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| 1 /* | 1 /* |
| 2 * libjingle | 2 * libjingle |
| 3 * Copyright 2004 Google Inc. | 3 * Copyright 2004 Google Inc. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
| 9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 35 #include "webrtc/base/sigslot.h" | 35 #include "webrtc/base/sigslot.h" |
| 36 | 36 |
| 37 namespace cricket { | 37 namespace cricket { |
| 38 | 38 |
| 39 class VideoFrame; | 39 class VideoFrame; |
| 40 | 40 |
| 41 // Abstract interface for rendering VideoFrames. | 41 // Abstract interface for rendering VideoFrames. |
| 42 class VideoRenderer { | 42 class VideoRenderer { |
| 43 public: | 43 public: |
| 44 virtual ~VideoRenderer() {} | 44 virtual ~VideoRenderer() {} |
| 45 // Called when the video has changed size. | |
| 46 // TODO(nisse): This method is not really used, and should be | |
| 47 // deleted. Provide a default do-nothing implementation, to easy the | |
| 48 // transition as the method is deleted in subclasses, in particular, | |
| 49 // chrome's MockVideoRenderer class. | |
| 50 virtual bool SetSize(int width, int height, int reserved) { return true; }; | |
| 51 // Called when a new frame is available for display. | 45 // Called when a new frame is available for display. |
| 52 virtual bool RenderFrame(const VideoFrame *frame) = 0; | 46 virtual bool RenderFrame(const VideoFrame *frame) = 0; |
| 53 | 47 |
| 54 #if !defined(NDEBUG) | 48 #if !defined(NDEBUG) |
| 55 // Allow renderer dumping out rendered frames. | 49 // Allow renderer dumping out rendered frames. |
| 56 virtual bool SetDumpPath(const std::string &path) { return true; } | 50 virtual bool SetDumpPath(const std::string &path) { return true; } |
| 57 #endif | 51 #endif |
| 58 }; | 52 }; |
| 59 | 53 |
| 60 } // namespace cricket | 54 } // namespace cricket |
| 61 | 55 |
| 62 #endif // TALK_MEDIA_BASE_VIDEORENDERER_H_ | 56 #endif // TALK_MEDIA_BASE_VIDEORENDERER_H_ |
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