PulseAudio 16.1

channelmap.h
Go to the documentation of this file.
1#ifndef foochannelmaphfoo
2#define foochannelmaphfoo
3
4/***
5 This file is part of PulseAudio.
6
7 Copyright 2005-2006 Lennart Poettering
8 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
9
10 PulseAudio is free software; you can redistribute it and/or modify
11 it under the terms of the GNU Lesser General Public License as published
12 by the Free Software Foundation; either version 2.1 of the License,
13 or (at your option) any later version.
14
15 PulseAudio is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
19
20 You should have received a copy of the GNU Lesser General Public License
21 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
22***/
23
24#include <pulse/sample.h>
25#include <pulse/cdecl.h>
26#include <pulse/gccmacro.h>
27#include <pulse/version.h>
28
73PA_C_DECL_BEGIN
74
76 typedef enum pa_channel_position {
77 PA_CHANNEL_POSITION_INVALID = -1,
78 PA_CHANNEL_POSITION_MONO = 0,
79
80 PA_CHANNEL_POSITION_FRONT_LEFT,
81 PA_CHANNEL_POSITION_FRONT_RIGHT,
82 PA_CHANNEL_POSITION_FRONT_CENTER,
85 PA_CHANNEL_POSITION_LEFT = PA_CHANNEL_POSITION_FRONT_LEFT,
86 PA_CHANNEL_POSITION_RIGHT = PA_CHANNEL_POSITION_FRONT_RIGHT,
87 PA_CHANNEL_POSITION_CENTER = PA_CHANNEL_POSITION_FRONT_CENTER,
90 PA_CHANNEL_POSITION_REAR_CENTER,
91 PA_CHANNEL_POSITION_REAR_LEFT,
92 PA_CHANNEL_POSITION_REAR_RIGHT,
94 PA_CHANNEL_POSITION_LFE,
96 PA_CHANNEL_POSITION_SUBWOOFER = PA_CHANNEL_POSITION_LFE,
99 PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
100 PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
102 PA_CHANNEL_POSITION_SIDE_LEFT,
103 PA_CHANNEL_POSITION_SIDE_RIGHT,
105 PA_CHANNEL_POSITION_AUX0,
106 PA_CHANNEL_POSITION_AUX1,
107 PA_CHANNEL_POSITION_AUX2,
108 PA_CHANNEL_POSITION_AUX3,
109 PA_CHANNEL_POSITION_AUX4,
110 PA_CHANNEL_POSITION_AUX5,
111 PA_CHANNEL_POSITION_AUX6,
112 PA_CHANNEL_POSITION_AUX7,
113 PA_CHANNEL_POSITION_AUX8,
114 PA_CHANNEL_POSITION_AUX9,
115 PA_CHANNEL_POSITION_AUX10,
116 PA_CHANNEL_POSITION_AUX11,
117 PA_CHANNEL_POSITION_AUX12,
118 PA_CHANNEL_POSITION_AUX13,
119 PA_CHANNEL_POSITION_AUX14,
120 PA_CHANNEL_POSITION_AUX15,
121 PA_CHANNEL_POSITION_AUX16,
122 PA_CHANNEL_POSITION_AUX17,
123 PA_CHANNEL_POSITION_AUX18,
124 PA_CHANNEL_POSITION_AUX19,
125 PA_CHANNEL_POSITION_AUX20,
126 PA_CHANNEL_POSITION_AUX21,
127 PA_CHANNEL_POSITION_AUX22,
128 PA_CHANNEL_POSITION_AUX23,
129 PA_CHANNEL_POSITION_AUX24,
130 PA_CHANNEL_POSITION_AUX25,
131 PA_CHANNEL_POSITION_AUX26,
132 PA_CHANNEL_POSITION_AUX27,
133 PA_CHANNEL_POSITION_AUX28,
134 PA_CHANNEL_POSITION_AUX29,
135 PA_CHANNEL_POSITION_AUX30,
136 PA_CHANNEL_POSITION_AUX31,
137
138 PA_CHANNEL_POSITION_TOP_CENTER,
140 PA_CHANNEL_POSITION_TOP_FRONT_LEFT,
141 PA_CHANNEL_POSITION_TOP_FRONT_RIGHT,
142 PA_CHANNEL_POSITION_TOP_FRONT_CENTER,
144 PA_CHANNEL_POSITION_TOP_REAR_LEFT,
145 PA_CHANNEL_POSITION_TOP_REAR_RIGHT,
146 PA_CHANNEL_POSITION_TOP_REAR_CENTER,
148 PA_CHANNEL_POSITION_MAX
149} pa_channel_position_t;
150
152#define PA_CHANNEL_POSITION_INVALID PA_CHANNEL_POSITION_INVALID
153#define PA_CHANNEL_POSITION_MONO PA_CHANNEL_POSITION_MONO
154#define PA_CHANNEL_POSITION_LEFT PA_CHANNEL_POSITION_LEFT
155#define PA_CHANNEL_POSITION_RIGHT PA_CHANNEL_POSITION_RIGHT
156#define PA_CHANNEL_POSITION_CENTER PA_CHANNEL_POSITION_CENTER
157#define PA_CHANNEL_POSITION_FRONT_LEFT PA_CHANNEL_POSITION_FRONT_LEFT
158#define PA_CHANNEL_POSITION_FRONT_RIGHT PA_CHANNEL_POSITION_FRONT_RIGHT
159#define PA_CHANNEL_POSITION_FRONT_CENTER PA_CHANNEL_POSITION_FRONT_CENTER
160#define PA_CHANNEL_POSITION_REAR_CENTER PA_CHANNEL_POSITION_REAR_CENTER
161#define PA_CHANNEL_POSITION_REAR_LEFT PA_CHANNEL_POSITION_REAR_LEFT
162#define PA_CHANNEL_POSITION_REAR_RIGHT PA_CHANNEL_POSITION_REAR_RIGHT
163#define PA_CHANNEL_POSITION_LFE PA_CHANNEL_POSITION_LFE
164#define PA_CHANNEL_POSITION_SUBWOOFER PA_CHANNEL_POSITION_SUBWOOFER
165#define PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER
166#define PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER
167#define PA_CHANNEL_POSITION_SIDE_LEFT PA_CHANNEL_POSITION_SIDE_LEFT
168#define PA_CHANNEL_POSITION_SIDE_RIGHT PA_CHANNEL_POSITION_SIDE_RIGHT
169#define PA_CHANNEL_POSITION_AUX0 PA_CHANNEL_POSITION_AUX0
170#define PA_CHANNEL_POSITION_AUX1 PA_CHANNEL_POSITION_AUX1
171#define PA_CHANNEL_POSITION_AUX2 PA_CHANNEL_POSITION_AUX2
172#define PA_CHANNEL_POSITION_AUX3 PA_CHANNEL_POSITION_AUX3
173#define PA_CHANNEL_POSITION_AUX4 PA_CHANNEL_POSITION_AUX4
174#define PA_CHANNEL_POSITION_AUX5 PA_CHANNEL_POSITION_AUX5
175#define PA_CHANNEL_POSITION_AUX6 PA_CHANNEL_POSITION_AUX6
176#define PA_CHANNEL_POSITION_AUX7 PA_CHANNEL_POSITION_AUX7
177#define PA_CHANNEL_POSITION_AUX8 PA_CHANNEL_POSITION_AUX8
178#define PA_CHANNEL_POSITION_AUX9 PA_CHANNEL_POSITION_AUX9
179#define PA_CHANNEL_POSITION_AUX10 PA_CHANNEL_POSITION_AUX10
180#define PA_CHANNEL_POSITION_AUX11 PA_CHANNEL_POSITION_AUX11
181#define PA_CHANNEL_POSITION_AUX12 PA_CHANNEL_POSITION_AUX12
182#define PA_CHANNEL_POSITION_AUX13 PA_CHANNEL_POSITION_AUX13
183#define PA_CHANNEL_POSITION_AUX14 PA_CHANNEL_POSITION_AUX14
184#define PA_CHANNEL_POSITION_AUX15 PA_CHANNEL_POSITION_AUX15
185#define PA_CHANNEL_POSITION_AUX16 PA_CHANNEL_POSITION_AUX16
186#define PA_CHANNEL_POSITION_AUX17 PA_CHANNEL_POSITION_AUX17
187#define PA_CHANNEL_POSITION_AUX18 PA_CHANNEL_POSITION_AUX18
188#define PA_CHANNEL_POSITION_AUX19 PA_CHANNEL_POSITION_AUX19
189#define PA_CHANNEL_POSITION_AUX20 PA_CHANNEL_POSITION_AUX20
190#define PA_CHANNEL_POSITION_AUX21 PA_CHANNEL_POSITION_AUX21
191#define PA_CHANNEL_POSITION_AUX22 PA_CHANNEL_POSITION_AUX22
192#define PA_CHANNEL_POSITION_AUX23 PA_CHANNEL_POSITION_AUX23
193#define PA_CHANNEL_POSITION_AUX24 PA_CHANNEL_POSITION_AUX24
194#define PA_CHANNEL_POSITION_AUX25 PA_CHANNEL_POSITION_AUX25
195#define PA_CHANNEL_POSITION_AUX26 PA_CHANNEL_POSITION_AUX26
196#define PA_CHANNEL_POSITION_AUX27 PA_CHANNEL_POSITION_AUX27
197#define PA_CHANNEL_POSITION_AUX28 PA_CHANNEL_POSITION_AUX28
198#define PA_CHANNEL_POSITION_AUX29 PA_CHANNEL_POSITION_AUX29
199#define PA_CHANNEL_POSITION_AUX30 PA_CHANNEL_POSITION_AUX30
200#define PA_CHANNEL_POSITION_AUX31 PA_CHANNEL_POSITION_AUX31
201#define PA_CHANNEL_POSITION_TOP_CENTER PA_CHANNEL_POSITION_TOP_CENTER
202#define PA_CHANNEL_POSITION_TOP_FRONT_LEFT PA_CHANNEL_POSITION_TOP_FRONT_LEFT
203#define PA_CHANNEL_POSITION_TOP_FRONT_RIGHT PA_CHANNEL_POSITION_TOP_FRONT_RIGHT
204#define PA_CHANNEL_POSITION_TOP_FRONT_CENTER PA_CHANNEL_POSITION_TOP_FRONT_CENTER
205#define PA_CHANNEL_POSITION_TOP_REAR_LEFT PA_CHANNEL_POSITION_TOP_REAR_LEFT
206#define PA_CHANNEL_POSITION_TOP_REAR_RIGHT PA_CHANNEL_POSITION_TOP_REAR_RIGHT
207#define PA_CHANNEL_POSITION_TOP_REAR_CENTER PA_CHANNEL_POSITION_TOP_REAR_CENTER
208#define PA_CHANNEL_POSITION_MAX PA_CHANNEL_POSITION_MAX
212 typedef uint64_t pa_channel_position_mask_t;
213
215#define PA_CHANNEL_POSITION_MASK(f) ((pa_channel_position_mask_t) (1ULL << (f)))
216
218 typedef enum pa_channel_map_def {
219 PA_CHANNEL_MAP_AIFF,
223 PA_CHANNEL_MAP_ALSA,
229 PA_CHANNEL_MAP_AUX,
232 PA_CHANNEL_MAP_WAVEEX,
237 PA_CHANNEL_MAP_OSS,
245 PA_CHANNEL_MAP_DEF_MAX,
246
247 PA_CHANNEL_MAP_DEFAULT = PA_CHANNEL_MAP_AIFF
249} pa_channel_map_def_t;
250
252#define PA_CHANNEL_MAP_AIFF PA_CHANNEL_MAP_AIFF
253#define PA_CHANNEL_MAP_ALSA PA_CHANNEL_MAP_ALSA
254#define PA_CHANNEL_MAP_AUX PA_CHANNEL_MAP_AUX
255#define PA_CHANNEL_MAP_WAVEEX PA_CHANNEL_MAP_WAVEEX
256#define PA_CHANNEL_MAP_OSS PA_CHANNEL_MAP_OSS
257#define PA_CHANNEL_MAP_DEF_MAX PA_CHANNEL_MAP_DEF_MAX
258#define PA_CHANNEL_MAP_DEFAULT PA_CHANNEL_MAP_DEFAULT
264 typedef struct pa_channel_map {
265 uint8_t channels;
268 pa_channel_position_t map[PA_CHANNELS_MAX];
270} pa_channel_map;
271
275 pa_channel_map* pa_channel_map_init(pa_channel_map *m);
276
278 pa_channel_map* pa_channel_map_init_mono(pa_channel_map *m);
279
281 pa_channel_map* pa_channel_map_init_stereo(pa_channel_map *m);
282
287 pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels, pa_channel_map_def_t def);
288
293 pa_channel_map* pa_channel_map_init_extend(pa_channel_map *m, unsigned channels, pa_channel_map_def_t def);
294
296 const char* pa_channel_position_to_string(pa_channel_position_t pos) PA_GCC_PURE;
297
299 pa_channel_position_t pa_channel_position_from_string(const char *s) PA_GCC_PURE;
300
302 const char* pa_channel_position_to_pretty_string(pa_channel_position_t pos);
303
309#define PA_CHANNEL_MAP_SNPRINT_MAX 336
310
312 char* pa_channel_map_snprint(char *s, size_t l, const pa_channel_map *map);
313
318 pa_channel_map *pa_channel_map_parse(pa_channel_map *map, const char *s);
319
321 int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b) PA_GCC_PURE;
322
324 int pa_channel_map_valid(const pa_channel_map *map) PA_GCC_PURE;
325
328 int pa_channel_map_compatible(const pa_channel_map *map, const pa_sample_spec *ss) PA_GCC_PURE;
329
331 int pa_channel_map_superset(const pa_channel_map *a, const pa_channel_map *b) PA_GCC_PURE;
332
336 int pa_channel_map_can_balance(const pa_channel_map *map) PA_GCC_PURE;
337
341 int pa_channel_map_can_fade(const pa_channel_map *map) PA_GCC_PURE;
342
346 int pa_channel_map_can_lfe_balance(const pa_channel_map *map) PA_GCC_PURE;
347
352 const char* pa_channel_map_to_name(const pa_channel_map *map) PA_GCC_PURE;
353
357 const char* pa_channel_map_to_pretty_name(const pa_channel_map *map) PA_GCC_PURE;
358
361 int pa_channel_map_has_position(const pa_channel_map *map, pa_channel_position_t p) PA_GCC_PURE;
362
364 pa_channel_position_mask_t pa_channel_map_mask(const pa_channel_map *map) PA_GCC_PURE;
365
366PA_C_DECL_END
367
368#endif
pa_channel_map_can_balance
int pa_channel_map_can_balance(const pa_channel_map *map) PA_GCC_PURE
Returns non-zero if it makes sense to apply a volume 'balance' with this mapping, i....
pa_channel_map_to_name
const char * pa_channel_map_to_name(const pa_channel_map *map) PA_GCC_PURE
Tries to find a well-known channel mapping name for this channel mapping, i.e. "stereo",...
pa_channel_map_can_fade
int pa_channel_map_can_fade(const pa_channel_map *map) PA_GCC_PURE
Returns non-zero if it makes sense to apply a volume 'fade' (i.e. 'balance' between front and rear) w...
pa_channel_map_init
pa_channel_map * pa_channel_map_init(pa_channel_map *m)
Initialize the specified channel map and return a pointer to it.
pa_channel_map_superset
int pa_channel_map_superset(const pa_channel_map *a, const pa_channel_map *b) PA_GCC_PURE
Returns non-zero if every channel defined in b is also defined in a.
pa_channel_map_compatible
int pa_channel_map_compatible(const pa_channel_map *map, const pa_sample_spec *ss) PA_GCC_PURE
Return non-zero if the specified channel map is compatible with the specified sample spec.
pa_channel_map
struct pa_channel_map pa_channel_map
A channel map which can be used to attach labels to specific channels of a stream.
pa_channel_map_to_pretty_name
const char * pa_channel_map_to_pretty_name(const pa_channel_map *map) PA_GCC_PURE
Tries to find a human readable text label for this channel mapping, i.e. "Stereo",...
pa_channel_position_t
enum pa_channel_position pa_channel_position_t
A list of channel labels.
pa_channel_map_valid
int pa_channel_map_valid(const pa_channel_map *map) PA_GCC_PURE
Return non-zero if the specified channel map is considered valid.
pa_channel_map_can_lfe_balance
int pa_channel_map_can_lfe_balance(const pa_channel_map *map) PA_GCC_PURE
Returns non-zero if it makes sense to apply a volume 'lfe balance' (i.e. 'balance' between LFE and no...
pa_channel_map_def
pa_channel_map_def
A list of channel mapping definitions for pa_channel_map_init_auto()
Definition: channelmap.h:218
PA_CHANNEL_MAP_DEFAULT
@ PA_CHANNEL_MAP_DEFAULT
The default channel map.
Definition: channelmap.h:247
PA_CHANNEL_MAP_DEF_MAX
@ PA_CHANNEL_MAP_DEF_MAX
Upper limit of valid channel mapping definitions.
Definition: channelmap.h:245
PA_CHANNEL_MAP_AIFF
@ PA_CHANNEL_MAP_AIFF
The mapping from RFC3551, which is based on AIFF-C.
Definition: channelmap.h:219
PA_CHANNEL_MAP_AUX
@ PA_CHANNEL_MAP_AUX
Only aux channels.
Definition: channelmap.h:229
PA_CHANNEL_MAP_WAVEEX
@ PA_CHANNEL_MAP_WAVEEX
Microsoft's WAVEFORMATEXTENSIBLE mapping.
Definition: channelmap.h:232
pa_channel_map_parse
pa_channel_map * pa_channel_map_parse(pa_channel_map *map, const char *s)
Parse a channel position list or well-known mapping name into a channel map structure.
pa_channel_position_mask_t
uint64_t pa_channel_position_mask_t
A mask of channel positions.
Definition: channelmap.h:212
pa_channel_position_to_pretty_string
const char * pa_channel_position_to_pretty_string(pa_channel_position_t pos)
Return a human readable text label for the specified channel position.
pa_channel_map_def_t
enum pa_channel_map_def pa_channel_map_def_t
A list of channel mapping definitions for pa_channel_map_init_auto()
pa_channel_map_snprint
char * pa_channel_map_snprint(char *s, size_t l, const pa_channel_map *map)
Make a human readable string from the specified channel map.
pa_channel_map_equal
int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b) PA_GCC_PURE
Compare two channel maps.
pa_channel_map_mask
pa_channel_position_mask_t pa_channel_map_mask(const pa_channel_map *map) PA_GCC_PURE
Generates a bit mask from a channel map.
pa_channel_map_init_stereo
pa_channel_map * pa_channel_map_init_stereo(pa_channel_map *m)
Initialize the specified channel map for stereophonic audio and return a pointer to it.
pa_channel_map_has_position
int pa_channel_map_has_position(const pa_channel_map *map, pa_channel_position_t p) PA_GCC_PURE
Returns non-zero if the specified channel position is available at least once in the channel map.
pa_channel_position_to_string
const char * pa_channel_position_to_string(pa_channel_position_t pos) PA_GCC_PURE
Return a text label for the specified channel position.
pa_channel_map_init_mono
pa_channel_map * pa_channel_map_init_mono(pa_channel_map *m)
Initialize the specified channel map for monaural audio and return a pointer to it.
pa_channel_map_init_auto
pa_channel_map * pa_channel_map_init_auto(pa_channel_map *m, unsigned channels, pa_channel_map_def_t def)
Initialize the specified channel map for the specified number of channels using default labels and re...
pa_channel_position_from_string
pa_channel_position_t pa_channel_position_from_string(const char *s) PA_GCC_PURE
The inverse of pa_channel_position_to_string().
pa_channel_map_init_extend
pa_channel_map * pa_channel_map_init_extend(pa_channel_map *m, unsigned channels, pa_channel_map_def_t def)
Similar to pa_channel_map_init_auto() but instead of failing if no default mapping is known with the ...
pa_channel_position
pa_channel_position
A list of channel labels.
Definition: channelmap.h:76
PA_CHANNEL_POSITION_AUX12
@ PA_CHANNEL_POSITION_AUX12
Definition: channelmap.h:117
PA_CHANNEL_POSITION_TOP_REAR_CENTER
@ PA_CHANNEL_POSITION_TOP_REAR_CENTER
Microsoft and Apple call this 'Top Back Center'.
Definition: channelmap.h:146
PA_CHANNEL_POSITION_AUX2
@ PA_CHANNEL_POSITION_AUX2
Definition: channelmap.h:107
PA_CHANNEL_POSITION_TOP_FRONT_CENTER
@ PA_CHANNEL_POSITION_TOP_FRONT_CENTER
Apple calls this 'Vertical Height Center'.
Definition: channelmap.h:142
PA_CHANNEL_POSITION_AUX22
@ PA_CHANNEL_POSITION_AUX22
Definition: channelmap.h:127
PA_CHANNEL_POSITION_FRONT_LEFT
@ PA_CHANNEL_POSITION_FRONT_LEFT
Apple, Dolby call this 'Left'.
Definition: channelmap.h:80
PA_CHANNEL_POSITION_AUX28
@ PA_CHANNEL_POSITION_AUX28
Definition: channelmap.h:133
PA_CHANNEL_POSITION_REAR_RIGHT
@ PA_CHANNEL_POSITION_REAR_RIGHT
Microsoft calls this 'Back Right', Apple calls this 'Right Surround' (!), Dolby calls this 'Surround ...
Definition: channelmap.h:92
PA_CHANNEL_POSITION_AUX30
@ PA_CHANNEL_POSITION_AUX30
Definition: channelmap.h:135
PA_CHANNEL_POSITION_AUX8
@ PA_CHANNEL_POSITION_AUX8
Definition: channelmap.h:113
PA_CHANNEL_POSITION_FRONT_RIGHT
@ PA_CHANNEL_POSITION_FRONT_RIGHT
Apple, Dolby call this 'Right'.
Definition: channelmap.h:81
PA_CHANNEL_POSITION_AUX20
@ PA_CHANNEL_POSITION_AUX20
Definition: channelmap.h:125
PA_CHANNEL_POSITION_AUX11
@ PA_CHANNEL_POSITION_AUX11
Definition: channelmap.h:116
PA_CHANNEL_POSITION_AUX7
@ PA_CHANNEL_POSITION_AUX7
Definition: channelmap.h:112
PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER
@ PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER
Apple, Dolby call this 'Right Center.
Definition: channelmap.h:100
PA_CHANNEL_POSITION_INVALID
@ PA_CHANNEL_POSITION_INVALID
Definition: channelmap.h:77
PA_CHANNEL_POSITION_MAX
@ PA_CHANNEL_POSITION_MAX
Definition: channelmap.h:148
PA_CHANNEL_POSITION_AUX27
@ PA_CHANNEL_POSITION_AUX27
Definition: channelmap.h:132
PA_CHANNEL_POSITION_AUX31
@ PA_CHANNEL_POSITION_AUX31
Definition: channelmap.h:136
PA_CHANNEL_POSITION_AUX17
@ PA_CHANNEL_POSITION_AUX17
Definition: channelmap.h:122
PA_CHANNEL_POSITION_AUX6
@ PA_CHANNEL_POSITION_AUX6
Definition: channelmap.h:111
PA_CHANNEL_POSITION_AUX25
@ PA_CHANNEL_POSITION_AUX25
Definition: channelmap.h:130
PA_CHANNEL_POSITION_SIDE_LEFT
@ PA_CHANNEL_POSITION_SIDE_LEFT
Apple calls this 'Left Surround Direct', Dolby calls this 'Surround Left' (!)
Definition: channelmap.h:102
PA_CHANNEL_POSITION_AUX23
@ PA_CHANNEL_POSITION_AUX23
Definition: channelmap.h:128
PA_CHANNEL_POSITION_TOP_REAR_RIGHT
@ PA_CHANNEL_POSITION_TOP_REAR_RIGHT
Microsoft and Apple call this 'Top Back Right'.
Definition: channelmap.h:145
PA_CHANNEL_POSITION_TOP_REAR_LEFT
@ PA_CHANNEL_POSITION_TOP_REAR_LEFT
Microsoft and Apple call this 'Top Back Left'.
Definition: channelmap.h:144
PA_CHANNEL_POSITION_AUX19
@ PA_CHANNEL_POSITION_AUX19
Definition: channelmap.h:124
PA_CHANNEL_POSITION_FRONT_CENTER
@ PA_CHANNEL_POSITION_FRONT_CENTER
Apple, Dolby call this 'Center'.
Definition: channelmap.h:82
PA_CHANNEL_POSITION_AUX21
@ PA_CHANNEL_POSITION_AUX21
Definition: channelmap.h:126
PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER
@ PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER
Apple, Dolby call this 'Left Center'.
Definition: channelmap.h:99
PA_CHANNEL_POSITION_REAR_LEFT
@ PA_CHANNEL_POSITION_REAR_LEFT
Microsoft calls this 'Back Left', Apple calls this 'Left Surround' (!), Dolby calls this 'Surround Re...
Definition: channelmap.h:91
PA_CHANNEL_POSITION_SIDE_RIGHT
@ PA_CHANNEL_POSITION_SIDE_RIGHT
Apple calls this 'Right Surround Direct', Dolby calls this 'Surround Right' (!)
Definition: channelmap.h:103
PA_CHANNEL_POSITION_AUX16
@ PA_CHANNEL_POSITION_AUX16
Definition: channelmap.h:121
PA_CHANNEL_POSITION_TOP_CENTER
@ PA_CHANNEL_POSITION_TOP_CENTER
Apple calls this 'Top Center Surround'.
Definition: channelmap.h:138
PA_CHANNEL_POSITION_AUX26
@ PA_CHANNEL_POSITION_AUX26
Definition: channelmap.h:131
PA_CHANNEL_POSITION_AUX4
@ PA_CHANNEL_POSITION_AUX4
Definition: channelmap.h:109
PA_CHANNEL_POSITION_AUX3
@ PA_CHANNEL_POSITION_AUX3
Definition: channelmap.h:108
PA_CHANNEL_POSITION_AUX29
@ PA_CHANNEL_POSITION_AUX29
Definition: channelmap.h:134
PA_CHANNEL_POSITION_MONO
@ PA_CHANNEL_POSITION_MONO
Definition: channelmap.h:78
PA_CHANNEL_POSITION_LFE
@ PA_CHANNEL_POSITION_LFE
Microsoft calls this 'Low Frequency', Apple calls this 'LFEScreen'.
Definition: channelmap.h:94
PA_CHANNEL_POSITION_REAR_CENTER
@ PA_CHANNEL_POSITION_REAR_CENTER
Microsoft calls this 'Back Center', Apple calls this 'Center Surround', Dolby calls this 'Surround Re...
Definition: channelmap.h:90
PA_CHANNEL_POSITION_AUX0
@ PA_CHANNEL_POSITION_AUX0
Definition: channelmap.h:105
PA_CHANNEL_POSITION_AUX14
@ PA_CHANNEL_POSITION_AUX14
Definition: channelmap.h:119
PA_CHANNEL_POSITION_AUX1
@ PA_CHANNEL_POSITION_AUX1
Definition: channelmap.h:106
PA_CHANNEL_POSITION_TOP_FRONT_LEFT
@ PA_CHANNEL_POSITION_TOP_FRONT_LEFT
Apple calls this 'Vertical Height Left'.
Definition: channelmap.h:140
PA_CHANNEL_POSITION_AUX18
@ PA_CHANNEL_POSITION_AUX18
Definition: channelmap.h:123
PA_CHANNEL_POSITION_AUX5
@ PA_CHANNEL_POSITION_AUX5
Definition: channelmap.h:110
PA_CHANNEL_POSITION_AUX10
@ PA_CHANNEL_POSITION_AUX10
Definition: channelmap.h:115
PA_CHANNEL_POSITION_AUX9
@ PA_CHANNEL_POSITION_AUX9
Definition: channelmap.h:114
PA_CHANNEL_POSITION_TOP_FRONT_RIGHT
@ PA_CHANNEL_POSITION_TOP_FRONT_RIGHT
Apple calls this 'Vertical Height Right'.
Definition: channelmap.h:141
PA_CHANNEL_POSITION_AUX24
@ PA_CHANNEL_POSITION_AUX24
Definition: channelmap.h:129
PA_CHANNEL_POSITION_AUX13
@ PA_CHANNEL_POSITION_AUX13
Definition: channelmap.h:118
PA_CHANNEL_POSITION_AUX15
@ PA_CHANNEL_POSITION_AUX15
Definition: channelmap.h:120
gccmacro.h
GCC attribute macros.
PA_GCC_PURE
#define PA_GCC_PURE
This function's return value depends only the arguments list and global state.
Definition: gccmacro.h:71
sample.h
Constants and routines for sample type handling.
PA_CHANNELS_MAX
#define PA_CHANNELS_MAX
Maximum number of allowed channels.
Definition: sample.h:128
pa_channel_map
A channel map which can be used to attach labels to specific channels of a stream.
Definition: channelmap.h:264
pa_channel_map::map
pa_channel_position_t map[PA_CHANNELS_MAX]
Channel labels.
Definition: channelmap.h:268
pa_channel_map::channels
uint8_t channels
Number of channels mapped.
Definition: channelmap.h:265
pa_sample_spec
A sample format and attribute specification.
Definition: sample.h:252