Mailing List Archive: MythTV: Dev

Re: [mythtv-commits] Ticket #6922: Prebuffering pauses with VDPAU on HD channels

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pstehlik at sophics

Oct 23, 2009, 8:55 AM

Post #1 of 3 (384 views)
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Re: [mythtv-commits] Ticket #6922: Prebuffering pauses with VDPAU on HD channels

MythTV píše v Pá 23. 10. 2009 v 15:30 +0000:

> David: Can you try if disabling Hyperthreading on the ION makes any
> difference for you?

I can confirm stuttering with ZDF HD on X2 5200+ (=without
hyperthreading). Other HD channels on 19E2 work fine. I think with
software decoding it didn't stutter. Might be related to nVIDIA driver
version as I use a relative old one.

Petr

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mtdean at thirdcontact

Nov 2, 2009, 10:45 AM

Post #2 of 3 (267 views)
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Re: [mythtv-commits] Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

On 11/02/2009 11:47 AM, MythTV wrote:
> #6922: Prebuffering pauses with VDPAU on HD channels
>
...
> - The other thing is the problem with current (german) 720 p channels Arte
> HD, Das Erste HD, ZDF HD and EinsFestivalHD. What I can see here that I
> get to little frames. When starting mythfrontend with -v playback I can
> see only 42 fps and not 50 fps (720p[at]50). So the video must jump to follow
> audio? I have recordings from EinsFestivalHD with same content from
> 09/17/2009 (OK with 50 fps) and 01/11/2009 (not OK, 42 fps not constant).
> I am sure that "they" have changed anything on the codec-parameters. This
> problem is important because I cant watch the recordings. But I can watch
> it with mplayer.
>

Is "the other thing" the same as what's described by #7481? If so,
please add a comment referring to that ticket.

Thanks,
Mike
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cg at dmesg

Nov 4, 2009, 9:42 AM

Post #3 of 3 (217 views)
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Re: [mythtv-commits] Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

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On 02.11.2009, at 19:45 , Michael T. Dean wrote:

> On 11/02/2009 11:47 AM, MythTV wrote:
>> #6922: Prebuffering pauses with VDPAU on HD channels
>>
> ...
>> - The other thing is the problem with current (german) 720 p
>> channels Arte
>> HD, Das Erste HD, ZDF HD and EinsFestivalHD. What I can see here
>> that I
>> get to little frames. When starting mythfrontend with -v playback I
>> can
>> see only 42 fps and not 50 fps (720p[at]50). So the video must jump to
>> follow
>> audio? I have recordings from EinsFestivalHD with same content from
>> 09/17/2009 (OK with 50 fps) and 01/11/2009 (not OK, 42 fps not
>> constant).
>> I am sure that "they" have changed anything on the codec-
>> parameters. This
>> problem is important because I cant watch the recordings. But I can
>> watch
>> it with mplayer.
>>
>
> Is "the other thing" the same as what's described by #7481? If so,
> please add a comment referring to that ticket.
>

I can definitly say that arte HD is fine with 0.21 and 0.22-rc2
software decoding, and it's not with VDPAU.

- --
Christian Güdel
<cg[at]dmesg.ch>

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