FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavformat/microdvdenc.c
Date: 2022-11-26 13:19:19
Exec Total Coverage
Lines: 18 20 90.0%
Branches: 6 10 60.0%

Line Branch Exec Source
1 /*
2 * MicroDVD subtitle muxer
3 * Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
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 #include "avformat.h"
24 #include "internal.h"
25
26 1 static int microdvd_write_header(struct AVFormatContext *s)
27 {
28 1 AVCodecParameters *par = s->streams[0]->codecpar;
29 1 AVRational framerate = s->streams[0]->avg_frame_rate;
30
31
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1 if (s->nb_streams != 1 || par->codec_id != AV_CODEC_ID_MICRODVD) {
32 av_log(s, AV_LOG_ERROR, "Exactly one MicroDVD stream is needed.\n");
33 return -1;
34 }
35
36
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1 if (par->extradata && par->extradata_size > 0) {
37 1 avio_write(s->pb, "{DEFAULT}{}", 11);
38 1 avio_write(s->pb, par->extradata, par->extradata_size);
39 1 avio_w8(s->pb, '\n');
40 }
41
42 1 avpriv_set_pts_info(s->streams[0], 64, framerate.num, framerate.den);
43 1 return 0;
44 }
45
46 10 static int microdvd_write_packet(AVFormatContext *avf, AVPacket *pkt)
47 {
48 10 avio_printf(avf->pb, "{%"PRId64"}", pkt->pts);
49
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10 if (pkt->duration < 0)
50 1 avio_write(avf->pb, "{}", 2);
51 else
52 9 avio_printf(avf->pb, "{%"PRId64"}", pkt->pts + pkt->duration);
53 10 avio_write(avf->pb, pkt->data, pkt->size);
54 10 avio_w8(avf->pb, '\n');
55 10 return 0;
56 }
57
58 const AVOutputFormat ff_microdvd_muxer = {
59 .name = "microdvd",
60 .long_name = NULL_IF_CONFIG_SMALL("MicroDVD subtitle format"),
61 .mime_type = "text/x-microdvd",
62 .extensions = "sub",
63 .write_header = microdvd_write_header,
64 .write_packet = microdvd_write_packet,
65 .flags = AVFMT_NOTIMESTAMPS,
66 .subtitle_codec = AV_CODEC_ID_MICRODVD,
67 };
68