#ifndef SYSTEM_H_
#define SYSTEM_H_

//initializes audio and video output with the given parameters
int system_init(int width, int height, int desired_sample_rate);
//Should be called once per frame to get a pointer to the output buffer at the start of rendering
uint16_t *system_get_framebuffer(int *pitch);
//Should be called once per frame at the competion of rendering
//The pointer returned by system_get_framebuffer should be discarded after calling this function
void system_framebuffer_updated();
//Pumps the event queue and processes events
void system_poll_events();
//Presents an audio buffer to the system for playback
//Will block until the system is ready for more samples
//The buffer passed to this function should not be used again 
//by the caller until the next call to system_present_audio
void system_present_audio(int16_t *buffer);
//Returns the audio sample rate, which may be different than what was requested
int system_sample_rate();
//Returns the number of samples that should be provided in a call to system_present_audio
int system_buffer_size();

#endif //SYSTEM_H_