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bufferlist: improve foreach function

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Make the foreach function return FALSE when one of the function calls returned
FALSE.
This commit is contained in:
Wim Taymans 2012-07-17 12:52:59 +02:00
parent c8e83cde78
commit d7950e4466
2 changed files with 9 additions and 5 deletions
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12
gst/gstbufferlist.c
View file

@ -181,20 +181,23 @@ gst_buffer_list_length (GstBufferList * list)
* @func can modify the passed buffer pointer or its contents. The return value * @func can modify the passed buffer pointer or its contents. The return value
* of @func define if this function returns or if the remaining buffers in * of @func define if this function returns or if the remaining buffers in
* the list should be skipped. * the list should be skipped.
*
* Returns: %TRUE when @func returned %TRUE for each buffer in @list or when
* @list is empty.
*/ */
void gboolean
gst_buffer_list_foreach (GstBufferList * list, GstBufferListFunc func, gst_buffer_list_foreach (GstBufferList * list, GstBufferListFunc func,
gpointer user_data) gpointer user_data)
{ {
guint i, len; guint i, len;
gboolean ret = TRUE;
g_return_if_fail (GST_IS_BUFFER_LIST (list)); g_return_val_if_fail (GST_IS_BUFFER_LIST (list), FALSE);
g_return_if_fail (func != NULL); g_return_val_if_fail (func != NULL, FALSE);
len = list->array->len; len = list->array->len;
for (i = 0; i < len;) { for (i = 0; i < len;) {
GstBuffer *buf, *buf_ret; GstBuffer *buf, *buf_ret;
gboolean ret;
buf = buf_ret = g_array_index (list->array, GstBuffer *, i); buf = buf_ret = g_array_index (list->array, GstBuffer *, i);
ret = func (&buf_ret, i, user_data); ret = func (&buf_ret, i, user_data);
@ -216,6 +219,7 @@ gst_buffer_list_foreach (GstBufferList * list, GstBufferListFunc func,
if (buf_ret != NULL) if (buf_ret != NULL)
i++; i++;
} }
return ret;
} }
/** /**

2
gst/gstbufferlist.h
View file

@ -155,7 +155,7 @@ GstBuffer * gst_buffer_list_get (GstBufferList *l
void gst_buffer_list_insert (GstBufferList *list, guint idx, GstBuffer *buffer); void gst_buffer_list_insert (GstBufferList *list, guint idx, GstBuffer *buffer);
void gst_buffer_list_remove (GstBufferList *list, guint idx, guint length); void gst_buffer_list_remove (GstBufferList *list, guint idx, guint length);
void gst_buffer_list_foreach (GstBufferList *list, gboolean gst_buffer_list_foreach (GstBufferList *list,
GstBufferListFunc func, GstBufferListFunc func,
gpointer user_data); gpointer user_data);