mirror of https://git.videolan.org/git/ffmpeg.git
55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
/*
|
|
* Common functions for the frame{crc,md5} muxers
|
|
*
|
|
* 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/channel_layout.h"
|
|
#include "internal.h"
|
|
#include "version.h"
|
|
|
|
int ff_framehash_write_header(AVFormatContext *s)
|
|
{
|
|
int i;
|
|
|
|
if (s->nb_streams && !(s->flags & AVFMT_FLAG_BITEXACT))
|
|
avio_printf(s->pb, "#software: %s\n", LIBAVFORMAT_IDENT);
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
AVCodecParameters *avctx = st->codecpar;
|
|
char buf[256] = { 0 };
|
|
avio_printf(s->pb, "#tb %d: %d/%d\n", i, st->time_base.num, st->time_base.den);
|
|
avio_printf(s->pb, "#media_type %d: %s\n", i, av_get_media_type_string(avctx->codec_type));
|
|
avio_printf(s->pb, "#codec_id %d: %s\n", i, avcodec_get_name(avctx->codec_id));
|
|
switch (avctx->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO: {
|
|
int ret = av_channel_layout_describe(&avctx->ch_layout, buf, sizeof(buf));
|
|
if (ret < 0)
|
|
return ret;
|
|
avio_printf(s->pb, "#sample_rate %d: %d\n", i,avctx->sample_rate);
|
|
avio_printf(s->pb, "#channel_layout_name %d: %s\n", i, buf);
|
|
break;
|
|
}
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
avio_printf(s->pb, "#dimensions %d: %dx%d\n", i, avctx->width, avctx->height);
|
|
avio_printf(s->pb, "#sar %d: %d/%d\n", i, st->sample_aspect_ratio.num, st->sample_aspect_ratio.den);
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|