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https://github.com/mollyim/webrtc.git
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fc2c24ef44
This changes FlexfecReceiveStreamImpl so that instead of holding on to the entire config structure, the state is broken down into member variables whose constness and thread access can be individually set. Bug: none Change-Id: I497b5816d40678774dee76d8a97012e8539629b8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/263723 Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37027}
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef CALL_FLEXFEC_RECEIVE_STREAM_IMPL_H_
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#define CALL_FLEXFEC_RECEIVE_STREAM_IMPL_H_
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#include <memory>
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#include <vector>
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#include "call/flexfec_receive_stream.h"
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#include "call/rtp_packet_sink_interface.h"
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#include "modules/rtp_rtcp/source/rtp_rtcp_impl2.h"
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#include "rtc_base/system/no_unique_address.h"
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#include "system_wrappers/include/clock.h"
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namespace webrtc {
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class FlexfecReceiver;
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class ReceiveStatistics;
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class RecoveredPacketReceiver;
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class RtcpRttStats;
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class RtpPacketReceived;
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class RtpRtcp;
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class RtpStreamReceiverControllerInterface;
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class RtpStreamReceiverInterface;
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class FlexfecReceiveStreamImpl : public FlexfecReceiveStream {
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public:
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FlexfecReceiveStreamImpl(Clock* clock,
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Config config,
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RecoveredPacketReceiver* recovered_packet_receiver,
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RtcpRttStats* rtt_stats);
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// Destruction happens on the worker thread. Prior to destruction the caller
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// must ensure that a registration with the transport has been cleared. See
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// `RegisterWithTransport` for details.
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// TODO(tommi): As a further improvement to this, performing the full
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// destruction on the network thread could be made the default.
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~FlexfecReceiveStreamImpl() override;
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// Called on the network thread to register/unregister with the network
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// transport.
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void RegisterWithTransport(
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RtpStreamReceiverControllerInterface* receiver_controller);
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// If registration has previously been done (via `RegisterWithTransport`) then
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// `UnregisterFromTransport` must be called prior to destruction, on the
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// network thread.
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void UnregisterFromTransport();
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// RtpPacketSinkInterface.
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void OnRtpPacket(const RtpPacketReceived& packet) override;
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// ReceiveStreamInterface impl.
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void SetRtpExtensions(std::vector<RtpExtension> extensions) override;
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RtpHeaderExtensionMap GetRtpExtensionMap() const override;
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// Updates the `rtp_video_stream_receiver_`'s `local_ssrc` when the default
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// sender has been created, changed or removed.
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void SetLocalSsrc(uint32_t local_ssrc);
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uint32_t remote_ssrc() const { return remote_ssrc_; }
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bool transport_cc() const override {
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RTC_DCHECK_RUN_ON(&packet_sequence_checker_);
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return transport_cc_;
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}
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private:
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RTC_NO_UNIQUE_ADDRESS SequenceChecker packet_sequence_checker_;
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RtpHeaderExtensionMap extension_map_;
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const uint32_t remote_ssrc_;
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bool transport_cc_ RTC_GUARDED_BY(packet_sequence_checker_);
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// Erasure code interfacing.
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const std::unique_ptr<FlexfecReceiver> receiver_;
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// RTCP reporting.
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const std::unique_ptr<ReceiveStatistics> rtp_receive_statistics_;
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const std::unique_ptr<ModuleRtpRtcpImpl2> rtp_rtcp_;
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std::unique_ptr<RtpStreamReceiverInterface> rtp_stream_receiver_
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RTC_GUARDED_BY(packet_sequence_checker_);
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};
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} // namespace webrtc
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#endif // CALL_FLEXFEC_RECEIVE_STREAM_IMPL_H_
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