diff options
Diffstat (limited to 'video/avi_decoder.h')
-rw-r--r-- | video/avi_decoder.h | 315 |
1 files changed, 151 insertions, 164 deletions
diff --git a/video/avi_decoder.h b/video/avi_decoder.h index fb4dae6711..3bdc0561d1 100644 --- a/video/avi_decoder.h +++ b/video/avi_decoder.h @@ -47,196 +47,183 @@ namespace Video { class Codec; -#define UNKNOWN_HEADER(a) error("Unknown header found -- \'%s\'", tag2str(a)) - -// IDs used throughout the AVI files -// that will be handled by this player -#define ID_RIFF MKTAG('R','I','F','F') -#define ID_AVI MKTAG('A','V','I',' ') -#define ID_LIST MKTAG('L','I','S','T') -#define ID_HDRL MKTAG('h','d','r','l') -#define ID_AVIH MKTAG('a','v','i','h') -#define ID_STRL MKTAG('s','t','r','l') -#define ID_STRH MKTAG('s','t','r','h') -#define ID_VIDS MKTAG('v','i','d','s') -#define ID_AUDS MKTAG('a','u','d','s') -#define ID_MIDS MKTAG('m','i','d','s') -#define ID_TXTS MKTAG('t','x','t','s') -#define ID_JUNK MKTAG('J','U','N','K') -#define ID_STRF MKTAG('s','t','r','f') -#define ID_MOVI MKTAG('m','o','v','i') -#define ID_REC MKTAG('r','e','c',' ') -#define ID_VEDT MKTAG('v','e','d','t') -#define ID_IDX1 MKTAG('i','d','x','1') -#define ID_STRD MKTAG('s','t','r','d') -#define ID_00AM MKTAG('0','0','A','M') -//#define ID_INFO MKTAG('I','N','F','O') - -// Codec tags -#define ID_RLE MKTAG('R','L','E',' ') -#define ID_CRAM MKTAG('C','R','A','M') -#define ID_MSVC MKTAG('m','s','v','c') -#define ID_WHAM MKTAG('W','H','A','M') -#define ID_CVID MKTAG('c','v','i','d') -#define ID_IV32 MKTAG('i','v','3','2') -#define ID_DUCK MKTAG('D','U','C','K') - -struct BITMAPINFOHEADER { - uint32 size; - uint32 width; - uint32 height; - uint16 planes; - uint16 bitCount; - uint32 compression; - uint32 sizeImage; - uint32 xPelsPerMeter; - uint32 yPelsPerMeter; - uint32 clrUsed; - uint32 clrImportant; -}; - -struct WAVEFORMAT { - uint16 tag; - uint16 channels; - uint32 samplesPerSec; - uint32 avgBytesPerSec; - uint16 blockAlign; -}; - -struct PCMWAVEFORMAT : public WAVEFORMAT { - uint16 size; -}; - -struct WAVEFORMATEX : public WAVEFORMAT { - uint16 bitsPerSample; - uint16 size; -}; - -struct AVIOLDINDEX { - uint32 size; - struct Index { - uint32 id; - uint32 flags; - uint32 offset; - uint32 size; - } *indices; -}; - -// Index Flags -enum IndexFlags { - AVIIF_INDEX = 0x10 -}; - -// Audio Codecs -enum { - kWaveFormatNone = 0, - kWaveFormatPCM = 1, - kWaveFormatDK3 = 98 -}; - -struct AVIHeader { - uint32 size; - uint32 microSecondsPerFrame; - uint32 maxBytesPerSecond; - uint32 padding; - uint32 flags; - uint32 totalFrames; - uint32 initialFrames; - uint32 streams; - uint32 bufferSize; - uint32 width; - uint32 height; -}; - -// Flags from the AVIHeader -enum AviFlags { - AVIF_HASINDEX = 0x00000010, - AVIF_MUSTUSEINDEX = 0x00000020, - AVIF_ISINTERLEAVED = 0x00000100, - AVIF_TRUSTCKTYPE = 0x00000800, - AVIF_WASCAPTUREFILE = 0x00010000, - AVIF_WASCOPYRIGHTED = 0x00020000 -}; - -struct AVIStreamHeader { - uint32 size; - uint32 streamType; - uint32 streamHandler; - uint32 flags; - uint16 priority; - uint16 language; - uint32 initialFrames; - uint32 scale; - uint32 rate; - uint32 start; - uint32 length; - uint32 bufferSize; - uint32 quality; - uint32 sampleSize; - Common::Rect frame; -}; - /** * Decoder for AVI videos. * * Video decoder used in engines: * - sci */ -class AviDecoder : public FixedRateVideoDecoder { +class AVIDecoder : public VideoDecoder { public: - AviDecoder(Audio::Mixer *mixer, - Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType); - virtual ~AviDecoder(); + AVIDecoder(Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType); + virtual ~AVIDecoder(); bool loadStream(Common::SeekableReadStream *stream); void close(); - - bool isVideoLoaded() const { return _fileStream != 0; } uint16 getWidth() const { return _header.width; } uint16 getHeight() const { return _header.height; } - uint32 getFrameCount() const { return _header.totalFrames; } - uint32 getTime() const; - const Graphics::Surface *decodeNextFrame(); - Graphics::PixelFormat getPixelFormat() const; - const byte *getPalette() { _dirtyPalette = false; return _palette; } - bool hasDirtyPalette() const { return _dirtyPalette; } protected: - // VideoDecoder API - void updateVolume(); - void updateBalance(); - - // FixedRateVideoDecoder API - Common::Rational getFrameRate() const { return Common::Rational(_vidsHeader.rate, _vidsHeader.scale); } + void readNextPacket(); private: - Audio::Mixer *_mixer; - BITMAPINFOHEADER _bmInfo; - PCMWAVEFORMAT _wvInfo; - AVIOLDINDEX _ixInfo; + struct BitmapInfoHeader { + uint32 size; + uint32 width; + uint32 height; + uint16 planes; + uint16 bitCount; + uint32 compression; + uint32 sizeImage; + uint32 xPelsPerMeter; + uint32 yPelsPerMeter; + uint32 clrUsed; + uint32 clrImportant; + }; + + struct WaveFormat { + uint16 tag; + uint16 channels; + uint32 samplesPerSec; + uint32 avgBytesPerSec; + uint16 blockAlign; + }; + + struct PCMWaveFormat : public WaveFormat { + uint16 size; + }; + + struct WaveFormatEX : public WaveFormat { + uint16 bitsPerSample; + uint16 size; + }; + + struct OldIndex { + uint32 size; + struct Index { + uint32 id; + uint32 flags; + uint32 offset; + uint32 size; + } *indices; + }; + + // Index Flags + enum IndexFlags { + AVIIF_INDEX = 0x10 + }; + + struct AVIHeader { + uint32 size; + uint32 microSecondsPerFrame; + uint32 maxBytesPerSecond; + uint32 padding; + uint32 flags; + uint32 totalFrames; + uint32 initialFrames; + uint32 streams; + uint32 bufferSize; + uint32 width; + uint32 height; + }; + + // Flags from the AVIHeader + enum AVIFlags { + AVIF_HASINDEX = 0x00000010, + AVIF_MUSTUSEINDEX = 0x00000020, + AVIF_ISINTERLEAVED = 0x00000100, + AVIF_TRUSTCKTYPE = 0x00000800, + AVIF_WASCAPTUREFILE = 0x00010000, + AVIF_WASCOPYRIGHTED = 0x00020000 + }; + + struct AVIStreamHeader { + uint32 size; + uint32 streamType; + uint32 streamHandler; + uint32 flags; + uint16 priority; + uint16 language; + uint32 initialFrames; + uint32 scale; + uint32 rate; + uint32 start; + uint32 length; + uint32 bufferSize; + uint32 quality; + uint32 sampleSize; + Common::Rect frame; + }; + + class AVIVideoTrack : public FixedRateVideoTrack { + public: + AVIVideoTrack(int frameCount, const AVIStreamHeader &streamHeader, const BitmapInfoHeader &bitmapInfoHeader); + ~AVIVideoTrack(); + + void decodeFrame(Common::SeekableReadStream *stream); + + uint16 getWidth() const { return _bmInfo.width; } + uint16 getHeight() const { return _bmInfo.height; } + Graphics::PixelFormat getPixelFormat() const; + int getCurFrame() const { return _curFrame; } + int getFrameCount() const { return _frameCount; } + const Graphics::Surface *decodeNextFrame() { return _lastFrame; } + const byte *getPalette() const { _dirtyPalette = false; return _palette; } + bool hasDirtyPalette() const { return _dirtyPalette; } + void markPaletteDirty() { _dirtyPalette = true; } + + protected: + Common::Rational getFrameRate() const { return Common::Rational(_vidsHeader.rate, _vidsHeader.scale); } + + private: + AVIStreamHeader _vidsHeader; + BitmapInfoHeader _bmInfo; + byte _palette[3 * 256]; + mutable bool _dirtyPalette; + int _frameCount, _curFrame; + + Codec *_videoCodec; + const Graphics::Surface *_lastFrame; + Codec *createCodec(); + }; + + class AVIAudioTrack : public AudioTrack { + public: + AVIAudioTrack(const AVIStreamHeader &streamHeader, const PCMWaveFormat &waveFormat, Audio::Mixer::SoundType soundType); + ~AVIAudioTrack(); + + void queueSound(Common::SeekableReadStream *stream); + Audio::Mixer::SoundType getSoundType() const { return _soundType; } + + protected: + Audio::AudioStream *getAudioStream() const; + + private: + // Audio Codecs + enum { + kWaveFormatNone = 0, + kWaveFormatPCM = 1, + kWaveFormatDK3 = 98 + }; + + AVIStreamHeader _audsHeader; + PCMWaveFormat _wvInfo; + Audio::Mixer::SoundType _soundType; + Audio::QueuingAudioStream *_audStream; + Audio::QueuingAudioStream *createAudioStream(); + }; + + OldIndex _ixInfo; AVIHeader _header; - AVIStreamHeader _vidsHeader; - AVIStreamHeader _audsHeader; - byte _palette[3 * 256]; - bool _dirtyPalette; Common::SeekableReadStream *_fileStream; bool _decodedHeader; - Codec *_videoCodec; - Codec *createCodec(); - Audio::Mixer::SoundType _soundType; void runHandle(uint32 tag); void handleList(); void handleStreamHeader(); - void handlePalChange(); - - Audio::SoundHandle *_audHandle; - Audio::QueuingAudioStream *_audStream; - Audio::QueuingAudioStream *createAudioStream(); - void queueAudioBuffer(uint32 chunkSize); }; } // End of namespace Video |