media_recorder_handler.h | Explore in Territory

// 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.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIARECORDER_MEDIA_RECORDER_HANDLER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIARECORDER_MEDIA_RECORDER_HANDLER_H_

#include <memory>
#include <optional>
#include <string_view>

#include "base/feature_list.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "media/base/video_encoder.h"
#include "media/muxers/muxer_timestamp_adapter.h"
#include "third_party/blink/public/platform/modules/mediastream/web_media_stream.h"
#include "third_party/blink/public/web/modules/mediastream/encoded_video_frame.h"
#include "third_party/blink/renderer/modules/mediarecorder/audio_track_recorder.h"
#include "third_party/blink/renderer/modules/mediarecorder/video_track_recorder.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/heap/weak_cell.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

#if BUILDFLAG(USE_PROPRIETARY_CODECS)
#include "media/formats/mp4/h264_annex_b_to_avc_bitstream_converter.h"
#endif

namespace media {
class AudioBus;
class AudioParameters;
class VideoFrame;
class VideoEncoderMetricsProvider;
class Muxer;
}  // namespace media

namespace blink {

class MediaRecorder;
class MediaStreamDescriptor;
struct WebMediaCapabilitiesInfo;
struct WebMediaConfiguration;

MODULES_EXPORT BASE_DECLARE_FEATURE(kMediaRecorderEnableMp4Muxer);

// MediaRecorderHandler orchestrates the creation, lifetime management and
// mapping between:
// - MediaStreamTrack(s) providing data,
// - {Audio,Video}TrackRecorders encoding that data,
// - a WebmMuxer class multiplexing encoded data into a WebM container, and
// - a single recorder client receiving this contained data.
// All methods are called on the same thread as construction and destruction,
// i.e. the Main Render thread.
class MODULES_EXPORT MediaRecorderHandler final
    : public GarbageCollected<MediaRecorderHandler>,
      public VideoTrackRecorder::CallbackInterface,
      public AudioTrackRecorder::CallbackInterface,
      public WebMediaStreamObserver { … };

}  // namespace blink
#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIARECORDER_MEDIA_RECORDER_HANDLER_H_
chromium/third_party/blink/renderer/modules/mediarecorder/media_recorder_handler.h
