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author | Alexandra Khirnova <alexandra@khirnov.net> | 2011-10-10 11:52:13 +0100 |
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committer | Anton Khirnov <anton@khirnov.net> | 2011-10-17 22:24:17 +0200 |
commit | 3ec344626c4ec2f515169f89bffe95dea92a5982 (patch) | |
tree | ccd69faec86d89d759e9742b8583644e93102ed8 /doc/avconv.texi | |
parent | 51369f2891f756bcca4d7283d5a24c0529c1d6e1 (diff) | |
download | ffmpeg-streaming-3ec344626c4ec2f515169f89bffe95dea92a5982.zip ffmpeg-streaming-3ec344626c4ec2f515169f89bffe95dea92a5982.tar.gz |
avconv: add presets
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'doc/avconv.texi')
-rw-r--r-- | doc/avconv.texi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/avconv.texi b/doc/avconv.texi index 9faaee6..6e38a47 100644 --- a/doc/avconv.texi +++ b/doc/avconv.texi @@ -186,6 +186,8 @@ codec-dependent. @var{filter_graph} is a description of the filter graph to apply to the stream. Use @code{-filters} to show all the available filters (including also sources and sinks). +@item -pre[:@var{stream_specifier}] @var{preset_name} (@emph{output,per-stream}) +Specify the preset for matching stream(s). @item -stats (@emph{global}) Print encoding progress/statistics. On by default. @@ -770,6 +772,21 @@ quality). @chapter Examples @c man begin EXAMPLES +@section Preset files + +A preset file contains a sequence of @var{option=value} pairs, one for +each line, specifying a sequence of options which can be specified also on +the command line. Lines starting with the hash ('#') character are ignored and +are used to provide comments. Empty lines are also ignored. Check the +@file{ffpresets} directory in the Libav source tree for examples. + +Preset files are specified with the @code{pre} option, this option takes a +preset name as input. Avconv searches for a file named @var{preset_name}.avpreset in +the directories @file{$AVCONV_DATADIR} (if set), and @file{$HOME/.avconv}, and in +the data directory defined at configuration time (usually @file{$PREFIX/share/avconv}) +in that order. For example, if the argument is @code{libx264-max}, it will +search for the file @file{libx264-max.avpreset}. + @section Video and Audio grabbing If you specify the input format and device then avconv can grab video |