diff options
Diffstat (limited to 'webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbn.h')
-rw-r--r-- | webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbn.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbn.h b/webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbn.h new file mode 100644 index 0000000000..82bf9dd9e9 --- /dev/null +++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmbn.h @@ -0,0 +1,60 @@ +/* + * 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 WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_ +#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_ + +#include <vector> +#include "webrtc/base/basictypes.h" +#include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h" +#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h" + +namespace webrtc { +namespace rtcp { + +// Temporary Maximum Media Stream Bit Rate Notification (TMMBN) (RFC 5104). +class Tmmbn : public RtcpPacket { + public: + Tmmbn() : RtcpPacket() { + memset(&tmmbn_, 0, sizeof(tmmbn_)); + } + + virtual ~Tmmbn() {} + + void From(uint32_t ssrc) { + tmmbn_.SenderSSRC = ssrc; + } + // Max 50 TMMBR can be added per TMMBN. + bool WithTmmbr(uint32_t ssrc, uint32_t bitrate_kbps, uint16_t overhead); + + protected: + bool Create(uint8_t* packet, + size_t* index, + size_t max_length, + RtcpPacket::PacketReadyCallback* callback) const override; + + private: + static const int kMaxNumberOfTmmbrs = 50; + + size_t BlockLength() const { + const size_t kFciLen = 8; + return kCommonFbFmtLength + kFciLen * tmmbn_items_.size(); + } + + RTCPUtility::RTCPPacketRTPFBTMMBN tmmbn_; + std::vector<RTCPUtility::RTCPPacketRTPFBTMMBRItem> tmmbn_items_; + + RTC_DISALLOW_COPY_AND_ASSIGN(Tmmbn); +}; + +} // namespace rtcp +} // namespace webrtc +#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_ |