static void
gst_type_find_element_class_init (GstTypeFindElementClass * typefind_class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (typefind_class);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (typefind_class);
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_type_find_element_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_type_find_element_get_property);
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_type_find_element_dispose);
typefind_class->have_type = gst_type_find_element_have_type;
g_object_class_install_property (gobject_class, PROP_CAPS,
g_param_spec_boxed ("caps", _("caps"),
_("detected capabilities in stream"), gst_caps_get_type (),
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MINIMUM,
g_param_spec_uint ("minimum", _("minimum"),
"minimum probability required to accept caps", GST_TYPE_FIND_MINIMUM,
GST_TYPE_FIND_MAXIMUM, GST_TYPE_FIND_MINIMUM,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MAXIMUM,
g_param_spec_uint ("maximum", _("maximum"),
"probability to stop typefinding (deprecated; non-functional)",
GST_TYPE_FIND_MINIMUM, GST_TYPE_FIND_MAXIMUM, GST_TYPE_FIND_MAXIMUM,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_FORCE_CAPS,
g_param_spec_boxed ("force-caps", _("force caps"),
_("force caps without doing a typefind"), gst_caps_get_type (),
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstTypeFindElement::have-type:
* @typefind: the typefind instance
* @probability: the probability of the type found
* @caps: the caps of the type found
*
* This signal gets emitted when the type and its probability has
* been found.
*/
gst_type_find_element_signals[HAVE_TYPE] = g_signal_new ("have_type",
G_TYPE_FROM_CLASS (typefind_class), G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GstTypeFindElementClass, have_type), NULL, NULL,
gst_marshal_VOID__UINT_BOXED, G_TYPE_NONE, 2,
G_TYPE_UINT, GST_TYPE_CAPS | G_SIGNAL_TYPE_STATIC_SCOPE);
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_type_find_element_change_state);
}
/*
* this bit handles:
* - initalization of threads if we use them
* - log handler
* - initial output
* - initializes gst_format
* - registers a bunch of types for gst_objects
*
* - we don't have cases yet where this fails, but in the future
* we might and then it's nice to be able to return that
*/
static gboolean
init_post (GOptionContext * context, GOptionGroup * group, gpointer data,
GError ** error)
{
GLogLevelFlags llf;
#ifndef GST_DISABLE_TRACE
GstTrace *gst_trace;
#endif /* GST_DISABLE_TRACE */
if (gst_initialized) {
GST_DEBUG ("already initialized");
return TRUE;
}
llf = G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL;
g_log_set_handler (g_log_domain_gstreamer, llf, debug_log_handler, NULL);
_priv_gst_quarks_initialize ();
_gst_format_initialize ();
_gst_query_initialize ();
g_type_class_ref (gst_object_get_type ());
g_type_class_ref (gst_pad_get_type ());
g_type_class_ref (gst_element_factory_get_type ());
g_type_class_ref (gst_element_get_type ());
g_type_class_ref (gst_type_find_factory_get_type ());
g_type_class_ref (gst_bin_get_type ());
g_type_class_ref (gst_bus_get_type ());
g_type_class_ref (gst_task_get_type ());
g_type_class_ref (gst_clock_get_type ());
g_type_class_ref (gst_index_factory_get_type ());
gst_uri_handler_get_type ();
g_type_class_ref (gst_object_flags_get_type ());
g_type_class_ref (gst_bin_flags_get_type ());
g_type_class_ref (gst_buffer_flag_get_type ());
g_type_class_ref (gst_buffer_copy_flags_get_type ());
g_type_class_ref (gst_buffer_list_item_get_type ());
g_type_class_ref (gst_bus_flags_get_type ());
g_type_class_ref (gst_bus_sync_reply_get_type ());
g_type_class_ref (gst_caps_flags_get_type ());
g_type_class_ref (gst_clock_return_get_type ());
g_type_class_ref (gst_clock_entry_type_get_type ());
g_type_class_ref (gst_clock_flags_get_type ());
g_type_class_ref (gst_clock_type_get_type ());
g_type_class_ref (gst_debug_graph_details_get_type ());
g_type_class_ref (gst_state_get_type ());
g_type_class_ref (gst_state_change_return_get_type ());
g_type_class_ref (gst_state_change_get_type ());
g_type_class_ref (gst_element_flags_get_type ());
g_type_class_ref (gst_core_error_get_type ());
g_type_class_ref (gst_library_error_get_type ());
g_type_class_ref (gst_resource_error_get_type ());
g_type_class_ref (gst_stream_error_get_type ());
g_type_class_ref (gst_event_type_flags_get_type ());
g_type_class_ref (gst_event_type_get_type ());
g_type_class_ref (gst_seek_type_get_type ());
g_type_class_ref (gst_seek_flags_get_type ());
g_type_class_ref (gst_qos_type_get_type ());
g_type_class_ref (gst_format_get_type ());
g_type_class_ref (gst_index_certainty_get_type ());
g_type_class_ref (gst_index_entry_type_get_type ());
g_type_class_ref (gst_index_lookup_method_get_type ());
g_type_class_ref (gst_assoc_flags_get_type ());
g_type_class_ref (gst_index_resolver_method_get_type ());
g_type_class_ref (gst_index_flags_get_type ());
g_type_class_ref (gst_debug_level_get_type ());
g_type_class_ref (gst_debug_color_flags_get_type ());
g_type_class_ref (gst_iterator_result_get_type ());
g_type_class_ref (gst_iterator_item_get_type ());
g_type_class_ref (gst_message_type_get_type ());
g_type_class_ref (gst_mini_object_flags_get_type ());
g_type_class_ref (gst_pad_link_return_get_type ());
g_type_class_ref (gst_pad_link_check_get_type ());
g_type_class_ref (gst_flow_return_get_type ());
g_type_class_ref (gst_activate_mode_get_type ());
g_type_class_ref (gst_pad_direction_get_type ());
g_type_class_ref (gst_pad_flags_get_type ());
g_type_class_ref (gst_pad_presence_get_type ());
g_type_class_ref (gst_pad_template_flags_get_type ());
g_type_class_ref (gst_pipeline_flags_get_type ());
g_type_class_ref (gst_plugin_error_get_type ());
g_type_class_ref (gst_plugin_flags_get_type ());
g_type_class_ref (gst_plugin_dependency_flags_get_type ());
g_type_class_ref (gst_rank_get_type ());
g_type_class_ref (gst_query_type_get_type ());
g_type_class_ref (gst_buffering_mode_get_type ());
g_type_class_ref (gst_stream_status_type_get_type ());
g_type_class_ref (gst_structure_change_type_get_type ());
g_type_class_ref (gst_tag_merge_mode_get_type ());
g_type_class_ref (gst_tag_flag_get_type ());
g_type_class_ref (gst_task_pool_get_type ());
g_type_class_ref (gst_task_state_get_type ());
g_type_class_ref (gst_alloc_trace_flags_get_type ());
g_type_class_ref (gst_type_find_probability_get_type ());
g_type_class_ref (gst_uri_type_get_type ());
g_type_class_ref (gst_parse_error_get_type ());
g_type_class_ref (gst_parse_flags_get_type ());
g_type_class_ref (gst_search_mode_get_type ());
g_type_class_ref (gst_progress_type_get_type ());
g_type_class_ref (gst_caps_intersect_mode_get_type ());
gst_structure_get_type ();
_gst_value_initialize ();
g_type_class_ref (gst_param_spec_fraction_get_type ());
gst_caps_get_type ();
_gst_event_initialize ();
_gst_buffer_initialize ();
_gst_buffer_list_initialize ();
gst_buffer_list_iterator_get_type ();
_gst_message_initialize ();
_gst_tag_initialize ();
gst_parse_context_get_type ();
_gst_plugin_initialize ();
gst_g_error_get_type ();
/* register core plugins */
gst_plugin_register_static (GST_VERSION_MAJOR, GST_VERSION_MINOR,
"staticelements", "core elements linked into the GStreamer library",
gst_register_core_elements, VERSION, GST_LICENSE, PACKAGE,
GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
/*
* Any errors happening below this point are non-fatal, we therefore mark
* gstreamer as being initialized, since it is the case from a plugin point of
* view.
*
* If anything fails, it will be put back to FALSE in gst_init_check().
* This allows some special plugins that would call gst_init() to not cause a
* looping effect (i.e. initializing GStreamer twice).
*/
gst_initialized = TRUE;
if (!gst_update_registry ())
return FALSE;
#ifndef GST_DISABLE_TRACE
_gst_trace_on = 0;
if (_gst_trace_on) {
gst_trace = gst_trace_new ("gst.trace", 1024);
gst_trace_set_default (gst_trace);
}
#endif /* GST_DISABLE_TRACE */
GST_INFO ("GLib runtime version: %d.%d.%d", glib_major_version,
glib_minor_version, glib_micro_version);
GST_INFO ("GLib headers version: %d.%d.%d", GLIB_MAJOR_VERSION,
GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
return TRUE;
}
