src/apps/mediaplayer/media_node_framework/video/VideoSupplier.h

   1 /*
   2  * Copyright 2001-2008 Ingo Weinhold <ingo_weinhold@gmx.de>
   3  * Copyright 2001-2008 Stephan Aßmus <superstippi@gmx.de>
   4  * All rights reserved. Distributed under the terms of the MIT licensce.
   5  */
   6 #ifndef VIDEO_SUPPLIER_H
   7 #define VIDEO_SUPPLIER_H
   8
   9
  10 #include <SupportDefs.h>
  11
  12
  13 struct media_raw_video_format;
  14
  15
  16 class VideoSupplier {
  17 public:
  18                                                                 VideoSupplier();
  19         virtual                                         ~VideoSupplier();
  20
  21         virtual status_t                        FillBuffer(int64 startFrame, void* buffer,
  22                                                                         const media_raw_video_format& format,
  23                                                                         bool forceGeneration, bool& wasCached) = 0;
  24
  25         virtual void                            DeleteCaches();
  26
  27         inline  bigtime_t                       ProcessingLatency() const
  28                                                                         { return fProcessingLatency; }
  29
  30 protected:
  31                         bigtime_t                       fProcessingLatency;
  32 };
  33
  34 #endif  // VIDEO_SUPPLIER_H