PipeWire 1.5.84
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layout-types.h
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1/* Simple Plugin API */
2/* SPDX-FileCopyrightText: Copyright © 2025 Wim Taymans */
3/* SPDX-License-Identifier: MIT */
4
5#ifndef SPA_AUDIO_LAYOUT_TYPES_H
6#define SPA_AUDIO_LAYOUT_TYPES_H
7
8#include <spa/utils/type.h>
9#include <spa/utils/string.h>
11
12#ifdef __cplusplus
13extern "C" {
14#endif
15
20
21#ifndef SPA_API_AUDIO_LAYOUT_TYPES
22 #ifdef SPA_API_IMPL
23 #define SPA_API_AUDIO_LAYOUT_TYPES SPA_API_IMPL
24 #else
25 #define SPA_API_AUDIO_LAYOUT_TYPES static inline
26 #endif
27#endif
28
29static const struct spa_type_audio_layout_info {
30 const char *name;
31 struct spa_audio_layout_info layout;
33 { "Mono", { SPA_AUDIO_LAYOUT_Mono } },
34 { "Stereo", { SPA_AUDIO_LAYOUT_Stereo } },
35 { "Quad", { SPA_AUDIO_LAYOUT_Quad } },
36 { "Pentagonal", { SPA_AUDIO_LAYOUT_Pentagonal } },
37 { "Hexagonal", { SPA_AUDIO_LAYOUT_Hexagonal } },
38 { "Octagonal", { SPA_AUDIO_LAYOUT_Octagonal } },
39 { "Cube", { SPA_AUDIO_LAYOUT_Cube } },
40 { "MPEG-1.0", { SPA_AUDIO_LAYOUT_MPEG_1_0 } },
41 { "MPEG-2.0", { SPA_AUDIO_LAYOUT_MPEG_2_0 } },
42 { "MPEG-3.0A", { SPA_AUDIO_LAYOUT_MPEG_3_0A } },
43 { "MPEG-3.0B", { SPA_AUDIO_LAYOUT_MPEG_3_0B } },
44 { "MPEG-4.0A", { SPA_AUDIO_LAYOUT_MPEG_4_0A } },
45 { "MPEG-4.0B", { SPA_AUDIO_LAYOUT_MPEG_4_0B } },
46 { "MPEG-5.0A", { SPA_AUDIO_LAYOUT_MPEG_5_0A } },
47 { "MPEG-5.0B", { SPA_AUDIO_LAYOUT_MPEG_5_0B } },
48 { "MPEG-5.0C", { SPA_AUDIO_LAYOUT_MPEG_5_0C } },
49 { "MPEG-5.0D", { SPA_AUDIO_LAYOUT_MPEG_5_0D } },
50 { "MPEG-5.1A", { SPA_AUDIO_LAYOUT_MPEG_5_1A } },
51 { "MPEG-5.1B", { SPA_AUDIO_LAYOUT_MPEG_5_1B } },
52 { "MPEG-5.1C", { SPA_AUDIO_LAYOUT_MPEG_5_1C } },
53 { "MPEG-5.1D", { SPA_AUDIO_LAYOUT_MPEG_5_1D } },
54 { "MPEG-6.1A", { SPA_AUDIO_LAYOUT_MPEG_6_1A } },
55 { "MPEG-7.1A", { SPA_AUDIO_LAYOUT_MPEG_7_1A } },
56 { "MPEG-7.1B", { SPA_AUDIO_LAYOUT_MPEG_7_1B } },
57 { "MPEG-7.1C", { SPA_AUDIO_LAYOUT_MPEG_7_1C } },
58 { "2.1", { SPA_AUDIO_LAYOUT_2_1 } },
59 { "2RC", { SPA_AUDIO_LAYOUT_2RC } },
60 { "2FC", { SPA_AUDIO_LAYOUT_2FC } },
61 { "3.1", { SPA_AUDIO_LAYOUT_3_1 } },
62 { "4.0", { SPA_AUDIO_LAYOUT_4_0 } },
63 { "2.2", { SPA_AUDIO_LAYOUT_2_2 } },
64 { "4.1", { SPA_AUDIO_LAYOUT_4_1 } },
65 { "5.0", { SPA_AUDIO_LAYOUT_5_0 } },
66 { "5.0R", { SPA_AUDIO_LAYOUT_5_0R } },
67 { "5.1", { SPA_AUDIO_LAYOUT_5_1 } },
68 { "5.1R", { SPA_AUDIO_LAYOUT_5_1R } },
69 { "6.0", { SPA_AUDIO_LAYOUT_6_0 } },
70 { "6.0F", { SPA_AUDIO_LAYOUT_6_0F } },
71 { "6.1", { SPA_AUDIO_LAYOUT_6_1 } },
72 { "6.1F", { SPA_AUDIO_LAYOUT_6_1F } },
73 { "7.0", { SPA_AUDIO_LAYOUT_7_0 } },
74 { "7.0F", { SPA_AUDIO_LAYOUT_7_0F } },
75 { "7.1", { SPA_AUDIO_LAYOUT_7_1 } },
76 { "7.1W", { SPA_AUDIO_LAYOUT_7_1W } },
77 { "7.1WR", { SPA_AUDIO_LAYOUT_7_1WR } },
78 { NULL, },
79};
80
83 const char *name)
84{
85 uint32_t max_position = SPA_AUDIO_LAYOUT_INFO_MAX_POSITION(size);
86 if (spa_strstartswith(name, "AUX")) {
87 uint32_t i, n_pos;
88 if (spa_atou32(name+3, &n_pos, 10)) {
89 if (n_pos > max_position)
90 return -ECHRNG;
91 for (i = 0; i < 0x1000 && i < n_pos; i++)
92 layout->position[i] = SPA_AUDIO_CHANNEL_AUX0 + i;
93 for (; i < n_pos; i++)
95 layout->n_channels = n_pos;
96 return n_pos;
97 }
98 }
100 if (spa_streq(name, i->name)) {
101 if (i->layout.n_channels > max_position)
102 return -ECHRNG;
103 *layout = i->layout;
104 return i->layout.n_channels;
105 }
106 }
107 return -ENOTSUP;
108}
109
113
114#ifdef __cplusplus
115} /* extern "C" */
116#endif
117
118#endif /* SPA_AUDIO_LAYOUT_TYPES_H */
#define SPA_AUDIO_LAYOUT_MPEG_7_1A
Definition layout.h:97
#define SPA_AUDIO_LAYOUT_Octagonal
Definition layout.h:47
#define SPA_AUDIO_LAYOUT_MPEG_6_1A
Definition layout.h:93
#define SPA_AUDIO_LAYOUT_6_0F
Definition layout.h:144
#define SPA_AUDIO_LAYOUT_5_1
Definition layout.h:135
#define SPA_AUDIO_LAYOUT_4_1
Definition layout.h:126
#define SPA_AUDIO_LAYOUT_MPEG_7_1C
Definition layout.h:105
#define SPA_AUDIO_LAYOUT_7_0F
Definition layout.h:159
#define SPA_AUDIO_LAYOUT_7_1W
Definition layout.h:167
#define SPA_AUDIO_LAYOUT_Cube
Definition layout.h:51
#define SPA_AUDIO_LAYOUT_3_1
Definition layout.h:119
#define SPA_AUDIO_LAYOUT_4_0
Definition layout.h:121
#define SPA_AUDIO_LAYOUT_MPEG_5_1A
Definition layout.h:81
#define SPA_AUDIO_LAYOUT_2_2
Definition layout.h:123
#define SPA_AUDIO_LAYOUT_7_1
Definition layout.h:163
#define SPA_AUDIO_LAYOUT_MPEG_5_0C
Definition layout.h:75
#define SPA_AUDIO_LAYOUT_MPEG_5_1C
Definition layout.h:87
#define SPA_AUDIO_LAYOUT_5_0R
Definition layout.h:132
#define SPA_AUDIO_LAYOUT_Quad
Definition layout.h:39
#define SPA_AUDIO_LAYOUT_MPEG_5_0A
Definition layout.h:69
#define SPA_AUDIO_LAYOUT_MPEG_1_0
Definition layout.h:58
#define SPA_AUDIO_LAYOUT_MPEG_2_0
Definition layout.h:60
#define SPA_AUDIO_LAYOUT_MPEG_4_0B
Definition layout.h:67
#define SPA_AUDIO_LAYOUT_Stereo
Definition layout.h:38
#define SPA_AUDIO_LAYOUT_MPEG_3_0A
Definition layout.h:61
#define SPA_AUDIO_LAYOUT_INFO_MAX_POSITION(size)
Definition layout.h:33
#define SPA_AUDIO_LAYOUT_Mono
Definition layout.h:36
#define SPA_AUDIO_LAYOUT_MPEG_5_0B
Definition layout.h:72
#define SPA_AUDIO_LAYOUT_7_1WR
Definition layout.h:171
#define SPA_AUDIO_LAYOUT_5_1R
Definition layout.h:138
#define SPA_AUDIO_LAYOUT_MPEG_5_1B
Definition layout.h:84
#define SPA_AUDIO_LAYOUT_MPEG_7_1B
Definition layout.h:101
#define SPA_AUDIO_LAYOUT_6_0
Definition layout.h:141
#define SPA_AUDIO_LAYOUT_Pentagonal
Definition layout.h:41
SPA_API_AUDIO_LAYOUT_TYPES int spa_audio_layout_info_parse_name(struct spa_audio_layout_info *layout, size_t size, const char *name)
Definition layout-types.h:89
#define SPA_AUDIO_LAYOUT_2FC
Definition layout.h:116
#define SPA_AUDIO_LAYOUT_MPEG_5_0D
Definition layout.h:78
#define SPA_AUDIO_LAYOUT_5_0
Definition layout.h:129
#define SPA_AUDIO_LAYOUT_6_1F
Definition layout.h:151
#define SPA_AUDIO_LAYOUT_MPEG_3_0B
Definition layout.h:63
#define SPA_API_AUDIO_LAYOUT_TYPES
Definition layout-types.h:32
#define SPA_AUDIO_LAYOUT_Hexagonal
Definition layout.h:44
#define SPA_AUDIO_LAYOUT_2RC
Definition layout.h:114
#define SPA_AUDIO_LAYOUT_2_1
Definition layout.h:111
#define SPA_AUDIO_LAYOUT_MPEG_4_0A
Definition layout.h:65
#define SPA_AUDIO_LAYOUT_7_0
Definition layout.h:155
#define SPA_AUDIO_LAYOUT_6_1
Definition layout.h:147
#define SPA_AUDIO_LAYOUT_MPEG_5_1D
Definition layout.h:90
@ SPA_AUDIO_CHANNEL_AUX0
Definition raw.h:204
@ SPA_AUDIO_CHANNEL_UNKNOWN
unspecified
Definition raw.h:162
SPA_API_STRING bool spa_strstartswith(const char *s, const char *prefix)
Definition string.h:73
SPA_API_STRING bool spa_atou32(const char *str, uint32_t *val, int base)
Convert str to an uint32_t with the given base and store the result in val.
Definition string.h:139
SPA_API_STRING bool spa_streq(const char *s1, const char *s2)
Definition string.h:52
#define SPA_FOR_EACH_ELEMENT_VAR(arr, var)
Definition defs.h:157
spa/param/audio/layout.h
spa/utils/type.h
spa/utils/string.h
Definition layout.h:26
uint32_t position[SPA_AUDIO_MAX_CHANNELS]
Definition layout.h:28
uint32_t n_channels
Definition layout.h:27
Definition layout-types.h:36
struct spa_audio_layout_info layout
Definition layout-types.h:38