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H264 to FLV starts in the middle and skips

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Sarah Clark
H264 to FLV starts in the middle and skips
on Mar 10, 2009 at 5:42:04 pm

It was recommended to me to take my H264 .mov and change the file extension to .flv. When I do this I'm having a problem with my video starting in the middle and skipping when it's is loading and playing for the first time. Any suggestions?

Thanks,
Sarah

Sarah Clark
Medium Rare NYC


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Daniel Low
Re: H264 to FLV starts in the middle and skips
on Mar 10, 2009 at 11:05:02 pm

http://forums.creativecow.net/readpost/20/861761



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Chris Blair
Re: H264 to FLV starts in the middle and skips
on Mar 11, 2009 at 1:50:59 am

I believe you need to inject the .flv metadata into the file so the flash player recognizes the length of the file, frames per second etc. Adobe Flash can do it I believe, and there are some shareware programs that can do it if you don't have that and don't know how.

Here's one we've demo'd and it works...but I only tried one file and didn't extensively test the results. It will put a watermark and an ad link on your file until you buy the software, but you can see if it solves your problem. It's Windows only I think:

http://www.any-flv-layer.com/flv_player/flv_player_converter_mp4.html

We recently had the same problem with a quicktime/H264 file. It just wouldn't play correctly without injecting the FLV tags in the file.

Here's a link that explains in simple terms what metadata is and why it's important for flash video.

http://www.easyflv.com/kb/flv-metadata.php

Recent versions of Flash say they support Quicktime/H264 natively, but we haven't been able to get any of them work without going through the above step. I've read you can change the extension from .mov to .mp4 and it'll work, but thta didn't work for us in the case above. The movie kept stopping about 10 seconds in and wouldn't start back up.

Chris Blair
Magnetic Image, Inc.
Evansville, IN
http://www.videomi.com


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