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6b6adf2b AJ |
1 | /* |
2 | * frame CRC encoder (for codec/format testing) | |
406792e7 | 3 | * Copyright (c) 2002 Fabrice Bellard |
6b6adf2b | 4 | * |
2912e87a | 5 | * This file is part of Libav. |
6b6adf2b | 6 | * |
2912e87a | 7 | * Libav is free software; you can redistribute it and/or |
6b6adf2b AJ |
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 | * | |
2912e87a | 12 | * Libav is distributed in the hope that it will be useful, |
6b6adf2b AJ |
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 | |
2912e87a | 18 | * License along with Libav; if not, write to the Free Software |
6b6adf2b AJ |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ | |
245976da DB |
21 | |
22 | #include "libavutil/adler32.h" | |
6b6adf2b | 23 | #include "avformat.h" |
6b6adf2b AJ |
24 | |
25 | static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt) | |
26 | { | |
27 | uint32_t crc = av_adler32_update(0, pkt->data, pkt->size); | |
28 | char buf[256]; | |
29 | ||
30 | snprintf(buf, sizeof(buf), "%d, %"PRId64", %d, 0x%08x\n", pkt->stream_index, pkt->dts, pkt->size, crc); | |
77eb5504 | 31 | avio_write(s->pb, buf, strlen(buf)); |
b7f2fdde | 32 | avio_flush(s->pb); |
6b6adf2b AJ |
33 | return 0; |
34 | } | |
35 | ||
c6610a21 | 36 | AVOutputFormat ff_framecrc_muxer = { |
6b6adf2b | 37 | "framecrc", |
bde15e74 | 38 | NULL_IF_CONFIG_SMALL("framecrc testing format"), |
6b6adf2b AJ |
39 | NULL, |
40 | "", | |
41 | 0, | |
42 | CODEC_ID_PCM_S16LE, | |
43 | CODEC_ID_RAWVIDEO, | |
44 | NULL, | |
45 | framecrc_write_packet, | |
46 | NULL, | |
47 | }; |