src/apps/mediaplayer/supplier/AudioTrackSupplier.h

   1 /*
   2  * Copyright 2007-2008, Haiku. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus <superstippi@gmx.de>
   7  */
   8 #ifndef AUDIO_TRACK_SUPPLIER_H
   9 #define AUDIO_TRACK_SUPPLIER_H
  10
  11 #include <MediaDefs.h>
  12 #include <MediaFormats.h>
  13
  14 #include "AudioReader.h"
  15
  16 class AudioTrackSupplier : public AudioReader {
  17 public:
  18                                                                 AudioTrackSupplier();
  19         virtual                                         ~AudioTrackSupplier();
  20
  21         virtual const media_format&     Format() const = 0;
  22         virtual status_t                        GetEncodedFormat(media_format* format)
  23                                                                         const = 0;
  24         virtual status_t                        GetCodecInfo(media_codec_info* info) const = 0;
  25         virtual bigtime_t                       Duration() const = 0;
  26
  27         virtual int32                           TrackIndex() const = 0;
  28 };
  29
  30 #endif // AUDIO_TRACK_SUPPLIER_H