but quality is highly degraded , interlaced how can we manage on this case On Wed, Jan 30, 2019 at 6:34 AM Jimmy Asher <[email protected]> wrote:
> > From: ffmpeg-user [[email protected]] on behalf of Matthew > Reus [[email protected]] > Sent: Tuesday, January 29, 2019 7:32 PM > To: [email protected] > 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 > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
