FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavformat/framecrcenc.c
Date: 2022-12-05 03:11:11
Exec Total Coverage
Lines: 21 21 100.0%
Functions: 2 2 100.0%
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Line Branch Exec Source
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
22 #include <inttypes.h>
23
24 #include "libavutil/adler32.h"
25 #include "libavutil/avstring.h"
26
27 #include "libavcodec/codec_id.h"
28 #include "libavcodec/codec_par.h"
29 #include "libavcodec/packet.h"
30
31 #include "avformat.h"
32 #include "internal.h"
33
34 1398 static int framecrc_write_header(struct AVFormatContext *s)
35 {
36 int i;
37
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2896 for (i = 0; i < s->nb_streams; i++) {
38 1498 AVStream *st = s->streams[i];
39 1498 AVCodecParameters *par = st->codecpar;
40
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1498 if (par->extradata) {
41 76 uint32_t crc = av_adler32_update(0, par->extradata, par->extradata_size);
42 76 avio_printf(s->pb, "#extradata %d: %8d, 0x%08"PRIx32"\n",
43 i, par->extradata_size, crc);
44 }
45 }
46
47 1398 return ff_framehash_write_header(s);
48 }
49
50 80506 static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
51 {
52 80506 uint32_t crc = av_adler32_update(0, pkt->data, pkt->size);
53 char buf[256];
54
55 80506 snprintf(buf, sizeof(buf), "%d, %10"PRId64", %10"PRId64", %8"PRId64", %8d, 0x%08"PRIx32,
56 pkt->stream_index, pkt->dts, pkt->pts, pkt->duration, pkt->size, crc);
57
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80506 if (pkt->flags != AV_PKT_FLAG_KEY)
58 2959 av_strlcatf(buf, sizeof(buf), ", F=0x%0X", pkt->flags);
59
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80506 if (pkt->side_data_elems) {
60 223 av_strlcatf(buf, sizeof(buf), ", S=%d", pkt->side_data_elems);
61
62
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452 for (int i = 0; i < pkt->side_data_elems; i++) {
63 229 av_strlcatf(buf, sizeof(buf), ", %8"SIZE_SPECIFIER,
64 229 pkt->side_data[i].size);
65 }
66 }
67 80506 av_strlcatf(buf, sizeof(buf), "\n");
68 80506 avio_write(s->pb, buf, strlen(buf));
69 80506 return 0;
70 }
71
72 const AVOutputFormat ff_framecrc_muxer = {
73 .name = "framecrc",
74 .long_name = NULL_IF_CONFIG_SMALL("framecrc testing"),
75 .audio_codec = AV_CODEC_ID_PCM_S16LE,
76 .video_codec = AV_CODEC_ID_RAWVIDEO,
77 .write_header = framecrc_write_header,
78 .write_packet = framecrc_write_packet,
79 .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT |
80 AVFMT_TS_NEGATIVE,
81 };
82