bool initializeGStreamer()
{
if (gst_is_initialized())
return true;
#if ENABLE(SECCOMP_FILTERS)
// The gst-plugin-scanner helper binary will receive SIGSYS and dump core
// when it attempts to open a file. Disable it so that plugin scanning
// occurs in-process. The disadvantage is that a plugin that crashes while
// loading will now crash the web process.
gst_registry_fork_set_enabled(FALSE);
#endif
GUniqueOutPtr<GError> error;
// FIXME: We should probably pass the arguments from the command line.
bool gstInitialized = gst_init_check(0, 0, &error.outPtr());
ASSERT_WITH_MESSAGE(gstInitialized, "GStreamer initialization failed: %s", error ? error->message : "unknown error occurred");
#if ENABLE(VIDEO_TRACK) && USE(GSTREAMER_MPEGTS)
if (gstInitialized)
gst_mpegts_initialize();
#endif
return gstInitialized;
}
int
main (int argc, gchar ** argv)
{
GstElement *pipeline = NULL;
GError *error = NULL;
GstBus *bus;
GMainLoop *mainloop;
gst_init (&argc, &argv);
gst_mpegts_initialize ();
pipeline = gst_parse_launchv ((const gchar **) &argv[1], &error);
if (error) {
g_printf ("pipeline could not be constructed: %s\n", error->message);
g_error_free (error);
return 1;
}
/* Hack: ensure all enum type classes are loaded */
g_type_class_ref (GST_TYPE_MPEG_TS_SECTION_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_SECTION_TABLE_ID);
g_type_class_ref (GST_TYPE_MPEG_TS_RUNNING_STATUS);
g_type_class_ref (GST_TYPE_MPEG_TS_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_ATSC_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_ISDB_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_MISC_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_ISO639_AUDIO_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_SERVICE_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_STREAM_TYPE);
mainloop = g_main_loop_new (NULL, FALSE);
/* Put a bus handler */
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", (GCallback) _on_bus_message, mainloop);
/* Start pipeline */
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (mainloop);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gst_object_unref (bus);
return 0;
}
