gstreamer/tests/threadstate/threadstate2.c

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#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_connect_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);
sleep(2);
g_print("pausing %d\n", x);
gst_element_set_state(GST_ELEMENT(thread), GST_STATE_PAUSED);
sleep(2);
}
exit(0);
}