PipeWire 0.3.63
format-utils.h
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1/* Simple Plugin API
2 *
3 * Copyright © 2018 Wim Taymans
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
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15 *
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24
25#ifndef SPA_PARAM_AUDIO_FORMAT_UTILS_H
26#define SPA_PARAM_AUDIO_FORMAT_UTILS_H
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
37#include <spa/pod/parser.h>
38#include <spa/pod/builder.h>
41
42static inline int
43spa_format_audio_raw_parse(const struct spa_pod *format, struct spa_audio_info_raw *info)
44{
45 struct spa_pod *position = NULL;
46 int res;
47 info->flags = 0;
54 if (position == NULL ||
57
58 return res;
59}
60
61static inline int
62spa_format_audio_dsp_parse(const struct spa_pod *format, struct spa_audio_info_dsp *info)
63{
64 int res;
65 res = spa_pod_parse_object(format,
68 return res;
69}
70
71static inline int
72spa_format_audio_iec958_parse(const struct spa_pod *format, struct spa_audio_info_iec958 *info)
73{
74 int res;
75 res = spa_pod_parse_object(format,
79 return res;
80}
81
82static inline int
83spa_format_audio_dsd_parse(const struct spa_pod *format, struct spa_audio_info_dsd *info)
84{
85 struct spa_pod *position = NULL;
86 int res;
87 info->flags = 0;
95 if (position == NULL ||
98
99 return res;
100}
101
102static inline struct spa_pod *
103spa_format_audio_raw_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_raw *info)
104{
105 struct spa_pod_frame f;
107 spa_pod_builder_add(builder,
110 0);
111 if (info->format != SPA_AUDIO_FORMAT_UNKNOWN)
112 spa_pod_builder_add(builder,
114 if (info->rate != 0)
115 spa_pod_builder_add(builder,
117 if (info->channels != 0) {
118 spa_pod_builder_add(builder,
122 SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id,
123 info->channels, info->position), 0);
124 }
125 }
126 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
127}
128
129static inline struct spa_pod *
130spa_format_audio_dsp_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_dsp *info)
131{
132 struct spa_pod_frame f;
134 spa_pod_builder_add(builder,
137 0);
138 if (info->format != SPA_AUDIO_FORMAT_UNKNOWN)
139 spa_pod_builder_add(builder,
141 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
142}
143
144
145static inline struct spa_pod *
146spa_format_audio_iec958_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_iec958 *info)
147{
148 struct spa_pod_frame f;
150 spa_pod_builder_add(builder,
153 0);
155 spa_pod_builder_add(builder,
157 if (info->rate != 0)
158 spa_pod_builder_add(builder,
160 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
161}
162
163static inline struct spa_pod *
164spa_format_audio_dsd_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_dsd *info)
165{
166 struct spa_pod_frame f;
168 spa_pod_builder_add(builder,
171 0);
173 spa_pod_builder_add(builder,
175 if (info->interleave != 0)
176 spa_pod_builder_add(builder,
178 if (info->rate != 0)
179 spa_pod_builder_add(builder,
181 if (info->channels != 0) {
182 spa_pod_builder_add(builder,
186 SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id,
187 info->channels, info->position), 0);
188 }
189 }
190 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
191}
192
197#ifdef __cplusplus
198} /* extern "C" */
199#endif
200
201#endif /* SPA_PARAM_AUDIO_FORMAT_UTILS_H */
spa/pod/builder.h
static int spa_format_audio_iec958_parse(const struct spa_pod *format, struct spa_audio_info_iec958 *info)
Definition: format-utils.h:77
static struct spa_pod * spa_format_audio_iec958_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_iec958 *info)
Definition: format-utils.h:151
static struct spa_pod * spa_format_audio_raw_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_raw *info)
Definition: format-utils.h:108
static int spa_format_audio_raw_parse(const struct spa_pod *format, struct spa_audio_info_raw *info)
Definition: format-utils.h:48
static int spa_format_audio_dsd_parse(const struct spa_pod *format, struct spa_audio_info_dsd *info)
Definition: format-utils.h:88
#define SPA_AUDIO_FLAG_UNPOSITIONED
Definition: raw.h:296
static struct spa_pod * spa_format_audio_dsp_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_dsp *info)
Definition: format-utils.h:135
static int spa_format_audio_dsp_parse(const struct spa_pod *format, struct spa_audio_info_dsp *info)
Definition: format-utils.h:67
static struct spa_pod * spa_format_audio_dsd_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_dsd *info)
Definition: format-utils.h:169
#define SPA_AUDIO_MAX_CHANNELS
Definition: raw.h:49
@ SPA_PARAM_BITORDER_unknown
unknown bitorder
Definition: param.h:211
@ SPA_MEDIA_TYPE_audio
Definition: format.h:47
@ SPA_AUDIO_IEC958_CODEC_UNKNOWN
Definition: iec958.h:44
@ SPA_FORMAT_AUDIO_iec958Codec
codec used (IEC958) (Id enum spa_audio_iec958_codec)
Definition: format.h:120
@ SPA_FORMAT_AUDIO_interleave
Interleave bytes (Int)
Definition: format.h:123
@ SPA_FORMAT_AUDIO_bitorder
bit order (Id enum spa_param_bitorder)
Definition: format.h:122
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: format.h:109
@ SPA_FORMAT_AUDIO_position
channel positions (Id enum spa_audio_position)
Definition: format.h:118
@ SPA_FORMAT_AUDIO_rate
sample rate (Int)
Definition: format.h:116
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: format.h:110
@ SPA_FORMAT_AUDIO_format
audio format, (Id enum spa_audio_format)
Definition: format.h:114
@ SPA_FORMAT_AUDIO_channels
number of audio channels (Int)
Definition: format.h:117
@ SPA_MEDIA_SUBTYPE_iec958
Definition: format.h:60
@ SPA_MEDIA_SUBTYPE_dsp
Definition: format.h:59
@ SPA_MEDIA_SUBTYPE_raw
Definition: format.h:58
@ SPA_MEDIA_SUBTYPE_dsd
S/PDIF.
Definition: format.h:61
@ SPA_AUDIO_FORMAT_UNKNOWN
Definition: raw.h:52
#define SPA_POD_Array(csize, ctype, n_vals, vals)
Definition: vararg.h:140
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:667
#define SPA_POD_Id(val)
Definition: vararg.h:69
static uint32_t spa_pod_copy_array(const struct spa_pod *pod, uint32_t type, void *values, uint32_t max_values)
Definition: iter.h:349
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:188
#define SPA_POD_OPT_Int(val)
Definition: parser.h:542
#define SPA_POD_OPT_Id(val)
Definition: parser.h:540
static int spa_pod_builder_push_object(struct spa_pod_builder *builder, struct spa_pod_frame *frame, uint32_t type, uint32_t id)
Definition: builder.h:455
#define SPA_POD_OPT_Pod(val)
Definition: parser.h:566
#define spa_pod_parse_object(pod, type, id,...)
Definition: parser.h:596
#define SPA_POD_Int(val)
Definition: vararg.h:74
@ SPA_TYPE_Id
Definition: type.h:53
@ SPA_TYPE_OBJECT_Format
Definition: type.h:96
#define SPA_FLAG_SET(field, flag)
Definition: defs.h:95
#define SPA_FLAG_IS_SET(field, flag)
Definition: defs.h:92
spa/param/audio/format.h
spa/pod/parser.h
Definition: dsd.h:68
uint32_t position[SPA_AUDIO_MAX_CHANNELS]
Definition: dsd.h:74
uint32_t channels
Definition: dsd.h:73
enum spa_param_bitorder bitorder
Definition: dsd.h:69
uint32_t rate
Definition: dsd.h:72
int32_t interleave
Definition: dsd.h:71
uint32_t flags
Definition: dsd.h:70
Definition: raw.h:326
enum spa_audio_format format
Definition: raw.h:327
Definition: iec958.h:58
enum spa_audio_iec958_codec codec
Definition: iec958.h:59
uint32_t rate
Definition: iec958.h:61
Audio information description.
Definition: raw.h:298
enum spa_audio_format format
Definition: raw.h:299
uint32_t channels
Definition: raw.h:302
uint32_t flags
Definition: raw.h:300
uint32_t position[SPA_AUDIO_MAX_CHANNELS]
Definition: raw.h:303
uint32_t rate
Definition: raw.h:301
Definition: builder.h:73
Definition: iter.h:47
Definition: pod.h:63