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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}
76 lines
2.3 KiB
C++
76 lines
2.3 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_H_
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#define CALL_FLEXFEC_RECEIVE_STREAM_H_
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include "api/call/transport.h"
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#include "api/rtp_headers.h"
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#include "api/rtp_parameters.h"
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#include "call/receive_stream.h"
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#include "call/rtp_packet_sink_interface.h"
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namespace webrtc {
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class FlexfecReceiveStream : public RtpPacketSinkInterface,
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public ReceiveStreamInterface {
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public:
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~FlexfecReceiveStream() override = default;
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struct Config {
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explicit Config(Transport* rtcp_send_transport);
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Config(const Config&);
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~Config();
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std::string ToString() const;
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// Returns true if all RTP information is available in order to
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// enable receiving FlexFEC.
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bool IsCompleteAndEnabled() const;
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// Payload type for FlexFEC.
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int payload_type = -1;
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ReceiveStreamRtpConfig rtp;
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// Vector containing a single element, corresponding to the SSRC of the
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// media stream being protected by this FlexFEC stream. The vector MUST have
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// size 1.
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//
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// TODO(brandtr): Update comment above when we support multistream
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// protection.
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std::vector<uint32_t> protected_media_ssrcs;
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// What RTCP mode to use in the reports.
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RtcpMode rtcp_mode = RtcpMode::kCompound;
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// Transport for outgoing RTCP packets.
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Transport* rtcp_send_transport = nullptr;
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};
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// TODO(tommi): FlexfecReceiveStream inherits from ReceiveStreamInterface,
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// not VideoReceiveStreamInterface where there's also a SetRtcpMode method.
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// Perhaps this should be in ReceiveStreamInterface and apply to audio streams
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// as well (although there's no logic that would use it at present).
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virtual void SetRtcpMode(RtcpMode mode) = 0;
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// Called to change the payload type after initialization.
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virtual void SetPayloadType(int payload_type) = 0;
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virtual int payload_type() const = 0;
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};
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} // namespace webrtc
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#endif // CALL_FLEXFEC_RECEIVE_STREAM_H_
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