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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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84 lines
2 KiB
C
84 lines
2 KiB
C
#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <locale.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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gchar *filename = NULL;
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gboolean FOUND = FALSE;
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GMainLoop *loop;
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void
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gst_caps_print (const char *filename, const GstCaps * caps)
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{
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gchar *caps_str = gst_caps_to_string (caps);
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g_print ("%s - %s\n", filename, caps_str);
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g_free (caps_str);
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}
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void
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have_type_handler (GstElement * typefind, guint probability,
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const GstCaps * caps, gpointer loop)
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{
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gst_caps_print (filename, caps);
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g_main_loop_quit (loop);
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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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guint i = 1;
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GstElement *pipeline;
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GstElement *source, *typefind;
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setlocale (LC_ALL, "");
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gst_init (&argc, &argv);
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if (argc < 2) {
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g_print ("Please give a filename to typefind\n\n");
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return 1;
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}
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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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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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loop = g_main_loop_new (NULL, FALSE);
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g_signal_connect_swapped (pipeline, "eos", G_CALLBACK (g_main_loop_quit),
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loop);
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g_signal_connect_swapped (pipeline, "error", G_CALLBACK (g_main_loop_quit),
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loop);
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while (i < argc) {
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FOUND = FALSE;
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gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
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filename = argv[i];
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g_object_set (source, "location", filename, 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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g_main_loop_run (loop);
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if (!FOUND) {
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g_print ("%s - No type found\n", argv[i]);
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}
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i++;
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}
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g_main_loop_unref (loop);
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g_object_unref (pipeline);
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return 0;
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}
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