g_return_if_fail (GST_IS_BUFFER_LIST (list));
g_return_if_fail (buffer != NULL);
+ g_return_if_fail (gst_buffer_list_is_writable (list));
if (idx == -1 && list->n_buffers < list->n_allocated) {
list->buffers[list->n_buffers++] = buffer;
g_return_if_fail (GST_IS_BUFFER_LIST (list));
g_return_if_fail (idx < list->n_buffers);
g_return_if_fail (idx + length <= list->n_buffers);
+ g_return_if_fail (gst_buffer_list_is_writable (list));
gst_buffer_list_remove_range_internal (list, idx, length, TRUE);
}