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g722: refactor out of rawdec.c

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This commit is contained in:
Luca Barbato 2012-10-24 18:18:18 +02:00
parent 42c26a4864
commit 5f0e161dd6
3 changed files with 57 additions and 13 deletions
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2
libavformat/Makefile
View File

@ -101,7 +101,7 @@ OBJS-$(CONFIG_GIF_MUXER) += gif.o
OBJS-$(CONFIG_GSM_DEMUXER) += gsmdec.o
OBJS-$(CONFIG_GXF_DEMUXER) += gxf.o
OBJS-$(CONFIG_GXF_MUXER) += gxfenc.o audiointerleave.o
OBJS-$(CONFIG_G722_DEMUXER) += rawdec.o
OBJS-$(CONFIG_G722_DEMUXER) += g722.o rawdec.o
OBJS-$(CONFIG_G722_MUXER) += rawenc.o
OBJS-$(CONFIG_G723_1_DEMUXER) += g723_1.o
OBJS-$(CONFIG_H261_DEMUXER) += h261dec.o rawdec.o

56
libavformat/g722.c Normal file
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@ -0,0 +1,56 @@
/*
* g722 raw demuxer
* Copyright (c) 2010 Martin Storsjo
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#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);
assert(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,
};

12
libavformat/rawdec.c
View File

@ -177,18 +177,6 @@ const AVOption ff_rawvideo_options[] = {
{ NULL },
};
#if CONFIG_G722_DEMUXER
AVInputFormat ff_g722_demuxer = {
.name = "g722",
.long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
.read_header = ff_raw_read_header,
.read_packet = ff_raw_read_partial_packet,
.flags = AVFMT_GENERIC_INDEX,
.extensions = "g722,722",
.raw_codec_id = AV_CODEC_ID_ADPCM_G722,
};
#endif
#if CONFIG_LATM_DEMUXER
AVInputFormat ff_latm_demuxer = {
.name = "latm",