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/*
* Copyright (c) 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.
*
*/
#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_PSFB_H_
#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_PSFB_H_
#include "webrtc/base/basictypes.h"
#include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
namespace webrtc {
namespace rtcp {
// PSFB: Payload-specific feedback message.
// RFC 4585, Section 6.3.
class Psfb : public RtcpPacket {
public:
static const uint8_t kPacketType = 206;
Psfb() : sender_ssrc_(0), media_ssrc_(0) {}
virtual ~Psfb() {}
void From(uint32_t ssrc) { sender_ssrc_ = ssrc; }
void To(uint32_t ssrc) { media_ssrc_ = ssrc; }
uint32_t sender_ssrc() const { return sender_ssrc_; }
uint32_t media_ssrc() const { return media_ssrc_; }
protected:
static const size_t kCommonFeedbackLength = 8;
void ParseCommonFeedback(const uint8_t* payload);
void CreateCommonFeedback(uint8_t* payload) const;
private:
uint32_t sender_ssrc_;
uint32_t media_ssrc_;
};
} // namespace rtcp
} // namespace webrtc
#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_PSFB_H_
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