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/*
* Copyright (c) 2016 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.
*/
#ifndef CALL_FLEXFEC_RECEIVE_STREAM_H_
#define CALL_FLEXFEC_RECEIVE_STREAM_H_
#include <stdint.h>
#include <string>
#include <vector>
#include "api/call/transport.h"
#include "api/rtp_headers.h"
#include "api/rtp_parameters.h"
#include "call/receive_stream.h"
#include "call/rtp_packet_sink_interface.h"
namespace webrtc {
class FlexfecReceiveStream : public RtpPacketSinkInterface,
public ReceiveStreamInterface {
public:
~FlexfecReceiveStream() override = default;
struct Config {
explicit Config(Transport* rtcp_send_transport);
Config(const Config&);
~Config();
std::string ToString() const;
// Returns true if all RTP information is available in order to
// enable receiving FlexFEC.
bool IsCompleteAndEnabled() const;
// Payload type for FlexFEC.
int payload_type = -1;
ReceiveStreamRtpConfig rtp;
// Vector containing a single element, corresponding to the SSRC of the
// media stream being protected by this FlexFEC stream. The vector MUST have
// size 1.
//
// TODO(brandtr): Update comment above when we support multistream
// protection.
std::vector<uint32_t> protected_media_ssrcs;
// What RTCP mode to use in the reports.
RtcpMode rtcp_mode = RtcpMode::kCompound;
// Transport for outgoing RTCP packets.
Transport* rtcp_send_transport = nullptr;
};
// TODO(tommi): FlexfecReceiveStream inherits from ReceiveStreamInterface,
// not VideoReceiveStreamInterface where there's also a SetRtcpMode method.
// Perhaps this should be in ReceiveStreamInterface and apply to audio streams
// as well (although there's no logic that would use it at present).
virtual void SetRtcpMode(RtcpMode mode) = 0;
// Called to change the payload type after initialization.
virtual void SetPayloadType(int payload_type) = 0;
virtual int payload_type() const = 0;
};
} // namespace webrtc
#endif // CALL_FLEXFEC_RECEIVE_STREAM_H_
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