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1 /* | |
2 * libjingle | |
3 * Copyright 2004 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright notice, | |
9 * this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | |
27 | |
28 #ifndef TALK_MEDIA_BASE_VIDEOPROCESSOR_H_ | |
29 #define TALK_MEDIA_BASE_VIDEOPROCESSOR_H_ | |
30 | |
31 #include "talk/media/base/videoframe.h" | |
32 #include "webrtc/base/sigslot.h" | |
33 | |
34 namespace cricket { | |
35 | |
36 class VideoProcessor : public sigslot::has_slots<> { | |
37 public: | |
38 virtual ~VideoProcessor() {} | |
39 // Contents of frame may be manipulated by the processor. | |
40 // The processed data is expected to be the same size as the | |
41 // original data. VideoProcessors may be chained together and may decide | |
42 // that the current frame should be dropped. If *drop_frame is true, | |
43 // the current processor should skip processing. If the current processor | |
44 // decides it cannot process the current frame in a timely manner, it may set | |
45 // *drop_frame = true and the frame will be dropped. | |
46 virtual void OnFrame(uint32 ssrc, VideoFrame* frame, bool* drop_frame) = 0; | |
47 }; | |
48 | |
49 } // namespace cricket | |
50 #endif // TALK_MEDIA_BASE_VIDEOPROCESSOR_H_ | |
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