lavc/rav1e: log and doc updated for const quantizer mode

Signed-off-by: Zhong Li <zhongli_dev@126.com>

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 6cf3a740936355c7b4c6c1bf92d0a60686a07705..6b02c7798dcaca5f74b967852d71ed2e4141a2a7 100644 (file)
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1395,7 +1395,7 @@ Sets the maximum quantizer to use when using bitrate mode.
 Sets the minimum quantizer to use when using bitrate mode.
 
 @item qp
-Uses quantizer mode to encode at the given quantizer.
+Uses quantizer mode to encode at the given quantizer (0-255).
 
 @item speed
 Selects the speed preset (0-10) to encode with.