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/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef CALL_FLEXFEC_RECEIVE_STREAM_IMPL_H_
#define CALL_FLEXFEC_RECEIVE_STREAM_IMPL_H_
#include <memory>
#include "call/flexfec_receive_stream.h"
#include "call/rtp_packet_sink_interface.h"
#include "modules/rtp_rtcp/source/rtp_rtcp_impl2.h"
#include "rtc_base/system/no_unique_address.h"
#include "system_wrappers/include/clock.h"
namespace webrtc {
class FlexfecReceiver;
class ProcessThread;
class ReceiveStatistics;
class RecoveredPacketReceiver;
class RtcpRttStats;
class RtpPacketReceived;
class RtpRtcp;
class RtpStreamReceiverControllerInterface;
class RtpStreamReceiverInterface;
class FlexfecReceiveStreamImpl : public FlexfecReceiveStream {
public:
FlexfecReceiveStreamImpl(
Clock* clock,
const Config& config,
RecoveredPacketReceiver* recovered_packet_receiver,
RtcpRttStats* rtt_stats,
ProcessThread* process_thread);
// Destruction happens on the worker thread. Prior to destruction the caller
// must ensure that a registration with the transport has been cleared. See
// `RegisterWithTransport` for details.
// TODO(tommi): As a further improvement to this, performing the full
// destruction on the network thread could be made the default.
~FlexfecReceiveStreamImpl() override;
// Called on the network thread to register/unregister with the network
// transport.
void RegisterWithTransport(
RtpStreamReceiverControllerInterface* receiver_controller);
// If registration has previously been done (via `RegisterWithTransport`) then
// `UnregisterFromTransport` must be called prior to destruction, on the
// network thread.
void UnregisterFromTransport();
// RtpPacketSinkInterface.
void OnRtpPacket(const RtpPacketReceived& packet) override;
Stats GetStats() const override;
// ReceiveStream impl.
const RtpConfig& rtp_config() const override { return config_.rtp; }
private:
RTC_NO_UNIQUE_ADDRESS SequenceChecker packet_sequence_checker_;
// Config.
const Config config_;
// Erasure code interfacing.
const std::unique_ptr<FlexfecReceiver> receiver_;
// RTCP reporting.
const std::unique_ptr<ReceiveStatistics> rtp_receive_statistics_;
const std::unique_ptr<ModuleRtpRtcpImpl2> rtp_rtcp_;
ProcessThread* const process_thread_;
std::unique_ptr<RtpStreamReceiverInterface> rtp_stream_receiver_
RTC_GUARDED_BY(packet_sequence_checker_);
};
} // namespace webrtc
#endif // CALL_FLEXFEC_RECEIVE_STREAM_IMPL_H_
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