1// libjingle 2// Copyright 2014 Google Inc. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are met: 6// 7// 1. Redistributions of source code must retain the above copyright notice, 8// this list of conditions and the following disclaimer. 9// 2. Redistributions in binary form must reproduce the above copyright notice, 10// this list of conditions and the following disclaimer in the documentation 11// and/or other materials provided with the distribution. 12// 3. The name of the author may not be used to endorse or promote products 13// derived from this software without specific prior written permission. 14// 15// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 16// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 18// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25// 26 27#ifndef TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_ 28#define TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_ 29 30namespace cricket { 31 32struct CapturedFrame; 33class VideoFrame; 34 35// Creates cricket::VideoFrames, or a subclass of cricket::VideoFrame 36// depending on the subclass of VideoFrameFactory. 37class VideoFrameFactory { 38 public: 39 VideoFrameFactory() {} 40 virtual ~VideoFrameFactory() {} 41 42 // The returned frame aliases the aliased_frame if the input color 43 // space allows for aliasing, otherwise a color conversion will 44 // occur. For safety, |input_frame| must outlive the returned 45 // frame. Returns NULL if conversion fails. 46 virtual VideoFrame* CreateAliasedFrame( 47 const CapturedFrame* input_frame, int width, int height) const = 0; 48}; 49 50} // namespace cricket 51 52#endif // TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_ 53