| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // 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_MEDIASTREAM_MEDIA_STREAM_TRACK_PROCESSOR_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_MEDIA_STREAM_TRACK_PROCESSOR_H_ |
| |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/platform/bindings/script_wrappable.h" |
| #include "third_party/blink/renderer/platform/heap/heap.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class MediaStreamVideoTrackUnderlyingSource; |
| class MediaStreamAudioTrackUnderlyingSource; |
| class MediaStreamTrack; |
| class MediaStreamTrackProcessorInit; |
| class ReadableStream; |
| class ScriptState; |
| class UnderlyingSinkBase; |
| class WritableStream; |
| |
| class MODULES_EXPORT MediaStreamTrackProcessor : public ScriptWrappable { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static MediaStreamTrackProcessor* Create(ScriptState*, |
| MediaStreamTrackProcessorInit*, |
| ExceptionState&); |
| static MediaStreamTrackProcessor* Create(ScriptState*, |
| MediaStreamTrack*, |
| uint16_t buffer_size, |
| ExceptionState&); |
| static MediaStreamTrackProcessor* Create(ScriptState*, |
| MediaStreamTrack*, |
| ExceptionState&); |
| MediaStreamTrackProcessor(ScriptState*, |
| MediaStreamTrack*, |
| uint16_t buffer_size); |
| MediaStreamTrackProcessor(const MediaStreamTrackProcessor&) = delete; |
| MediaStreamTrackProcessor& operator=(const MediaStreamTrackProcessor&) = |
| delete; |
| |
| // MediaStreamTrackProcessor interface |
| ReadableStream* readable(ScriptState* script_state); |
| WritableStream* writableControl(ScriptState* script_state); |
| |
| MediaStreamTrack* InputTrack() { return input_track_; } |
| |
| void Trace(Visitor* visitor) const override; |
| |
| private: |
| void CreateVideoSourceStream(ScriptState* script_state); |
| void CreateAudioSourceStream(ScriptState* script_state); |
| void CreateVideoControlStream(ScriptState* script_state); |
| void CreateAudioControlStream(ScriptState* script_state); |
| |
| class UnderlyingSourceCloser; |
| |
| Member<MediaStreamTrack> input_track_; |
| Member<MediaStreamVideoTrackUnderlyingSource> video_underlying_source_; |
| Member<MediaStreamAudioTrackUnderlyingSource> audio_underlying_source_; |
| Member<UnderlyingSinkBase> signal_underlying_sink_; |
| Member<ReadableStream> source_stream_; |
| Member<WritableStream> control_stream_; |
| Member<UnderlyingSourceCloser> source_closer_; |
| uint16_t buffer_size_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_MEDIA_STREAM_TRACK_PROCESSOR_H_ |