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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-26 02:00:33 +00:00
81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
#include <gst/gst.h>
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static gboolean
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bus_call (GstBus * bus, GstMessage * msg, gpointer data)
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{
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GMainLoop *loop = (GMainLoop *) data;
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switch (GST_MESSAGE_TYPE (msg)) {
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case GST_MESSAGE_EOS:{
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g_print ("End-of-stream\n");
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g_main_loop_quit (loop);
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break;
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}
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case GST_MESSAGE_ERROR:{
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gchar *debug;
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GError *err;
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gst_message_parse_error (msg, &err, &debug);
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g_printerr ("Debugging info: %s\n", (debug) ? debug : "none");
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g_free (debug);
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g_print ("Error: %s\n", err->message);
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g_error_free (err);
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g_main_loop_quit (loop);
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break;
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}
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default:
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break;
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}
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return TRUE;
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}
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gint
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main (gint argc, gchar * argv[])
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{
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GstElement *playbin;
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GMainLoop *loop;
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GstBus *bus;
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gchar *uri;
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gst_init (&argc, &argv);
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if (argc < 2) {
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g_print ("usage: %s <media file or uri>\n", argv[0]);
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return 1;
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}
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playbin = gst_element_factory_make ("playbin", NULL);
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if (!playbin) {
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g_print ("'playbin' gstreamer plugin missing\n");
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return 1;
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}
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/* take the commandline argument and ensure that it is a uri */
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if (gst_uri_is_valid (argv[1]))
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uri = g_strdup (argv[1]);
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else
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uri = gst_filename_to_uri (argv[1], NULL);
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g_object_set (playbin, "uri", uri, NULL);
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g_free (uri);
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/* create and event loop and feed gstreamer bus mesages to it */
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loop = g_main_loop_new (NULL, FALSE);
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bus = gst_element_get_bus (playbin);
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gst_bus_add_watch (bus, bus_call, loop);
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g_object_unref (bus);
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/* start play back and listed to events */
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gst_element_set_state (playbin, GST_STATE_PLAYING);
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g_main_loop_run (loop);
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/* cleanup */
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gst_element_set_state (playbin, GST_STATE_NULL);
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g_object_unref (playbin);
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g_main_loop_unref (loop);
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return 0;
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}
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