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Bug: webrtc:10138 Change-Id: Idcf10331b9f5208010b2bd29324e0fc1341db2d3 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/156241 Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29431}
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "test/test_video_capturer.h"
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#include <algorithm>
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#include "api/scoped_refptr.h"
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#include "api/video/i420_buffer.h"
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#include "api/video/video_frame_buffer.h"
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#include "api/video/video_rotation.h"
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namespace webrtc {
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namespace test {
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TestVideoCapturer::~TestVideoCapturer() = default;
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void TestVideoCapturer::OnFrame(const VideoFrame& original_frame) {
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int cropped_width = 0;
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int cropped_height = 0;
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int out_width = 0;
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int out_height = 0;
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VideoFrame frame = MaybePreprocess(original_frame);
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if (!video_adapter_.AdaptFrameResolution(
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frame.width(), frame.height(), frame.timestamp_us() * 1000,
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&cropped_width, &cropped_height, &out_width, &out_height)) {
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// Drop frame in order to respect frame rate constraint.
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return;
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}
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if (out_height != frame.height() || out_width != frame.width()) {
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// Video adapter has requested a down-scale. Allocate a new buffer and
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// return scaled version.
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rtc::scoped_refptr<I420Buffer> scaled_buffer =
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I420Buffer::Create(out_width, out_height);
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scaled_buffer->ScaleFrom(*frame.video_frame_buffer()->ToI420());
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broadcaster_.OnFrame(VideoFrame::Builder()
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.set_video_frame_buffer(scaled_buffer)
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.set_rotation(kVideoRotation_0)
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.set_timestamp_us(frame.timestamp_us())
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.set_id(frame.id())
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.build());
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} else {
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// No adaptations needed, just return the frame as is.
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broadcaster_.OnFrame(frame);
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}
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}
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rtc::VideoSinkWants TestVideoCapturer::GetSinkWants() {
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return broadcaster_.wants();
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}
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void TestVideoCapturer::AddOrUpdateSink(
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rtc::VideoSinkInterface<VideoFrame>* sink,
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const rtc::VideoSinkWants& wants) {
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broadcaster_.AddOrUpdateSink(sink, wants);
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UpdateVideoAdapter();
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}
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void TestVideoCapturer::RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) {
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broadcaster_.RemoveSink(sink);
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UpdateVideoAdapter();
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}
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void TestVideoCapturer::UpdateVideoAdapter() {
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rtc::VideoSinkWants wants = broadcaster_.wants();
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video_adapter_.OnResolutionFramerateRequest(
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wants.target_pixel_count, wants.max_pixel_count, wants.max_framerate_fps);
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}
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VideoFrame TestVideoCapturer::MaybePreprocess(const VideoFrame& frame) {
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rtc::CritScope crit(&lock_);
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if (preprocessor_ != nullptr) {
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return preprocessor_->Preprocess(frame);
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} else {
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return frame;
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}
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}
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} // namespace test
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} // namespace webrtc
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