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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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36 namespace cricket { | 36 namespace cricket { |
37 | 37 |
38 // Represents a YUV420 (a.k.a. I420) video frame. | 38 // Represents a YUV420 (a.k.a. I420) video frame. |
39 class VideoFrame { | 39 class VideoFrame { |
40 public: | 40 public: |
41 VideoFrame() {} | 41 VideoFrame() {} |
42 virtual ~VideoFrame() {} | 42 virtual ~VideoFrame() {} |
43 | 43 |
44 virtual bool InitToBlack(int w, int h, int64_t time_stamp) = 0; | 44 virtual bool InitToBlack(int w, int h, int64_t time_stamp) = 0; |
45 | 45 |
46 // TODO(nisse): Old signature. Delete after chrome is updated. | |
47 virtual bool InitToBlack(int w, int h, size_t pixel_width, | |
48 size_t pixel_height, int64_t time_stamp) { | |
49 return InitToBlack(w, h, time_stamp); | |
50 } | |
51 // Creates a frame from a raw sample with FourCC |format| and size |w| x |h|. | 46 // Creates a frame from a raw sample with FourCC |format| and size |w| x |h|. |
52 // |h| can be negative indicating a vertically flipped image. | 47 // |h| can be negative indicating a vertically flipped image. |
53 // |dw| is destination width; can be less than |w| if cropping is desired. | 48 // |dw| is destination width; can be less than |w| if cropping is desired. |
54 // |dh| is destination height, like |dw|, but must be a positive number. | 49 // |dh| is destination height, like |dw|, but must be a positive number. |
55 // Returns whether the function succeeded or failed. | 50 // Returns whether the function succeeded or failed. |
56 | 51 |
57 virtual bool Reset(uint32_t fourcc, | 52 virtual bool Reset(uint32_t fourcc, |
58 int w, | 53 int w, |
59 int h, | 54 int h, |
60 int dw, | 55 int dw, |
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208 protected: | 203 protected: |
209 // Creates an empty frame. | 204 // Creates an empty frame. |
210 virtual VideoFrame *CreateEmptyFrame(int w, int h, | 205 virtual VideoFrame *CreateEmptyFrame(int w, int h, |
211 int64_t time_stamp) const = 0; | 206 int64_t time_stamp) const = 0; |
212 virtual void SetRotation(webrtc::VideoRotation rotation) = 0; | 207 virtual void SetRotation(webrtc::VideoRotation rotation) = 0; |
213 }; | 208 }; |
214 | 209 |
215 } // namespace cricket | 210 } // namespace cricket |
216 | 211 |
217 #endif // TALK_MEDIA_BASE_VIDEOFRAME_H_ | 212 #endif // TALK_MEDIA_BASE_VIDEOFRAME_H_ |
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