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author | Matthew Hoops | 2011-04-07 00:21:48 -0400 |
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committer | Matthew Hoops | 2011-04-07 00:21:48 -0400 |
commit | db71efd94f6c5454f6f06458a6b4d968dc61ffbd (patch) | |
tree | cf4ca5ec63afbaa24acaf23c62e37e07a6152425 /video/qt_decoder.h | |
parent | b71d2038ae84aa7fd0ee0061f7ea504f35fbe23c (diff) | |
download | scummvm-rg350-db71efd94f6c5454f6f06458a6b4d968dc61ffbd.tar.gz scummvm-rg350-db71efd94f6c5454f6f06458a6b4d968dc61ffbd.tar.bz2 scummvm-rg350-db71efd94f6c5454f6f06458a6b4d968dc61ffbd.zip |
VIDEO: Split the QuickTime parser from the QuickTime VideoDecoder
Diffstat (limited to 'video/qt_decoder.h')
-rw-r--r-- | video/qt_decoder.h | 139 |
1 files changed, 11 insertions, 128 deletions
diff --git a/video/qt_decoder.h b/video/qt_decoder.h index 6a0aa61b20..3da695e559 100644 --- a/video/qt_decoder.h +++ b/video/qt_decoder.h @@ -34,10 +34,8 @@ #ifndef VIDEO_QT_DECODER_H #define VIDEO_QT_DECODER_H -#include "common/array.h" +#include "common/quicktime.h" #include "common/scummsys.h" -#include "common/queue.h" -#include "common/rational.h" #include "video/video_decoder.h" #include "video/codecs/codec.h" @@ -46,7 +44,6 @@ #include "audio/mixer.h" namespace Common { - class File; class MacResManager; } @@ -59,7 +56,7 @@ namespace Video { * - mohawk * - sci */ -class QuickTimeDecoder : public SeekableVideoDecoder { +class QuickTimeDecoder : public SeekableVideoDecoder, public Common::QuickTimeParser { public: QuickTimeDecoder(); virtual ~QuickTimeDecoder(); @@ -106,14 +103,7 @@ public: const byte *getPalette() { _dirtyPalette = false; return _palette; } bool hasDirtyPalette() const { return _dirtyPalette; } - /** - * Set the beginning offset of the video so we can modify the offsets in the stco - * atom of videos inside the Mohawk archives - * @param the beginning offset of the video - */ - void setChunkBeginOffset(uint32 offset) { _beginOffset = offset; } - - bool isVideoLoaded() const { return _fd != 0; } + bool isVideoLoaded() const { return isOpen(); } const Graphics::Surface *decodeNextFrame(); bool endOfVideo() const; uint32 getElapsedTime() const; @@ -125,47 +115,8 @@ public: void seekToTime(Audio::Timestamp time); uint32 getDuration() const { return _duration * 1000 / _timeScale; } -private: - // This is the file handle from which data is read from. It can be the actual file handle or a decompressed stream. - Common::SeekableReadStream *_fd; - - struct MOVatom { - uint32 type; - uint32 offset; - uint32 size; - }; - - struct ParseTable { - int (QuickTimeDecoder::*func)(MOVatom atom); - uint32 type; - }; - - struct MOVstts { - int count; - int duration; - }; - - struct MOVstsc { - uint32 first; - uint32 count; - uint32 id; - }; - - struct EditListEntry { - uint32 trackDuration; - int32 mediaTime; - Common::Rational mediaRate; - }; - - struct SampleDesc { - SampleDesc(); - virtual ~SampleDesc() {} - - uint32 codecTag; - uint16 bitsPerSample; - }; - - struct VideoSampleDesc : public SampleDesc { +protected: + struct VideoSampleDesc : public Common::QuickTimeParser::SampleDesc { VideoSampleDesc(); ~VideoSampleDesc(); @@ -175,7 +126,7 @@ private: Codec *videoCodec; }; - struct AudioSampleDesc : public SampleDesc { + struct AudioSampleDesc : public Common::QuickTimeParser::SampleDesc { AudioSampleDesc(); uint16 channels; @@ -184,62 +135,9 @@ private: uint32 bytesPerFrame; }; - enum CodecType { - CODEC_TYPE_MOV_OTHER, - CODEC_TYPE_VIDEO, - CODEC_TYPE_AUDIO - }; - - struct MOVStreamContext { - MOVStreamContext(); - ~MOVStreamContext(); - - uint32 chunk_count; - uint32 *chunk_offsets; - int stts_count; - MOVstts *stts_data; - uint32 sample_to_chunk_sz; - MOVstsc *sample_to_chunk; - uint32 sample_size; - uint32 sample_count; - uint32 *sample_sizes; - uint32 keyframe_count; - uint32 *keyframes; - int32 time_scale; - int time_rate; - - uint16 width; - uint16 height; - CodecType codec_type; - - Common::Array<SampleDesc *> sampleDescs; - - uint32 editCount; - EditListEntry *editList; - - Common::SeekableReadStream *extradata; - - uint32 nb_frames; - uint32 duration; - uint32 start_time; - Common::Rational scaleFactorX; - Common::Rational scaleFactorY; - }; - - const ParseTable *_parseTable; - bool _foundMOOV; - uint32 _timeScale; - uint32 _duration; - uint32 _numStreams; - Common::Rational _scaleFactorX; - Common::Rational _scaleFactorY; - MOVStreamContext *_streams[20]; - const byte *_palette; - bool _dirtyPalette; - uint32 _beginOffset; - Common::MacResManager *_resFork; + Common::QuickTimeParser::SampleDesc *readSampleDesc(MOVStreamContext *st, uint32 format); - void initParseTable(); +private: Audio::AudioStream *createAudioStream(Common::SeekableReadStream *stream); bool checkAudioCodecSupport(uint32 tag); Common::SeekableReadStream *getNextFramePacket(uint32 &descId); @@ -263,30 +161,15 @@ private: int8 _videoStreamIndex; uint32 findKeyFrame(uint32 frame) const; + bool _dirtyPalette; + const byte *_palette; + Graphics::Surface *_scaledSurface; const Graphics::Surface *scaleSurface(const Graphics::Surface *frame); Common::Rational getScaleFactorX() const; Common::Rational getScaleFactorY() const; void pauseVideoIntern(bool pause); - - int readDefault(MOVatom atom); - int readLeaf(MOVatom atom); - int readELST(MOVatom atom); - int readHDLR(MOVatom atom); - int readMDHD(MOVatom atom); - int readMOOV(MOVatom atom); - int readMVHD(MOVatom atom); - int readTKHD(MOVatom atom); - int readTRAK(MOVatom atom); - int readSTCO(MOVatom atom); - int readSTSC(MOVatom atom); - int readSTSD(MOVatom atom); - int readSTSS(MOVatom atom); - int readSTSZ(MOVatom atom); - int readSTTS(MOVatom atom); - int readCMOV(MOVatom atom); - int readWAVE(MOVatom atom); }; } // End of namespace Video |