<div class="gmail_quote">On Mon, Jul 4, 2011 at 11:00 AM, Neil Salstrom <span dir="ltr"><<a href="mailto:salstrom@gmail.com">salstrom@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On Sun, Jul 3, 2011 at 4:35 PM, Raymond Wagner <<a href="mailto:raymond@wagnerrp.com">raymond@wagnerrp.com</a>> wrote:<br>
> On 7/3/2011 18:21, Neil Salstrom wrote:<br>
</div><div class="im">> The 8400GS has plenty of power for Bluray decoding, as decoding is done<br>
> in a custom ASIC, not the GPU. The Matroska demuxer has a nasty<br>
> behavior of bursty reads. With the high bitrate of (real) Bluray<br>
> content, this could cause problems if you are streaming across a slower<br>
> network.<br>
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<br>
</div>Hmm... The video is on a drive local to mythfrontend so it's not<br>
going across the network. What do you mean by "a custom ASIC"?<br></blockquote><div><br></div><div>The video decoding (but not the deinterlacing) is performed by a purpose-designed chip quite separate from the actual GPU. The deinterlacing is performed by the shader units on the GPU.</div>
<div><br></div><div>As a result of this, an 8400GS is just as good at decoding blu-ray as a GT430 - the newer cards have added support for a handful more formats, but the decoding for existing formats is basically unchanged.</div>
<div><br></div><div>An 8400GS isn't as good at PLAYING blu-ray as a GT430, because it's a much slower GPU that can't keep up with the highest quality deinterlacing methods.</div><div><br></div><div>- Chris</div>
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