chromium/third_party/blink/renderer/modules/mediacapturefromelement/html_video_element_capturer_source.cc

// Copyright 2015 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/mediacapturefromelement/html_video_element_capturer_source.h"

#include "base/functional/bind.h"
#include "base/location.h"
#include "base/memory/ptr_util.h"
#include "base/task/single_thread_task_runner.h"
#include "base/trace_event/trace_event.h"
#include "media/base/limits.h"
#include "third_party/blink/public/platform/web_media_player.h"
#include "third_party/blink/public/web/modules/mediastream/media_stream_video_source.h"
#include "third_party/blink/renderer/platform/mediastream/webrtc_uma_histograms.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.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 {
constexpr float kMinFramesPerSecond = …;
}  // anonymous namespace

namespace blink {

// static
std::unique_ptr<HtmlVideoElementCapturerSource>
HtmlVideoElementCapturerSource::CreateFromWebMediaPlayerImpl(
    blink::WebMediaPlayer* player,
    const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner,
    scoped_refptr<base::SingleThreadTaskRunner> task_runner) { … }

HtmlVideoElementCapturerSource::HtmlVideoElementCapturerSource(
    const base::WeakPtr<blink::WebMediaPlayer>& player,
    const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner,
    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
    : … { … }

HtmlVideoElementCapturerSource::~HtmlVideoElementCapturerSource() { … }

media::VideoCaptureFormats
HtmlVideoElementCapturerSource::GetPreferredFormats() { … }

void HtmlVideoElementCapturerSource::StartCapture(
    const media::VideoCaptureParams& params,
    const VideoCaptureDeliverFrameCB& new_frame_callback,
    const VideoCaptureSubCaptureTargetVersionCB&
        sub_capture_target_version_callback,
    // The HTML element does not report frame drops.
    const VideoCaptureNotifyFrameDroppedCB&,
    const RunningCallback& running_callback) { … }

void HtmlVideoElementCapturerSource::StopCapture() { … }

void HtmlVideoElementCapturerSource::sendNewFrame() { … }

}  // namespace blink