mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-23 21:01:08 +00:00
bc4d92bb42
Upstream commit: https://webrtc.googlesource.com/src/+/8037fc6ffa131805248c2a63c3edec69155b05cf Migrate absl::optional to std::optional Bug: webrtc:342905193 No-Try: True Change-Id: Icc968be43b8830038ea9a1f5f604307220457807 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361021 Auto-Submit: Florent Castelli <orphis@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Florent Castelli <orphis@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42911}
93 lines
3.5 KiB
C++
93 lines
3.5 KiB
C++
/*
|
|
* Copyright 2015 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.
|
|
*/
|
|
|
|
// This file contains classes that implement RtpReceiverInterface.
|
|
// An RtpReceiver associates a MediaStreamTrackInterface with an underlying
|
|
// transport (provided by cricket::VoiceChannel/cricket::VideoChannel)
|
|
|
|
#ifndef PC_RTP_RECEIVER_H_
|
|
#define PC_RTP_RECEIVER_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <optional>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "api/dtls_transport_interface.h"
|
|
#include "api/media_stream_interface.h"
|
|
#include "api/rtp_receiver_interface.h"
|
|
#include "api/scoped_refptr.h"
|
|
#include "media/base/media_channel.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Internal class used by PeerConnection.
|
|
class RtpReceiverInternal : public RtpReceiverInterface {
|
|
public:
|
|
// Call on the signaling thread, to let the receiver know that the the
|
|
// embedded source object should enter a stopped/ended state and the track's
|
|
// state set to `kEnded`, a final state that cannot be reversed.
|
|
virtual void Stop() = 0;
|
|
|
|
// Sets the underlying MediaEngine channel associated with this RtpSender.
|
|
// A VoiceMediaChannel should be used for audio RtpSenders and
|
|
// a VideoMediaChannel should be used for video RtpSenders.
|
|
// NOTE:
|
|
// * SetMediaChannel(nullptr) must be called before the media channel is
|
|
// destroyed.
|
|
// * This method must be invoked on the worker thread.
|
|
virtual void SetMediaChannel(
|
|
cricket::MediaReceiveChannelInterface* media_channel) = 0;
|
|
|
|
// Configures the RtpReceiver with the underlying media channel, with the
|
|
// given SSRC as the stream identifier.
|
|
virtual void SetupMediaChannel(uint32_t ssrc) = 0;
|
|
|
|
// Configures the RtpReceiver with the underlying media channel to receive an
|
|
// unsignaled receive stream.
|
|
virtual void SetupUnsignaledMediaChannel() = 0;
|
|
|
|
virtual void set_transport(
|
|
rtc::scoped_refptr<DtlsTransportInterface> dtls_transport) = 0;
|
|
// This SSRC is used as an identifier for the receiver between the API layer
|
|
// and the WebRtcVideoEngine, WebRtcVoiceEngine layer.
|
|
virtual std::optional<uint32_t> ssrc() const = 0;
|
|
|
|
// Call this to notify the RtpReceiver when the first packet has been received
|
|
// on the corresponding channel.
|
|
virtual void NotifyFirstPacketReceived() = 0;
|
|
|
|
// Set the associated remote media streams for this receiver. The remote track
|
|
// will be removed from any streams that are no longer present and added to
|
|
// any new streams.
|
|
virtual void set_stream_ids(std::vector<std::string> stream_ids) = 0;
|
|
// TODO(https://crbug.com/webrtc/9480): Remove SetStreams() in favor of
|
|
// set_stream_ids() as soon as downstream projects are no longer dependent on
|
|
// stream objects.
|
|
virtual void SetStreams(
|
|
const std::vector<rtc::scoped_refptr<MediaStreamInterface>>& streams) = 0;
|
|
|
|
// Returns an ID that changes if the attached track changes, but
|
|
// otherwise remains constant. Used to generate IDs for stats.
|
|
// The special value zero means that no track is attached.
|
|
virtual int AttachmentId() const = 0;
|
|
|
|
protected:
|
|
static int GenerateUniqueId();
|
|
|
|
static std::vector<rtc::scoped_refptr<MediaStreamInterface>>
|
|
CreateStreamsFromIds(std::vector<std::string> stream_ids);
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // PC_RTP_RECEIVER_H_
|