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Diffstat (limited to 'doc/avtools-common-opts.texi')
| -rw-r--r-- | doc/avtools-common-opts.texi | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/doc/avtools-common-opts.texi b/doc/avtools-common-opts.texi index d07505d2e4..1fc12aa966 100644 --- a/doc/avtools-common-opts.texi +++ b/doc/avtools-common-opts.texi @@ -18,10 +18,10 @@ are used to precisely specify which stream(s) does a given option belong to. A stream specifier is a string generally appended to the option name and separated from it by a colon. E.g. @code{-codec:a:1 ac3} option contains -@code{a:1} stream specifer, which matches the second audio stream. Therefore it +@code{a:1} stream specifier, which matches the second audio stream. Therefore it would select the ac3 codec for the second audio stream. -A stream specifier can match several stream, the option is then applied to all +A stream specifier can match several streams, the option is then applied to all of them. E.g. the stream specifier in @code{-b:a 128k} matches all audio streams. @@ -41,7 +41,10 @@ streams of this type. @item p:@var{program_id}[:@var{stream_index}] If @var{stream_index} is given, then matches stream number @var{stream_index} in program with id @var{program_id}. Otherwise matches all streams in this program. +@item #@var{stream_id} +Matches the stream by format-specific ID. @end table + @section Generic options These options are shared amongst the av* tools. @@ -116,6 +119,9 @@ Show available pixel formats. @item -sample_fmts Show available sample formats. +@item -layouts +Show channel names and standard channel layouts. + @item -loglevel @var{loglevel} | -v @var{loglevel} Set the logging level used by the library. @var{loglevel} is a number or a string containing one of the following values: @@ -136,7 +142,26 @@ can be disabled setting the environment variable @env{AV_LOG_FORCE_NOCOLOR} or @env{NO_COLOR}, or can be forced setting the environment variable @env{AV_LOG_FORCE_COLOR}. The use of the environment variable @env{NO_COLOR} is deprecated and -will be dropped in a following Libav version. +will be dropped in a following FFmpeg version. + +@item -report +Dump full command line and console output to a file named +@code{@var{program}-@var{YYYYMMDD}-@var{HHMMSS}.log} in the current +directory. +This file can be useful for bug reports. +It also implies @code{-loglevel verbose}. + +Note: setting the environment variable @code{FFREPORT} to any value has the +same effect. + +@item -cpuflags flags (@emph{global}) +Allows setting and clearing cpu flags. This option is intended +for testing. Do not use it unless you know what you're doing. +@example +ffmpeg -cpuflags -sse+mmx ... +ffmpeg -cpuflags mmx ... +ffmpeg -cpuflags 0 ... +@end example @end table @@ -159,7 +184,7 @@ 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 -avconv -i input.flac -id3v2_version 3 out.mp3 +ffmpeg -i input.flac -id3v2_version 3 out.mp3 @end example All codec AVOptions are obviously per-stream, so the chapter on stream |