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Burning in subs causing playback start to be slow


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Posted

I've been trying out Emby v4.3.1.0  and when it works I'm impressed. The problem is getting it to work.  Why does it take over two minutes before the video on the server starts playing?  I have opened my HTTP port 8096 in my firewall.  Do I need to portforward my router or anything?

Posted

I sent a log at 14:16 GMT with username naszdom

 

I picked a  1 hr video at random.  As always there is a long delay before there is a flash of the video then the wheel returns for another short delay before it plays.

 
Posted

Hi.  An ffmpeg log on your server should have also been created.  Can we please see that?

 

It looks like it is burning in or extracting subtitles which is probably what is holding it up.

 

You can also try adjusting the "Extract Subtitles on the fly" option in the server.

Posted

For some reason I appear to have two logs for this.
 
The one ending 5a_1 was timed at 14:08
And the one ending 60_1 was timed at 14:09
 
Is this the flash I see?  It crashes and then starts again?
 
I have tried unticking Allow subtitle extraction on the fly but there is still the delay in starting.  On the other hand the subtitles look exactly the same as before, so I might as well leave it unticked.

ffmpeg-transcode-a737a5c3-4a48-4926-98ed-fcadfbebad60_1.txt

ffmpeg-transcode-a392360d-4afb-4934-8e35-342f5346b05a_1b.txt

Posted

Hi, try using external subtitles or no subtitles at all and I think you will see faster starting performance.

Posted

And then one of us at least will not understand what is being said or are you suggesting start pause and then enact subtitles.

Posted

I'm suggesting that external subtitles will perform better.

Posted

Yes it is certainly a lot quicker.  Unfortunately a lot of our videos have two sets of subtitles (one set burnt in) and although the server reads external ass/ssa subtitles it ignores the formatting information such as colour and most importantly vertical position,

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