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bufferlist: Implement gst_buffer_list_foreach()

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This commit is contained in:
Sebastian Dröge 2011-04-19 20:52:05 +02:00
parent 8e76da20b6
commit 4db7fc58d2
1 changed files with 29 additions and 0 deletions
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29
gst/gstbufferlist.c
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@ -194,6 +194,35 @@ void
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;
g_return_if_fail (GST_IS_BUFFER_LIST (list));
g_return_if_fail (func != NULL);
len = list->array->len;
for (i = 0; i < len;) {
GstBuffer *buf, *buf_ret;
gboolean ret;
buf = buf_ret = g_array_index (list->array, GstBuffer *, i);
ret = func (&buf_ret, i, user_data);
/* Check if the function changed the buffer */
if (buf != buf_ret) {
if (buf_ret == NULL) {
g_array_remove_index (list->array, i);
} else {
g_array_index (list->array, GstBuffer *, i) = buf_ret;
}
}
if (!ret)
break;
/* If the buffer was not removed by func go to the next buffer */
if (buf_ret != NULL)
i++;
}
} }
/** /**