From bd0f866731ac8fed122100e5a4b86ac8f0d81dd1 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 31 Oct 2014 23:45:43 +0100 Subject: [PATCH] doc: Better documentation for the bitexact flag Reviewed-by: Benoit Fouet Signed-off-by: Michael Niedermayer --- doc/codecs.texi | 4 +++- doc/formats.texi | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/doc/codecs.texi b/doc/codecs.texi index 2bb60595c9..35068c701c 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-independent 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 diff --git a/doc/formats.texi b/doc/formats.texi index bdae84232e..bca8924ebe 100644 --- a/doc/formats.texi +++ b/doc/formats.texi @@ -56,7 +56,9 @@ Enable RTP MP4A-LATM payload. @item nobuffer Reduce the latency introduced by optional buffering @item bitexact -Only write binary portable, build and time independant data. +Only write platform-, build- and time-independent data. +This ensures that file and data checksums are reproducable and match between +platforms. Its primary use is for regression testing. @end table @item seek2any @var{integer} (@emph{input})