#include /* 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 \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); }