507f2940cc
* commit '1b891d17c531e8a63c2974aab4bf997ce70746f3': avconv: fix bitrate report when writing to /dev/null avfilter: fix graphparser memleaks on error paths rawdec: remove ff_raw_read_header pcmdec: remove dependency from rawdec g722: refactor out of rawdec.c rawvideo: use a specific read_header Conflicts: ffmpeg.c libavformat/Makefile libavformat/rawdec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
|
|
* g722 raw demuxer
|
|
* Copyright (c) 2010 Martin Storsjo
|
|
*
|
|
* 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 "libavutil/avassert.h"
|
|
#include "avformat.h"
|
|
#include "internal.h"
|
|
#include "rawdec.h"
|
|
|
|
static int g722_read_header(AVFormatContext *s)
|
|
{
|
|
AVStream *st;
|
|
|
|
st = avformat_new_stream(s, NULL);
|
|
if (!st)
|
|
return AVERROR(ENOMEM);
|
|
|
|
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
|
|
st->codec->codec_id = AV_CODEC_ID_ADPCM_G722;
|
|
st->codec->sample_rate = 16000;
|
|
st->codec->channels = 1;
|
|
|
|
st->codec->bits_per_coded_sample =
|
|
av_get_bits_per_sample(st->codec->codec_id);
|
|
|
|
av_assert0(st->codec->bits_per_coded_sample > 0);
|
|
|
|
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
|
|
return 0;
|
|
}
|
|
|
|
AVInputFormat ff_g722_demuxer = {
|
|
.name = "g722",
|
|
.long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
|
|
.read_header = g722_read_header,
|
|
.read_packet = ff_raw_read_partial_packet,
|
|
.flags = AVFMT_GENERIC_INDEX,
|
|
.extensions = "g722,722",
|
|
.raw_codec_id = AV_CODEC_ID_ADPCM_G722,
|
|
};
|