#include <glib.h> #include <gst/gst.h> int main(int argc,char *argv[]) { GstBin *bin, GstElement *src, *identity, *sink; gst_init(&argc,&argv); bin = gst_bin_new("bin"); src = gst_disksrc_new("fakesrc"); gst_disksrc_set_filename(src,"demo.mp3"); list_pads(src); binf = gst_bin_new("binf"); filter1 = gst_fakefilter_new("filter1"); list_pads(filter1); filter2 = gst_fakefilter_new("filter2"); list_pads(filter2); sink = gst_fakesink_new("fakesink"); list_pads(sink); gtk_signal_connect(GTK_OBJECT(bin),"object_added", GTK_SIGNAL_FUNC(added_child),NULL); gtk_signal_connect(GTK_OBJECT(binf),"object_added", GTK_SIGNAL_FUNC(added_child),NULL); gtk_signal_connect(GTK_OBJECT(binf),"parent_set", GTK_SIGNAL_FUNC(added_parent),NULL); gtk_signal_connect(GTK_OBJECT(src),"parent_set", GTK_SIGNAL_FUNC(added_parent),NULL); gtk_signal_connect(GTK_OBJECT(filter1),"parent_set", GTK_SIGNAL_FUNC(added_parent),NULL); gtk_signal_connect(GTK_OBJECT(filter2),"parent_set", GTK_SIGNAL_FUNC(added_parent),NULL); gtk_signal_connect(GTK_OBJECT(sink),"parent_set", GTK_SIGNAL_FUNC(added_parent),NULL); /* add filter1 to the subbin */ gst_bin_add(GST_BIN(binf),GST_ELEMENT(filter1)); gst_bin_add(GST_BIN(binf),GST_ELEMENT(filter2)); /* connect the two together */ gst_pad_connect(gst_element_get_pad(filter1,"src"), gst_element_get_pad(filter2,"sink")); /* export the pads */ gst_element_add_ghost_pad(binf,gst_element_get_pad(filter1,"sink")); gst_element_add_ghost_pad(binf,gst_element_get_pad(filter2,"src")); list_pads(binf); /* add objects to the main pipeline */ gst_bin_add(GST_BIN(bin),GST_OBJECT(src)); gst_bin_add(GST_BIN(bin),GST_OBJECT(binf)); gst_bin_add(GST_BIN(bin),GST_OBJECT(sink)); /* connect src to binf */ gst_pad_connect(gst_element_get_pad(src,"src"), gst_element_get_pad(binf,"sink")); /* connect binf to sink */ gst_pad_connect(gst_element_get_pad(binf,"src"), gst_element_get_pad(sink,"sink")); gst_disksrc_push(GST_SRC(src)); gst_object_destroy(GST_OBJECT(src)); gst_object_destroy(GST_OBJECT(filter1)); gst_object_destroy(GST_OBJECT(filter2)); gst_object_destroy(GST_OBJECT(binf)); gst_object_destroy(GST_OBJECT(sink)); gst_object_destroy(GST_OBJECT(bin)); }