Hardware Accelerating Decoding Affect On Quality?

[hogger129]

Hey all,

I am doing some encodes to BD9 and I am still seeing a tiny amount of posterization if I stick my face in the monitor and scrutinize it closely. I know that hardware-accelerated encoding is a no-no if I am after quality.

I am curious if hardware-accelerated decoding also has an effect on the resulting video quality. Or could it just be that I'm reducing the bitrate way too much with BD9 size? Perhaps BD9 isn't the way to go and I should use BD25?

I really don't notice any of the posterization if I am not really looking closely into my monitor, but upon close inspection, it's definitely there.

Thanks.

[Baldrick]

What do you shrink with? BD-Rebuilder ?

But how often do you stick your face in the monitor when watching movies....

[hogger129]

I was using DVDFab, but I think I'll just go with Vidcoder since my end result is just a .mkv file anyway.

[Selur]

If the decode is standard conform it should produce exact same output as any other decoder.
Decoder output should only differ regarding post-processing. (resizing, dithering, color changes)
-> it shouldn't matter whether the decoder is software or hardware based