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framehash.c
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1 /*
2  * Common functions for the frame{crc,md5} muxers
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "internal.h"
22 
24 {
25  int i;
26 
27  if (s->nb_streams && !(s->flags & AVFMT_FLAG_BITEXACT))
28  avio_printf(s->pb, "#software: %s\n", LIBAVFORMAT_IDENT);
29  for (i = 0; i < s->nb_streams; i++) {
30  AVStream *st = s->streams[i];
31  avio_printf(s->pb, "#tb %d: %d/%d\n", i, st->time_base.num, st->time_base.den);
32  avio_flush(s->pb);
33  }
34  return 0;
35 }
const char * s
Definition: avisynth_c.h:631
int num
numerator
Definition: rational.h:44
Format I/O context.
Definition: avformat.h:1314
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1382
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1425
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1442
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1370
#define LIBAVFORMAT_IDENT
Definition: version.h:44
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:202
int ff_framehash_write_header(AVFormatContext *s)
Set the timebase for each stream from the corresponding codec timebase and print it.
Definition: framehash.c:23
Stream structure.
Definition: avformat.h:877
AVIOContext * pb
I/O context.
Definition: avformat.h:1356
int den
denominator
Definition: rational.h:45
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:919
int avio_printf(AVIOContext *s, const char *fmt,...) av_printf_format(2