(); -} - -const Graphics::Surface *SeqDecoder::decodeNextFrame() { +const Graphics::Surface *SEQDecoder::SEQVideoTrack::decodeNextFrame() { int16 frameWidth = _fileStream->readUint16LE(); int16 frameHeight = _fileStream->readUint16LE(); int16 frameLeft = _fileStream->readUint16LE(); @@ -142,9 +137,6 @@ const Graphics::Surface *SeqDecoder::decodeNextFrame() { delete[] buf; } - if (_curFrame == -1) - _startTime = g_system->getMillis(); - _curFrame++; return _surface; } @@ -159,7 +151,7 @@ const Graphics::Surface *SeqDecoder::decodeNextFrame() { } \ memcpy(dest + writeRow * SEQ_SCREEN_WIDTH + writeCol, litData + litPos, n); -bool SeqDecoder::decodeFrame(byte *rleData, int rleSize, byte *litData, int litSize, byte *dest, int left, int width, int height, int colorKey) { +bool SEQDecoder::SEQVideoTrack::decodeFrame(byte *rleData, int rleSize, byte *litData, int litSize, byte *dest, int left, int width, int height, int colorKey) { int writeRow = 0; int writeCol = left; int litPos = 0; @@ -237,4 +229,9 @@ bool SeqDecoder::decodeFrame(byte *rleData, int rleSize, byte *litData, int litS return true; } +const byte *SEQDecoder::SEQVideoTrack::getPalette() const { + _dirtyPalette = false; + return _palette; +} + } // End of namespace Sci |