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Any way to force frame rate? Audio sync issue on TC-L42E30

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jaywong

Serviio newbie

Posts: 2

Joined: Sun Nov 06, 2011 5:51 pm

Post Mon Nov 07, 2011 4:58 am

Any way to force frame rate? Audio sync issue on TC-L42E30

Hi guys,

I have a Panasonic TC-L42E30 and have SerViio 0.6.01 running on a Windows 7 32-bit PC.
I use the profile of "Manta WIFI Center" to transcode all videos to the TV through my 100Mbps LAN connection. Most of the videos transcoded by SerViio play smoothly on my TV, except a few. So I played around with my video encoding software. After everything's been ruled out, I found out that whenever I stream Mpeg2 videos that have a higher frame rate than 25fps, the audio tends to loose sync.
I looked at ffmpeg's documentation and it looks like it's possible to add a -r attribute in the command line to make it encode at a fixed framerate. So my ultimate question is this: Is it possible to make SerViio pass that attribute to ffmpeg so that it'll transcode all videos at my desired frame rate?
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Illico

User avatar

DLNA master

Posts: 4646

Joined: Fri Jul 23, 2010 8:08 am

Location: France

Post Mon Nov 07, 2011 8:16 am

Re: Any way to force frame rate? Audio sync issue on TC-L42E

jaywong wrote:... Is it possible to make SerViio pass that attribute to ffmpeg so that it'll transcode all videos at my desired frame rate?

Not implemented yet. topic moved to feature request.
Illico
Sony 2010 KDL-46EX501 | BDP-S373 | SMP-N100 | Windows 8-i7 | Network DD HD-CE1.5TLU2 | Livebox2-UHD86 | ServiiDroid | ServiiGo | BubbleUPnP
Serviio beta tester - Moderator
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Dibbs

Serviio newbie

Posts: 13

Joined: Sat Dec 21, 2013 4:21 pm

Post Sat Feb 15, 2014 3:03 am

Re: Any way to force frame rate? Audio sync issue on TC-L42E

Has this feature ever been implemented?

Thanks
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zip

User avatar

Serviio developer / Site Admin

Posts: 17215

Joined: Sat Oct 24, 2009 12:24 pm

Location: London, UK

Post Sat Feb 15, 2014 6:14 pm

Re: Any way to force frame rate? Audio sync issue on TC-L42E

No, it just keeps the original frame rate.
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grolschie

DLNA master

Posts: 695

Joined: Tue Jun 28, 2011 4:02 am

Post Sun Mar 23, 2014 12:20 am

Re: Any way to force frame rate? Audio sync issue on TC-L42E

It would be great if there was a field in the profiles in the transcoding sections where one could specify custom ffmpeg parameters. That would cover this request and possibly others.

Otherwise,it's possible for users to create a custom wrapper for ffmpeg that one can add extra FFMPEG parameters, but that would affect every device that accesses Serviio.
Using Serviio on Debian "Wheezy" with Xbox 360, Sony BDP-S370 & Panasonic E6.

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