Post Ao3IhHpXagsFmQVaKm by whophd@ioc.exchange
(DIR) More posts by whophd@ioc.exchange
(DIR) Post #Ao33lGohnnPETzYjbs by foone@digipres.club
2024-11-14T23:13:42Z
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I'm trying to fuck up a video for unclear reasons.The video was easy, I just maxed the compression and resized it down to 18x12 (though I'm thinking of scaling it back up, then hardsubbing some captions from another movie)the audio was the tricky part. I've downmixed the 5-channel surround into mono, lowered the sampling rate to 2000hz, and now I'm over-dynamics-processing it so that all the loud noises (it's an action movie) get smudged into nothingness.
(DIR) Post #Ao34iCXhKywcJNhkP2 by fernsehmuell@chaos.social
2024-11-14T23:24:16Z
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@foone what software do you use? Do you know avisynth? It’s my favorite windows programm.
(DIR) Post #Ao354Ex73evY9m6KfI by AAXSAPNDMF@lethallava.land
2024-11-14T23:27:02.418Z
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@foone@digipres.club I have a tiny function in my .zshrc for fucking up videos. It uses an external dependency tho, but aside from that, it uses ffmpeg.Without the external dependency, it's just normal compression stuff.With the dependency, it adds some datamoshing (i-frame deletion).If you want, I can reply to this toot with the function.Basically for the ffmpeg part it puts the audio bitrate to 20kbps, resizes the video to a small resolution and to 10fps, then resizes back to a viewable resolution.
(DIR) Post #Ao354GEsH6jG99Q1zM by foone@digipres.club
2024-11-14T23:28:05Z
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@AAXSAPNDMF sure!
(DIR) Post #Ao35RrRu5vRMDDlaue by AAXSAPNDMF@lethallava.land
2024-11-14T23:30:50.081Z
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@foone@digipres.club ## vidCrp - gdgamesand14 all over againfunction vidCrp() {ffmpeg -i $1 -b:v 15k -b:a 20k -vf scale=-2:144 -af volume=3 output_vidCrp.mp4ffmpeg -i output_vidCrp.mp4 -c:v h264 output_vidCrp.avidatamosh output_vidCrp.aviffmpeg -i out.avi -vf "fps=10, scale=-2:480" final_vidCrp.mp4rm output_vidCrp* out.avi}the dependency is "aviglitch", installed via npm, it provides the "datamosh" command
(DIR) Post #Ao35RsixM0fuAOkj8C by foone@digipres.club
2024-11-14T23:32:30Z
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@AAXSAPNDMF thanks!
(DIR) Post #Ao378dRq7rCNC9hGgS by whophd@ioc.exchange
2024-11-14T23:51:28Z
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@foone ooh we’re in my wheelhouse, this sounds funHave you even tried some ancient codecs from the MPEG-2 era, like Sorenson codec? Probably better just to go for H.261 instead.I think you went the wrong way by removing stereo — that makes it easier to maintain quality. (Same could be said for pixels instead of bitrate, I guess). Just go for all those joint-stereo hacks.Heh you’re not trying to reverse-engineer YouTube’s content ID by any chance? 🫠
(DIR) Post #Ao3BG7ZIw91KSJ0tSi by foone@digipres.club
2024-11-15T00:37:40Z
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@whophd nah, my roommate just wants me to give her a very shitty version of Armageddon (1998)
(DIR) Post #Ao3Ch5LBQZEfJqpVGS by stilescrisis@mastodon.gamedev.place
2024-11-15T00:53:45Z
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@foone I think 16kbit MP2 compression is what you are looking for.
(DIR) Post #Ao3IDtCC6Qneym5R32 by whophd@ioc.exchange
2024-11-15T01:55:40Z
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@foone ooooh petty? Like extremely geekily petty?I think the true benchmark is dialup video, as invented by RealPlayer / RealMedia. It might take one or two layers of emulation and/or pre-conversion to get it encoded, but I think an “.rm” file can still be opened by VLC VideoLAN28.8k dialup meant a 24kbps total stream, with about 16 for video and 8 for audio. The video would have been about 80x60 — and loads of macroblocking within that, not a GIF level quality — with a variable frame rate depending on “motion energy”, but a nominal (maximum) rate of 8fps. But often dropping to 1fps or 0.5fps when action got Their RealPlayer client did some fun motion blurring, “tweening” frames to make this limit less painful.
(DIR) Post #Ao3IhHpXagsFmQVaKm by whophd@ioc.exchange
2024-11-15T01:57:47Z
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@foone of course the 1-click solution would be to dive into China’s basement of VideoCD (VCD) collections from the 1990s and just buy the movie … though that’s still vaguely equivalent to “bad VHS”
(DIR) Post #Ao3IhIvFWx2DAQBes4 by foone@digipres.club
2024-11-15T02:01:02Z
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@whophd yeah! videocd was the first target I aimed for, actually.I then did "featurephone" and now I'm doing "just bad"
(DIR) Post #Ao3eJn6BsiIIncUvU8 by momo@social.linux.pizza
2024-11-15T06:03:13Z
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@fooneYou do know about everything! One of the fun things following you is seeing you doing everything. It's like "Okay, I want to grow some roses and I want a special color so I started sequencing the genome..."
(DIR) Post #Ao4Jwt1js2ZQbFB008 by vomithatsteve@musician.social
2024-11-15T13:49:40Z
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@foone my vote is the classic Alvin Lucier "I am sitting in a room" approach: run it through a convolution reverb set to 100% wetness a dozen times