PipeWire: spa/param/audio/mp3.h Source File

PipeWire 1.6.4

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mp3.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_H
6#define SPA_AUDIO_MP3_H
7
8#include <spa/param/audio/raw.h>
9
10#ifdef __cplusplus
11extern "C" {
12#endif
13
18
19enum spa_audio_mp3_channel_mode {
20 SPA_AUDIO_MP3_CHANNEL_MODE_UNKNOWN,
22 SPA_AUDIO_MP3_CHANNEL_MODE_MONO,
24 SPA_AUDIO_MP3_CHANNEL_MODE_STEREO,
29 SPA_AUDIO_MP3_CHANNEL_MODE_JOINTSTEREO,
34 SPA_AUDIO_MP3_CHANNEL_MODE_DUAL,
35};
36
37struct spa_audio_info_mp3 {
38 uint32_t rate; /*< sample rate in Hz */
39 uint32_t channels; /*< number of channels */
40 enum spa_audio_mp3_channel_mode channel_mode; /*< MP3 channel mode */
41};
42
43#define SPA_AUDIO_INFO_MP3_INIT(...) ((struct spa_audio_info_mp3) { __VA_ARGS__ })
44
47
48
49#ifdef __cplusplus
50} /* extern "C" */
51#endif
52
53#endif /* SPA_AUDIO_MP3_H */
raw.h
spa/param/audio/raw.h
spa_audio_mp3_channel_mode
spa_audio_mp3_channel_mode
Definition mp3.h:24
SPA_AUDIO_MP3_CHANNEL_MODE_JOINTSTEREO
@ SPA_AUDIO_MP3_CHANNEL_MODE_JOINTSTEREO
Joint stereo mode, exploiting the similarities between channels using techniques like mid-side coding...
Definition mp3.h:34
SPA_AUDIO_MP3_CHANNEL_MODE_MONO
@ SPA_AUDIO_MP3_CHANNEL_MODE_MONO
Mono mode, only used if channel count is 1.
Definition mp3.h:27
SPA_AUDIO_MP3_CHANNEL_MODE_UNKNOWN
@ SPA_AUDIO_MP3_CHANNEL_MODE_UNKNOWN
Definition mp3.h:25
SPA_AUDIO_MP3_CHANNEL_MODE_DUAL
@ SPA_AUDIO_MP3_CHANNEL_MODE_DUAL
Two mono tracks, different from stereo in that each channel contains entirely different content (like...
Definition mp3.h:39
SPA_AUDIO_MP3_CHANNEL_MODE_STEREO
@ SPA_AUDIO_MP3_CHANNEL_MODE_STEREO
Regular stereo mode with two independent channels.
Definition mp3.h:29
spa_audio_info_mp3
Definition mp3.h:42
spa_audio_info_mp3::rate
uint32_t rate
Definition mp3.h:43
spa_audio_info_mp3::channels
uint32_t channels
Definition mp3.h:44
spa_audio_info_mp3::channel_mode
enum spa_audio_mp3_channel_mode channel_mode
Definition mp3.h:45