[FFmpeg-devel] [PATCH] doc/codecs: Better documentation for the libavcodec bitexact flag

Michael Niedermayer michaelni at gmx.at
Sun Nov 2 12:43:54 CET 2014

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
 doc/codecs.texi |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/codecs.texi b/doc/codecs.texi
index 2bb6059..85e6d47 100644
--- a/doc/codecs.texi
+++ b/doc/codecs.texi
@@ -71,7 +71,9 @@ Force low delay.
 @item global_header
 Place global headers in extradata instead of every keyframe.
 @item bitexact
-Use only bitexact stuff (except (I)DCT).
+Only write platform-, build- and time-independant data. (except (I)DCT).
+This ensures that file and data checksums are reproducable and match between
+platforms. Its primary use is for regression testing.
 @item aic
 Apply H263 advanced intra coding / mpeg4 ac prediction.
 @item cbp

More information about the ffmpeg-devel mailing list