[mythtv-users] VDPAU bug reports against 0.21-fixes (JYA pkgs)

Scott list-mythtv at bluecamel.eml.cc
Wed Nov 4 05:30:43 UTC 2009

On Nov 3, 2009, at 11:55 PM, Tortise wrote:

> ----- Original Message ----- From: "Jean-Yves Avenard" <jyavenard at gmail.com 
> >
> To: "Discussion about mythtv" <mythtv-users at mythtv.org>
> Sent: Wednesday, November 04, 2009 2:10 PM
> Subject: Re: [mythtv-users] VDPAU bug reports against 0.21-fixes  
> (JYA pkgs)
>> really run mythfrontend.real in gdb and wait for it to crash and  
>> see where this occurs.
>> until then, nothing can be done or looked at
> _______________________________________________
> I'm getting mixed messages here - is it time to move on - or is  
> there still interest and merit in tracking down bugs in 0.21?

I think the message is "I wonder what the problem is; doesn't mean  
it's worth fixing". I'm good with that. :)

So, a couple of things:

1) I didn't have my config setup proper for VDPAU at first. I was  
missing the correct profile settings. Now that it's setup correctly  
I'm playing back 1080i video with less than 5% cpu (no deinterlacer  
set) and 720P video with Advanced HW x2 with also less than 5% cpu.  
Very smooth and very nice.

2) It appears that the crashing I'm seeing relates to bringing up the  
OSD menu (m key) but not other OSDs like the INFO key. The bt looks  
like this:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xac510b90 (LWP 24639)]
---Type <return> to continue, or q <return> to quit---
0xb79ce99f in TV::BuildOSDTreeMenu () from /usr/lib/libmythtv-0.21.so.0
(gdb) bt
#0  0xb79ce99f in TV::BuildOSDTreeMenu () from /usr/lib/ 
#1  0xb79d152a in TV::ShowOSDTreeMenu () from /usr/lib/ 
#2  0xb79d6e39 in TV::ProcessKeypress () from /usr/lib/ 
#3  0xb79d8594 in TV::RunTV () from /usr/lib/libmythtv-0.21.so.0
#4  0xb79d9ebb in TV::EventThread () from /usr/lib/libmythtv-0.21.so.0
#5  0xb5ca64ff in start_thread () from /lib/tls/i686/cmov/ 
#6  0xb5afc49e in clone () from /lib/tls/i686/cmov/libc.so.6

3) I was able to get HDMI audio out working fine on this system but  
for live tv viewing I had to enable the option Settings -> TV Settings  
-> Playback -> General Playback -> Extra audio buffering. The rest of  
my audio options in Settings -> General -> Audio look like:

Audio output device: ALSA:default
Passthrough output device: Default
Max Audio Channels: Stereo
Upmix: Passive
AC3 audio upmixer - unchecked
Enable AC3 to SPDIF passthrough - unchecked
Enable DTS to SPDIF passthrough - unchecked
Agressive Sound card Buffering - unchecked
Use internal volume controls - unchecked

So, aside from the OSDTreeMenu segfaults it's a happy little box right  
now. No, these don't look like they have anything to do with VDPAU.

Scott <catfather at donpoo.net>
AIM: BlueCame1

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