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Subject: Re: [AE] looping player
From: Brian Maffitt <brian@totaltraining.com>
In-Reply-To: <list-4950956@media-motion.tv>
Date: Tue, 15 Jan 2013 10:15:43 -0500
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Message-Id: <CD7C2AE7-DA86-4E58-9FBD-BB8D4B52280E@totaltraining.com>
References: <list-4950956@media-motion.tv>
To: "After Effects Mail List" <AE-List@media-motion.tv>

Can you set up the loop correctly, pre-comp, and the time-remap the =
precomp to an even number of frames?

> You are correct about the uneven number of frames.  I animated a logo =
on a flag using Zaxwerks Flag 3.0.1.  They introduced a "seamless loop" =
function in version 3. It doesn't work as advertised.  Not for me so =
far, anyway. =20
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> I spent about 5 hours trying to get my animation to loop perfectly, =
trying various loop points and durations.
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> I didn't get a seamless loop when I had my duration set to 10 sec. =
exactly, but I did have success making it 10:01 (at 29.97 fps).
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> So=85 back to the drawing board.  I'll try again making it 10:00 =
exactly.  Maybe I'll have better luck at a non-fractional frame rate, =
too.
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> Rick, thank you very much for the insight.
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> Jim=20
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> On Jan 15, 2013, at 9:00 AM, Rick Gerard wrote:
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>> I would bet that you've got an uneven number of frames. h.264 uses =
IBP
>> frame sequences and your clip's length is probably off by a frame or
>> two so the compression scheme is repeating a frame to make up the
>> difference. You'll have to exactly match the IBP sequence to prevent
>> the duplicate frame by shifting the length of your loop a frame at a
>> time until it works. Someone may know the cadence of your compression
>> scheme but Wikipedia was no help at all for me.
>>=20
>> There are other formats that will playback on a windows machine. You
>> could try that or you can try shifting the loop point a frame at a
>> time until you get to the right number of frames.
>>=20
>> +---End of message---+
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> +---End of message---+
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