2012-08-31, 11:45
Hi all -
I'm looking for some feedback from AMD Fusion (E350 - E450) owners who are using the pre-Frodo nightlies (since Audio Engine) with WASAPI audio output.
Here's the issue. I've been searching like mad and still no solution...
My audio is connected via optical SPDIF to a DD/DTS 5.1 receiver. I use WASAPI.
My TV is a Panasonic HDTV capable of 23/24/50/59/60 Hz, up to 1080p.
I'm using true full screen, auto change refresh, sync playback to display, DXVA rendering, hardware decoding enabled...
When my TV is at 50 Hz and I play 25fps PAL video (typically progressive DVD or a European Bluray rip at 25fps - yes they exist but are rare), I'm getting heavy stutters, I notice a lot of missed vblanks and I see the fps rate "dancing" around 25, but it's not steady.
The log is filled with discontinuity errors.
I tried with deactivating all Video quality enhancements in CCC. Nothing made a change.
Then I found a number of ways to get around it and get smooth video:
1. using DirectSound instead of WASAPI
2. forcing deinterlacing (to fps = 50) and everything stabilizes at 50fps
3. prior to launching XBMC, I open CCC, apply the xbmc preset and leave it open(!). Then launch XBMC, everything works perfect. From the moment I close CCC, XBMC does stutter again in the above situation.
Especially the latter, I don't understand. That is also why I had some trouble identifying the right setting in CCC, simply because whatever I tried made it work, but only for as long as I left CCC open. I found that actually having it open solves the issue, but as soon as you close CCC, the issues come back.
Any thoughts or ideas?
regards, Voyager-xbmc
I'm looking for some feedback from AMD Fusion (E350 - E450) owners who are using the pre-Frodo nightlies (since Audio Engine) with WASAPI audio output.
Here's the issue. I've been searching like mad and still no solution...
My audio is connected via optical SPDIF to a DD/DTS 5.1 receiver. I use WASAPI.
My TV is a Panasonic HDTV capable of 23/24/50/59/60 Hz, up to 1080p.
I'm using true full screen, auto change refresh, sync playback to display, DXVA rendering, hardware decoding enabled...
When my TV is at 50 Hz and I play 25fps PAL video (typically progressive DVD or a European Bluray rip at 25fps - yes they exist but are rare), I'm getting heavy stutters, I notice a lot of missed vblanks and I see the fps rate "dancing" around 25, but it's not steady.
The log is filled with discontinuity errors.
I tried with deactivating all Video quality enhancements in CCC. Nothing made a change.
Then I found a number of ways to get around it and get smooth video:
1. using DirectSound instead of WASAPI
2. forcing deinterlacing (to fps = 50) and everything stabilizes at 50fps
3. prior to launching XBMC, I open CCC, apply the xbmc preset and leave it open(!). Then launch XBMC, everything works perfect. From the moment I close CCC, XBMC does stutter again in the above situation.
Especially the latter, I don't understand. That is also why I had some trouble identifying the right setting in CCC, simply because whatever I tried made it work, but only for as long as I left CCC open. I found that actually having it open solves the issue, but as soon as you close CCC, the issues come back.
Any thoughts or ideas?
regards, Voyager-xbmc