| /* |
| * 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_APP_H_ |
| #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_APP_H_ |
| |
| #include "webrtc/base/buffer.h" |
| #include "webrtc/base/constructormagic.h" |
| #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
| #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h" |
| #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h" |
| |
| namespace webrtc { |
| namespace rtcp { |
| |
| class App : public RtcpPacket { |
| public: |
| static const uint8_t kPacketType = 204; |
| // 28 bytes for UDP header |
| // 12 bytes for RTCP app header |
| static const size_t kMaxDataSize = IP_PACKET_SIZE - 12 - 28; |
| App() : sub_type_(0), ssrc_(0), name_(0) {} |
| |
| virtual ~App() {} |
| |
| // Parse assumes header is already parsed and validated. |
| bool Parse(const RTCPUtility::RtcpCommonHeader& header, |
| const uint8_t* payload); // Size of the payload is in the header. |
| |
| void From(uint32_t ssrc) { ssrc_ = ssrc; } |
| void WithSubType(uint8_t subtype); |
| void WithName(uint32_t name) { name_ = name; } |
| void WithData(const uint8_t* data, size_t data_length); |
| |
| uint8_t sub_type() const { return sub_type_; } |
| uint32_t ssrc() const { return ssrc_; } |
| uint32_t name() const { return name_; } |
| size_t data_size() const { return data_.size(); } |
| const uint8_t* data() const { return data_.data(); } |
| |
| protected: |
| bool Create(uint8_t* packet, |
| size_t* index, |
| size_t max_length, |
| RtcpPacket::PacketReadyCallback* callback) const override; |
| |
| private: |
| size_t BlockLength() const override { return 12 + data_.size(); } |
| |
| uint8_t sub_type_; |
| uint32_t ssrc_; |
| uint32_t name_; |
| rtc::Buffer data_; |
| |
| RTC_DISALLOW_COPY_AND_ASSIGN(App); |
| }; |
| |
| } // namespace rtcp |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_APP_H_ |