llmediaimplgstreamer.h

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// header guard
#ifndef llmediaimplgstreamer_h
#define llmediaimplgstreamer_h

#if LL_GSTREAMER_ENABLED

extern "C" {
#include <gst/gst.h>

#include <apr-1/apr_pools.h>
#include <apr-1/apr_dso.h>
}

#include "stdtypes.h"

#include "llmediamoviebase.h"

#include "llmediaimplgstreamervidplug.h"
#ifdef LL_GST_SOUNDSINK
#include "llmediaimplgstreamersndplug.h"
#endif // LL_GST_SOUNDSINK

class LLMediaImplGStreamer:
        public LLMediaMovieBase
{
        public:
                LLMediaImplGStreamer ();
                virtual ~LLMediaImplGStreamer ();

                // implementation of the media public interface

                // housekeeping
                virtual BOOL setBuffer ( U8* bufferIn );
                virtual BOOL init ();
                virtual BOOL load ( const LLString& urlIn );
                virtual BOOL unload ();

                // transport controls
                virtual BOOL stop ();
                virtual BOOL play ();
                virtual BOOL loop ( S32 howMany );
                virtual BOOL pause ();
                virtual BOOL seek ( F64 time );

                // audio levels
                virtual BOOL setVolume ( F32 volumeIn );
                virtual F32 getVolume ();

                // status
                virtual BOOL isIdle () const;
                virtual BOOL isBuffering () const;
                virtual BOOL isError () const;
                virtual BOOL isLoaded () const;
                virtual BOOL isStopped () const;
                virtual BOOL isPaused () const;
                virtual BOOL isPlaying () const;
                virtual BOOL isLooping () const;
                virtual F64 getTime () const;

                // media data
                virtual S32 updateMedia ();
                virtual void setAutoScaled ( BOOL autoScaledIn );
                virtual U8* getMediaData ();
                virtual F64 getMediaDuration () const;

                // class-specific
                GMainLoop *getPump() {return mPump;};
                typedef enum { ModeNone, ModeIdle, ModeError, ModeBuffering, ModeStopped, ModePaused, ModePlaying, ModeLooping } llGstMode;
                llGstMode getCurrentMode() {return currentMode;};
                void setCurrentMode(llGstMode mode) {currentMode = mode;};

        private:
                // misc
                U8* mediaData;
                BOOL ownBuffer;
                BOOL autoScaled;
                F32 mVolume;

                llGstMode currentMode;

                // GStreamer-specific
                GMainLoop *mPump; // event pump for this media
                GstElement *mPlaybin;
                GstSLVideo *mVideoSink;
#ifdef LL_GST_SOUNDSINK
                GstSLSound *mAudioSink;
#endif // LL_GST_SOUNDSINK
};

// called during shutdown when no instances may exist
void UnloadGStreamer();


#endif // LL_GSTREAMER_ENABLED

#endif // llmediaimplgstreamer_h

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