gstreamer/tests/old/testsuite/caps/app_fixate.c

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#include <gst/gst.h>
static GstCaps *
handler (GObject * object, GstCaps * caps, gpointer user_data)
{
g_print ("in handler %p, %p, %p\n", object, caps, user_data);
g_assert (GST_IS_PAD (object));
g_print ("caps: %s\n", gst_caps_to_string (caps));
if (gst_caps_is_any (caps)) {
return gst_caps_new_simple ("application/x-foo",
"field", GST_TYPE_INT_RANGE, 1, 10, NULL);
}
return NULL;
}
int
main (int argc, char *argv[])
{
GstElement *a;
GstElement *b;
GstElement *pipeline;
GstPad *pad;
gst_init (&argc, &argv);
pipeline = gst_pipeline_new (NULL);
a = gst_element_factory_make ("fakesrc", NULL);
g_assert (a);
b = gst_element_factory_make ("fakesink", NULL);
g_assert (b);
gst_bin_add_many (GST_BIN (pipeline), a, b, NULL);
gst_element_link (a, b);
pad = gst_element_get_pad (a, "src");
g_signal_connect (G_OBJECT (pad), "fixate", G_CALLBACK (handler),
(void *) 0xdeadbeef);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
return 0;
}