Tuesday, October 29, 2019

[Avid-L2] Black Magic Express Stutters on H_264 playback?

 

I make my screeners and ProResHQ 1920_1080 files using Adobe Media Encoder 2018.  I make H_264s out of AME the .mp4.  I then use MP4to QT from VideoToolShed to make them .mov.  Then I use QT Change also from VideoToolShed to add time code that gets lost through the AME step.  The sources are DCI 4096_2160 ProResHQ.  I found that playing back the the resulting .mov screener files in Black Magic Express through my Avid DNxIO the H_264 .mov files stutter while the audio plays fine.  The HD 1920_1080 plays fine.  Does Black Magic Express not like H_264s?  That seems weird to me given we have an older BM card in our ProTools room that plays H_264s all the time.

Anybody seen poor H_264 performance with Black Magic Express?

John Moore Barking Trout Productions Studio City, CA bigfish@pacbell.net

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Posted by: John Moore <bigfish@pacbell.net>
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this is the Avid-L2

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