Questions tagged [non-square-pixels]

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Every 18 or 19 frames from an undistorted .MP4 clip gets pixelized when played via Final Cut

I have a .MP4 movie exported from Blender in 24fps in good quality, without any pixelation problems. In whatever movie player I open it, there are no pixelation problems. When I create a new project ...
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2k views

How do I convert anamorphic hdv video to normal h.264 video with ffmpeg? How to ensure square pixels in output?

I have the following code to convert HDV video to a web ready mp4: ffmpeg -i hdv-input.m2t -crf 28 -c:a aac -b:a 80k -ac 1 -strict -2 -movflags +faststart h-264-out.mp4 The problem is that there is ...
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347 views

What are these rectangular patterns in the frame?

This frame from a video about a camera, has, as you can see, a pattern made up from rectangular boxes. Is it just the pixelation? Or something else? *you can see the video by that frame here
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4k views

ffmpeg: pillarbox 4:3 to 16:9

I'm confusing myself over how the video filters work, particularly how they work together, I think. I have two MKVs, pulled from DVD, that are respectively 16:9 and 4:3. What I would like to do is ...
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781 views

ffmpeg - burning in subtitles with non-square pixels

I've got a 16:9 standard-def movie into which I need to burn some subtitles. I'm using ffmpeg -y -i input.mov -vf ass="./captions.ass" output.mov and in the subtitle.ass file I've tried PlayResX: ...