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I have a project in Premier Pro that is basically just stitching together a series of videos from a helmet camera into one video that is 4 hours 30 long. In Premier pro all looks good and I can watch the video in the preview window no problem at all.

The exported video is different though. It is fine up to about 3:26 but then it doesn't play. In windows media player I get an error if I try to move the play head past this point. The video was uploaded to youTube here:

and you can see that it just removed the end of the video.

Is there some sort of limit on H.264 video length? I highly doubt that!

What can I do to start debugging what is going on here?

Thanks

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The first place I would look would be in the encoder log files. If you used Adobe Media Encoder you will find the log files here:

Windows 7 & 8:

C:\Users\[user]\Documents\Adobe\Adobe Media Encoder\8.0\AMEEncodingLog.txt

Mac OS:

/Users/[user]/Documents/Adobe/Adobe Media Encoder/8.0/AMEEncodingLog.txt

To view the log file, choose File > Show Log or press CTRL + L.

There are two log files:

  1. AMEEncodingLog.txt - for successfully encoded jobs

  2. AMEEncodingErrorLog.txt - for jobs that failed, or were stopped by the user

See the help: https://helpx.adobe.com/media-encoder/using/log-files.html

Check the last entry in each log file and see if your video was encoded correctly.

  • If the log file points to an encoding error, investigate that
  • If the log file indicates no error then attempt to play the video in a different media player and see if the problem still persists

I use VLC media player because I've found it to be most reliable. There is also a debugging console in VLC that can be useful.

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