LCOV - code coverage report
Current view: top level - media/webrtc/trunk/webrtc/modules/rtp_rtcp/source/rtcp_packet - psfb.cc (source / functions) Hit Total Coverage
Test: output.info Lines: 0 8 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 2 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
       3             :  *
       4             :  *  Use of this source code is governed by a BSD-style license
       5             :  *  that can be found in the LICENSE file in the root of the source
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/psfb.h"
      12             : 
      13             : #include "webrtc/modules/rtp_rtcp/source/byte_io.h"
      14             : 
      15             : namespace webrtc {
      16             : namespace rtcp {
      17             : constexpr uint8_t Psfb::kPacketType;
      18             : constexpr size_t Psfb::kCommonFeedbackLength;
      19             : // RFC 4585: Feedback format.
      20             : //
      21             : // Common packet format:
      22             : //
      23             : //    0                   1                   2                   3
      24             : //    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
      25             : //   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      26             : //   |V=2|P|   FMT   |       PT      |          length               |
      27             : //   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      28             : // 0 |                  SSRC of packet sender                        |
      29             : //   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      30             : // 4 |                  SSRC of media source                         |
      31             : //   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      32             : //   :            Feedback Control Information (FCI)                 :
      33             : //   :                                                               :
      34             : 
      35           0 : void Psfb::ParseCommonFeedback(const uint8_t* payload) {
      36           0 :   sender_ssrc_ = ByteReader<uint32_t>::ReadBigEndian(&payload[0]);
      37           0 :   media_ssrc_ = ByteReader<uint32_t>::ReadBigEndian(&payload[4]);
      38           0 : }
      39             : 
      40           0 : void Psfb::CreateCommonFeedback(uint8_t* payload) const {
      41           0 :   ByteWriter<uint32_t>::WriteBigEndian(&payload[0], sender_ssrc_);
      42           0 :   ByteWriter<uint32_t>::WriteBigEndian(&payload[4], media_ssrc_);
      43           0 : }
      44             : 
      45             : }  // namespace rtcp
      46             : }  // namespace webrtc

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