*/
GstPad *
gst_element_get_compatible_pad (GstElement * element, GstPad * pad,
- const GstCaps * caps)
+ GstCaps * caps)
{
GstIterator *pads;
GstPadTemplate *templ;
va_end (args);
}
-static void
-gst_element_populate_std_props (GObjectClass * klass, const gchar * prop_name,
- guint arg_id, GParamFlags flags)
-{
- GQuark prop_id = g_quark_from_string (prop_name);
- GParamSpec *pspec;
-
- static GQuark fd_id = 0;
- static GQuark blocksize_id;
- static GQuark bytesperread_id;
- static GQuark dump_id;
- static GQuark filesize_id;
- static GQuark mmapsize_id;
- static GQuark location_id;
- static GQuark offset_id;
- static GQuark silent_id;
- static GQuark touch_id;
-
- flags |= G_PARAM_STATIC_STRINGS;
-
- if (!fd_id) {
- fd_id = g_quark_from_static_string ("fd");
- blocksize_id = g_quark_from_static_string ("blocksize");
- bytesperread_id = g_quark_from_static_string ("bytesperread");
- dump_id = g_quark_from_static_string ("dump");
- filesize_id = g_quark_from_static_string ("filesize");
- mmapsize_id = g_quark_from_static_string ("mmapsize");
- location_id = g_quark_from_static_string ("location");
- offset_id = g_quark_from_static_string ("offset");
- silent_id = g_quark_from_static_string ("silent");
- touch_id = g_quark_from_static_string ("touch");
- }
-
- if (prop_id == fd_id) {
- pspec = g_param_spec_int ("fd", "File-descriptor",
- "File-descriptor for the file being read", 0, G_MAXINT, 0, flags);
- } else if (prop_id == blocksize_id) {
- pspec = g_param_spec_ulong ("blocksize", "Block Size",
- "Block size to read per buffer", 0, G_MAXULONG, 4096, flags);
-
- } else if (prop_id == bytesperread_id) {
- pspec = g_param_spec_int ("bytesperread", "Bytes per read",
- "Number of bytes to read per buffer", G_MININT, G_MAXINT, 0, flags);
-
- } else if (prop_id == dump_id) {
- pspec = g_param_spec_boolean ("dump", "Dump",
- "Dump bytes to stdout", FALSE, flags);
-
- } else if (prop_id == filesize_id) {
- pspec = g_param_spec_int64 ("filesize", "File Size",
- "Size of the file being read", 0, G_MAXINT64, 0, flags);
-
- } else if (prop_id == mmapsize_id) {
- pspec = g_param_spec_ulong ("mmapsize", "mmap() Block Size",
- "Size in bytes of mmap()d regions", 0, G_MAXULONG, 4 * 1048576, flags);
-
- } else if (prop_id == location_id) {
- pspec = g_param_spec_string ("location", "File Location",
- "Location of the file to read", NULL, flags);
-
- } else if (prop_id == offset_id) {
- pspec = g_param_spec_int64 ("offset", "File Offset",
- "Byte offset of current read pointer", 0, G_MAXINT64, 0, flags);
-
- } else if (prop_id == silent_id) {
- pspec = g_param_spec_boolean ("silent", "Silent", "Don't produce events",
- FALSE, flags);
-
- } else if (prop_id == touch_id) {
- pspec = g_param_spec_boolean ("touch", "Touch read data",
- "Touch data to force disk read before " "push ()", TRUE, flags);
- } else {
- g_warning ("Unknown - 'standard' property '%s' id %d from klass %s",
- prop_name, arg_id, g_type_name (G_OBJECT_CLASS_TYPE (klass)));
- pspec = NULL;
- }
-
- if (pspec) {
- g_object_class_install_property (klass, arg_id, pspec);
- }
-}
-
-/**
- * gst_element_class_install_std_props:
- * @klass: the #GstElementClass to add the properties to.
- * @first_name: the name of the first property.
- * in a NULL terminated
- * @...: the id and flags of the first property, followed by
- * further 'name', 'id', 'flags' triplets and terminated by NULL.
- *
- * Adds a list of standardized properties with types to the @klass.
- * the id is for the property switch in your get_prop method, and
- * the flags determine readability / writeability.
- **/
-void
-gst_element_class_install_std_props (GstElementClass * klass,
- const gchar * first_name, ...)
-{
- const char *name;
-
- va_list args;
-
- g_return_if_fail (GST_IS_ELEMENT_CLASS (klass));
-
- va_start (args, first_name);
-
- name = first_name;
-
- while (name) {
- int arg_id = va_arg (args, int);
- GParamFlags flags = (GParamFlags) va_arg (args, int);
-
- gst_element_populate_std_props ((GObjectClass *) klass, name, arg_id,
- flags);
-
- name = va_arg (args, char *);
- }
-
- va_end (args);
-}
-
-
/**
* gst_buffer_merge:
* @buf1: (transfer none): the first source #GstBuffer to merge.
gboolean
gst_pad_proxy_query_caps (GstPad * pad, GstQuery * query)
{
- GstCaps *intersected;
+ GstCaps *templ, *intersected;
QueryCapsData data;
g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
gst_pad_forward (pad, (GstPadForwardFunction) query_caps_func, &data);
+ templ = gst_pad_get_pad_template_caps (pad);
if (data.ret) {
- intersected =
- gst_caps_intersect (data.ret, gst_pad_get_pad_template_caps (pad));
+ intersected = gst_caps_intersect (data.ret, templ);
gst_caps_unref (data.ret);
} else {
- intersected = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
+ intersected = templ;
}
gst_query_set_caps_result (query, intersected);
+ gst_caps_unref (templ);
gst_caps_unref (intersected);
return TRUE;
* and want them all ghosted, you will have to create the ghost pads
* yourself).
*
- * Returns: (transfer full): a newly-created bin, or NULL if an error occurred.
+ * Returns: (transfer floating): a newly-created bin, or NULL if an error occurred.
*
* Since: 0.10.3
*/
}
/**
+ * gst_util_greatest_common_divisor_int64:
+ * @a: First value as #gint64
+ * @b: Second value as #gint64
+ *
+ * Calculates the greatest common divisor of @a
+ * and @b.
+ *
+ * Returns: Greatest common divisor of @a and @b
+ *
+ * Since: 0.11.0
+ */
+gint64
+gst_util_greatest_common_divisor_int64 (gint64 a, gint64 b)
+{
+ while (b != 0) {
+ gint64 temp = a;
+
+ a = b;
+ b = temp % b;
+ }
+
+ return ABS (a);
+}
+
+
+/**
* gst_util_fraction_to_double:
* @src_n: Fraction numerator as #gint
* @src_d: Fraction denominator #gint