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author | Matthew Hoops | 2012-07-22 14:13:20 -0400 |
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committer | Matthew Hoops | 2012-07-22 14:13:20 -0400 |
commit | 0f0c6f935443212d76422959d040b87fc78d02c7 (patch) | |
tree | 1b3d73762e746e4e957a1b4a0e2ad789946c059c /video/avi_decoder.h | |
parent | 7654b2036268bb56f3b08b88858f2a9e4862b056 (diff) | |
download | scummvm-rg350-0f0c6f935443212d76422959d040b87fc78d02c7.tar.gz scummvm-rg350-0f0c6f935443212d76422959d040b87fc78d02c7.tar.bz2 scummvm-rg350-0f0c6f935443212d76422959d040b87fc78d02c7.zip |
VIDEO: Rewrite the AVI code to use AdvancedVideoDecoder
In addition to using the new API, it should theoretically support multiple audio and video tracks now but that has not been tested.
Diffstat (limited to 'video/avi_decoder.h')
-rw-r--r-- | video/avi_decoder.h | 317 |
1 files changed, 152 insertions, 165 deletions
diff --git a/video/avi_decoder.h b/video/avi_decoder.h index fb4dae6711..010702cce3 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 AdvancedVideoDecoder { 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; - AVIHeader _header; - AVIStreamHeader _vidsHeader; - AVIStreamHeader _audsHeader; - byte _palette[3 * 256]; - bool _dirtyPalette; + 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; 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 |