#include <stdio.h>
#include <math.h>
#include <mossrose.h>
#include <portaudio.h>

#define PI 3.14159


#define SAMPLE_RATE 44100
#define N_CHANNELS 8

int main()
{
	float sine_wave[8*SAMPLE_RATE];
	const int frequency = 440;
	for (long i=0; i<8*SAMPLE_RATE; i++) {
		float time = ((float)i)/SAMPLE_RATE;
		sine_wave[i] = sin(2*PI*frequency*time);
	}

	struct mossrose_sound_t sound = {
		.left = sine_wave, .right = NULL, .mono = true, .len = 8*SAMPLE_RATE
	};

	int err = mossrose_init(SAMPLE_RATE, N_CHANNELS, true);
	if (err != 0)
		fprintf(stderr, "FAILED TO INITIALIZE MOSSROSE\n");

	Pa_Sleep(500);

	int chan = mossrose_play(&sound, -1);

	for (int i=0; i<8000; i++) {
		float time = ((float)i)/1000;
		mossrose_channel_set_pan(chan, cos(2*PI*time), 0);
		Pa_Sleep(1);
	}

	mossrose_terminate();
	return 0;
}