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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 MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_SDES_H_
#define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_SDES_H_
#include <cstddef>
#include <cstdint>
#include <string>
#include <vector>
#include "absl/strings/string_view.h"
#include "modules/rtp_rtcp/source/rtcp_packet.h"
namespace webrtc {
namespace rtcp {
class CommonHeader;
// Source Description (SDES) (RFC 3550).
class Sdes : public RtcpPacket {
public:
struct Chunk {
uint32_t ssrc;
std::string cname;
};
static constexpr uint8_t kPacketType = 202;
static constexpr size_t kMaxNumberOfChunks = 0x1f;
Sdes();
~Sdes() override;
// Parse assumes header is already parsed and validated.
bool Parse(const CommonHeader& packet);
bool AddCName(uint32_t ssrc, absl::string_view cname);
const std::vector<Chunk>& chunks() const { return chunks_; }
size_t BlockLength() const override;
bool Create(uint8_t* packet,
size_t* index,
size_t max_length,
PacketReadyCallback callback) const override;
private:
std::vector<Chunk> chunks_;
size_t block_length_;
};
} // namespace rtcp
} // namespace webrtc
#endif // MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_SDES_H_
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