Files
csoundbox/sound.c
2017-12-15 17:36:21 +01:00

73 lines
1.7 KiB
C

#include <ao/ao.h>
#include <mpg123.h>
#include <pthread.h>
#include <error.h>
#include <string.h>
#include <ncurses.h>
#include "sound.h"
#include "config.h"
#define BITS 8
void playSound(const char *path) {
pthread_t pth; //thread identifier
//Create thread
pthread_create(&pth, NULL, playThreadFunc, (void *) path);
pthread_detach(pth); //detach to call this function multiple times
}
void *playThreadFunc(void *arg) {
const char *path = (const char *) arg;
mpg123_handle *mh;
unsigned char *buffer;
size_t buffer_size;
size_t done;
int err;
int driver;
ao_device *dev;
ao_sample_format format;
int channels, encoding;
long rate;
/* initializations */
driver = ao_default_driver_id();
mpg123_init();
mh = mpg123_new(NULL, &err);
buffer_size = mpg123_outblock(mh);
buffer = (unsigned char*) malloc(buffer_size * sizeof(unsigned char));
/* open the file and get the decoding format */
mpg123_open(mh, path);
mpg123_getformat(mh, &rate, &channels, &encoding);
/* set the output format and open the output device */
format.bits = mpg123_encsize(encoding) * BITS;
format.rate = rate;
format.channels = channels;
format.byte_format = AO_FMT_NATIVE;
format.matrix = 0;
dev = ao_open_live(driver, &format, NULL);
/* decode and play */
while (mpg123_read(mh, buffer, buffer_size, &done) == MPG123_OK)
ao_play(dev, (char *)buffer, done);
/* clean up */
free(buffer);
ao_close(dev);
mpg123_close(mh);
mpg123_delete(mh);
mpg123_exit();
//ao_shutdown(); //don't call inside a thread
pthread_exit(NULL);
}