-// Hardware H.264 encoding via VAAPI. Heavily modified based on example
-// code by Intel. Intel's original copyright and license is reproduced below:
+// Hardware H.264 encoding via VAAPI. Also orchestrates the H.264 encoding
+// in general; this is unfortunate, and probably needs a cleanup. In particular,
+// even if you don't actually use Quick Sync for anything, this class
+// (or actually, QuickSyncEncoderImpl) still takes on a pretty central role.
+//
+// Heavily modified based on example code by Intel. Intel's original copyright
+// and license is reproduced below: