talk/media/base/videoframefactory.h

// libjingle
// Copyright 2014 Google Inc.
//
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#ifndef TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_
#define TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_

namespace cricket {

struct CapturedFrame;
class VideoFrame;

// Creates cricket::VideoFrames, or a subclass of cricket::VideoFrame
// depending on the subclass of VideoFrameFactory.
class VideoFrameFactory {
 public:
  VideoFrameFactory() {}
  virtual ~VideoFrameFactory() {}

  // The returned frame aliases the aliased_frame if the input color
  // space allows for aliasing, otherwise a color conversion will
  // occur.  For safety, |input_frame| must outlive the returned
  // frame.  Returns NULL if conversion fails.
  virtual VideoFrame* CreateAliasedFrame(
      const CapturedFrame* input_frame, int width, int height) const = 0;
};

}  // namespace cricket

#endif  // TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_