[FFmpeg-user] video to image seq. back to video - keep same length

[Andrey Utkin]

2012/4/23 Damon Edwards <dzedward at gmail.com>:
> Sorry:
>
> *to image sequence:*
> ffmpeg -i ' . $video_dir . $filename . '.mp4 -sameq ' . $image_dir .
> '/%11d.jpg
>
> *apply filters to images via PHP here*
>
> *back to video:*
> ffmpeg -f image2 -i ' . $image_dir . '/%11d-' . $filter . '.jpg -vcodec
> libx264 -b ' . $bitrate . ' -r ' . $framerate . ' -vpre lossless_fast ' .
> $video_dir . $filename . '-' . $unique . '-' . $filter . '.mp4
>
> I execute this via PHP exec().

Ffmpeg output still missing.
I guess your video has frame rate different from 25.
image2 demuxer assumes framerate 25 by default.

-- 
Andrey Utkin