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After Effects MTS (86::1)

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Jan Peťovský
After Effects MTS (86::1)
on Dec 17, 2009 at 10:13:15 am

Hi.. I have a problem with MTS file open in After Effects. it writes me error (86::1).

File "00127.MTS" cannot be opened, it may be in an unsupported format.

I have AE CS4 updated to version I was try install some avchd codecs.
I was surprised by this error because everything works fine until I was open my After Effects today and this error shows. Even if I open my projects I have worked on sooner. This error appear and MTS file cannot open.

I don't know what to do. I will be grateful for each replied.
sorry for my english.

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Michael Szalapski
Re: After Effects MTS (86::1)
on Dec 17, 2009 at 2:32:20 pm

You do not want to do what you're trying to do. AVCHD utilizes MPEG-4 AVC/H.264 (AVC) video compression codec.
From the incomparable Dave LaRonde:
Dave's Stock Answer #1:

If the footage you imported into AE is any kind of the following -- footage in an HDV acquisition codec, MPEG1, MPEG2, mp4, m2t, H.261 or H.264 -- you need to convert it to a different codec.

These kinds of footage use temporal, or interframe compression. They have keyframes at regular intervals, containing complete frame information. However, the frames in between do NOT have complete information. Interframe codecs toss out duplicated information.

In order to maintain peak rendering efficiency, AE needs complete information for each and every frame. But because these kinds of footage contain only partial information, AE freaks out, resulting in a wide variety of problems.

You need to use your favorite encoder (Adobe Media Encoder is a good one) or your editing software to export/render/encode your video as a different kind of file format such as a Quicktime movie.

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

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