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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/mediastream/mock_media_stream_video_source.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/task/single_thread_task_runner.h"
#include "build/build_config.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom-blink.h"
#include "third_party/blink/public/platform/scheduler/test/renderer_scheduler_test_support.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_copier_media.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
namespace blink {
MockMediaStreamVideoSource::MockMediaStreamVideoSource()
: MockMediaStreamVideoSource(false) {}
MockMediaStreamVideoSource::MockMediaStreamVideoSource(
bool respond_to_request_refresh_frame)
: MediaStreamVideoSource(scheduler::GetSingleThreadTaskRunnerForTesting()),
respond_to_request_refresh_frame_(respond_to_request_refresh_frame),
attempted_to_start_(false) {}
MockMediaStreamVideoSource::MockMediaStreamVideoSource(
const media::VideoCaptureFormat& format,
bool respond_to_request_refresh_frame)
: MediaStreamVideoSource(scheduler::GetSingleThreadTaskRunnerForTesting()),
format_(format),
respond_to_request_refresh_frame_(respond_to_request_refresh_frame),
attempted_to_start_(false) {}
MockMediaStreamVideoSource::~MockMediaStreamVideoSource() = default;
void MockMediaStreamVideoSource::StartMockedSource() {
DCHECK(attempted_to_start_);
attempted_to_start_ = false;
OnStartDone(mojom::blink::MediaStreamRequestResult::OK);
}
void MockMediaStreamVideoSource::FailToStartMockedSource() {
DCHECK(attempted_to_start_);
attempted_to_start_ = false;
OnStartDone(
mojom::blink::MediaStreamRequestResult::TRACK_START_FAILURE_VIDEO);
}
void MockMediaStreamVideoSource::RequestKeyFrame() {
OnRequestKeyFrame();
}
void MockMediaStreamVideoSource::RequestRefreshFrame() {
DCHECK(!frame_callback_.is_null());
if (respond_to_request_refresh_frame_) {
const scoped_refptr<media::VideoFrame> frame =
media::VideoFrame::CreateColorFrame(format_.frame_size, 0, 0, 0,
base::TimeDelta());
PostCrossThreadTask(
*video_task_runner(), FROM_HERE,
CrossThreadBindOnce(frame_callback_, frame, base::TimeTicks()));
}
OnRequestRefreshFrame();
}
void MockMediaStreamVideoSource::OnHasConsumers(bool has_consumers) {
is_suspended_ = !has_consumers;
}
base::WeakPtr<MediaStreamVideoSource> MockMediaStreamVideoSource::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void MockMediaStreamVideoSource::DoChangeSource(
const MediaStreamDevice& new_device) {
ChangeSourceImpl(new_device);
}
void MockMediaStreamVideoSource::StartSourceImpl(
MediaStreamVideoSourceCallbacks media_stream_callbacks) {
DCHECK(frame_callback_.is_null());
DCHECK(encoded_frame_callback_.is_null());
DCHECK(sub_capture_target_version_callback_.is_null());
attempted_to_start_ = true;
frame_callback_ = std::move(media_stream_callbacks.deliver_frame_cb);
encoded_frame_callback_ = std::move(media_stream_callbacks.encoded_frame_cb);
sub_capture_target_version_callback_ =
std::move(media_stream_callbacks.sub_capture_target_version_cb);
frame_dropped_callback_ = std::move(media_stream_callbacks.frame_dropped_cb);
}
void MockMediaStreamVideoSource::StopSourceImpl() {}
std::optional<media::VideoCaptureFormat>
MockMediaStreamVideoSource::GetCurrentFormat() const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return std::optional<media::VideoCaptureFormat>(format_);
}
void MockMediaStreamVideoSource::DeliverVideoFrame(
scoped_refptr<media::VideoFrame> frame) {
DCHECK(!is_stopped_for_restart_);
DCHECK(!frame_callback_.is_null());
PostCrossThreadTask(
*video_task_runner(), FROM_HERE,
CrossThreadBindOnce(frame_callback_, std::move(frame),
base::TimeTicks()));
}
void MockMediaStreamVideoSource::DeliverEncodedVideoFrame(
scoped_refptr<EncodedVideoFrame> frame) {
DCHECK(!is_stopped_for_restart_);
DCHECK(!encoded_frame_callback_.is_null());
PostCrossThreadTask(*video_task_runner(), FROM_HERE,
CrossThreadBindOnce(encoded_frame_callback_,
std::move(frame), base::TimeTicks()));
}
void MockMediaStreamVideoSource::DropFrame(
media::VideoCaptureFrameDropReason reason) {
DCHECK(!is_stopped_for_restart_);
DCHECK(!frame_dropped_callback_.is_null());
PostCrossThreadTask(*video_task_runner(), FROM_HERE,
CrossThreadBindOnce(frame_dropped_callback_, reason));
}
void MockMediaStreamVideoSource::DeliverNewSubCaptureTargetVersion(
uint32_t sub_capture_target_version) {
DCHECK(!sub_capture_target_version_callback_.is_null());
PostCrossThreadTask(*video_task_runner(), FROM_HERE,
CrossThreadBindOnce(sub_capture_target_version_callback_,
sub_capture_target_version));
}
void MockMediaStreamVideoSource::StopSourceForRestartImpl() {
if (can_stop_for_restart_)
is_stopped_for_restart_ = true;
OnStopForRestartDone(is_stopped_for_restart_);
}
void MockMediaStreamVideoSource::RestartSourceImpl(
const media::VideoCaptureFormat& new_format) {
DCHECK(is_stopped_for_restart_);
if (!can_restart_) {
OnRestartDone(false);
return;
}
++restart_count_;
is_stopped_for_restart_ = false;
format_ = new_format;
OnRestartDone(true);
}
} // namespace blink
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