1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/*
* frame CRC encoder (for codec/format testing)
* Copyright (c) 2002 Fabrice Bellard.
*
* 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 "adler32.h"
static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
uint32_t crc = av_adler32_update(0, pkt->data, pkt->size);
char buf[256];
snprintf(buf, sizeof(buf), "%d, %"PRId64", %d, 0x%08x\n", pkt->stream_index, pkt->dts, pkt->size, crc);
put_buffer(s->pb, buf, strlen(buf));
put_flush_packet(s->pb);
return 0;
}
AVOutputFormat framecrc_muxer = {
"framecrc",
"framecrc testing format",
NULL,
"",
0,
CODEC_ID_PCM_S16LE,
CODEC_ID_RAWVIDEO,
NULL,
framecrc_write_packet,
NULL,
};
|
