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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
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#include <string.h>
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#include <stdlib.h>
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#include <gst/gst.h>
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/*
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* find the type of a media file and display it's properties
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**/
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gboolean FOUND = FALSE;
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void
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gst_caps_print (GstCaps *caps)
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{
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while (caps) {
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g_print ("%s (%s)\n", caps->name, gst_caps_get_mime (caps));
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if (caps->properties) {
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g_print ("has properties\n");
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}
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caps = caps->next;
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}
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}
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void
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have_type_handler (GstElement *typefind, gpointer data)
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{
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GstCaps *caps = (GstCaps *) data;
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gst_caps_print (caps);
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FOUND = TRUE;
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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 *pipeline;
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GstElement *source, *typefind;
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gst_init (&argc, &argv);
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if (argc < 2) { g_error ("Please give a filename to typefind"); }
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pipeline = gst_pipeline_new (NULL);
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source = gst_element_factory_make ("filesrc", "source");
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g_assert (GST_IS_ELEMENT (source));
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g_object_set (source, "location", argv[1], NULL);
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typefind = gst_element_factory_make ("typefind", "typefind");
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g_assert (GST_IS_ELEMENT (typefind));
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gst_bin_add_many (GST_BIN (pipeline), source, typefind, NULL);
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gst_element_link (source, typefind);
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g_signal_connect (G_OBJECT (typefind), "have-type",
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G_CALLBACK (have_type_handler), NULL);
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/* set to play */
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gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
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while (gst_bin_iterate (GST_BIN (pipeline)) && !FOUND) ;
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if (!FOUND) {
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g_print ("No type found\n");
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return 1;
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}
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return 0;
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}
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