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Questions tagged [filter]

The tag has no usage guidance.

-1
votes
2answers
26 views

What's the mac software or plugin for filters like those?

I was wondering what software do the professionals use to apply filters like THIS. Modern series like the ones Netflix is making are another example that use those kind of nice movie filters. So if ...
0
votes
1answer
9 views

How to apply different filters to different parts of a video using AviSynth?

I have a video file and want to post process it using AviSynth. Different parts of the movie require different filters to be used (noise reduction etc.). How can one use different filters for ...
1
vote
0answers
265 views

How to overlay 2 videos using depth layers

I'm trying to overlay 2 videos which both have depth layers (e.g. how far a pixel is away from the camera) using ffmpeg filters. (I have a few hundred of those videos so I'd like to do batch job out ...
1
vote
0answers
413 views

Is it possible to increase video gamma or brightness at container level?

I would like to know if is it possible to increase the brightness or gamma of a video without full re-encoding. For example some versions of ffmpeg allow certain special bitstream filters described ...
1
vote
0answers
78 views

If I limit the color spectrum of a video, will it compress to a smaller file size?

I know that in exporting images, if I use an indexed color format when I save (such as GIF or PNG with indexed color mode), I can dramatically reduce the file size of the resulting export. My ...
0
votes
0answers
14 views

Quality improvements on frames captured from videos

I'm trying to capture frames from a video, and use them as photos in a machine learning -based process for some detection. Unfortunately, the frames captured from videos are usually very blurry, shaky,...
0
votes
0answers
35 views

FFmpeg Windows maximum character limit on input

I need to use filter_complex on several files but due to cmd limitation I cannot insert all input files. This answer helped me a lot but only partially https://superuser.com/a/1200123. Even using ...
0
votes
0answers
59 views

FFmpeg filter_complex: conditionally select overlay source

I'm trying to overlay an image on top of a live video stream. My filter looks something like this: [input][canvas]overlay=x=((main_w-overlay_w)/2):y=((main_h-overlay_h)/2)[output] However, my input ...
0
votes
0answers
224 views

FFMPEG Split filter and loop skipping frames

I'm overlaying the same HD footage multiple times on a 4K image sequence but I need to offset the start with a holding loop on the first frame. I've been using filters to split and then loop the ...
0
votes
0answers
106 views

FFMpeg - How to ligten up half of the view (apply gamma filter partially)

I have recorded a video, but due to incorrect physical filter position, about half of the image is darker. I would like to apply a gamma filter to that part. The split is vertical in around 45 % from ...
0
votes
0answers
131 views

ffmpeg video overlays freezing during audio fade

I'm trying to get video overlays and their audio to fade out at different points in time. Before the first overlay completely fades out, both videos freeze, while audio continues. If I remove the ...
0
votes
0answers
688 views

FFMpeg how to add advance filters to Video

How to add advance filters like Snow rain to video using ffmpeg library. I have visited: https://ffmpeg.org/ffmpeg-all.html and https://trac.ffmpeg.org/wiki/FilteringGuide but cannot come to any ...