/* * Copyright (c) 2021 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.
*/
// Common base interface for MediaReceiveStreamInterface based classes and // FlexfecReceiveStream. class ReceiveStreamInterface { public: // Receive-stream specific RTP settings. // TODO(tommi): This struct isn't needed at this level anymore. Move it closer // to where it's used. struct ReceiveStreamRtpConfig { // Synchronization source (stream identifier) to be received. // This member will not change mid-stream and can be assumed to be const // post initialization.
uint32_t remote_ssrc = 0;
// Sender SSRC used for sending RTCP (such as receiver reports). // This value may change mid-stream and must be done on the same thread // that the value is read on (i.e. packet delivery).
uint32_t local_ssrc = 0;
};
// Either an audio or video receive stream. class MediaReceiveStreamInterface : public ReceiveStreamInterface { public: // Starts stream activity. // When a stream is active, it can receive, process and deliver packets. virtualvoid Start() = 0;
// Stops stream activity. Must be called to match with a previous call to // `Start()`. When a stream has been stopped, it won't receive, decode, // process or deliver packets to downstream objects such as callback pointers // set in the config struct. virtualvoid Stop() = 0;
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