01-04-2020, 16:11
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#1
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cf.mega poster
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Video CODEC advice
Rather than the usual H.264 codec, a lot of mp4 and webm vids being sent to me report they are using "bipolar" as their codec.
Trying to convert any of these files results in an error or a tiny file (around 6kb). That is local conversion or online conversion.
I use the K-Lite Mega pack of codecs, but the name "bipolar" doesn't exist in it's listings.
Oddly though, VLC media player can play the original files, though trying to upload them to Facebook or Youtube returns an error.
Any video experts here?
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01-04-2020, 18:17
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#2
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CF Resident Dog
Join Date: Mar 2005
Posts: 14,264
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Re: Video CODEC advice
I've never heard of bipolar!
What player are you using?
Give VLC Player a go in case that supports it as it is one of the most popular and best.
edit
I see your already tried VLC.
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Last edited by SnoopZ; 01-04-2020 at 18:22.
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01-04-2020, 18:21
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#3
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NUTS !!
Join Date: Apr 2006
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Re: Video CODEC advice
Same here. Never heard of that codec. Try uninstalling all codecs, then install VLC, MPC, AC3filter codec and go from there.
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01-04-2020, 18:22
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#4
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Perfect Soldier
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Re: Video CODEC advice
Start playing the video in VLC and then look at the properties. Might give a clue?
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01-04-2020, 19:44
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#5
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Re: Video CODEC advice
Quote:
Originally Posted by Taf
Rather than the usual H.264 codec, a lot of mp4 and webm vids being sent to me report they are using "bipolar" as their codec.
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I dont think there is such a codec, Ive never heard of it either.
What information does MediaInfo show for them ?
https://mediaarea.net/en/MediaInfo/Download
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01-04-2020, 20:13
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#6
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Re: Video CODEC advice
First is the info from Freemake Converter, where it says "bipolar" is normally where H.264 appears.
Last edited by Taf; 01-04-2020 at 20:18.
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01-04-2020, 20:24
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#7
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Re: Video CODEC advice
As MediaInfo shows, the Video is AV1, and the audio is Opus.
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01-04-2020, 20:25
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#8
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laeva recumbens anguis
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Re: Video CODEC advice
Doesn’t appear on their supported formats list.
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01-04-2020, 20:46
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#9
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Re: Video CODEC advice
I have now tried 26 online converters and they all crash, give errors or return tiny 6kb files that don't open, in any format I select.
Maybe it's not the internal codec but the mp4 wrapper?
Incidentally I already have the Win10 codec for AV1 https://www.microsoft.com/en-us/p/av...ot:overviewtab
Last edited by Taf; 01-04-2020 at 20:51.
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02-04-2020, 00:32
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#10
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Re: Video CODEC advice
FFMPEG might, but I dont have any files of that format to test.
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02-04-2020, 12:25
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#11
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cf.mega poster
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Re: Video CODEC advice
Quote:
Originally Posted by Paul
FFMPEG might, but I dont have any files of that format to test.
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Here is a short one. I need to convert it to AVI for editing in VirtualDub.
Freemake converter describes it as "bipolar", but also that it has no audio.
It opens perfectly in VLC and others, but will not convert or be accepted for uploading to Facebook or Youtube.
It failed....
Ho hum, even this forum will not allow it to be uploaded, "Invalid file" 
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02-04-2020, 12:31
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#12
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Sad Doig Fan!
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Re: Video CODEC advice
Quote:
Originally Posted by Taf
Here is a short one. I need to convert it to AVI for editing in VirtualDub.
Freemake converter describes it as "bipolar", but also that it has no audio.
It opens perfectly in VLC and others, but will not convert or be accepted for uploading to Facebook or Youtube.
It failed....
Ho hum, even this forum will not allow it to be uploaded, "Invalid file" |
I did pm you my email to send one over but you don't seem bothered.
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02-04-2020, 13:44
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#13
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Perfect Soldier
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Re: Video CODEC advice
zip it up. The forum allows zipped files up to 1MByte and RAR files to 3.9MByte as attaches.
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History is much like an endless waltz: The three beats of war, peace and revolution continue on forever.
However history will change with my coronation - Mariemaia Khushrenada
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02-04-2020, 16:36
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#14
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cf.mega poster
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Re: Video CODEC advice
Quote:
Originally Posted by heero_yuy
zip it up. The forum allows zipped files up to 1MByte and RAR files to 3.9MByte as attaches.
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Winzip, 7 zip and Winrar all produce zipped files that this site report as "invalid" but within size limits. 
But if I extract the file, it runs perfectly in VLC.
Last edited by Taf; 02-04-2020 at 16:50.
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02-04-2020, 18:55
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#15
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cf.mega poster
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Re: Video CODEC advice
Second try..
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