Questions tagged [scale]

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Convert 4:3 to 16:9 like QuickTime Panoramic Size

QuickTime has an awesome feature called "Panoramic Size". It basically scales the input video to the screen aspect ratio without cropping by leaving the center as-is and gradually increasing ...
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1answer
450 views

Scale video without keeping aspect ratio in ffmpeg

I want to make a video 'wide', so the width is increased and the height stays the same as of the input image. I use the following command: ffmpeg -i test.mp4 -vf scale="1000:200" output.mp4. ...
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1answer
324 views

FFmpeg Batch encoding error: CRF/CQP is incompatible with 2pass

I am trying to create a batch file with 2 passes. Pass 1 scales the video. Pass 2 pads a border around it. They both work separately but will not work together. Pass 1: @echo off REM Scale video to ...
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495 views

Trouble scaling 2880x1800 to 1080p without blurring in Premiere Pro

I have a project I'm producing where the source clips are generated from Quicktime doing a screen recording. The dimensions are 2880 x 1800, 60fps. The source dimensions are a little unusual, but ...
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185 views

ffmpeg how to discover right video dimensions, DAR, SAR before scaling/resize?

The original video is: Width : 720 pixels Height : 400 pixels Display aspect ratio : 4:3 Original display ...
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0answers
22 views

Does scale behave differently than position in after effects animation?

In the GIF, if you notice, it looks like the scale is relatively fast at the beginning and gradually becomes slow at the end of loop. So I feel speed of zoom (scale) is not constant: However, when I ...
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1answer
163 views

FFMPEG - Crop and Chromakey not working together?

Having an issue with the chromakey portion not working after the scale. Any ideas? ffmpeg -i background1080.png -i file.mp4 -filter_complex "[1]scale=1612:906[inner];[0][inner]overlay=154:170; [1:v]...
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382 views

Convert 3d video to double 2d video using ffmpeg

I want to convert 3d video to 2d video. I saw another topic How to convert a 3D movie to 2D using ffmpeg but as far I know 3d video is build from 2 videos so I should be double output video. One for ...
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156 views

Upscale the key frames while decoding!

I would like to apply some kind of super-resolution (SR) to the keyframes in an H.264 video. The SR process should target the keyframes and upscale them by a factor of 2. For the past few days, I've ...