| [9816] | 1 | |
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| 2 | #ifndef HEADER_GUARD_OSGFFMPEG_FFMPEG_IMAGE_STREAM_H |
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| 3 | #define HEADER_GUARD_OSGFFMPEG_FFMPEG_IMAGE_STREAM_H |
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| 4 | |
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| 5 | #include <osg/ImageStream> |
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| 6 | |
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| 7 | #include <OpenThreads/Condition> |
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| 8 | #include <OpenThreads/Thread> |
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| 9 | |
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| 10 | namespace osgFFmpeg |
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| 11 | { |
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| 12 | |
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| 13 | class FFmpegDecoder; |
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| 14 | class FFmpegDecoderAudio; |
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| 15 | class FFmpegDecoderVideo; |
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| 16 | |
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| 17 | template <class T> |
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| 18 | class MessageQueue; |
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| 19 | |
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| 20 | |
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| [9843] | 21 | class FFmpegImageStream : public osg::ImageStream, public OpenThreads::Thread |
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| [9816] | 22 | { |
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| 23 | public: |
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| 24 | |
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| 25 | FFmpegImageStream(); |
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| 26 | FFmpegImageStream(const FFmpegImageStream & image, const osg::CopyOp & copyop = osg::CopyOp::SHALLOW_COPY); |
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| 27 | |
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| 28 | META_Object(osgFFmpeg, FFmpegImageStream); |
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| 29 | |
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| 30 | bool open(const std::string & filename); |
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| 31 | |
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| 32 | virtual void play(); |
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| 33 | virtual void pause(); |
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| 34 | virtual void rewind(); |
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| 35 | virtual void quit(bool waitForThreadToExit = true); |
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| 36 | |
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| [9826] | 37 | virtual void setAudioSink(osg::AudioSinkInterface* audio_sink); |
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| 38 | |
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| [9827] | 39 | void consumeAudioBuffer(void * const buffer, const size_t size); |
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| 40 | |
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| 41 | bool audioStream() const; |
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| 42 | int audioFrequency() const; |
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| 43 | int audioNbChannels() const; |
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| 44 | osg::AudioStream::SampleFormat audioSampleFormat() const; |
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| [9816] | 45 | |
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| 46 | double duration() const; |
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| 47 | |
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| 48 | bool videoAlphaChannel() const; |
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| 49 | double videoAspectRatio() const; |
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| 50 | double videoFrameRate() const; |
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| 51 | |
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| 52 | |
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| 53 | private: |
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| 54 | |
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| 55 | enum Command |
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| 56 | { |
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| 57 | CMD_PLAY, |
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| 58 | CMD_PAUSE, |
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| 59 | CMD_STOP, |
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| 60 | CMD_REWIND |
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| 61 | }; |
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| 62 | |
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| 63 | typedef MessageQueue<Command> CommandQueue; |
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| 64 | typedef OpenThreads::Mutex Mutex; |
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| 65 | typedef OpenThreads::Condition Condition; |
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| 66 | |
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| 67 | virtual ~FFmpegImageStream(); |
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| 68 | virtual void run(); |
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| 69 | virtual void applyLoopingMode(); |
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| 70 | |
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| 71 | bool handleCommand(Command cmd); |
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| 72 | |
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| 73 | void cmdPlay(); |
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| 74 | void cmdPause(); |
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| 75 | void cmdRewind(); |
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| 76 | |
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| 77 | static void publishNewFrame(const FFmpegDecoderVideo &, void * user_data); |
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| 78 | |
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| 79 | FFmpegDecoder * m_decoder; |
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| 80 | CommandQueue * m_commands; |
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| 81 | |
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| 82 | Mutex m_mutex; |
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| 83 | Condition m_frame_published_cond; |
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| 84 | bool m_frame_published_flag; |
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| 85 | }; |
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| 86 | |
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| 87 | } |
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| 88 | |
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| 89 | |
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| 90 | |
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| 91 | #endif // HEADER_GUARD_OSGFFMPEG_FFMPEG_IMAGE_STREAM_H |
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