PipeWire 0.3.77
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mp3-utils.h
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1/* Simple Plugin API */
2/* SPDX-FileCopyrightText: Copyright © 2023 Wim Taymans */
3/* SPDX-License-Identifier: MIT */
4
5#ifndef SPA_AUDIO_MP3_UTILS_H
6#define SPA_AUDIO_MP3_UTILS_H
7
8#ifdef __cplusplus
9extern "C" {
10#endif
11
17#include <spa/pod/parser.h>
18#include <spa/pod/builder.h>
21
22static inline int
23spa_format_audio_mp3_parse(const struct spa_pod *format, struct spa_audio_info_mp3 *info)
24{
25 int res;
26 res = spa_pod_parse_object(format,
30 return res;
31}
32
33static inline struct spa_pod *
34spa_format_audio_mp3_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_mp3 *info)
35{
36 struct spa_pod_frame f;
38 spa_pod_builder_add(builder,
42 0);
43 if (info->rate != 0)
44 spa_pod_builder_add(builder,
46 if (info->channels != 0)
47 spa_pod_builder_add(builder,
49 return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
50}
51
56#ifdef __cplusplus
57} /* extern "C" */
58#endif
59
60#endif /* SPA_AUDIO_MP3_UTILS_H */
spa/pod/builder.h
static int spa_format_audio_mp3_parse(const struct spa_pod *format, struct spa_audio_info_mp3 *info)
Definition: mp3-utils.h:28
static struct spa_pod * spa_format_audio_mp3_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_mp3 *info)
Definition: mp3-utils.h:39
@ SPA_MEDIA_TYPE_audio
Definition: param/format.h:27
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: param/format.h:93
@ SPA_FORMAT_AUDIO_rate
sample rate (Int)
Definition: param/format.h:100
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: param/format.h:94
@ SPA_FORMAT_AUDIO_format
audio format, (Id enum spa_audio_format)
Definition: param/format.h:98
@ SPA_FORMAT_AUDIO_channels
number of audio channels (Int)
Definition: param/format.h:101
@ SPA_MEDIA_SUBTYPE_mp3
Definition: param/format.h:44
@ SPA_AUDIO_FORMAT_ENCODED
Definition: audio/raw.h:33
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:647
#define SPA_POD_Id(val)
Definition: vararg.h:49
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:168
#define SPA_POD_OPT_Int(val)
Definition: parser.h:522
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:435
#define spa_pod_parse_object(pod, type, id,...)
Definition: parser.h:576
#define SPA_POD_Int(val)
Definition: vararg.h:54
@ SPA_TYPE_OBJECT_Format
Definition: spa/include/spa/utils/type.h:76
spa/param/audio/format.h
spa/pod/parser.h
Definition: mp3.h:26
uint32_t rate
Definition: mp3.h:27
uint32_t channels
Definition: mp3.h:28
Definition: builder.h:53
Definition: iter.h:27
Definition: pod/pod.h:43