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Chapters not working on random files on Shield.


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#21 ebr OFFLINE  

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Posted 11 April 2020 - 12:22 PM

Yeah, something with how these are encoded is a problem.  Perhaps @softworkz will have some clues...?

04-11 10:41:06.601 19150 19150 I System.out: *** Seeking to resume point
04-11 10:41:06.603 19150 19150 D EventLogger: seekStarted [eventTime=0.38, mediaPos=0.00, window=0, period=0]
04-11 10:41:06.604 19150 19150 D EventLogger: positionDiscontinuity [eventTime=0.38, mediaPos=1608.00, window=0, period=0, SEEK]



#22 argo33 OFFLINE  

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Posted 11 April 2020 - 12:52 PM

 

Yeah, something with how these are encoded is a problem.  Perhaps @softworkz will have some clues...?

04-11 10:41:06.601 19150 19150 I System.out: *** Seeking to resume point
04-11 10:41:06.603 19150 19150 D EventLogger: seekStarted [eventTime=0.38, mediaPos=0.00, window=0, period=0]
04-11 10:41:06.604 19150 19150 D EventLogger: positionDiscontinuity [eventTime=0.38, mediaPos=1608.00, window=0, period=0, SEEK]

I see.  Is that someone I have to reach out to or they will see your message?  Thanks for your help.  



#23 ebr OFFLINE  

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Posted 11 April 2020 - 12:58 PM

He'll chime into this thread when he gets a chance.

 

Thx.



#24 argo33 OFFLINE  

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Posted 11 April 2020 - 12:59 PM

He'll chime into this thread when he gets a chance.

 

Thx.

Cool.  Thank you.



#25 softworkz OFFLINE  

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Posted 12 April 2020 - 12:10 AM

MKV is a container format that provides a seek header which can be located at the start or the end of the file.

The seek header is a kind of a dictionary, indicating where certain time positions are located in the file (byte position).

 

When the contained streams have non-contiguous timestamps, that mechanism may fail.

A muxing tool should normally warn about this.



#26 ebr OFFLINE  

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Posted 12 April 2020 - 09:29 AM

So, in English :), the index in the header doesn't properly match the actual content?



#27 argo33 OFFLINE  

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Posted 12 April 2020 - 10:47 AM

So, in English :), the index in the header doesn't properly match the actual content?

Alright that makes sense to me for the most part, other than certain devices have no problem playing it.  So I go through these type of concert files and make chapters manually with MKVToolnix for each song.  
 
First, I don't know what the last nine "0"s are actually called (screenshot of chapters) but I just leave those at zero x 9 only really worrying about hours/mins/seconds.  Not sure if that is a problem or not.
 
Second.  For the last "End" marker on the last chapter, I leave that with nine "0"s as well.  I'm wondering if maybe that is a problem if it has to be exact.  Along that thinking, I just put the file into the Info Tool in MKVToolnix to find the exact duration which in this file is 03:13:42.144000000, changed my last chapter to have that end marker and saved.  Went and tried it on my Shield and still not working.  I'm not sure if just changing that and resaving it is enough to fix problems or if the whole chapter tree has to be done again.  I'm also not sure if that has anything to do with it at all :)
 
So I guess the obvious question is, how do I fix this?  I think I have this issue with other files if I recall but I think I thought it fixed itself when I tried it on another device but most likely they probably still aren't working on the Shield as that is not my only device that I've used with these files.  Help continually appreciated!  I'm still learning....

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#28 Luke OFFLINE  

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Posted 12 April 2020 - 11:24 AM

Try creating a new mkv with MKVToolnix. It may resolve it.



#29 argo33 OFFLINE  

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Posted 12 April 2020 - 11:36 AM

Try creating a new mkv with MKVToolnix. It may resolve it.

Okay I will create new file from master MP4.  I will mention I just ran it through the FFMPEG checker and got this:

 

[matroska,webm @ 0000012e825bdb40] Element at 0xdd03e8b9 ending at 0xdd04fd0e exceeds containing master element ending at 0xdd03e8b2

 

No clue what that means though.  



#30 Luke OFFLINE  

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Posted 12 April 2020 - 11:47 AM

Does it have the same chapter problem though?



#31 argo33 OFFLINE  

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Posted 12 April 2020 - 11:47 AM

Does it have the same chapter problem though?

Sorry wasn't clear.  I ran that on the OLD, non working file.  I'm making the new file and chapters now.  Will report back.



#32 argo33 OFFLINE  

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Posted 12 April 2020 - 12:15 PM

Did it all over from scratch.  Same problem.  I will say just for the hell of it I ran it through MKVToolnix having it make chapters every 5 seconds and that file works fine.  Super frustrated.

 

 

EDIT: 

 

I looked over the file that was made with automated 5 second chapters with MKVToolnix and noticed it didn't have any entries for "End" of the chapters so I deleted all the "End" markers on my new custom chapter times file to see if that would fix it but no go.  


Edited by argo33, 12 April 2020 - 12:28 PM.


#33 Luke OFFLINE  

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Posted 12 April 2020 - 12:37 PM

Glad to hear you at least figured out some solution.






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