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Slow framerate playback in Pro trial using Quicktime

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Shane French
Slow framerate playback in Pro trial using Quicktime
on Jan 9, 2014 at 10:50:31 pm

Am evaluating CatDV won Win 7. I';m having an issue with playback of h.264 files. The framerate is slow (guestimate 12-15 fps) within CatDV. Have tried regular and protected mode player within CatDV, same slow result.

Playing same files in standalone Quicktime Player works fine, video is smooth.

Now, I have realized that if QT's audio playback is set to anything other than 16-bit 44.1, the player exhibits the same issues. Who knows why (of course, the same files play fine in all other apps). Does CatDV force playback at a different audio setting? Could explain the issue I suppose.

Additionally, playback is smooth within CatDV using Directshow, etc...but it causes VERY frequent crashes (can provide error log if anyone wants to look at it).

This is a fresh install of Win 7 64-bit. nVidia GTX680.

Hoping I can get one of the two options working satisfactorily!

Thanks,

Shane


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bryson jones
Re: Slow framerate playback in Pro trial using Quicktime
on Jan 11, 2014 at 1:41:15 am

Shane, are the files on a local drive or on a network?

There are many issues with QT files playing over a network on Win.

(You might search here for UNC path issues.)

Hope that helps.

bryson

bryson "at" northshoreautomation.com

northshoreautomation.com


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Shane French
Re: Slow framerate playback in Pro trial using Quicktime
on Jan 11, 2014 at 2:33:55 am

Hey Bryson,

Nope, they're on a locally attached SAS RAID - blazing fast.

Thanks,

Shane


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Charlie Langrall
Re: Slow framerate playback in Pro trial using Quicktime
on Jun 2, 2014 at 10:24:43 am

Was this issue resolved? I'm also seeing slow/hitchy playback of h.264 proxies in CatDV Pro 10.1.1 on Windows 7 (not a trial version). The same proxies play smoothly in QuickTime Player, Windows Media Player and they work as expected in the web client.

-Charlie Langrall


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