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/*
* Copyright (c) 2023 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.
*/
#ifndef API_TEST_VIDEO_TEST_VIDEO_TRACK_SOURCE_H_
#define API_TEST_VIDEO_TEST_VIDEO_TRACK_SOURCE_H_
#include <optional>
#include <string>
#include "api/media_stream_interface.h"
#include "api/notifier.h"
#include "api/sequence_checker.h"
#include "api/video/recordable_encoded_frame.h"
#include "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "rtc_base/system/no_unique_address.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
namespace test {
// Video source that can be used as input for tests.
class TestVideoTrackSource : public Notifier<VideoTrackSourceInterface> {
public:
explicit TestVideoTrackSource(
bool remote,
std::optional<std::string> stream_label = std::nullopt);
~TestVideoTrackSource() override = default;
void SetState(SourceState new_state);
SourceState state() const override;
bool remote() const override { return remote_; }
bool is_screencast() const override { return false; }
std::optional<bool> needs_denoising() const override { return std::nullopt; }
bool GetStats(Stats* /* stats */) override { return false; }
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants) override;
void RemoveSink(VideoSinkInterface<VideoFrame>* sink) override;
bool SupportsEncodedOutput() const override { return false; }
void GenerateKeyFrame() override {}
void AddEncodedSink(
VideoSinkInterface<RecordableEncodedFrame>* /* sink */) override {}
void RemoveEncodedSink(
VideoSinkInterface<RecordableEncodedFrame>* /* sink */) override {}
// Starts producing video.
virtual void Start() = 0;
// Stops producing video.
virtual void Stop() = 0;
virtual void SetScreencast(bool is_screencast) = 0;
// TODO(titovartem): make next 4 methods pure virtual.
virtual void SetEnableAdaptation(bool /* enable_adaptation */) {}
virtual int GetFrameWidth() const { return 0; }
virtual int GetFrameHeight() const { return 0; }
virtual void OnOutputFormatRequest(int /* width */,
int /* height */,
const std::optional<int>& /* max_fps */) {}
// Returns stream label for this video source if present. Implementations
// may override this method to increase debugability and testability.
virtual std::optional<std::string> GetStreamLabel() { return stream_label_; }
protected:
virtual VideoSourceInterface<VideoFrame>* source() = 0;
private:
const std::optional<std::string> stream_label_;
RTC_NO_UNIQUE_ADDRESS SequenceChecker worker_thread_checker_;
RTC_NO_UNIQUE_ADDRESS SequenceChecker signaling_thread_checker_;
SourceState state_ RTC_GUARDED_BY(&signaling_thread_checker_);
const bool remote_;
};
} // namespace test
} // namespace webrtc
#endif // API_TEST_VIDEO_TEST_VIDEO_TRACK_SOURCE_H_
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