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gstqueuearray: make find() return a 0-based index

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And make the drop() functions expect a 0-based index too,
this addresses a longstanding FIXME. This will not break
backward compatibility, because the drop() functions
were previously only meant to be used with the index
returned by find().

https://bugzilla.gnome.org/show_bug.cgi?id=795156
This commit is contained in:
Mathieu Duponchelle 2018-04-11 13:44:33 +02:00
parent ed5d888ba5
commit 68761eecae
1 changed files with 4 additions and 7 deletions
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11
libs/gst/base/gstqueuearray.c
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@ -476,6 +476,8 @@ gst_queue_array_drop_struct (GstQueueArray * array, guint idx,
guint elt_size;
g_return_val_if_fail (array != NULL, FALSE);
idx = (array->head + idx) % array->size;
g_return_val_if_fail (array->length > 0, FALSE);
g_return_val_if_fail (idx < array->size, FALSE);
@ -581,11 +583,6 @@ gst_queue_array_drop_element (GstQueueArray * array, guint idx)
* with @func or by looking up @data if no compare function @func is provided,
* and returning the index of the found element.
*
* Note that the index is not 0-based, but an internal index number with a
* random offset. The index can be used in connection with
* gst_queue_array_drop_element(). FIXME: return index 0-based and make
* gst_queue_array_drop_element() take a 0-based index.
*
* Returns: Index of the found element or -1 if nothing was found.
*
* Since: 1.2
@ -611,13 +608,13 @@ gst_queue_array_find (GstQueueArray * array, GCompareFunc func, gpointer data)
for (i = 0; i < array->length; i++) {
p_element = array->array + ((i + array->head) % array->size) * elt_size;
if (func (*(gpointer *) p_element, data) == 0)
return (i + array->head) % array->size;
return i;
}
} else {
for (i = 0; i < array->length; i++) {
p_element = array->array + ((i + array->head) % array->size) * elt_size;
if (*(gpointer *) p_element == data)
return (i + array->head) % array->size;
return i;
}
}