/*

 *  This extra small demo sends a random samples to your speakers.

 */

#include "../include/asoundlib.h"

static char *device = "default";			/* playback device */

snd_output_t *output = NULL;

unsigned char buffer[16*1024];				/* some random data */

int main(void)

{

        int err;

        unsigned int i;

        snd_pcm_t *handle;

        snd_pcm_sframes_t frames;

        for (i = 0; i < sizeof(buffer); i++)

                buffer[i] = random() & 0xff;

	if ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) {

		printf("Playback open error: %s\n", snd_strerror(err));

		exit(EXIT_FAILURE);

	}

	if ((err = snd_pcm_set_params(handle,

	                              SND_PCM_FORMAT_U8,

	                              SND_PCM_ACCESS_RW_INTERLEAVED,

	                              1,

	                              48000,

	                              1,

	                              500000)) < 0) {	/* 0.5sec */

		printf("Playback open error: %s\n", snd_strerror(err));

		exit(EXIT_FAILURE);

	}

        for (i = 0; i < 16; i++) {

                frames = snd_pcm_writei(handle, buffer, sizeof(buffer));

                if (frames < 0)

                        frames = snd_pcm_recover(handle, frames, 0);

                if (frames < 0) {

                        printf("snd_pcm_writei failed: %s\n", snd_strerror(frames));

                        break;

                }

                if (frames > 0 && frames < (long)sizeof(buffer))

                        printf("Short write (expected %li, wrote %li)\n", (long)sizeof(buffer), frames);

        }

	snd_pcm_close(handle);

	return 0;

}