diff options
Diffstat (limited to 'video/dxa_decoder.h')
-rw-r--r-- | video/dxa_decoder.h | 102 |
1 files changed, 57 insertions, 45 deletions
diff --git a/video/dxa_decoder.h b/video/dxa_decoder.h index d13cd3076c..b3f2eca5e2 100644 --- a/video/dxa_decoder.h +++ b/video/dxa_decoder.h @@ -41,62 +41,74 @@ namespace Video { * - sword1 * - sword2 */ -class DXADecoder : public FixedRateVideoDecoder { +class DXADecoder : public VideoDecoder { public: DXADecoder(); virtual ~DXADecoder(); bool loadStream(Common::SeekableReadStream *stream); - void close(); - - bool isVideoLoaded() const { return _fileStream != 0; } - uint16 getWidth() const { return _width; } - uint16 getHeight() const { return _height; } - uint32 getFrameCount() const { return _frameCount; } - const Graphics::Surface *decodeNextFrame(); - Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); } - const byte *getPalette() { _dirtyPalette = false; return _palette; } - bool hasDirtyPalette() const { return _dirtyPalette; } +protected: /** - * Get the sound chunk tag of the loaded DXA file + * Read the sound data out of the given DXA stream */ - uint32 getSoundTag() { return _soundTag; } - -protected: - Common::Rational getFrameRate() const { return _frameRate; } - - Common::SeekableReadStream *_fileStream; + virtual void readSoundData(Common::SeekableReadStream *stream); private: - void decodeZlib(byte *data, int size, int totalSize); - void decode12(int size); - void decode13(int size); - - enum ScaleMode { - S_NONE, - S_INTERLACED, - S_DOUBLE + class DXAVideoTrack : public FixedRateVideoTrack { + public: + DXAVideoTrack(Common::SeekableReadStream *stream); + ~DXAVideoTrack(); + + bool isRewindable() const { return true; } + bool rewind(); + + uint16 getWidth() const { return _width; } + uint16 getHeight() const { return _height; } + Graphics::PixelFormat getPixelFormat() const; + int getCurFrame() const { return _curFrame; } + int getFrameCount() const { return _frameCount; } + const Graphics::Surface *decodeNextFrame(); + const byte *getPalette() const { _dirtyPalette = false; return _palette; } + bool hasDirtyPalette() const { return _dirtyPalette; } + + void setFrameStartPos(); + + protected: + Common::Rational getFrameRate() const { return _frameRate; } + + private: + void decodeZlib(byte *data, int size, int totalSize); + void decode12(int size); + void decode13(int size); + + enum ScaleMode { + S_NONE, + S_INTERLACED, + S_DOUBLE + }; + + Common::SeekableReadStream *_fileStream; + Graphics::Surface *_surface; + + byte *_frameBuffer1; + byte *_frameBuffer2; + byte *_scaledBuffer; + byte *_inBuffer; + uint32 _inBufferSize; + byte *_decompBuffer; + uint32 _decompBufferSize; + uint16 _curHeight; + uint32 _frameSize; + ScaleMode _scaleMode; + uint16 _width, _height; + uint32 _frameRate; + uint32 _frameCount; + byte _palette[256 * 3]; + mutable bool _dirtyPalette; + int _curFrame; + uint32 _frameStartOffset; }; - - Graphics::Surface *_surface; - byte _palette[256 * 3]; - bool _dirtyPalette; - - byte *_frameBuffer1; - byte *_frameBuffer2; - byte *_scaledBuffer; - byte *_inBuffer; - uint32 _inBufferSize; - byte *_decompBuffer; - uint32 _decompBufferSize; - uint16 _curHeight; - uint32 _frameSize; - ScaleMode _scaleMode; - uint32 _soundTag; - uint16 _width, _height; - uint32 _frameRate; - uint32 _frameCount; }; } // End of namespace Video |