From: "Robert Kjettrup" <AE-List@media-motion.tv>
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In-Reply-To: <list-7127227@media-motion.tv>
References: <list-7127227@media-motion.tv>
Date: Tue, 14 Aug 2018 13:25:25 +0200
Message-ID: <CA+0KRdtezqW+oCiryJMDZj+oUskPRZeAeygOn5q6x522Hy0XKQ@mail.gmail.com>
Subject: Re: [AE] No video with certain ProRes files in AE
To: After Effects Mail List <AE-List@media-motion.tv>
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Hi Byron

a bit late to this, but in the past it was possible to have have QT (and
probably also FCP) generate mov files with multiple Prores flavours in one
file, so a file can contain a Prores444+HQ+Proxy at various points. And
with the newish native Prores reader in Adobe there can be trouble reading
those files. The exact same can happen with DNxHD files generated from Avid
MC using the video passthrough export option (Same as Source) and the
native DNxHD/HR reader in Adobe.

I havnt seen this in a while so i dont know if it has been fixed or i just
havnt encountered these files recently. But this is my educated guess you
are seeing here.

Robert

2018-08-03 15:52 GMT+02:00 Byron Nash <AE-List@media-motion.tv>:

> My IT department just pulled the plug on all things Quicktime for the
> windows machines. Most of the ProRes files still play back fine in AE and
> PPro. However, there are certain ones that only play the audio. The video
> track is not showing up. I can play them back with Scratch player so I know
> the files are good. I cannot figure out what the difference is between
> certain ProRes files that makes some play and some not. The Mac's have no
> issues. And I didn't have any issues before the QT drivers were removed.
>
> Thanks!
>

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<div dir=3D"ltr">Hi Byron<div><br></div><div>a bit late to this, but in the=
 past it was possible to have have QT (and probably also FCP) generate mov =
files with multiple Prores flavours in one file, so a file can contain a Pr=
ores444+HQ+Proxy at various points. And with the newish native Prores reade=
r in Adobe there can be trouble reading those files. The exact same can hap=
pen with DNxHD files generated from Avid MC using the video passthrough exp=
ort option (Same as Source) and the native DNxHD/HR reader in Adobe.</div><=
div><br></div><div>I havnt seen this in a while so i dont know if it has be=
en fixed or i just havnt encountered these files recently. But this is my e=
ducated guess you are seeing here.</div><div><br></div><div>Robert</div></d=
iv><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">2018-08-03 15:=
52 GMT+02:00 Byron Nash <span dir=3D"ltr">&lt;<a href=3D"mailto:AE-List@med=
ia-motion.tv" target=3D"_blank">AE-List@media-motion.tv</a>&gt;</span>:<br>=
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">My IT department just pulle=
d the plug on all things Quicktime for the windows machines. Most of the Pr=
oRes files still play back fine in AE and PPro. However, there are certain =
ones that only play the audio. The video track is not showing up. I can pla=
y them back with Scratch player so I know the files are good. I cannot figu=
re out what the difference is between certain ProRes files that makes some =
play and some not. The Mac&#39;s have no issues. And I didn&#39;t have any =
issues before the QT drivers were removed.=C2=A0<div><br></div><div>Thanks!=
</div></div>
</blockquote></div><br></div>

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