/*
  * RTP Packetization of MPEG-4 Audio (RFC 3016)
  * Copyright (c) 2011 Juan Carlos Rodriguez <ing.juancarlosrodriguez@hotmail.com>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *

  * FFmpeg is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public

  * License along with FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "avformat.h"
 #include "rtpenc.h"
 

 void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size)
 {

     /* MP4A-LATM
      * The RTP payload format specification is described in RFC 3016
      * The encoding specifications are provided in ISO/IEC 14496-3 */
 
     RTPMuxContext *s = s1->priv_data;
     int header_size;
     int offset = 0;
     int len    = 0;
 
     /* skip ADTS header, if present */
     if ((s1->streams[0]->codec->extradata_size) == 0) {
         size -= 7;
         buff += 7;
     }
 
     /* PayloadLengthInfo() */
     header_size = size/0xFF + 1;
     memset(s->buf, 0xFF, header_size - 1);
     s->buf[header_size - 1] = size % 0xFF;
 
     s->timestamp = s->cur_timestamp;
 
     /* PayloadMux() */
     while (size > 0) {
         len   = FFMIN(size, s->max_payload_size - (!offset ? header_size : 0));
         size -= len;
         if (!offset) {
             memcpy(s->buf + header_size, buff, len);
             ff_rtp_send_data(s1, s->buf, header_size + len, !size);
         } else {
             ff_rtp_send_data(s1, buff + offset, len, !size);
         }
         offset += len;
     }
 }