Mailing List Archive: MythTV: Commits

Ticket #6922: Prebuffering pauses with VDPAU on HD channels

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mythtv at cvs

Nov 11, 2009, 11:15 AM

Post #26 of 38 (1299 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

#6922: Prebuffering pauses with VDPAU on HD channels
-------------------------------------------+--------------------------------
Reporter: Christian Güdel <cg@…> | Owner: markk
Type: defect | Status: accepted
Priority: minor | Milestone: 0.22
Component: MythTV - Video Playback | Version: unknown
Severity: medium | Mlocked: 0
-------------------------------------------+--------------------------------

Comment(by anonymous):

I have changed videoout_vdpau.cpp vdpau buffers on line 18 TO:
10--> Didn't help
23--> Didn't help
32--> Didn't help
64--> Didn't help

im using mythtv 0.22 from the 0.22 fixes branch

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6922#comment:26>
MythTV <http://www.mythtv.org/>
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mythtv at cvs

Nov 11, 2009, 11:28 AM

Post #27 of 38 (1295 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

#6922: Prebuffering pauses with VDPAU on HD channels
-------------------------------------------+--------------------------------
Reporter: Christian Güdel <cg@…> | Owner: markk
Type: defect | Status: accepted
Priority: minor | Milestone: 0.22
Component: MythTV - Video Playback | Version: unknown
Severity: medium | Mlocked: 0
-------------------------------------------+--------------------------------

Comment(by stuartm):

can we keep discussion on the mailing list, the 'me too's aren't helping
they are just causing confusion because not everyone will be seeing the
same problem.

Some of you just need to allocate more memory to the IGP in the bios, just
because it can use UPTO 512MB doesn't mean it's configured to by default,
you really need at least 256MB allocated and it's recommended to use
whatever is the maximum for your system.

Mark, I'm thinking that we need to refuse vdpau on systems reporting
insufficient video ram with a loud warning to the logs.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6922#comment:27>
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mythtv at cvs

Nov 11, 2009, 11:38 AM

Post #28 of 38 (1299 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

#6922: Prebuffering pauses with VDPAU on HD channels
-------------------------------------------+--------------------------------
Reporter: Christian Güdel <cg@…> | Owner: markk
Type: defect | Status: accepted
Priority: minor | Milestone: 0.22
Component: MythTV - Video Playback | Version: unknown
Severity: medium | Mlocked: 0
-------------------------------------------+--------------------------------

Comment(by anonymous):

I have got 512 shared memory. I set it up in the BIOS I have testet this
on 2 diffrent hardware setups:
ASUS AT3N7A-I ION 2xAtom 1.6
AND GIGABYTE GA-E7AUM-DS2H
both have 512 shared memory enabled in BIOS

Kind Regards

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6922#comment:28>
MythTV <http://www.mythtv.org/>
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mythtv at cvs

Nov 11, 2009, 11:40 AM

Post #29 of 38 (1300 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

#6922: Prebuffering pauses with VDPAU on HD channels
-------------------------------------------+--------------------------------
Reporter: Christian Güdel <cg@…> | Owner: markk
Type: defect | Status: accepted
Priority: minor | Milestone: 0.22
Component: MythTV - Video Playback | Version: unknown
Severity: medium | Mlocked: 1
-------------------------------------------+--------------------------------
Changes (by robertm):

* mlocked: 0 => 1

Comment:

Replying to [comment:27 stuartm]:
> can we keep discussion on the mailing list, the 'me too's aren't helping
they are just causing confusion because not everyone will be seeing the
same problem.

Replying to [comment:28 anonymous]:
> I have got 512 shared memory blah blah

Nice job, anonymous.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6922#comment:29>
MythTV <http://www.mythtv.org/>
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mythtv at cvs

Nov 22, 2009, 10:03 PM

Post #30 of 38 (1210 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

mythtv at cvs

Jan 6, 2010, 10:01 PM

Post #31 of 38 (1122 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

#6922: Prebuffering pauses with VDPAU on HD channels
-------------------------------------------+--------------------------------
Reporter: Christian Güdel <cg@…> | Owner: markk
Type: defect | Status: accepted
Priority: minor | Milestone: 0.23
Component: MythTV - Video Playback | Version: unknown
Severity: medium | Mlocked: 1
-------------------------------------------+--------------------------------

Comment(by markk):

Following some further feedback and testing via irc, the ORIGINAL problem
appears to be slightly different h264 stream types.

When changing channel on the same source, the player code does not
recognise the streams as having changed as both are flagged as 1920x1080,
16:9 and h.264. One, however, uses MBAFF. I've attached a patch that
attempts to spot the change and recreate the decoder. Hopefully this will
be sufficient.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6922#comment:31>
MythTV <http://www.mythtv.org/>
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mythtv at cvs

Jan 27, 2010, 1:14 AM

Post #32 of 38 (978 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

#6922: Prebuffering pauses with VDPAU on HD channels
-------------------------------------------+--------------------------------
Reporter: Christian Güdel <cg@…> | Owner: markk
Type: defect | Status: infoneeded
Priority: minor | Milestone: 0.23
Component: MythTV - Video Playback | Version: unknown
Severity: medium | Mlocked: 1
-------------------------------------------+--------------------------------
Changes (by markk):

* status: accepted => infoneeded

Comment:

Christian

I've attached a revised patch that tries to detect the stream changes at a
low level and re-initialise the VDPAU device. I've tried testing using the
IPTV recorder and the 2 test clips you've sent me but the recorder
behavior is different and the existing code works.

I'd be grateful if you could post the full output of mythfrontend -v
playback - regardless of whether it works or not.

thnks, Mark

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6922#comment:32>
MythTV <http://www.mythtv.org/>
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mythtv at cvs

Jan 27, 2010, 1:18 AM

Post #33 of 38 (978 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

mythtv at cvs

Jan 27, 2010, 2:52 PM

Post #34 of 38 (963 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

mythtv at cvs

Feb 12, 2010, 2:40 PM

Post #35 of 38 (847 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

mythtv at cvs

Feb 26, 2010, 2:02 AM

Post #36 of 38 (732 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

mythtv at cvs

Feb 26, 2010, 2:03 AM

Post #37 of 38 (727 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

mythtv at cvs

Sep 13, 2010, 5:53 AM

Post #38 of 38 (273 views)
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Re: Ticket #6922: Prebuffering pauses with VDPAU on HD channels [In reply to]

#6922: Prebuffering pauses with VDPAU on HD channels
-------------------------------------------+--------------------------------
Reporter: Christian Güdel <cg@…> | Owner: markk
Type: defect | Status: closed
Priority: minor | Milestone: 0.24
Component: MythTV - Video Playback | Version: head
Severity: medium | Resolution: Won't Fix
Keywords: | Ticket locked: 0
-------------------------------------------+--------------------------------
Changes (by markk):

* status: accepted => closed
* resolution: => Won't Fix

Comment:

If this is still a problem in 0.24, please open a new ticket with up to
date logs.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6922#comment:38>
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MythTV Media Center
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