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Old Jan 29, 2013, 06:06 PM   #1
JMEANS
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MP4Tools & 'overhead compression'

Dragged an MKV file H.264 into MP4Tools and got the 'may have overhead compression' pop up then prompted to proceed to fix. Anybody have this happen before and know what 'overhead compression' means in a file? Reason I ask is after it 'fixed' the issue it then could proceed to the remux file stage.
However the end result was an unplayable mp4... Confused to say the least. Any info would be great- Jim
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Old Jan 29, 2013, 06:14 PM   #2
lunaoso
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Try converting to mp4/m4v before using mp4tools. (Use handbrake) I'm pretty sure mp4tools needs a mp4/m4v file (hence the name). Not a mkv file.
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Old Jan 29, 2013, 06:21 PM   #3
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Thanks, but I use HB often and do not want to transcode on this file. I have success doing this but never got the pop- up before and wondered if anyone knew why. Thanks though
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Old Jan 29, 2013, 07:19 PM   #4
mic j
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Quote:
Originally Posted by lunaoso View Post
Try converting to mp4/m4v before using mp4tools. (Use handbrake) I'm pretty sure mp4tools needs a mp4/m4v file (hence the name). Not a mkv file.
Incorrect. mp4tools is used to convert mkv to mp4.

I know some mkv's use head compression and certain media players do not like it (WDTV, I think is the main one). But I don't think the aTV has any problem with header compression, so try it again, ignoring the message (if possible).
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Old Jan 29, 2013, 07:28 PM   #5
JMEANS
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Then there's hope! Thanks mic j I will try and report back tomorrow!
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Old Jan 29, 2013, 08:19 PM   #6
lunaoso
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Quote:
Originally Posted by mic j View Post
Incorrect. mp4tools is used to convert mkv to mp4.

I know some mkv's use head compression and certain media players do not like it (WDTV, I think is the main one). But I don't think the aTV has any problem with header compression, so try it again, ignoring the message (if possible).
Alright thanks for clarification. I honestly don't use mp4tools much, forgot it was a remuxer. Good luck OP.
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Old Jan 30, 2013, 01:22 PM   #7
JMEANS
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Worked like a charm with by NOT allowing MP4Tools DEcompressioning 'mic j' so thanks again for your great intel - Jim
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Old Jan 30, 2013, 01:38 PM   #8
mic j
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Worked like a charm with by NOT allowing MP4Tools DEcompressioning 'mic j' so thanks again for your great intel - Jim
Glad to help. By the way, are you using version 3.2.2?
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Old Jan 30, 2013, 07:20 PM   #9
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Yes thanks to you on a previous matter ! You rock man!
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