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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2014 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_VIDEOFRAMEFACTORY_H_ | |
| 29 #define TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_ | |
| 30 | |
| 31 #include "talk/media/base/videoframe.h" | |
| 32 #include "webrtc/base/scoped_ptr.h" | |
| 33 | |
| 34 namespace cricket { | |
| 35 | |
| 36 struct CapturedFrame; | |
| 37 class VideoFrame; | |
| 38 | |
| 39 // Creates cricket::VideoFrames, or a subclass of cricket::VideoFrame | |
| 40 // depending on the subclass of VideoFrameFactory. | |
| 41 class VideoFrameFactory { | |
| 42 public: | |
| 43 VideoFrameFactory() : apply_rotation_(true) {} | |
| 44 virtual ~VideoFrameFactory() {} | |
| 45 | |
| 46 // The returned frame aliases the aliased_frame if the input color | |
| 47 // space allows for aliasing, otherwise a color conversion will | |
| 48 // occur. Returns NULL if conversion fails. | |
| 49 | |
| 50 // The returned frame will be a center crop of |input_frame| with | |
| 51 // size |cropped_width| x |cropped_height|. | |
| 52 virtual VideoFrame* CreateAliasedFrame(const CapturedFrame* input_frame, | |
| 53 int cropped_width, | |
| 54 int cropped_height) const = 0; | |
| 55 | |
| 56 // The returned frame will be a center crop of |input_frame| with size | |
| 57 // |cropped_width| x |cropped_height|, scaled to |output_width| x | |
| 58 // |output_height|. | |
| 59 virtual VideoFrame* CreateAliasedFrame(const CapturedFrame* input_frame, | |
| 60 int cropped_input_width, | |
| 61 int cropped_input_height, | |
| 62 int output_width, | |
| 63 int output_height) const; | |
| 64 | |
| 65 void SetApplyRotation(bool enable) { apply_rotation_ = enable; } | |
| 66 | |
| 67 protected: | |
| 68 bool apply_rotation_; | |
| 69 | |
| 70 private: | |
| 71 // An internal frame buffer to avoid reallocations. It is mutable because it | |
| 72 // does not affect behaviour, only performance. | |
| 73 mutable rtc::scoped_ptr<VideoFrame> output_frame_; | |
| 74 }; | |
| 75 | |
| 76 } // namespace cricket | |
| 77 | |
| 78 #endif // TALK_MEDIA_BASE_VIDEOFRAMEFACTORY_H_ | |
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Chromium Code Reviews
Issue 1587193006:
Move talk/media to webrtc/media (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master