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43b15c3fc0
This reduces the number of times we recreate video receive streams and prepares for not having to do that for flexfec streams and avoid having to recreate a video receive stream when flexfec config changes. Bug: webrtc:11993 Change-Id: I11134b6a72eb162623ebbc12521d409da8616107 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/261941 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37641}
112 lines
3.7 KiB
C++
112 lines
3.7 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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void SetPayloadType(int payload_type) override;
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int payload_type() const 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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void SetTransportCc(bool transport_cc) override {
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RTC_DCHECK_RUN_ON(&packet_sequence_checker_);
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transport_cc_ = transport_cc;
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}
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void SetRtcpMode(RtcpMode mode) override {
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RTC_DCHECK_RUN_ON(&packet_sequence_checker_);
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rtp_rtcp_->SetRTCPStatus(mode);
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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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// `payload_type_` is initially set to -1, indicating that FlexFec is
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// disabled.
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int payload_type_ RTC_GUARDED_BY(packet_sequence_checker_) = -1;
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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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