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-rw-r--r--video/avi_decoder.h317
1 files changed, 152 insertions, 165 deletions
diff --git a/video/avi_decoder.h b/video/avi_decoder.h
index fb4dae6711..a3a262db36 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;
- 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-01 21:12:43 +0000