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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 #include "talk/media/base/videoframefactory.h" | |
| 29 | |
| 30 #include <algorithm> | |
| 31 #include "talk/media/base/videocapturer.h" | |
| 32 | |
| 33 namespace cricket { | |
| 34 | |
| 35 VideoFrame* VideoFrameFactory::CreateAliasedFrame( | |
| 36 const CapturedFrame* input_frame, | |
| 37 int cropped_input_width, | |
| 38 int cropped_input_height, | |
| 39 int output_width, | |
| 40 int output_height) const { | |
| 41 rtc::scoped_ptr<VideoFrame> cropped_input_frame(CreateAliasedFrame( | |
| 42 input_frame, cropped_input_width, cropped_input_height)); | |
| 43 if (!cropped_input_frame) | |
| 44 return nullptr; | |
| 45 | |
| 46 if (cropped_input_width == output_width && | |
| 47 cropped_input_height == output_height) { | |
| 48 // No scaling needed. | |
| 49 return cropped_input_frame.release(); | |
| 50 } | |
| 51 | |
| 52 // If the frame is rotated, we need to switch the width and height. | |
| 53 if (apply_rotation_ && | |
| 54 (input_frame->rotation == webrtc::kVideoRotation_90 || | |
| 55 input_frame->rotation == webrtc::kVideoRotation_270)) { | |
| 56 std::swap(output_width, output_height); | |
| 57 } | |
| 58 | |
| 59 // Create and stretch the output frame if it has not been created yet, is | |
| 60 // still in use by others, or its size is not same as the expected. | |
| 61 if (!output_frame_ || !output_frame_->IsExclusive() || | |
| 62 output_frame_->GetWidth() != static_cast<size_t>(output_width) || | |
| 63 output_frame_->GetHeight() != static_cast<size_t>(output_height)) { | |
| 64 output_frame_.reset( | |
| 65 cropped_input_frame->Stretch(output_width, output_height, true, true)); | |
| 66 if (!output_frame_) { | |
| 67 LOG(LS_WARNING) << "Failed to stretch frame to " << output_width << "x" | |
| 68 << output_height; | |
| 69 return NULL; | |
| 70 } | |
| 71 } else { | |
| 72 cropped_input_frame->StretchToFrame(output_frame_.get(), true, true); | |
| 73 output_frame_->SetTimeStamp(cropped_input_frame->GetTimeStamp()); | |
| 74 } | |
| 75 return output_frame_->Copy(); | |
| 76 } | |
| 77 | |
| 78 } // namespace cricket | |
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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