move framecrc muxer in its own file
[libav.git] / libavformat / framecrcenc.c
CommitLineData
6b6adf2b
AJ
1/*
2 * frame CRC encoder (for codec/format testing)
3 * Copyright (c) 2002 Fabrice Bellard.
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21#include "avformat.h"
22#include "adler32.h"
23
24static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
25{
26 uint32_t crc = av_adler32_update(0, pkt->data, pkt->size);
27 char buf[256];
28
29 snprintf(buf, sizeof(buf), "%d, %"PRId64", %d, 0x%08x\n", pkt->stream_index, pkt->dts, pkt->size, crc);
30 put_buffer(&s->pb, buf, strlen(buf));
31 put_flush_packet(&s->pb);
32 return 0;
33}
34
35AVOutputFormat framecrc_muxer = {
36 "framecrc",
37 "framecrc testing format",
38 NULL,
39 "",
40 0,
41 CODEC_ID_PCM_S16LE,
42 CODEC_ID_RAWVIDEO,
43 NULL,
44 framecrc_write_packet,
45 NULL,
46};