flycast/core/oslib/audiostream.h

54 lines
1.3 KiB
C++

#pragma once
#include "types.h"
#include "cfg/option.h"
typedef std::vector<std::string> (*audio_option_callback_t)();
enum audio_option_type
{
integer = 0
, checkbox = 1
, list = 2
};
typedef struct {
std::string cfg_name;
std::string caption;
audio_option_type type;
// type int_value (spin edit)
int min_value;
int max_value;
// type list edit (string/char*)
audio_option_callback_t list_callback;
} audio_option_t;
typedef audio_option_t* (*audio_options_func_t)(int* option_count);
typedef void (*audio_backend_init_func_t)();
typedef u32 (*audio_backend_push_func_t)(const void*, u32, bool);
typedef void (*audio_backend_term_func_t)();
typedef struct {
std::string slug;
std::string name;
audio_backend_init_func_t init;
audio_backend_push_func_t push;
audio_backend_term_func_t term;
audio_options_func_t get_options;
bool (*init_record)(u32 sampling_freq);
u32 (*record)(void *, u32);
audio_backend_term_func_t term_record;
} audiobackend_t;
bool RegisterAudioBackend(audiobackend_t* backend);
void InitAudio();
void TermAudio();
void WriteSample(s16 right, s16 left);
void StartAudioRecording(bool eight_khz);
u32 RecordAudio(void *buffer, u32 samples);
void StopAudioRecording();
u32 GetAudioBackendCount();
audiobackend_t* GetAudioBackend(int num);
audiobackend_t* GetAudioBackend(const std::string& slug);