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doc/avconv: expand documentation for the -s option.

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Anton Khirnov 2012-05-26 13:52:44 +02:00
parent cf6c38c62b
commit 4f81a5072a
1 changed files with 12 additions and 2 deletions
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doc/avconv.texi
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@ -260,8 +260,18 @@ Set the number of video frames to record. This is an alias for @code{-frames:v}.
Set frame rate (Hz value, fraction or abbreviation), (default = 25). For output Set frame rate (Hz value, fraction or abbreviation), (default = 25). For output
streams implies @code{-vsync cfr}. streams implies @code{-vsync cfr}.
@item -s[:@var{stream_specifier}] @var{size} (@emph{input/output,per-stream}) @item -s[:@var{stream_specifier}] @var{size} (@emph{input/output,per-stream})
Set frame size. The format is @samp{wxh} (default - same as source). Set frame size.
The following abbreviations are recognized:
As an input option, this is a shortcut for the @option{video_size} private
option, recognized by some demuxers for which the frame size is either not
stored in the file or is configurable -- e.g. raw video or video grabbers.
As an output option, this inserts the @code{scale} video filter to the
@emph{end} of the corresponding filtergraph. Please use the @code{scale} filter
directly to insert it at the beginning or some other place.
The format is @samp{wxh} (default - same as source). The following
abbreviations are recognized:
@table @samp @table @samp
@item sqcif @item sqcif
128x96 128x96