One thing you are not taking into account is that you are mixing Long GOP
footage (HDV) with regular I frame footage. You are asking the software to
do several conversions at once. In addition to doing your transcode to
your new codec, Avid (or QuickTime ?) must figure out the cadence and
create the frames that don't really exist in the source footage.
Curious if it works any better if you just transcode the HDV footage first.
Leave the others in their original format.
On Thursday, December 22, 2011, Roger <rogershuff@yahoo.co.uk> wrote:
> I just tried this (mix of AMA 1080i50, AMA 720p25 and SD 25i) and it
failed, as you say. I transcoded to 1080i DNXHD120 and the exports were
fine.
>
> On 21 Dec 2011, at 17:54, Jay Mahavier wrote:
>
>> Ok, so now that I've got this sequence cut together using clips that are
in MCv6 using AMA I need to get it out to a QT. Preferably PhotoJPEG high
quality. But when I try to export it fails. Some of the AMA source is Apple
Intermediate. Some h.264. Some HDV. Some PhotoJPEG. Some is SD, some is HD,
etc etc. The audio is a mix of audio from the AMA clips and some imported
MXF audio.
>>
>> So I thought it may be one of the codecs of the source clips. So I start
dumping various sources from the sequence and it almost always ends up
failing. The only thing that seems to help is breaking it down in to 1 min
pieces. And then it sometimes will export.
>>
>> Now if I do a video/audio mixdown then it's all ok. Is there a know bug
with exporting from sequences with AMA sources in them that I missed? Or am
I just doing something wrong?
>>
>> So far I'm very underwhelmed with AMA. Extremely underwhelmed.
>>
>> Thank you,
>> Jay
>>
>>
>
> With best wishes,
> Roger Shufflebottom
> rogershuff@yahoo.co.uk
> +44 7973 543 660
>
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
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>
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>
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