1.23.0 Slow rendering times (2 Viewers)

[doskabouter]

It's not consistent. and when I do alt-tab (to start some cpuz or something) most of the time the problem disappears, so it's really hard to diagnose.
Also tried madvr renderer but that didn't work for me...
Memory is something I didn't check the last times, it's worth a shot.
Although (to keep my marriage working ) I disabled the 24Hz in DRR for now.

 

[doskabouter]

Hm despite my good hopes, today it happened again... now with tv (50Hz). previous channel did require a refreshrate change, and played good, but 2nd channel (not requiring the change) had lots of dropped frames again. Vaguely remember rendertimes were normal(ish) but not sure about that.
Opening taskmanager to check memory (nothing strange) and latencymon (not even started scanning) solved the problem...
To be continued...

Edit: checking the logs for anything different between the good and playback didn't reveal anything

 

[Sebastiii]

Yes this is really weird !!!

 

[Hazza06]

Wanted to share i've also had a coupe of occurrence of the issue described in this thread, and for me, it happens rarely.

HTPC usage is a few hours every evening, quit MP each evening before putting HTPC to ACPI S3 sleep state.

If it happens again, i'll see if i can set logging = debug and generate zip file etc.

My system is

CPU Intel Core i3
16Gbyts DDR4 RAM
ATI HD5570 GPU ( running ATI catalyst 13.12 )
OCZ vertex 120GB SSD OS
Intel 1Tbyte SSD recordings
12Gbytes RAM disk for TV live TV timeshift disk
Hauppauge HVR-2200 dvb-t tuner
OS = Win 7 ultimate x64, completely upto date
LAV filters with dxva2 hardware decdoing.

 

[doskabouter]

Finally got around to testing a different videocard...
Unfortunately no real conclusion, the nvidia geforce 710 also has issues playing 24p, and sometimes also with 25p...
Tried various settings of hardware acceleration in LAV but there's no golden combi to play it all smoothly.

So all in all I reverted to my onboard intel haswell and disabled 24p again.
Only thing I could do is a complete fresh install, but that is for a different time

 

[doskabouter]

so, after a full evening of creating a fresh windows installation (with win7-64bit) the problem still persists.
I guess I have to learn to live with it...

 

[ajs]

Why not Win10?

-- Tapatalk | WBR, ajs

 

[doskabouter]

still haven't decided on that...

 

[ajs]

For me Win10 better than Win7...

-- Tapatalk | WBR, ajs

 

[Owlsroost]

From memory (it's a long time ago now!) when I did all the work on the dshowhelper.dll (running Windows 7), using DRR to switch to 24Hz could sometimes result in the 'long render time' problem you describe. Despite many hours spent trying to work out what was happening and trying various workarounds I gave up with that problem in the end - it looked like something went wrong sometimes inside the OS DWM (desktop window manager) when switching to low refresh rates like 24Hz using DRR. From what I remember 50 <-> 60Hz changes were normally OK.

My advice - switch to Windows 10 (I think the display handling is better than in Win 7), and don't use DRR unless you really need it.