Hello everyone,
I would like to know if there is any video player software (for Windows preferably) that can apply basic filters to videos.
By filter I don't mean video encoding or decoding software (like divx, h264, vp8, webm and such).
For example showing subtitles is a a basic filter applied to the original video.
What I need is a bit more filters, like for example drawing a blue, opaque square on the bottom-left part of the video. Or turning the sound off for the first two minutes of the video, or reducing the sound volume by 50% for the last three minutes of the video.
I do not need to be able to save the resulted video. I just want to watch it, with my chosen filter.
Is there any such player that allows the user to apply basic filters to videos they are watching?
Thanks
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For video, it can be done efficiently in realtime with user gpu shaders (a MaskBox is what you are looking for, ex: bShaders barMask.hlsl Mode 2). Hlsl is supported by many directshow players (I would recommend mpc-hc for this), Mpv uses glsl based .hook.
VLC has some buit-in cpu filters (including a logo filter) and mpv has built-in ffmpeg video filters.
For audio, I think it should be possible with mpv / ffmpeg audio filters.
If Avisynth+ is installed, Avisynth scripts can also be opened by some videoplayers (no indexing is required with mp4/mov video with LSMASHSource plugin).Last edited by butterw; 6th May 2021 at 03:22.
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Avisynth+: with LSMASHSource plugin, no indexing is required for mp4/mov video.
If you use an avs script you have to provide the filepath to the video. -
I downloaded L-SMASH-Works (L-SMASH-Works_20210423.7z) from this link - https://github.com/HolyWu/L-SMASH-Works/releases/
I copied the file plugins\LSMASHSource.dll into the folder C:\Program Files (x86)\AviSynth+\plugins+
But it still doesn't work.
My AVS script looks like this:
DirectShowSource("D:\MyVideo.mp4", fps=25, convertfps=true)
It works with ASF but it doesn't work with MP4
What do I have to do to make it work? -
LSmashVideoSource("D:\MyVideo.mp4")
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