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Forum: VirtualDJ Technical Support

Topic: some mp4 and flv videos won't play on 2020 x64 but will on x86

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ewitlesPRO InfinityMember since 2006
gang -

just build a lappy for a friend and she has win 10 x64 fresh install and for some silly reason, flv and some mp4 won't play via x64 pro - yet some mp4 files do play.

windows will play them so it does not appear to be a codec issue.

this does not happen using the x86 version of vdj pro.

thanks!
 

Inviato Sun 19 Jan 20 @ 2:06 am
ewitles wrote :

windows will play them so it does not appear to be a codec issue.


Not relevant, as VDJ 8 has always used its own onboard codecs. It doesn't use the OS ones (as VDJ 7 did).

[later]
I just tested here, and can play FLV on both 32 and 64 bit versions. Have you tried switching the videoUseDXVA setting?

 

Inviato Sun 19 Jan 20 @ 9:04 am
ewitlesPRO InfinityMember since 2006
tried both and no joy. :(
 

Inviato Sun 19 Jan 20 @ 1:29 pm
maybe these mp4 and flv files (which are just containers) use some non supported codec.

grab this free app and it will help you find out what makes the files different https://mediaarea.net/en/MediaInfo

example:
 

Inviato Sun 19 Jan 20 @ 1:35 pm
wickedmix wrote :
non supported codec.

Non-supported on the 64 bit version but supported on 32 bit???


 

Inviato Sun 19 Jan 20 @ 1:50 pm
how will anyone know what needs fixed if the malfunctioning codecs are not identified?
 

Inviato Sun 19 Jan 20 @ 4:19 pm
djdadPRO InfinityDevelopment ManagerMember since 2005
ewitles wrote :
... for some silly reason, flv and some mp4 won't play via x64 pro - yet some mp4 files do play....

Can you send us one of those files to test ?
Upload to a server and either post the link here, or PM me.

 

Inviato Mon 20 Jan 20 @ 1:28 pm


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