mirror of
https://github.com/Mathewnd/Astral.git
synced 2026-10-27 12:48:22 +00:00
Matheus
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
#ifndef _AUDIO_H
|
|
#define _AUDIO_H
|
|
|
|
#include <ringbuffer.h>
|
|
#include <mutex.h>
|
|
#include <stdbool.h>
|
|
#include <kernel/poll.h>
|
|
|
|
typedef struct audio_stream audio_stream_t;
|
|
|
|
typedef struct {
|
|
int (*acquire_stream)(void *private, bool nonblocking, audio_stream_t **stream);
|
|
void (*release_stream)(void *private, audio_stream_t *stream);
|
|
} audio_device_ops_t;
|
|
|
|
#define AUDIO_STREAM_INFO_FRAGMENT_SIZE 1
|
|
#define AUDIO_STREAM_INFO_SPEED 2
|
|
#define AUDIO_STREAM_INFO_CHANNELS 3
|
|
#define AUDIO_STREAM_INFO_FORMAT 4
|
|
#define AUDIO_STREAM_INFO_FIFO_FRAMES 5
|
|
#define AUDIO_STREAM_INFO_PLAYED_FRAMES 6
|
|
#define AUDIO_STREAM_INFO_SUPPORTED_FORMATS 7
|
|
|
|
#define AUDIO_FORMAT_QUERY 0x00000000
|
|
#define AUDIO_FORMAT_MU_LAW 0x00000001
|
|
#define AUDIO_FORMAT_A_LAW 0x00000002
|
|
#define AUDIO_FORMAT_IMA_ADPCM 0x00000004
|
|
#define AUDIO_FORMAT_U8 0x00000008
|
|
#define AUDIO_FORMAT_S16_LE 0x00000010
|
|
#define AUDIO_FORMAT_S16_BE 0x00000020
|
|
#define AUDIO_FORMAT_S8 0x00000040
|
|
#define AUDIO_FORMAT_U16_LE 0x00000080
|
|
#define AUDIO_FORMAT_U16_BE 0x00000100
|
|
#define AUDIO_FORMAT_MPEG 0x00000200
|
|
#define AUDIO_FORMAT_AC3 0x00000400
|
|
#define AUDIO_FORMAT_VORBIS 0x00000800
|
|
#define AUDIO_FORMAT_S32_LE 0x00001000
|
|
#define AUDIO_FORMAT_S32_BE 0x00002000
|
|
#define AUDIO_FORMAT_FLOAT 0x00004000
|
|
#define AUDIO_FORMAT_S24_LE 0x00008000
|
|
#define AUDIO_FORMAT_S24_BE 0x00010000
|
|
#define AUDIO_FORMAT_SPDIF_RAW 0x00020000
|
|
#define AUDIO_FORMAT_S24_PACKED 0x00040000
|
|
|
|
#define AUDIO_TRIGGER_INPUT 1
|
|
#define AUDIO_TRIGGER_OUTPUT 2
|
|
|
|
typedef struct {
|
|
void (*start)(audio_stream_t *);
|
|
void (*stop)(audio_stream_t *);
|
|
void (*wait_for_playback)(audio_stream_t *);
|
|
void (*reset)(audio_stream_t *);
|
|
int (*set_format)(audio_stream_t *, int format, int *selected);
|
|
int (*set_speed)(audio_stream_t *, int speed, int *selected);
|
|
int (*set_channels)(audio_stream_t *, int channels, int *selected);
|
|
void (*get_info)(audio_stream_t *, int what, void *buf);
|
|
} audio_stream_ops_t;
|
|
|
|
typedef struct audio_stream {
|
|
mutex_t mutex;
|
|
ringbuffer_t ringbuffer;
|
|
pollheader_t pollheader;
|
|
audio_stream_ops_t *ops;
|
|
bool playing;
|
|
int trigger;
|
|
size_t underruns;
|
|
size_t bytes_submitted;
|
|
size_t bytes_written;
|
|
size_t bytes_played;
|
|
} audio_stream_t;
|
|
|
|
bool audio_take_stream_data(audio_stream_t *stream, void *buffer, size_t size);
|
|
int audio_initialize_stream(audio_stream_t *stream, audio_stream_ops_t *stream_ops);
|
|
int audio_register_device(audio_device_ops_t *device_ops, void *private);
|
|
|
|
#endif
|