[mythtv] VDPAU stuttering in trunk

[Jim Stichnoth]

On Wed, Feb 10, 2010 at 1:45 PM, Taylor Ralph <taylor.ralph at gmail.com> wrote:
> On Thu, Feb 4, 2010 at 11:03 PM, Jim Stichnoth <stichnot at gmail.com> wrote:
>> Wow, Google Docs now allows arbitrary documents.  Please try this:
>>
>> https://docs.google.com/leaf?id=0BxETmfuHvGPQMjRiZTZhYTItMDgwOC00MTYzLTk0YTItNWJhYWYxYWZiOTll&hl=en
>>
>> and let me know if it doesn't work, or if you want a much larger sample.
>>
>> Jim
>>
>
> I was able to reproduce the problem with my setup here with the
> following config:
>
>  * Nvidia Quadro NVS 135M (G86)
>  * 256 MB GPU memory
>  * Nvidia 195.30 driver
>  * Temporal 2X (w/ skipchroma)
>
> Before the new VDPAU rendering code was committed around changeset
> [23235] the video plays flawlessly and afterwards the video fails to
> keep up with the audio and results in massive frame drops like you are
> experiencing.
>
> Not sure if it matters but how much GPU memory do you have allocated
> on your ION?

I'm not sure how to check remotely, but "top" reports 1812716k total
memory out of 2GB physically installed, so I'm guessing 256MB.  I will
see if I can raise it.

Jim