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/*
* Copyright 2020 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "call/adaptation/video_stream_input_state_provider.h"
#include "call/adaptation/encoder_settings.h"
#include "call/adaptation/video_stream_adapter.h"
#include "call/adaptation/video_stream_input_state.h"
#include "rtc_base/checks.h"
#include "rtc_base/synchronization/mutex.h"
#include "video/video_stream_encoder_observer.h"
namespace webrtc {
VideoStreamInputStateProvider::VideoStreamInputStateProvider(
VideoStreamEncoderObserver* frame_rate_provider)
: frame_rate_provider_(frame_rate_provider) {}
VideoStreamInputStateProvider::~VideoStreamInputStateProvider() {}
void VideoStreamInputStateProvider::OnHasInputChanged(bool has_input) {
MutexLock lock(&mutex_);
input_state_.set_has_input(has_input);
}
void VideoStreamInputStateProvider::OnFrameSizeObserved(int frame_size_pixels) {
RTC_DCHECK_GT(frame_size_pixels, 0);
MutexLock lock(&mutex_);
input_state_.set_frame_size_pixels(frame_size_pixels);
}
void VideoStreamInputStateProvider::OnEncoderSettingsChanged(
EncoderSettings encoder_settings) {
MutexLock lock(&mutex_);
input_state_.set_video_codec_type(
encoder_settings.encoder_config().codec_type);
input_state_.set_min_pixels_per_frame(
encoder_settings.encoder_info().scaling_settings.min_pixels_per_frame);
input_state_.set_single_active_stream_pixels(
VideoStreamAdapter::GetSingleActiveLayerPixels(
encoder_settings.video_codec()));
}
VideoStreamInputState VideoStreamInputStateProvider::InputState() {
// GetInputFrameRate() is thread-safe.
int input_fps = frame_rate_provider_->GetInputFrameRate();
MutexLock lock(&mutex_);
input_state_.set_frames_per_second(input_fps);
return input_state_;
}
} // namespace webrtc
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