video playback problem after stitching.   [SOLVED] - View the solution

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karimsaad
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video playback problem after stitching.

by karimsaad » Thu Mar 20, 2014 4:18 pm

Hello,

I have recently been experiencing a problem both on my macbook pro and iMac.
Once I finish stitching the movie, I can only view around 50 sec. After that, nothing, image freezes and the sound continue. When I open in Quicktime7, i receive this error: The movie cannot be opened. An invalid public movie atom was found in the movie.

Please help.

Thank you.
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Screen Shot 2014-03-14 at 9.51.30 AM.png
Quicktime error

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fishkreide
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Re: video playback problem after stitching.

by fishkreide » Thu Nov 27, 2014 9:53 am

I have the same problem ... I saw there's a reply on somebody's post in the french forum, but I don't speak french - help.

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Re: video playback problem after stitching.

by fishkreide » Thu Nov 27, 2014 9:57 am

... ah I forgot ... OsX 10.10.1, AVP 1.7.0, Mac pro

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martin.arnoux
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Re: video playback problem after stitching.

by martin.arnoux » Mon Dec 29, 2014 11:01 am

Hi Karim,

Have you tried the last versions of AVP & APG? Respectively 2.0 & 4.0?

Let me know if it solves your problem.

Cheers,

Martin

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Re: video playback problem after stitching.

by Smooth_Ascent » Thu Apr 23, 2015 8:04 pm

I have been having the exact same problem as these guys as well - the video render option in AVP is bugged to hell both on AVP 1.7 which I was using before and now again on 2.0 as I just bought the latest version last night.

As you can see from the images I have attached, the quicktime videos being produced by AVP are full of errors and adding an extra display bar to the quicktime control panel user interface.

As the others have also pointed out, the actual playback for the files dies after about 1 to 1 1/2 minutes into the playback where the video either slows to a crawl or goes to black entirely.

Please help as this is most annoying!

John
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flight_error_black.jpg
flight_error.jpg
luau_error_black.jpg
luau_error.jpg

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Re: video playback problem after stitching.

by Smooth_Ascent » Thu Apr 23, 2015 9:05 pm

Forgot to add my computer info - it's a brand new fully kitted out MacPro:
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macpro.jpg

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Re: video playback problem after stitching.

by martin.arnoux » Fri Apr 24, 2015 8:20 am

What are your render settings?

Make sure you fit in the level 5.1 -> http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels

Cheers,

Martin

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Re: video playback problem after stitching.

by Smooth_Ascent » Sat Apr 25, 2015 3:20 am

Yea, I did another render and saw that the FPS is getting all messed up for some reason - the original 360 footage was recorded @ 1440 resolution and 48 FPS on each camera but the render is skewing the FPS on the exported mp4 file way up.

Why would that be happening?
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quicktime_fps.jpg
rendewr_Fps.jpg

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Re: video playback problem after stitching.  [SOLVED]

by Smooth_Ascent » Sat Apr 25, 2015 7:00 am

So I did some more H.264 renders - one at 1920 x 960 and another at 3840 x 1920 but this time with the FPS in AVP set to "Preset" and not "as Original Video" and it seemed to have done the trick as both mp4 files are now playing properly as the correct FPS is now being assigned based on the output resolution.

Huzzah!
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avp30fps.jpg
avp48fps.jpg


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