PipeWire  0.3.65
aac.h
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"),
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_AAC_H
26 #define SPA_AUDIO_AAC_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <spa/param/audio/raw.h>
33 
34 enum spa_audio_aac_stream_format {
35  SPA_AUDIO_AAC_STREAM_FORMAT_UNKNOWN,
36  /* Raw AAC frames */
37  SPA_AUDIO_AAC_STREAM_FORMAT_RAW,
38  /* ISO/IEC 13818-7 MPEG-2 Audio Data Transport Stream (ADTS) */
39  SPA_AUDIO_AAC_STREAM_FORMAT_MP2ADTS,
40  /* ISO/IEC 14496-3 MPEG-4 Audio Data Transport Stream (ADTS) */
41  SPA_AUDIO_AAC_STREAM_FORMAT_MP4ADTS,
42  /* ISO/IEC 14496-3 Low Overhead Audio Stream (LOAS) */
43  SPA_AUDIO_AAC_STREAM_FORMAT_MP4LOAS,
44  /* ISO/IEC 14496-3 Low Overhead Audio Transport Multiplex (LATM) */
45  SPA_AUDIO_AAC_STREAM_FORMAT_MP4LATM,
46  /* ISO/IEC 14496-3 Audio Data Interchange Format (ADIF) */
47  SPA_AUDIO_AAC_STREAM_FORMAT_ADIF,
48  /* ISO/IEC 14496-12 MPEG-4 file format */
49  SPA_AUDIO_AAC_STREAM_FORMAT_MP4FF,
50 
51  SPA_AUDIO_AAC_STREAM_FORMAT_CUSTOM = 0x10000,
52 };
53 
54 struct spa_audio_info_aac {
55  uint32_t rate; /*< sample rate */
56  uint32_t channels; /*< number of channels */
57  uint32_t bitrate; /*< stream bitrate */
58  enum spa_audio_aac_stream_format stream_format; /*< AAC audio stream format */
59 };
60 
61 #define SPA_AUDIO_INFO_AAC_INIT(...) ((struct spa_audio_info_aac) { __VA_ARGS__ })
62 
67 #ifdef __cplusplus
68 } /* extern "C" */
69 #endif
70 
71 #endif /* SPA_AUDIO_AAC_H */
spa/param/audio/raw.h
Definition: aac.h:58
uint32_t channels
Definition: aac.h:60
uint32_t bitrate
Definition: aac.h:61
uint32_t rate
Definition: aac.h:59
enum spa_audio_aac_stream_format stream_format
Definition: aac.h:62