[FFmpeg-user] SD channels to HD

Matthew Reus matthew.reus01 at gmail.com
Wed Jan 30 04:19:29 EET 2019


but quality is highly degraded , interlaced how can we manage on this case

On Wed, Jan 30, 2019 at 6:34 AM Jimmy Asher <jasher at safarimontage.com>
wrote:

>
> From: ffmpeg-user [ffmpeg-user-bounces at ffmpeg.org] on behalf of Matthew
> Reus [matthew.reus01 at gmail.com]
> Sent: Tuesday, January 29, 2019 7:32 PM
> To: ffmpeg-user at ffmpeg.org
> Subject: [FFmpeg-user] SD channels to HD
>
> Hello,
>
> How can we use ffmpeg to transcode SD channels of resolution 720*576 to HD
> format .
> So we can obtain best picture qualtiy for live streaming , wihtout
> interlace and frame drops .
>
> I am using ubuntu server and have compile ffmpeg on it . please advise on
> SD to HD conversion .
> _______________________________________________
>
>
> HI,
>
> you could look at the  filtergraph command and its options and look at how
> to scale and pad the video to create a letter box formatted output.
>
> ffmpeg -i input.mp4 -vf "scale=..., pad=..." output.mp4
>
> help docs is a good place to start
> https://trac.ffmpeg.org/wiki/FilteringGuide
>
> JDA
>
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