src/apps/mediaplayer/supplier/VideoTrackSupplier.h

   1 /*
   2  * Copyright 2007, 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 VIDEO_TRACK_SUPPLIER_H
   9 #define VIDEO_TRACK_SUPPLIER_H
  10
  11
  12 #include <MediaDefs.h>
  13 #include <MediaFormats.h>
  14
  15 class VideoTrackSupplier {
  16 public:
  17                                                                 VideoTrackSupplier();
  18         virtual                                         ~VideoTrackSupplier();
  19
  20         virtual const media_format&     Format() const = 0;
  21         virtual status_t                        GetEncodedFormat(media_format* format)
  22                                                                         const = 0;
  23         virtual status_t                        GetCodecInfo(media_codec_info* info) const = 0;
  24         virtual status_t                        ReadFrame(void* buffer,
  25                                                                         bigtime_t* performanceTime,
  26                                                                         const media_raw_video_format& format,
  27                                                                         bool& wasCached) = 0;
  28         virtual status_t                        FindKeyFrameForFrame(int64* frame) = 0;
  29         virtual status_t                        SeekToTime(bigtime_t* performanceTime) = 0;
  30         virtual status_t                        SeekToFrame(int64* frame) = 0;
  31
  32         virtual bigtime_t                       Position() const = 0;
  33         virtual bigtime_t                       Duration() const = 0;
  34         virtual int64                           CurrentFrame() const = 0;
  35
  36         virtual int32                           TrackIndex() const = 0;
  37 };
  38
  39 #endif // VIDEO_TRACK_SUPPLIER_H