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- #ifndef WAVE_H
- #define WAVE_H
-
- #include "stdint.h"
-
- extern int option_device_number;
-
- extern void wave_init();
- // TBD: the arg could be "alsa", "oss",...
- extern void* wave_open(char* the_api);
-
- extern size_t wave_write(void* theHandler, char* theMono16BitsWaveBuffer, size_t theSize);
- extern int wave_close(void* theHandler);
- extern void wave_flush(void* theHandler);
- extern int wave_is_busy(void* theHandler);
- extern void wave_terminate();
- extern uint32_t wave_get_read_position(void* theHandler);
- extern uint32_t wave_get_write_position(void* theHandler);
-
- // Supply the remaining time in ms before the sample is played
- // (or 0 if the event has been already played).
- // sample: sample identifier
- // time: supplied value in ms
- //
- // return 0 if ok or -1 otherwise (stream not opened).
- extern int wave_get_remaining_time(uint32_t sample, uint32_t* time);
-
- // set the callback which informs if the output is still enabled.
- // Helpful if a new sample is waiting for free space whereas sound must be stopped.
- typedef int (t_wave_callback)(void);
- extern void wave_set_callback_is_output_enabled(t_wave_callback* cb);
-
-
- // general functions
- extern void clock_gettime2(struct timespec *ts);
- extern void add_time_in_ms(struct timespec *ts, int time_in_ms);
-
- // for tests
- extern void *wave_test_get_write_buffer();
-
- #endif
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