PipeWire  0.3.66
aac-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_AAC_UTILS_H
6 #define SPA_AUDIO_AAC_UTILS_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
17 #include <spa/pod/parser.h>
18 #include <spa/pod/builder.h>
19 #include <spa/param/audio/format.h>
20 #include <spa/param/format-utils.h>
21 
22 static inline int
23 spa_format_audio_aac_parse(const struct spa_pod *format, struct spa_audio_info_aac *info)
24 {
25  int res;
26  res = spa_pod_parse_object(format,
32 
33  return res;
34 }
35 
36 static inline struct spa_pod *
37 spa_format_audio_aac_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_aac *info)
38 {
39  struct spa_pod_frame f;
41  spa_pod_builder_add(builder,
45  0);
46  if (info->rate != 0)
47  spa_pod_builder_add(builder,
49  if (info->channels != 0)
50  spa_pod_builder_add(builder,
52  if (info->bitrate != 0)
53  spa_pod_builder_add(builder,
55  if (info->stream_format != 0)
56  spa_pod_builder_add(builder,
58  return (struct spa_pod*)spa_pod_builder_pop(builder, &f);
59 }
60 
65 #ifdef __cplusplus
66 } /* extern "C" */
67 #endif
68 
69 #endif /* SPA_AUDIO_AAC_UTILS_H */
spa/pod/builder.h
static int spa_format_audio_aac_parse(const struct spa_pod *format, struct spa_audio_info_aac *info)
Definition: aac-utils.h:28
static struct spa_pod * spa_format_audio_aac_build(struct spa_pod_builder *builder, uint32_t id, struct spa_audio_info_aac *info)
Definition: aac-utils.h:42
@ SPA_MEDIA_TYPE_audio
Definition: param/format.h:27
@ SPA_FORMAT_AUDIO_AAC_streamFormat
AAC stream format, (Id enum spa_audio_aac_stream_format)
Definition: param/format.h:110
@ SPA_FORMAT_mediaType
media type (Id enum spa_media_type)
Definition: param/format.h:92
@ SPA_FORMAT_AUDIO_rate
sample rate (Int)
Definition: param/format.h:99
@ SPA_FORMAT_AUDIO_bitrate
bit rate (Int)
Definition: param/format.h:107
@ SPA_FORMAT_mediaSubtype
media subtype (Id enum spa_media_subtype)
Definition: param/format.h:93
@ SPA_FORMAT_AUDIO_format
audio format, (Id enum spa_audio_format)
Definition: param/format.h:97
@ SPA_FORMAT_AUDIO_channels
number of audio channels (Int)
Definition: param/format.h:100
@ SPA_MEDIA_SUBTYPE_aac
Definition: param/format.h:45
@ SPA_AUDIO_FORMAT_ENCODED
Definition: audio/raw.h:33
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:168
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:647
#define SPA_POD_Id(val)
Definition: vararg.h:49
#define SPA_POD_OPT_Int(val)
Definition: parser.h:522
#define SPA_POD_OPT_Id(val)
Definition: parser.h:520
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: aac.h:38
uint32_t channels
Definition: aac.h:40
uint32_t bitrate
Definition: aac.h:41
uint32_t rate
Definition: aac.h:39
enum spa_audio_aac_stream_format stream_format
Definition: aac.h:42
Definition: builder.h:53
Definition: iter.h:27
Definition: pod/pod.h:43