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 30 namespace cricket { 31 32 struct CapturedFrame; 33 class VideoFrame; 34 35 // Creates cricket::VideoFrames, or a subclass of cricket::VideoFrame 36 // depending on the subclass of VideoFrameFactory. 37 class 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
