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mirror of https://git.videolan.org/git/ffmpeg.git synced 2024-08-08 02:15:46 +02:00
ffmpeg/libavformat/rtpenc_latm.c
Michael Niedermayer 45fb647495 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  bitstream: Properly promote av_reverse values before shifting.
  libavutil/swscale: YUV444P10/YUV444P9 support.
  H.264: Fix high bit depth explicit biweight
  h264: Fix 10-bit H.264 x86 chroma v loopfilter asm.
  Replace DEBUG_SEEK/DEBUG_SI + av_log combinations by av_dlog.
  Update copyright year for ac3enc_opts_template.c.
  adts: Adjust frame size mask to follow the specification.
  movenc: Add RTP muxer/hinter options
  movenc: Pass the RTP AVFormatContext to the SDP generation
  rtspenc: Add RTP muxer options
  rtspenc: Add an AVClass for setting muxer specific options
  rtpenc_chain: Pass the rtpflags options through to the chained muxer
  rtpenc: Declare the rtp flags private AVOptions in rtpenc.h
  sdp: Reindent after the previous commit
  rtpenc: MP4A-LATM payload support
  avoptions: Add an av_opt_flag_is_set function for inspecting flag fields
  sdp: Allow passing an AVFormatContext to the SDP generation
  mov: Fix wrong timestamp generation for fragmented movies that have time offset caused by the first edit list entry.
  mpeg12: more advanced ffmpeg mpeg2 aspect guessing code.
  swscale: split YUYV output out of yuv2packed[12X]_c().

Conflicts:
	doc/APIchanges
	libavcodec/Makefile
	libavcodec/h264dsp_template.c
	libavcodec/mpeg12.c
	libavformat/aacdec.c
	libavformat/avidec.c
	libavformat/internal.h
	libavformat/movenc.c
	libavformat/rtpenc.c
	libavformat/rtpenc_latm.c
	libavformat/sdp.c
	libavformat/version.h
	libavutil/avutil.h
	libavutil/pixfmt.h
	libswscale/swscale.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-06-11 03:51:36 +02:00

62 lines
2.0 KiB
C

/*
* 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;
}
}