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controller: emulate _get_g_value_array()

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Add a default implementation on the baseclass.
This commit is contained in:
Stefan Sauer 2012-04-25 20:10:11 +02:00
parent 772c58e255
commit c4072744b7
1 changed files with 71 additions and 2 deletions
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73
gst/gstcontrolbinding.c
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@ -316,6 +316,20 @@ gst_control_binding_get_value_array (GstControlBinding * self,
return ret;
}
#define CONVERT_ARRAY(type,TYPE) \
{ \
g##type *v = g_new (g##type,n_values); \
ret = gst_control_binding_get_value_array (self, timestamp, interval, \
n_values, v); \
if (ret) { \
for (i = 0; i < n_values; i++) { \
g_value_init (&values[i], G_TYPE_##TYPE); \
g_value_set_##type (&values[i], v[i]); \
} \
} \
g_free (v); \
}
/**
* gst_control_binding_get_g_value_array:
* @self: the control binding
@ -352,8 +366,63 @@ gst_control_binding_get_g_value_array (GstControlBinding * self,
ret =
klass->get_g_value_array (self, timestamp, interval, n_values, values);
} else {
GST_WARNING_OBJECT (self, "missing get_g_value_array implementation");
// FIXME(ensonic): emulate
guint i;
GType type, base;
base = type = G_PARAM_SPEC_VALUE_TYPE (GST_CONTROL_BINDING_PSPEC (self));
while ((type = g_type_parent (type)))
base = type;
GST_INFO_OBJECT (self, "missing get_g_value_array implementation, we're "
"emulating it");
switch (base) {
case G_TYPE_INT:
CONVERT_ARRAY (int, INT);
break;
case G_TYPE_UINT:
CONVERT_ARRAY (uint, UINT);
break;
case G_TYPE_LONG:
CONVERT_ARRAY (long, LONG);
break;
case G_TYPE_ULONG:
CONVERT_ARRAY (ulong, ULONG);
break;
case G_TYPE_INT64:
CONVERT_ARRAY (int64, INT64);
break;
case G_TYPE_UINT64:
CONVERT_ARRAY (uint64, UINT64);
break;
case G_TYPE_FLOAT:
CONVERT_ARRAY (float, FLOAT);
break;
case G_TYPE_DOUBLE:
CONVERT_ARRAY (double, DOUBLE);
break;
case G_TYPE_BOOLEAN:
CONVERT_ARRAY (boolean, BOOLEAN);
break;
case G_TYPE_ENUM:
{
gint *v = g_new (gint, n_values);
ret = gst_control_binding_get_value_array (self, timestamp, interval,
n_values, v);
if (ret) {
for (i = 0; i < n_values; i++) {
g_value_init (&values[i], type);
g_value_set_enum (&values[i], v[i]);
}
}
g_free (v);
}
break;
default:
GST_WARNING ("incomplete implementation for paramspec type '%s'",
G_PARAM_SPEC_TYPE_NAME (GST_CONTROL_BINDING_PSPEC (self)));
GST_CONTROL_BINDING_PSPEC (self) = NULL;
break;
}
}
return ret;
}