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formats.c
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1/*
2 * Copyright (c) 2007 Bobby Bingham
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include "libavutil/channel_layout.h"
22#include "libavfilter/audio.h"
23#include "libavfilter/formats.c"
24
25const int64_t avfilter_all_channel_layouts[] = {
26 AV_CH_FRONT_CENTER,
27 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY,
28 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT,
29 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY,
30 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER,
31 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY,
32 AV_CH_FRONT_CENTER|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,
33 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,
34 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,
35 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,
36 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,
37 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT,
38 AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER,
39 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER,
40 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_CENTER,
41 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER,
42 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER,
43 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER,
44 AV_CH_FRONT_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
45 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
46 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
47 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
48 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
49 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
50 AV_CH_FRONT_CENTER|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
51 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
52 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
53 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
54 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
55 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
56 AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
57 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
58 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
59 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
60 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
61 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT,
62 AV_CH_FRONT_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
63 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
64 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
65 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
66 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
67 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
68 AV_CH_FRONT_CENTER|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
69 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
70 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
71 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
72 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
73 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
74 AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
75 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
76 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
77 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
78 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
79 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
80 AV_CH_FRONT_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
81 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
82 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
83 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
84 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
85 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
86 AV_CH_FRONT_CENTER|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
87 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
88 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
89 AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
90 AV_CH_FRONT_CENTER|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
91 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
92 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_LOW_FREQUENCY|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
93 AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT|AV_CH_FRONT_CENTER|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT,
94 -1
95};
96
97int main(void)
98{
99 AVChannelLayout layout = { 0 };
100 const int64_t *cl;
101 char buf[512];
102 int i;
103 const char *teststrings[] ={
104 "blah",
105 "1",
106 "2",
107 "-1",
108 "60",
109 "65",
110 "1c",
111 "2c",
112 "-1c",
113 "60c",
114 "65c",
115 "2C",
116 "60C",
117 "65C",
118 "5.1",
119 "stereo",
120 "0x3",
121 };
122
123 for (cl = avfilter_all_channel_layouts; *cl != -1; cl++) {
124 av_channel_layout_from_mask(&layout, *cl);
125 av_channel_layout_describe(&layout, buf, sizeof(buf));
126 printf("%s\n", buf);
127 av_channel_layout_uninit(&layout);
128 }
129
130 for ( i = 0; i<FF_ARRAY_ELEMS(teststrings); i++) {
131 int count = -1;
132 int ret;
133 av_channel_layout_uninit(&layout);
134 ret = ff_parse_channel_layout(&layout, &count, teststrings[i], NULL);
135
136 printf ("%d = ff_parse_channel_layout(%016"PRIX64", %2d, %s);\n", ret ? -1 : 0, layout.order == AV_CHANNEL_ORDER_NATIVE ? layout.u.mask : 0, count, teststrings[i]);
137 }
138
139 return 0;
140}
ff_parse_channel_layout
int ff_parse_channel_layout(AVChannelLayout *ret, int *nret, const char *arg, void *log_ctx)
Parse a channel layout or a corresponding integer representation.
Definition audio.c:99
i
#define i(width, name, range_min, range_max)
Definition cbs_h264.c:63
channel_layout.h
Public libavutil channel layout APIs header.
NULL
#define NULL
Definition coverity.c:32
int64_t
long long int64_t
Definition coverity.c:34
printf
__device__ int printf(const char *,...)
AV_CH_SIDE_LEFT
#define AV_CH_SIDE_LEFT
Definition channel_layout.h:184
AV_CH_FRONT_RIGHT
#define AV_CH_FRONT_RIGHT
Definition channel_layout.h:176
AV_CH_BACK_CENTER
#define AV_CH_BACK_CENTER
Definition channel_layout.h:183
AV_CH_BACK_RIGHT
#define AV_CH_BACK_RIGHT
Definition channel_layout.h:180
AV_CH_FRONT_CENTER
#define AV_CH_FRONT_CENTER
Definition channel_layout.h:177
AV_CH_SIDE_RIGHT
#define AV_CH_SIDE_RIGHT
Definition channel_layout.h:185
AV_CH_BACK_LEFT
#define AV_CH_BACK_LEFT
Definition channel_layout.h:179
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition channel_layout.h:178
AV_CH_STEREO_RIGHT
#define AV_CH_STEREO_RIGHT
Definition channel_layout.h:194
AV_CH_STEREO_LEFT
#define AV_CH_STEREO_LEFT
Definition channel_layout.h:193
AV_CH_FRONT_LEFT
#define AV_CH_FRONT_LEFT
Definition channel_layout.h:175
av_channel_layout_uninit
void av_channel_layout_uninit(AVChannelLayout *channel_layout)
Free any allocated data in the channel layout and reset the channel count to 0.
Definition channel_layout.c:443
av_channel_layout_from_mask
int av_channel_layout_from_mask(AVChannelLayout *channel_layout, uint64_t mask)
Initialize a native channel layout from a bitmask indicating which channels are present.
Definition channel_layout.c:253
av_channel_layout_describe
int av_channel_layout_describe(const AVChannelLayout *channel_layout, char *buf, size_t buf_size)
Get a human-readable string describing the channel layout properties.
Definition channel_layout.c:654
AV_CHANNEL_ORDER_NATIVE
@ AV_CHANNEL_ORDER_NATIVE
The native channel order, i.e.
Definition channel_layout.h:125
layout
uint64_t layout
Definition mediacodecdec_common.c:155
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition sinewin_tablegen.c:29
AVChannelLayout
An AVChannelLayout holds information about the channel layout of audio data.
Definition channel_layout.h:319
main
int main(void)
Definition formats.c:97
avfilter_all_channel_layouts
const int64_t avfilter_all_channel_layouts[]
Definition formats.c:25
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