src/pipeline-ffmpeg.h

   1 /*
   2  * pipeline.h: Ffmpeg related parts of the pipeline for the media
   3  *
   4  * Contact:
   5  *   Moonlight List (moonlight-list@lists.ximian.com)
   6  *
   7  * Copyright 2007 Novell, Inc. (http://www.novell.com)
   8  *
   9  * See the LICENSE file included with the distribution for details.
  10  *
  11  */
  12
  13 #ifdef INCLUDE_FFMPEG
  14
  15 #ifndef __MOON_PIPELINE_FFMPEG__
  16 #define __MOON_PIPELINE_FFMPEG__
  17
  18 #include <glib.h>
  19
  20 G_BEGIN_DECLS
  21 #include <limits.h>
  22 #if HAVE_LIBAVCODEC_AVCODEC_H
  23 #include <libavcodec/avcodec.h>
  24 #else
  25 #include <avcodec.h>
  26 #endif
  27 G_END_DECLS
  28
  29 #include "pipeline.h"
  30
  31 #define AUDIO_BUFFER_SIZE (AVCODEC_MAX_AUDIO_FRAME_SIZE * 2)
  32
  33 void register_ffmpeg ();
  34
  35 class FfmpegDemuxer : public IMediaDemuxer {
  36 public:
  37         FfmpegDemuxer (Media *media, IMediaSource *source);
  38 };
  39
  40 class FfmpegDecoder : public IMediaDecoder {
  41 private:
  42         AVCodecContext *context;
  43         guint8* audio_buffer;
  44         guint8* frame_buffer;
  45         guint32 frame_buffer_length;
  46         guint64 last_pts;
  47         bool has_delayed_frame;
  48
  49         MediaResult Open ();
  50
  51 protected:
  52         virtual ~FfmpegDecoder () {}
  53         virtual void DecodeFrameAsyncInternal (MediaFrame* frame);
  54         virtual void OpenDecoderAsyncInternal ();
  55
  56 public:
  57         FfmpegDecoder (Media* media, IMediaStream* stream);
  58         virtual void Dispose ();
  59         virtual void Cleanup (MediaFrame* frame);
  60         virtual void CleanState ();
  61         virtual bool HasDelayedFrame () {return has_delayed_frame; }
  62
  63         static PixelFormat ToFfmpegPixFmt (MoonPixelFormat format);
  64         static MoonPixelFormat ToMoonPixFmt (PixelFormat format);
  65 };
  66
  67 class FfmpegDecoderInfo : public DecoderInfo {
  68 public:
  69         virtual bool Supports (const char* codec);
  70         virtual IMediaDecoder* Create (Media* media, IMediaStream* stream);
  71         virtual const char* GetName () { return "FfmpegDecoder"; }
  72 };
  73
  74 #endif // __MOON_PIPELINE_FFMPEG__
  75 #endif // INCLUDE_FFMPEG