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