Module: libav Branch: master Commit: 22b203baf81f8efcf134d2d27732ee6e842fdcb6
Author: Anton Khirnov <[email protected]> Committer: Anton Khirnov <[email protected]> Date: Sun Jul 17 14:54:20 2011 +0200 doc: document using AVOptions in fftools. --- doc/fftools-common-opts.texi | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-) diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi index 3a1cb3b..fec61cf 100644 --- a/doc/fftools-common-opts.texi +++ b/doc/fftools-common-opts.texi @@ -91,3 +91,28 @@ The use of the environment variable @env{NO_COLOR} is deprecated and will be dropped in a following Libav version. @end table + +@section AVOptions + +These options are provided directly by the libavformat and libavcodec +libraries. To see the list of available AVOptions, use the +@option{-help} option. They are separated into two categories: +@table @option +@item generic +Can be set for any container or codec. Generic options are listed under +AVFormatContext options for containers and under AVCodecContext options +for codecs. +@item private +Are specific to the given container or codec. Private options are listed +under their corresponding containers/codecs. +@end table + +For example to write an ID3v2.3 header instead of a default ID3v2.4 to +an MP3 file, use the @option{id3v2_version} private option of the MP3 +muxer: +@example +ffmpeg -i input.flac -id3v2_version 3 out.mp3 +@end example + +Note -nooption syntax cannot be used for boolean AVOptions, use -option +0/-option 1. _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
