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#include <stdlib.h>
#include <gst/gst.h>
gboolean playing;
/* eos will be called when the src element has an end of stream */
void eos(GstElement *element, gpointer data)
{
g_print("have eos, quitting\n");
playing = FALSE;
}
int main(int argc,char *argv[])
{
GstElement *disksrc, *osssink, *queue, *queue2, *parse, *decode;
GstElement *bin;
GstElement *thread, *thread2;
gst_init(&argc,&argv);
if (argc != 2) {
g_print("usage: %s <filename>\n", argv[0]);
exit(-1);
}
/* create a new thread to hold the elements */
thread = gst_thread_new("thread");
g_assert(thread != NULL);
thread2 = gst_thread_new("thread2");
g_assert(thread2 != NULL);
/* create a new bin to hold the elements */
bin = gst_bin_new("bin");
g_assert(bin != NULL);
/* create a disk reader */
disksrc = gst_elementfactory_make("disksrc", "disk_source");
g_assert(disksrc != NULL);
g_object_set(G_OBJECT(disksrc),"location", argv[1],NULL);
g_signal_connectc(G_OBJECT(disksrc),"eos",
G_CALLBACK(eos), thread, FALSE);
queue = gst_elementfactory_make("queue", "queue");
queue2 = gst_elementfactory_make("queue", "queue2");
/* and an audio sink */
osssink = gst_elementfactory_make("osssink", "play_audio");
g_assert(osssink != NULL);
parse = gst_elementfactory_make("mp3parse", "parse");
decode = gst_elementfactory_make("mpg123", "decode");
/* add objects to the main bin */
gst_bin_add(GST_BIN(bin), disksrc);
gst_bin_add(GST_BIN(bin), queue);
gst_bin_add(GST_BIN(thread), parse);
gst_bin_add(GST_BIN(thread), decode);
gst_bin_add(GST_BIN(thread), queue2);
gst_bin_add(GST_BIN(thread2), osssink);
gst_pad_connect(gst_element_get_pad(disksrc,"src"),
gst_element_get_pad(queue,"sink"));
gst_pad_connect(gst_element_get_pad(queue,"src"),
gst_element_get_pad(parse,"sink"));
gst_pad_connect(gst_element_get_pad(parse,"src"),
gst_element_get_pad(decode,"sink"));
gst_pad_connect(gst_element_get_pad(decode,"src"),
gst_element_get_pad(queue2,"sink"));
gst_pad_connect(gst_element_get_pad(queue2,"src"),
gst_element_get_pad(osssink,"sink"));
gst_bin_add(GST_BIN(bin), thread);
gst_bin_add(GST_BIN(bin), thread2);
/* make it ready */
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_READY);
/* start playing */
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
playing = TRUE;
while (playing) {
gst_bin_iterate(GST_BIN(bin));
}
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_NULL);
exit(0);
}
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