v4l2: unref copied buffer

After we copy the incomming buffer to one of our bufferpool buffers, unref the
target buffer after rendering so that it is put back in the pool.

diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
index 68cf2aa..cf850df 100644 (file)
--- a/sys/v4l2/gstv4l2object.c
+++ b/sys/v4l2/gstv4l2object.c
@@ -2717,28 +2717,9 @@ gst_v4l2_object_output_buffer (GstV4l2Object * v4l2object, GstBuffer * buf)
       return GST_FLOW_ERROR;
     }
   }
-  if (!newbuf)
-    gst_buffer_ref (buf);
+  if (newbuf)
+    gst_buffer_unref (newbuf);
 
-#if 0
-  /* if the driver has more than one buffer, ie. more than just the one we
-   * just queued, then dequeue one immediately to make it available via
-   * _buffer_alloc():
-   */
-  if (gst_v4l2_buffer_pool_available_buffers (v4l2object->pool) >
-      v4l2object->min_queued_bufs) {
-    GstBuffer *v4l2buf = gst_v4l2_buffer_pool_dqbuf (v4l2object->pool);
-
-    /* note: if we get a buf, we don't want to use it directly (because
-     * someone else could still hold a ref).. but instead we release our
-     * reference to it, and if no one else holds a ref it will be returned
-     * to the pool of available buffers..  and if not, we keep looping.
-     */
-    if (v4l2buf) {
-      gst_buffer_unref (v4l2buf);
-    }
-  }
-#endif
   return GST_FLOW_OK;
 
   /* ERRORS */