/Libraries/wave.h
C++ Header | 43 lines | 22 code | 10 blank | 11 comment | 0 complexity | 49fb3f95fc01bf13fa47f55dd5d5d86a MD5 | raw file
1#ifndef WAVE_H 2#define WAVE_H 3 4#ifndef PLATFORM_DOS 5#include "stdint.h" 6#endif 7 8extern int option_device_number; 9 10extern void wave_init(int samplerate); 11// TBD: the arg could be "alsa", "oss",... 12extern void* wave_open(const char* the_api); 13 14extern size_t wave_write(void* theHandler, char* theMono16BitsWaveBuffer, size_t theSize); 15extern int wave_close(void* theHandler); 16extern void wave_flush(void* theHandler); 17extern int wave_is_busy(void* theHandler); 18extern void wave_terminate(); 19extern uint32_t wave_get_read_position(void* theHandler); 20extern uint32_t wave_get_write_position(void* theHandler); 21 22// Supply the remaining time in ms before the sample is played 23// (or 0 if the event has been already played). 24// sample: sample identifier 25// time: supplied value in ms 26// 27// return 0 if ok or -1 otherwise (stream not opened). 28extern int wave_get_remaining_time(uint32_t sample, uint32_t* time); 29 30// set the callback which informs if the output is still enabled. 31// Helpful if a new sample is waiting for free space whereas sound must be stopped. 32typedef int (t_wave_callback)(void); 33extern void wave_set_callback_is_output_enabled(t_wave_callback* cb); 34 35 36// general functions 37extern void clock_gettime2(struct timespec *ts); 38extern void add_time_in_ms(struct timespec *ts, int time_in_ms); 39 40// for tests 41extern void *wave_test_get_write_buffer(); 42 43#endif