[FFmpeg-devel] To Speed Up thumbnail creation - picture & video

[Gyan Doshi]

On 22-06-2020 10:28 am, Arunava Banerjee wrote:
> Hello,
>
> We have been using FFMPEG library to create the following thumbnails from
> videos:
> a. picture
> b. video - for example a 60secs video thumbnail.
>
> Our video sizes are about 200 - 300 MB. We are using a PHP program to
> transfer command to the shell for FFMPEG executable to generate the
> thumbnails.
>
> The videos exists on AWS S3, and we are fetching them using S3 signature
> url, generating the thumbs and uploading back.
>
> We have noticed that FFMPEG takes quite sometime to create the thumbnails,
> which is creating a wait time on the part of the interface.
>
> Please let us know if there could be a way, we can fasten this process.
> Do such params exist in FFMPEG ?
>
> The time for creation on a local system using S3 is given hereunder:
>
> To create a picture:
> real 0m37.618s
> user 0m17.791s
> sys 0m0.783s
>
> To create a video thumb:
> real 3m6.979s
> user 2m29.448s
> sys 0m4.621s

This belongs on the ffmpeg-user ML. When posting there, provide the full 
commands and their logs.

Gyan