Chromium Code Reviews| Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/dlrr.h |
| diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/dlrr.h b/webrtc/modules/rtp_rtcp/source/rtcp_packet/dlrr.h |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..810f7e1eeed1d72eb73830180f85bf9d9ab174fd |
| --- /dev/null |
| +++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/dlrr.h |
| @@ -0,0 +1,65 @@ |
| +/* |
| + * 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_DLRR_H_ |
| +#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_ |
| + |
| +#include <algorithm> |
|
åsapersson
2015/12/15 12:20:55
needed?
danilchap
2015/12/15 13:02:17
Done. Not any more. (forgot to remove after removi
|
| +#include <vector> |
| + |
| +#include "webrtc/base/basictypes.h" |
| +#include "webrtc/base/constructormagic.h" |
| + |
| +namespace webrtc { |
| +namespace rtcp { |
| + |
| +// DLRR Report Block: Delay since the Last Receiver Report (RFC 3611). |
| +class Dlrr { |
| + public: |
| + struct SubBlock { |
| + // RFC 3611 4.5 |
| + uint32_t ssrc; |
| + uint32_t last_rr; |
| + uint32_t delay_since_last_rr; |
| + }; |
| + |
| + static const uint8_t kBlockType = 5; |
| + static const size_t kMaxNumberOfDlrrItems = 100; |
| + |
| + Dlrr() {} |
| + Dlrr(Dlrr&&) = default; |
| + ~Dlrr() {} |
| + |
| + // Second parameter is value read from block header, |
| + // i.e. size of block in 32bits excluding block header itself. |
| + bool Parse(const uint8_t* buffer, uint16_t block_length_32bits); |
| + |
| + size_t BlockLength() const; |
| + // Fills buffer with the Dlrr. |
| + // Consumes BlockLength() bytes. |
| + void Create(uint8_t* buffer) const; |
| + |
| + // Max 100 DLRR Items can be added per DLRR report block. |
| + bool WithDlrrItem(uint32_t ssrc, uint32_t last_rr, uint32_t delay_last_rr); |
| + |
| + const std::vector<SubBlock>& sub_blocks() const { return sub_blocks_; } |
| + |
| + private: |
| + static const size_t kBlockHeaderLength = 4; |
| + static const size_t kSubBlockLength = 12; |
| + |
| + std::vector<SubBlock> sub_blocks_; |
| + |
| + RTC_DISALLOW_COPY_AND_ASSIGN(Dlrr); |
| +}; |
| +} // namespace rtcp |
| +} // namespace webrtc |
| +#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_DLRR_H_ |