mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 12:09:55 +00:00
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
|
|
* 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 "libavutil/adler32.h"
|
|
#include "avformat.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",
|
|
NULL_IF_CONFIG_SMALL("framecrc testing format"),
|
|
NULL,
|
|
"",
|
|
0,
|
|
CODEC_ID_PCM_S16LE,
|
|
CODEC_ID_RAWVIDEO,
|
|
NULL,
|
|
framecrc_write_packet,
|
|
NULL,
|
|
};
|