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// 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_ENCODED_VIDEO_UNDERLYING_SINK_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_ENCODED_VIDEO_UNDERLYING_SINK_H_
#include "base/functional/callback.h"
#include "third_party/blink/renderer/core/streams/underlying_sink_base.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/peerconnection/rtc_encoded_video_stream_transformer.h"
#include "third_party/webrtc/api/frame_transformer_interface.h"
namespace blink {
class ExceptionState;
class RTCEncodedVideoStreamTransformer;
class MODULES_EXPORT RTCEncodedVideoUnderlyingSink final
: public UnderlyingSinkBase {
public:
RTCEncodedVideoUnderlyingSink(
ScriptState*,
scoped_refptr<blink::RTCEncodedVideoStreamTransformer::Broker>,
bool detach_frame_data_on_write);
RTCEncodedVideoUnderlyingSink(
ScriptState* script_state,
scoped_refptr<blink::RTCEncodedVideoStreamTransformer::Broker>
transformer_broker,
bool detach_frame_data_on_write,
bool enable_frame_restrictions,
base::UnguessableToken owner_id);
// UnderlyingSinkBase
ScriptPromise<IDLUndefined> start(ScriptState*,
WritableStreamDefaultController*,
ExceptionState&) override;
ScriptPromise<IDLUndefined> write(ScriptState*,
ScriptValue chunk,
WritableStreamDefaultController*,
ExceptionState&) override;
ScriptPromise<IDLUndefined> close(ScriptState*, ExceptionState&) override;
ScriptPromise<IDLUndefined> abort(ScriptState*,
ScriptValue reason,
ExceptionState&) override;
void ResetTransformerCallback();
void Trace(Visitor*) const override;
private:
scoped_refptr<blink::RTCEncodedVideoStreamTransformer::Broker>
transformer_broker_;
const bool detach_frame_data_on_write_;
const bool enable_frame_restrictions_;
base::UnguessableToken owner_id_;
int64_t last_received_frame_counter_ = std::numeric_limits<uint64_t>::min();
THREAD_CHECKER(thread_checker_);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_ENCODED_VIDEO_UNDERLYING_SINK_H_
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