LCOV - code coverage report
Current view: top level - libavformat - rtpenc_latm.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 20 0.0 %
Date: 2017-12-13 02:34:56 Functions: 0 1 0.0 %

          Line data    Source code
       1             : /*
       2             :  * RTP Packetization of MPEG-4 Audio (RFC 3016)
       3             :  * Copyright (c) 2011 Juan Carlos Rodriguez <ing.juancarlosrodriguez@hotmail.com>
       4             :  *
       5             :  * This file is part of FFmpeg.
       6             :  *
       7             :  * FFmpeg is free software; you can redistribute it and/or
       8             :  * modify it under the terms of the GNU Lesser General Public
       9             :  * License as published by the Free Software Foundation; either
      10             :  * version 2.1 of the License, or (at your option) any later version.
      11             :  *
      12             :  * FFmpeg is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :  * Lesser General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU Lesser General Public
      18             :  * License along with FFmpeg; if not, write to the Free Software
      19             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      20             :  */
      21             : 
      22             : #include "avformat.h"
      23             : #include "rtpenc.h"
      24             : 
      25           0 : void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size)
      26             : {
      27             :     /* MP4A-LATM
      28             :      * The RTP payload format specification is described in RFC 3016
      29             :      * The encoding specifications are provided in ISO/IEC 14496-3 */
      30             : 
      31           0 :     RTPMuxContext *s = s1->priv_data;
      32             :     int header_size;
      33           0 :     int offset = 0;
      34           0 :     int len    = 0;
      35             : 
      36             :     /* skip ADTS header, if present */
      37           0 :     if ((s1->streams[0]->codecpar->extradata_size) == 0) {
      38           0 :         size -= 7;
      39           0 :         buff += 7;
      40             :     }
      41             : 
      42             :     /* PayloadLengthInfo() */
      43           0 :     header_size = size/0xFF + 1;
      44           0 :     memset(s->buf, 0xFF, header_size - 1);
      45           0 :     s->buf[header_size - 1] = size % 0xFF;
      46             : 
      47           0 :     s->timestamp = s->cur_timestamp;
      48             : 
      49             :     /* PayloadMux() */
      50           0 :     while (size > 0) {
      51           0 :         len   = FFMIN(size, s->max_payload_size - (!offset ? header_size : 0));
      52           0 :         size -= len;
      53           0 :         if (!offset) {
      54           0 :             memcpy(s->buf + header_size, buff, len);
      55           0 :             ff_rtp_send_data(s1, s->buf, header_size + len, !size);
      56             :         } else {
      57           0 :             ff_rtp_send_data(s1, buff + offset, len, !size);
      58             :         }
      59           0 :         offset += len;
      60             :     }
      61           0 : }

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