gstreamer/test/states.c

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2.4 KiB
C
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#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));
}