Devices > Video Cards, Monitors, Televisions, and Projectors

Slow-downs - BD playback [RO STD issues on underpowered hardware]

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Hendrik:
If ROHQ in lowest settings works, and RO Standard did not, I might suspect some post-processing options in the ATI/AMD Catalyst Control Panel are active, and messing with the video.

We should really get a guide up how to disable these video processing options on various GPUs, since they like to mess with many people. Still hate AMD and Intel for turning them on by default.

JimH:
Could we offer to turn them off on the first install?

Hendrik:
Maybe. Need to research a bit on the issue. Also got some other ideas to improve the setup experience of video for the future.

6233638:

--- Quote from: ldoodle on February 02, 2014, 07:41:18 am ---I'm going to keep an eye on it, but for now: THANK YOU THANK YOU THANK YOU!
--- End quote ---
You're welcome. Hopefully that has sorted it then. :)


--- Quote from: ldoodle on February 02, 2014, 07:41:18 am ---Except my PC has just gone on to screen saver which caused both dropped and delayed frames - is that normal?
--- End quote ---
It's not normal for the screensaver to show up if the video was playing. (rather than paused)
There is a "Disable display from turning off" option under Tools > Options > Audio which might fix this.


--- Quote from: ldoodle on February 02, 2014, 07:41:18 am ---And finally, can I tweak madVR (step it back up again) to improve things or is how it is now still better than ROSTD?
--- End quote ---
As long as playback is smooth and the queues are full, you should be able to gradually start turning things back on in the "trade quality for performance" options, to the point at which the queues stop being close to full.
You may also be able to turn up the scaling quality  if playback is still smooth with those options disabled.


--- Quote from: ldoodle on February 02, 2014, 07:45:02 am ---Bitstreaming on
HDMI audio WASAPI
VideoClock off
--- End quote ---
Bitstreaming rather than using VideoClock should use less resources, but may introduce dropped/repeated frames during playback. (the madVR OSD will give you an estimate of how frequently it might happen)


--- Quote from: ldoodle on February 02, 2014, 07:45:02 am ---Windows desktop at 1024x768 (which I think is easier to read than 720p, so display settings in MC is unticked (as I assume it uses whatever the desktop resolution is set to?
--- End quote ---
Yes, it should use the desktop resolution if you aren't using the display mode switcher.
The madVR OSD will list this as "target rectangle" if you're fullscreen. In your previous screenshot, it's 0, 0, 1024, 768. (technically it's just the output size of the video - but if you're fullscreen that should match your resolution)

6233638:
Thinking about it some more, it might easiest to reset the madVR settings to their defaults rather than enabling options one-by-one. I think some of the newer "trade quality for performance" options are actually enabled by default, because they don't affect image quality much (if at all) but may introduce a big performance hit on some hardware.
 
To do this, run:
"%APPDATA%\J River\Media Center 19\Plugins\madvr\restore default settings.bat"
 
You will probably still have to turn down the scaler settings, but it might save you some time.
If playback is smooth, you might be able to increase the quality, if it is not, enable the "trade quality…" options one at a time, working from the top down.

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