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#include <stdlib.h>
#include <gst/gst.h>
/* this pipeline is:
* { filesrc ! mad ! osssink }
*/
/* eos will be called when the src element has an end of stream */
void
eos (GstElement * element, gpointer data)
{
GstThread *thread = GST_THREAD (data);
g_print ("have eos, quitting\n");
/* stop the bin */
gst_element_set_state (GST_ELEMENT (thread), GST_STATE_NULL);
gst_main_quit ();
}
int
main (int argc, char *argv[])
{
GstElement *filesrc, *osssink;
GstElement *thread;
GstElement *mad;
gint x;
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);
/* create a disk reader */
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc != NULL);
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
g_signal_connect (G_OBJECT (filesrc), "eos", G_CALLBACK (eos), thread);
/* and an audio sink */
osssink = gst_element_factory_make ("osssink", "play_audio");
g_assert (osssink != NULL);
/* did i mention that this is an mp3 player? */
mad = gst_element_factory_make ("mad", "mp3_decoder");
g_assert (mad != NULL);
gst_bin_add_many (GST_BIN (thread), filesrc, mad, osssink, NULL);
gst_element_link_many (filesrc, mad, osssink, NULL);
for (x = 0; x < 10; x++) {
g_print ("playing %d\n", x);
gst_element_set_state (GST_ELEMENT (thread), GST_STATE_PLAYING);
g_usleep (G_USEC_PER_SEC * 2);
g_print ("pausing %d\n", x);
gst_element_set_state (GST_ELEMENT (thread), GST_STATE_PAUSED);
g_usleep (G_USEC_PER_SEC * 2);
}
exit (0);
}
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