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15 votes

How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

Convert 4k to 1080 (no change in codec) ffmpeg -i input4kvid.mp4 -vf scale=1920:1080 -c:a copy output1080vid.mp4 Convert h.264 to h.265 (no change in resolution) ffmpeg -i input.mp4 -c:v libx265 -...
KeshavDulal's user avatar
4 votes

how to burn full hd movies (1080px720p) in DVD

DVD Video is limited to Standard Def, not High Def (HD). Blu-Ray overcomes that limitation. Alternatively you can use the DVD as a filesystem and play arbitrary media using a computer. But as a ...
Michael Tiemann's user avatar
3 votes
Accepted

Should I shoot at 1080p if I intend to use 720p on the web?

There is no one right answer to this very general question, but here are the considerations. Some cameras (such as the Canon EOS DSLRs) have very naive line-skipping algorithms to decimate their ...
Michael Tiemann's user avatar
2 votes
Accepted

Is 4K 4.2.0 just HD 4.4.4

4:2:0 means that only the colour information is subsampled. So while that the colour is at a lower resolution the brightness information is at full resolution. This works because human vision is more ...
stib's user avatar
  • 13.7k
2 votes
Accepted

Interlaced Video Format 1080i (59.94)

You're not going to be able to replicate the precise "look" of 59.94, even with special plugins. This, due to the fact that interlaced is in many ways like: Double Frame Rate - Half Resolution. ...
McFlySoHigh's user avatar
  • 2,487
1 vote

Crop HD (1920x1080) video ratio from the center in ffmpeg

Your command is doing fine, and ffprobe will show the resolution as 960x1080 Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder ...
xer-rex's user avatar
  • 817
1 vote
Accepted

Any tips how to increase editing speed on Premiere Pro?

I use Cinegy Daniel2 codec for editing in Premiere Pro. This codec take more space on disk, but work veeeeery fast compare to H264. Also it work more fast for me compare to ProRes. Cinegy Daniel2 can ...
Viktor Liashenko's user avatar
1 vote

Downsample in Youtube or in editing software?

YouTube will transcode your files regardless of what you upload. If you upload a 1080 file, it will create its own file using their new codec (which I am not sure is 100% deployed yet but is already ...
McFlySoHigh's user avatar
  • 2,487
1 vote
Accepted

Downsample in Youtube or in editing software?

If you can afford the additional upload and processing time to You Tube, you should use 4k. Not only will this look better for most people (Not actually look better, but rather it looks more modern to ...
Timothy Lukas H.'s user avatar
1 vote

Can upconverting 1080p videos on 4k TVs, lower their quality?

Upsample by an integer ratio can be completely blameless, just repeating pixels and lines gets it done, no new information, and you get only the original resolution displayed, but no losses either. ...
Dan Mills's user avatar
  • 211
1 vote

How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

Use avconv if you want: avconv -i 4kfile.mp4 -s hd1080 -c:v libx264 -c:a copy fullhdfile.mp4
Guray Celik's user avatar
1 vote

What Beginner Video Editing Software Should I Use?

If Adobe Premiere has too steep a learning curve, you might like Adobe Premiere Elements. It is a pared down editing package and not as complex as Adobe Premiere. You can download a free trial here. ...
MmmHmm's user avatar
  • 397
1 vote

What Beginner Video Editing Software Should I Use?

I can't really compare with other software, but I really like HitFilm Express 4. I've done everything you said in it. This basic version is free, has some excellent tutorials. It isn't a dumbed down ...
neves's user avatar
  • 143
1 vote

What Beginner Video Editing Software Should I Use?

Free = BlackMagic Davinci Resolve 12.5 (Win, Mac, Linux) It is a fully fledged NLE and Colour correction and if you want to jump into the realms of SFX they offer Fusion for free as well (bear in ...
Adam Mann Pro's user avatar

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