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/**
* @file llmediaimplgstreamer.h
* @brief implementation that supports media playback via GStreamer.
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
// 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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