chromium/third_party/blink/renderer/modules/breakout_box/media_stream_track_processor.cc

// Copyright 2020 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/breakout_box/media_stream_track_processor.h"

#include "third_party/blink/public/mojom/use_counter/metrics/web_feature.mojom-blink.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_stream_track_processor_init.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/streams/readable_stream.h"
#include "third_party/blink/renderer/modules/breakout_box/media_stream_audio_track_underlying_source.h"
#include "third_party/blink/renderer/modules/breakout_box/media_stream_video_track_underlying_source.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_track.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_utils.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_video_track.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"
#include "third_party/blink/renderer/platform/wtf/uuid.h"

namespace blink {

// A MediaStreamTrack Observer which closes the provided
// UnderlyingSource whenever the provided track is ended.
class MediaStreamTrackProcessor::UnderlyingSourceCloser
    : public GarbageCollected<UnderlyingSourceCloser>,
      public MediaStreamTrack::Observer { … };

MediaStreamTrackProcessor::MediaStreamTrackProcessor(
    ScriptState* script_state,
    MediaStreamTrack* input_track,
    uint16_t buffer_size)
    : … { … }

ReadableStream* MediaStreamTrackProcessor::readable(ScriptState* script_state) { … }

void MediaStreamTrackProcessor::CreateVideoSourceStream(
    ScriptState* script_state) { … }

void MediaStreamTrackProcessor::CreateAudioSourceStream(
    ScriptState* script_state) { … }

MediaStreamTrackProcessor* MediaStreamTrackProcessor::Create(
    ScriptState* script_state,
    MediaStreamTrack* track,
    uint16_t buffer_size,
    ExceptionState& exception_state) { … }

MediaStreamTrackProcessor* MediaStreamTrackProcessor::Create(
    ScriptState* script_state,
    MediaStreamTrack* track,
    ExceptionState& exception_state) { … }

MediaStreamTrackProcessor* MediaStreamTrackProcessor::Create(
    ScriptState* script_state,
    MediaStreamTrackProcessorInit* init,
    ExceptionState& exception_state) { … }

void MediaStreamTrackProcessor::CloseSources() { … }

void MediaStreamTrackProcessor::Trace(Visitor* visitor) const { … }

}  // namespace blink