FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavformat/flacenc_header.c
Date: 2022-12-09 07:38:14
Exec Total Coverage
Lines: 17 18 94.4%
Functions: 2 2 100.0%
Branches: 13 20 65.0%

Line Branch Exec Source
1 /*
2 * raw FLAC muxer
3 * Copyright (C) 2009 Justin Ruggles
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/channel_layout.h"
23
24 #include "libavcodec/flac.h"
25
26 #include "avformat.h"
27 #include "flacenc.h"
28
29 18 int ff_flac_write_header(AVIOContext *pb, const uint8_t *extradata,
30 int extradata_size, int last_block)
31 {
32 18 uint8_t header[8] = {
33 0x66, 0x4C, 0x61, 0x43, 0x00, 0x00, 0x00, 0x22
34 };
35
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18 header[4] = last_block ? 0x80 : 0x00;
37
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18 if (extradata_size < FLAC_STREAMINFO_SIZE)
39 return AVERROR_INVALIDDATA;
40
41 /* write "fLaC" stream marker and first metadata block header */
42 18 avio_write(pb, header, 8);
43
44 /* write STREAMINFO */
45 18 avio_write(pb, extradata, FLAC_STREAMINFO_SIZE);
46
47 18 return 0;
48 }
49
50 18 int ff_flac_is_native_layout(uint64_t channel_layout)
51 {
52
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18 if (channel_layout == AV_CH_LAYOUT_MONO ||
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7 channel_layout == AV_CH_LAYOUT_STEREO ||
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7 channel_layout == AV_CH_LAYOUT_SURROUND ||
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7 channel_layout == AV_CH_LAYOUT_QUAD ||
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7 channel_layout == AV_CH_LAYOUT_5POINT0 ||
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5 channel_layout == AV_CH_LAYOUT_5POINT1 ||
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5 channel_layout == AV_CH_LAYOUT_6POINT1 ||
59 channel_layout == AV_CH_LAYOUT_7POINT1)
60 13 return 1;
61 5 return 0;
62 }
63