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| author | Anton Khirnov <anton@khirnov.net> | 2012-08-05 08:37:43 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2012-08-08 21:56:26 +0200 |
| commit | ab2960970171ce3c988405f99a517b9a2fd6496e (patch) | |
| tree | 0434e335a23d961737a997b6f9a06e54be3b6ac2 /doc/avconv.texi | |
| parent | a5fd7c607f7aa6dad7dc2ca9b579c26ddef359d9 (diff) | |
avconv: allow no input files.
It is now possible to use lavfi sources.
Diffstat (limited to 'doc/avconv.texi')
| -rw-r--r-- | doc/avconv.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/avconv.texi b/doc/avconv.texi index 776a326369..ff5bb5297c 100644 --- a/doc/avconv.texi +++ b/doc/avconv.texi @@ -805,6 +805,9 @@ the matching type. Output link labels are referred to with @option{-map}. Unlabeled outputs are added to the first output file. +Note that with this option it is possible to use only lavfi sources without +normal input files. + For example, to overlay an image over video @example avconv -i video.mkv -i image.png -filter_complex '[0:v][1:v]overlay[out]' -map @@ -827,6 +830,11 @@ graph will be added to the output file automatically, so we can simply write @example avconv -i video.mkv -i image.png -filter_complex 'overlay' out.mkv @end example + +To generate 5 seconds of pure red video using lavfi @code{color} source: +@example +avconv -filter_complex 'color=red' -t 5 out.mkv +@end example @end table @c man end OPTIONS |