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https://github.com/mollyim/webrtc.git
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1dd94a023a
Simulcast with one active stream: Use pixels from single active stream if set (instead of input stream which could be larger) to avoid going below the min_pixel_per_frame limit when downgrading resolution. Bug: none Change-Id: I65acb12cc53e46f726ccb5bfab8ce08ff0c4cf78 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/208101 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Åsa Persson <asapersson@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33309}
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
/*
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* Copyright 2020 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 "call/adaptation/video_stream_input_state_provider.h"
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#include "call/adaptation/video_stream_adapter.h"
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namespace webrtc {
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VideoStreamInputStateProvider::VideoStreamInputStateProvider(
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VideoStreamEncoderObserver* frame_rate_provider)
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: frame_rate_provider_(frame_rate_provider) {}
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VideoStreamInputStateProvider::~VideoStreamInputStateProvider() {}
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void VideoStreamInputStateProvider::OnHasInputChanged(bool has_input) {
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MutexLock lock(&mutex_);
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input_state_.set_has_input(has_input);
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}
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void VideoStreamInputStateProvider::OnFrameSizeObserved(int frame_size_pixels) {
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RTC_DCHECK_GT(frame_size_pixels, 0);
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MutexLock lock(&mutex_);
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input_state_.set_frame_size_pixels(frame_size_pixels);
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}
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void VideoStreamInputStateProvider::OnEncoderSettingsChanged(
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EncoderSettings encoder_settings) {
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MutexLock lock(&mutex_);
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input_state_.set_video_codec_type(
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encoder_settings.encoder_config().codec_type);
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input_state_.set_min_pixels_per_frame(
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encoder_settings.encoder_info().scaling_settings.min_pixels_per_frame);
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input_state_.set_single_active_stream_pixels(
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VideoStreamAdapter::GetSingleActiveLayerPixels(
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encoder_settings.video_codec()));
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}
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VideoStreamInputState VideoStreamInputStateProvider::InputState() {
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// GetInputFrameRate() is thread-safe.
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int input_fps = frame_rate_provider_->GetInputFrameRate();
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MutexLock lock(&mutex_);
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input_state_.set_frames_per_second(input_fps);
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return input_state_;
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}
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} // namespace webrtc
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