Re: Higher Fidelity Video with Pixel Shaders in WPF

Awesome! Thanks for providing some easy means of finally working around that stupid video decoder/driver issue.

Re: Higher Fidelity Video with Pixel Shaders in WPF

Unfortunately it will be always reducing the quality when there are extra (unnecessary) calculations done. That lost resolution should be visible as banding on color fills.

So, the correct "fix" for such bug is still to use the driver level settings to disable the first conversion.

Re: Higher Fidelity Video with Pixel Shaders in WPF

I'm using the latest wpfmediakit release and I get no sound (my current system is Windows 7 x64). I did some searchin' but couldn't see anything relevant. Dxdiag doesn't show any issues with sound devices, and sound works everywhere else. Any suggestions on how to start troubleshooting this? Thanks. WPFMediaElement is super-cool.

Re: Higher Fidelity Video with Pixel Shaders in WPF

In the XAML try setting the Volume property to 1 (full volume).

-Jer

Re: Higher Fidelity Video with Pixel Shaders in WPF

I'm using the sample app, and it is defaulted to 1 there. I set it to a few different float values but still don't hear anything. There is a "click" when the app first starts, but nothing else.

Re: Higher Fidelity Video with Pixel Shaders in WPF

Are you using the DVD player? There may be a bug in how I create the graph + Windows 7. I just installed 7 on my laptop a few days ago. I'll throw it on there to debug.

Anyways, you can always reach me at my email, jeremiah.morrill [at] gmail [dot] com

-Jer

Re: Higher Fidelity Video with Pixel Shaders in WPF

I do not think that the double conversion is something that will be visible in the image quality. Video compression uses packed YUV colour space which has lower colour precision, so the RGB conversions after video decoding will probably not change the overall image very much.

It is of cause best to have as few conversions as possible, but still it is great to be able to change this in software even if the user's video driver is not configured properly. Thanks for this enhancement!

Re: Higher Fidelity Video with Pixel Shaders in WPF

Hi..

Thsi is a gentle reminder..for the above query...
Please do give in your inputs...That would be of great help..

Thanks and Regards,

Re: Higher Fidelity Video with Pixel Shaders in WPF

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