[mythtv-users] VDPAU Current Status Report

[Mitch Gore]

On Thu, Jan 8, 2009 at 8:47 PM, Mark Kendall <mark.kendall at gmail.com> wrote:
> 2009/1/8 Mitch Gore <mitchell.gore at gmail.com>:
>> Ok so after doing a bunch of trial and error here is what i get.
>>
>> using r19597 driver 180.16
>
> Sorry for the delay - I missed this for some reason yesterday. Clearly
> you probably need to upgrade to 180.22 now - although I wasted an hour
> of my life getting it to install this morning!
>
>> Using Advanced 2x HW is completely un-watchable.  Moving to Bob2x is
>> better but here are the results.
>>
>> All samples are OTA HD in 1080i or 720p.  I have my profiles set up if
>> that video is 720 deinter. are set to none.  If 1080i use Bob.
>>
>> when playing HD from 1080 or 720 it works fine.
>>
>> BUT when watching a SD recording (still OTA digital) I get a strange
>> ghosting look.  The video doesnt studder but its like there is a 3 or
>> so frames over the top of the current one.
>> Here is the log:
>> 2009-01-07 22:08:45.293 NVP(3): LoadFilters(''..) -> 0x0
>> 2009-01-07 22:08:45.297 OSD Theme Dimensions W: 640 H: 480
> snip
>> 'video_output' mean = '33363.13', std. dev. = '398.73', fps = '29.97'
>> 'video_output' mean = '33363.22', std. dev. = '327.19', fps = '29.97'
>
> I've not seen this at all -  check the newest driver. Have you tried
> changing the scan while it's playing? are the fields reversed?
>
>>
>> At random times when playing a video i get a black screen, no audio or
>> video; to recover i must kill frontend:
> snip
>> 2009-01-07 22:05:25.671 VideoOutputXv: InitSetupBuffers() render:
>> vdpau, allowed: vdpau
>> Xlib: unexpected async reply (sequence 0x2c)!
>> Xlib: sequence lost (0x10000 > 0x2c) in reply type 0x0!
>> X Error: 0 0
>>  Major opcode: 0 ()
>>  Resource id:  0x0
>
> Again, not something I've seen but, as you're probably aware, there
> are ongoing issues with x crashes in recent trunk. This may not be
> entirely vdpau related. Also possibly related to other blank screen
> issues.
>
> If it persists, raise a ticket with full -v playback logs etc.
>
>> Some times It will play audio but no video; to recover i can escape key out.:
>> 2009-01-07 22:07:25.601 VideoOutputXv: DiscardFrames() 3:
> snip
>> 'video_output' mean = '33363.22', std. dev. = '327.19', fps = '29.97'
>
> Plenty more discussion on the list about this. I don't think it's
> going to go away in a hurry - I suspect there is a proper workaround
> but debugging it is tricky.
>
> For me it happens if I swtich to another window, or more annoyingly,
> if something else on the desktop takes the focus during playback.
>
>> Looking through these sample I cant really see any issues with the
>> ghosting.  You guys see anything?
>
> Definitely try the new driver. Is it some odd video resolution?
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Tried new driver to night same results.

-- 
Mitchell