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B series has problems keeping time with transcoded files

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warpspeed

Streaming enthusiast

Posts: 24

Joined: Sun Mar 20, 2011 3:36 am

Post Tue Apr 05, 2011 10:12 am

B series has problems keeping time with transcoded files

This is a bit of an odd one, but I think I've found a bit of a pattern.

When I'm watching some files (particularly long transcoded files (DTS to AC3 MKVs)), my Samsung B Series TV seems to not keep time properly. It seems to count the seconds slow, and over the time of a movie it'll end up way behind. i.e. the movie will be at say 1h15m and the TV is displaying progress as 40m.

If I skip backward or forward, it takes me back to the 40 minute mark, then if I scan forward, it's fine.

It gets confused toward the end of the movie and sometimes I have to stop, start and fast forward back to that point.

Samsung PC Share Manager doesn't seem to have these issues. I'm wondering if Serviio is not feeding some form of time correctly to the TV.

This issue also doesn't seem to be apparent on short files that don't need to be transcoded (eg. TV eps)
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zip

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Serviio developer / Site Admin

Posts: 17076

Joined: Sat Oct 24, 2009 12:24 pm

Location: London, UK

Post Tue Apr 05, 2011 10:47 am

Re: B series has problems keeping time with transcoded files

It's related to FFmpeg and the way it remuxes into mpegts. This only happens with transcoded files.

Related ticket: https://bitbucket.org/xnejp03/serviio/i ... ranscoding
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warpspeed

Streaming enthusiast

Posts: 24

Joined: Sun Mar 20, 2011 3:36 am

Post Fri Apr 08, 2011 10:57 am

Re: B series has problems keeping time with transcoded files

zip wrote:It's related to FFmpeg and the way it remuxes into mpegts. This only happens with transcoded files.

Related ticket: https://bitbucket.org/xnejp03/serviio/i ... ranscoding


Thanks Zip, I tried to hunt down to see if there is a bug for this in FFmpeg and/or when they're going to fix it, but I couldn't find anything, do you know if they're going to fix that?
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zip

User avatar

Serviio developer / Site Admin

Posts: 17076

Joined: Sat Oct 24, 2009 12:24 pm

Location: London, UK

Post Fri Apr 08, 2011 10:59 am

Re: B series has problems keeping time with transcoded files

No, last time I checked was this thread: http://www.listware.net/201006/mplayer- ... specs.html

They need to implement m2ts (Bluray mpegts) muxer, hopefully that one will have timestamps correctly defined.
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warpspeed

Streaming enthusiast

Posts: 24

Joined: Sun Mar 20, 2011 3:36 am

Post Fri Apr 08, 2011 11:03 am

Re: B series has problems keeping time with transcoded files

zip wrote:No, last time I checked was this thread: http://www.listware.net/201006/mplayer- ... specs.html

They need to implement m2ts (Bluray mpegts) muxer, hopefully that one will have timestamps correctly defined.


Thanks, yeah, I saw that thread (followed the link from your bug). I did some more searching but couldn't find anything.

Hopefully they implement that soon.
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warpspeed

Streaming enthusiast

Posts: 24

Joined: Sun Mar 20, 2011 3:36 am

Post Sun Apr 17, 2011 6:53 am

Re: B series has problems keeping time with transcoded files

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zip

User avatar

Serviio developer / Site Admin

Posts: 17076

Joined: Sat Oct 24, 2009 12:24 pm

Location: London, UK

Post Sun Apr 17, 2011 12:12 pm

Re: B series has problems keeping time with transcoded files

That looks promising, but I'm not sure if it's been added to the code base yet.

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