Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
/**
* This callback is called at the beginning of each frame to get data
* buffer(s) for it. There may be one contiguous buffer for all the data or
- * there may be a buffer per each data plane or anything in between. Each
- * buffer must be reference-counted using the AVBuffer API.
+ * there may be a buffer per each data plane or anything in between. What
+ * this means is, you may set however many entries in buf[] you feel necessary.
+ * Each buffer must be reference-counted using the AVBuffer API (see description
+ * of buf[] below).
*
* The following fields will be set in the frame before this callback is
* called: