FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavformat/ircamenc.c
Date: 2022-12-09 07:38:14
Exec Total Coverage
Lines: 11 15 73.3%
Functions: 1 1 100.0%
Branches: 2 4 50.0%

Line Branch Exec Source
1 /*
2 * IRCAM muxer
3 * Copyright (c) 2012 Paul B Mahol
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 "libavutil/intreadwrite.h"
23 #include "avformat.h"
24 #include "avio_internal.h"
25 #include "internal.h"
26 #include "rawenc.h"
27 #include "ircam.h"
28
29 1 static int ircam_write_header(AVFormatContext *s)
30 {
31 1 AVCodecParameters *par = s->streams[0]->codecpar;
32 uint32_t tag;
33
34
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1 if (s->nb_streams != 1) {
35 av_log(s, AV_LOG_ERROR, "only one stream is supported\n");
36 return AVERROR(EINVAL);
37 }
38
39 1 tag = ff_codec_get_tag(ff_codec_ircam_le_tags, par->codec_id);
40
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1 if (!tag) {
41 av_log(s, AV_LOG_ERROR, "unsupported codec\n");
42 return AVERROR(EINVAL);
43 }
44
45 1 avio_wl32(s->pb, 0x0001A364);
46 1 avio_wl32(s->pb, av_q2intfloat((AVRational){par->sample_rate, 1}));
47 1 avio_wl32(s->pb, par->ch_layout.nb_channels);
48 1 avio_wl32(s->pb, tag);
49 1 ffio_fill(s->pb, 0, 1008);
50 1 return 0;
51 }
52
53 const AVOutputFormat ff_ircam_muxer = {
54 .name = "ircam",
55 .extensions = "sf,ircam",
56 .long_name = NULL_IF_CONFIG_SMALL("Berkeley/IRCAM/CARL Sound Format"),
57 .audio_codec = AV_CODEC_ID_PCM_S16LE,
58 .video_codec = AV_CODEC_ID_NONE,
59 .write_header = ircam_write_header,
60 .write_packet = ff_raw_write_packet,
61 .codec_tag = (const AVCodecTag *const []){ ff_codec_ircam_le_tags, 0 },
62 };
63