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authorStefano Sabatini <stefasab@gmail.com>2013-10-29 11:33:51 +0100
committerStefano Sabatini <stefasab@gmail.com>2013-10-29 18:30:27 +0100
commit9fa0dccca6492b15849d025e006533d1cd21be6b (patch)
treeb74c89c046ab997c0e890a1a370fff95a14a884a /doc/codecs.texi
parent61c1f2cb1e7ef80725d3ae5e8af267add60d058e (diff)
lavc: extend documentation for the "bf" option
Diffstat (limited to 'doc/codecs.texi')
-rw-r--r--doc/codecs.texi8
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/codecs.texi b/doc/codecs.texi
index e79e462146..1606f6c5c9 100644
--- a/doc/codecs.texi
+++ b/doc/codecs.texi
@@ -172,7 +172,13 @@ Set max video quantizer scale (VBR). Must be included between -1 and
Set max difference between the quantizer scale (VBR).
@item bf @var{integer} (@emph{encoding,video})
-Set max number of B frames.
+Set max number of B frames between non-B-frames.
+
+Must be an integer between -1 and 16. 0 means that B-frames are
+disabled. If a value of -1 is used, it will choose an automatic value
+depending on the encoder.
+
+Default value is 0.
@item b_qfactor @var{float} (@emph{encoding,video})
Set qp factor between P and B frames.