PipeWire 0.3.65
audio/raw-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
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef SPA_AUDIO_RAW_UTILS_H
26#define SPA_AUDIO_RAW_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 struct spa_pod *
62spa_format_audio_raw_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_raw *info)
63{
64 struct spa_pod_frame f;
66 spa_pod_builder_add(builder,
69 0);
71 spa_pod_builder_add(builder,
73 if (info->rate != 0)
74 spa_pod_builder_add(builder,
76 if (info->channels != 0) {
77 spa_pod_builder_add(builder,
81 SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id,
82 info->channels, info->position), 0);
83 }
84 }
85 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
86}
87
92#ifdef __cplusplus
93} /* extern "C" */
94#endif
95
96#endif /* SPA_AUDIO_RAW_UTILS_H */
spa/pod/builder.h
static struct spa_pod * spa_format_audio_raw_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_raw *info)
Definition: audio/raw-utils.h:67
static int spa_format_audio_raw_parse(const struct spa_pod *format, struct spa_audio_info_raw *info)
Definition: audio/raw-utils.h:48
#define SPA_AUDIO_FLAG_UNPOSITIONED
Definition: audio/raw.h:296
#define SPA_AUDIO_MAX_CHANNELS
Definition: audio/raw.h:49
@ SPA_MEDIA_TYPE_audio
Definition: param/format.h:47
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: param/format.h:112
@ SPA_FORMAT_AUDIO_position
channel positions (Id enum spa_audio_position)
Definition: param/format.h:121
@ SPA_FORMAT_AUDIO_rate
sample rate (Int)
Definition: param/format.h:119
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: param/format.h:113
@ SPA_FORMAT_AUDIO_format
audio format, (Id enum spa_audio_format)
Definition: param/format.h:117
@ SPA_FORMAT_AUDIO_channels
number of audio channels (Int)
Definition: param/format.h:120
@ SPA_MEDIA_SUBTYPE_raw
Definition: param/format.h:58
@ SPA_AUDIO_FORMAT_UNKNOWN
Definition: audio/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: spa/include/spa/utils/type.h:53
@ SPA_TYPE_OBJECT_Format
Definition: spa/include/spa/utils/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
Audio information description.
Definition: audio/raw.h:298
enum spa_audio_format format
Definition: audio/raw.h:299
uint32_t channels
Definition: audio/raw.h:302
uint32_t flags
Definition: audio/raw.h:300
uint32_t position[SPA_AUDIO_MAX_CHANNELS]
Definition: audio/raw.h:303
uint32_t rate
Definition: audio/raw.h:301
Definition: builder.h:73
Definition: iter.h:47
Definition: pod/pod.h:63