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Side by Side Diff: webrtc/media/base/videoframefactory.cc

Issue 2357113002: Revert of Delete VideoFrameFactory, CapturedFrame, and related code. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 4 years, 3 months ago
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1 /*
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "webrtc/media/base/videoframefactory.h"
12
13 #include <algorithm>
14 #include "webrtc/media/base/videocapturer.h"
15
16 namespace cricket {
17
18 VideoFrame* VideoFrameFactory::CreateAliasedFrame(
19 const CapturedFrame* input_frame,
20 int cropped_input_width,
21 int cropped_input_height,
22 int output_width,
23 int output_height) const {
24 std::unique_ptr<VideoFrame> cropped_input_frame(CreateAliasedFrame(
25 input_frame, cropped_input_width, cropped_input_height));
26 if (!cropped_input_frame)
27 return nullptr;
28
29 if (cropped_input_width == output_width &&
30 cropped_input_height == output_height) {
31 // No scaling needed.
32 return cropped_input_frame.release();
33 }
34
35 // If the frame is rotated, we need to switch the width and height.
36 if (apply_rotation_ &&
37 (input_frame->rotation == webrtc::kVideoRotation_90 ||
38 input_frame->rotation == webrtc::kVideoRotation_270)) {
39 std::swap(output_width, output_height);
40 }
41
42 rtc::scoped_refptr<webrtc::I420Buffer> scaled_buffer(
43 pool_.CreateBuffer(output_width, output_height));
44 scaled_buffer->CropAndScaleFrom(cropped_input_frame->video_frame_buffer());
45
46 return new WebRtcVideoFrame(scaled_buffer, cropped_input_frame->rotation(),
47 cropped_input_frame->timestamp_us(),
48 cropped_input_frame->transport_frame_id());
49 }
50
51 } // namespace cricket
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