+static GstFlowReturn
+gst_fd_sink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
+{
+ GstFlowReturn flow;
+ GstBuffer **buffers;
+ GstFdSink *sink;
+ guint8 *mem_nums;
+ guint total_mems;
+ guint i, num_buffers;
+
+ sink = GST_FD_SINK_CAST (bsink);
+
+ num_buffers = gst_buffer_list_length (buffer_list);
+ if (num_buffers == 0)
+ goto no_data;
+
+ /* extract buffers from list and count memories */
+ buffers = g_newa (GstBuffer *, num_buffers);
+ mem_nums = g_newa (guint8, num_buffers);
+ for (i = 0, total_mems = 0; i < num_buffers; ++i) {
+ buffers[i] = gst_buffer_list_get (buffer_list, i);
+ mem_nums[i] = gst_buffer_n_memory (buffers[i]);
+ total_mems += mem_nums[i];