[vlc-devel] The speed of transcoding is slow

Kaarlo Räihä kaarlo.raiha at gmail.com
Fri Apr 15 09:17:25 CEST 2011

2011/4/15 zhu shi song <zhushisongzhu at yahoo.com>

> Dear lists,
>   I have AVI video file and hope to transcode it to MP4(H.264+AAC).  VLC
> works well, but the speed of transcoding is the same long as playing, so
> it's very slow.  If the video have 10 minutes long, it will cost the same
> time transcoding.  The waiting is very tedious.  I have got one H.264 to AVI
> tool, for 10 minutes long video file, the tool just costs about 1 minute
>  completing to transcode.
>   I don't know why vlc needs so long time to transcode.  How can I speed
> the transcoding?

How do you start the transcoding? Usually you can speed up the process by
adjusting the x264 encoding settings (profile, b-frames etc.).

>   thanks
>  zhu zhong hua
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