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encoders.texi: add documentation for the libx264 encoder

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Also remove -x264opts item from the ffmpeg manual, since it belongs to
the encoders section.
This commit is contained in:
Stefano Sabatini 2011-05-19 21:14:37 +02:00
parent c5385147cd
commit 52da548c7d
2 changed files with 63 additions and 7 deletions
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63
doc/encoders.texi
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@ -370,3 +370,66 @@ is highly recommended that it be left as enabled except for testing purposes.
@end table @end table
@c man end AUDIO ENCODERS @c man end AUDIO ENCODERS
@chapter Video Encoders
@c man begin VIDEO ENCODERS
A description of some of the currently available video encoders
follows.
@section libx264
H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 format supported through
libx264.
Requires the presence of the libx64 headers and library during
configuration. You need to explicitely configure the build with
@code{--enable-libx264}.
@subsection Options
@table @option
@item preset @var{preset_name}
Set the encoding preset.
@item tune @var{tune_name}
Tune the encoding params.
Deprecated in favor of @var{x264_opts}
@item fastfirstpass @var{bool}
Use fast settings when encoding first pass, default value is 1.
Deprecated in favor of @var{x264_opts}.
@item profile @var{profile_name}
Set profile restrictions.
Deprecated in favor of @var{x264_opts}.
@item level @var{level}
Specify level (as defined by Annex A).
Deprecated in favor of @var{x264_opts}.
@item passlogfile @var{filename}
Specify filename for 2 pass stats.
Deprecated in favor of @var{x264_opts}.
@item wpredp @var{wpred_type}
Specify Weighted prediction for P-frames.
Deprecated in favor of @var{x264_opts}.
@item x264opts @var{options}
Allow to set any x264 option, see x264 manual for a list.
@var{options} is a list of @var{key}=@var{value} couples separated by
":".
@end table
For example to specify libx264 encoding options with @file{ffmpeg}:
@example
ffmpeg -i foo.mpg -vcodec libx264 -x264opts keyint=123:min-keyint=20 -an out.mkv
@end example
For more information about libx264 and the supported options see:
@url{http://www.videolan.org/developers/x264.html}
@c man end VIDEO ENCODERS

7
doc/ffmpeg.texi
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@ -312,13 +312,6 @@ the input video.
Use the option "-filters" to show all the available filters (including Use the option "-filters" to show all the available filters (including
also sources and sinks). also sources and sinks).
@item -x264opts @var{option}
Allows you to set any x264 option, see x264 manual for a list.
@example
ffmpeg -i foo.mpg -vcodec libx264 -x264opts keyint=123:min-keyint=20 -an out.mkv
@end example
@end table @end table
@section Advanced Video Options @section Advanced Video Options