PipeWire 0.3.65
alac-utils.h
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1/* Simple Plugin API
2 *
3 * Copyright © 2023 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"),
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12 * The above copyright notice and this permission notice (including the next
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15 *
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23 */
24
25#ifndef SPA_AUDIO_ALAC_UTILS_H
26#define SPA_AUDIO_ALAC_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_alac_parse(const struct spa_pod *format, struct spa_audio_info_alac *info)
44{
45 int res;
46 res = spa_pod_parse_object(format,
50 return res;
51}
52
53static inline struct spa_pod *
54spa_format_audio_alac_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_alac *info)
55{
56 struct spa_pod_frame f;
58 spa_pod_builder_add(builder,
62 0);
63 if (info->rate != 0)
64 spa_pod_builder_add(builder,
66 if (info->channels != 0)
67 spa_pod_builder_add(builder,
69 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
70}
71
76#ifdef __cplusplus
77} /* extern "C" */
78#endif
79
80#endif /* SPA_AUDIO_ALAC_UTILS_H */
spa/pod/builder.h
static struct spa_pod * spa_format_audio_alac_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_alac *info)
Definition: alac-utils.h:59
static int spa_format_audio_alac_parse(const struct spa_pod *format, struct spa_audio_info_alac *info)
Definition: alac-utils.h:48
@ 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_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_alac
Definition: param/format.h:76
@ SPA_AUDIO_FORMAT_ENCODED
Definition: audio/raw.h:53
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 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
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_parse_object(pod, type, id,...)
Definition: parser.h:596
#define SPA_POD_Int(val)
Definition: vararg.h:74
@ SPA_TYPE_OBJECT_Format
Definition: spa/include/spa/utils/type.h:96
spa/param/audio/format.h
spa/pod/parser.h
Definition: alac.h:38
uint32_t rate
Definition: alac.h:39
uint32_t channels
Definition: alac.h:40
Definition: builder.h:73
Definition: iter.h:47
Definition: pod/pod.h:63