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update to do the new error handling and notification

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Original commit message from CVS:
update to do the new error handling and notification
This commit is contained in:
Benjamin Otte 2002-02-06 18:58:53 +00:00
parent d8a26dcd5a
commit fd09a5765a
1 changed files with 28 additions and 71 deletions
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99
gst/autoplug/spidertest.c
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@ -31,80 +31,36 @@ gst_factories_at_most_templates(GList *factories, GstPadDirection dir, guint max
return ret;
}
/* 1:1 copy of gstpropsprivate.h, needed for INFO events */
#define GST_PROPS_ENTRY_IS_VARIABLE(a) (((GstPropsEntry*)(a))->propstype > GST_PROPS_VAR_ID)
typedef struct _GstPropsEntry GstPropsEntry;
struct _GstPropsEntry {
GQuark propid;
GstPropsId propstype;
union {
/* flat values */
gboolean bool_data;
guint32 fourcc_data;
gint int_data;
gfloat float_data;
/* structured values */
struct {
GList *entries;
} list_data;
struct {
gchar *string;
} string_data;
struct {
gint min;
gint max;
} int_range_data;
struct {
gfloat min;
gfloat max;
} float_range_data;
} data;
};
/* end gstpropsprivate.h */
/* property output, stolen from gst-launch */
static void
print_props (gpointer data, gpointer user_data)
static void
property_change_callback (GObject *object, GstObject *orig, GParamSpec *pspec)
{
GstPropsEntry *entry = (GstPropsEntry *)data;
GstElement *element = GST_ELEMENT (user_data);
g_print ("%s: %s: ", gst_element_get_name (element),
g_quark_to_string (entry->propid));
switch (entry->propstype) {
case GST_PROPS_INT_ID:
g_print ("%d\n", entry->data.int_data);
break;
case GST_PROPS_STRING_ID:
g_print ("%s\n", entry->data.string_data.string);
break;
case GST_PROPS_FLOAT_ID:
g_print ("%f\n", entry->data.float_data);
break;
default:
g_print ("unknown\n");
GValue value = { 0, }; /* the important thing is that value.type = 0 */
gchar *str = 0;
if (pspec->flags & G_PARAM_READABLE) {
g_value_init(&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
g_object_get_property (G_OBJECT (orig), pspec->name, &value);
if (G_IS_PARAM_SPEC_STRING (pspec))
str = g_value_dup_string (&value);
else if (G_IS_PARAM_SPEC_ENUM (pspec))
str = g_strdup_printf ("%d", g_value_get_enum (&value));
else if (G_IS_PARAM_SPEC_INT64 (pspec))
str = g_strdup_printf ("%lld", g_value_get_int64 (&value));
else
str = g_strdup_value_contents (&value);
g_print ("%s: %s = %s\n", GST_OBJECT_NAME (orig), pspec->name, str);
g_free (str);
g_value_unset(&value);
} else {
g_warning ("Parameter not readable. What's up with that?");
}
}
static void
event_func (GstElement *element, GstEvent *event)
static void
error_callback (GObject *object, GstObject *orig, gchar *error)
{
GstProps *props;
if (event == NULL)
return;
if (GST_EVENT_TYPE (event) == GST_EVENT_INFO) {
props = GST_EVENT_INFO_PROPS (event);
g_list_foreach (props->properties, print_props, GST_EVENT_SRC (event));
}
g_print ("ERROR: %s: %s\n", GST_OBJECT_NAME (orig), error);
}
/**
@ -128,8 +84,9 @@ int main(int argc,char *argv[])
/* create a new bin to hold the elements */
bin = gst_pipeline_new("pipeline");
g_signal_connect (G_OBJECT (bin), "event", G_CALLBACK (event_func), NULL);
g_signal_connect (bin, "deep_notify", G_CALLBACK (property_change_callback), NULL);
g_signal_connect (bin, "error", G_CALLBACK (error_callback), NULL);
/* create a disk reader */
filesrc = gst_elementfactory_make("filesrc", "disk_source");
g_object_set(G_OBJECT(filesrc),"location", argv[1], NULL);