#include <curl/curl.h>

#include <mpg123.h>

#include <ao/ao.h>

#define BITS 8

mpg123_handle *mh = NULL;

ao_device *dev = NULL;

size_t play_stream(void *buffer, size_t size, size_t nmemb, void *userp)

{

int err;

off_t frame_offset;

unsigned char *audio;

size_t done;

ao_sample_format format;

int channels, encoding;

long rate;

mpg123_feed(mh, (const unsigned char*) buffer, size * nmemb);

do {

err = mpg123_decode_frame(mh, &frame_offset, &audio, &done);

switch(err) {

case MPG123_NEW_FORMAT:

mpg123_getformat(mh, &rate, &channels, &encoding);

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(ao_default_driver_id(), &format, NULL);

break;

case MPG123_OK:

ao_play(dev, audio, done);

break;

case MPG123_NEED_MORE:

break;

default:

break;

}

} while(done > 0);

return size * nmemb;

}

int main(int argc, char *argv[]){

if(argc < 2)

return 0;

ao_initialize();

mpg123_init();

mh = mpg123_new(NULL, NULL);

mpg123_open_feed(mh);

CURL *curl = curl_easy_init();

curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, play_stream);

curl_easy_setopt(curl, CURLOPT_URL, argv[1]);

curl_easy_perform(curl);

curl_easy_cleanup(curl);

mpg123_close(mh);

mpg123_delete(mh);

mpg123_exit();

ao_close(dev);

ao_shutdown();

return 0;

}