From 6a99ecb84e6de16b585f8a3b3c566026c1f100b8 Mon Sep 17 00:00:00 2001 From: Ramiro Polla Date: Wed, 8 Jan 2014 02:49:42 -0200 Subject: [PATCH] doc/muxers/image2: document strftime option Signed-off-by: Stefano Sabatini --- doc/muxers.texi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/doc/muxers.texi b/doc/muxers.texi index 6dcbd16f77..16223f7a8f 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -314,6 +314,17 @@ Note also that the pattern must not necessarily contain "%d" or ffmpeg -i in.avi -f image2 -frames:v 1 img.jpeg @end example +The @option{strftime} option allows you to expand the filename with +date and time information. Check the documentation of +the @code{strftime()} function for the syntax. + +For example to generate image files from the @code{strftime()} +"%Y-%m-%d_%H-%M-%S" pattern, the following @command{ffmpeg} command +can be used: +@example +ffmpeg -f v4l2 -r 1 -i /dev/video0 -f image2 -strftime 1 "%Y-%m-%d_%H-%M-%S.jpg" +@end example + @table @option @item start_number @var{number} Start the sequence from @var{number}. Default value is 1. Must be a @@ -324,6 +335,9 @@ If @var{number} is nonzero, the filename will always be interpreted as just a filename, not a pattern, and this file will be continuously overwritten with new images. +@item strftime @var{[0|1]} +If set to 1, expand the filename with date and time information from +@code{strftime()}. Default value is 0. @end table The image muxer supports the .Y.U.V image file format. This format is