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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - VCE dual instance encoding inconsistent since st/va: enable dual instances encode by sync surface"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98005#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - VCE dual instance encoding inconsistent since st/va: enable dual instances encode by sync surface"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98005">bug 98005</a>
from <span class="vcard"><a class="email" href="mailto:boyuan.zhang@amd.com" title="Boyuan Zhang <boyuan.zhang@amd.com>"> <span class="fn">Boyuan Zhang</span></a>
</span></b>
<pre>(In reply to Andy Furniss from <a href="show_bug.cgi?id=98005#c11">comment #11</a>)
<span class="quote">> It turns out with more time + different tests that these patches don't fix
> the original issue.
>
> I can still get too low bitrates depending on timing/luck eg. forcing
> powerplay/cpufreq to high with the right test stream can get different
> results from auto. This is testing with the same GOP and (so far) disabling
> dual instance does seem to always produce the correct bitrate.
>
> I also found another bug = ntsc framerates are not handled. I live in PAL
> land, so didn't notice this sooner, though we still get /1001 framerates on
> blu-ray which is how I belatedly noticed.
>
> I made a hacky fix - maybe working out where (if anywhere) the players pass
> framerate den would be better, but I'll attach it anyway just to see what
> you think (it only applies to vanilla mesa). Seems to work OK with avconv
> and gstreamer.</span >
Hi Andy,
Please take a look at the new patch set I just submitted:
1. <a href="https://lists.freedesktop.org/archives/mesa-dev/2016-November/135815.html">https://lists.freedesktop.org/archives/mesa-dev/2016-November/135815.html</a>
2. <a href="https://lists.freedesktop.org/archives/mesa-dev/2016-November/135813.html">https://lists.freedesktop.org/archives/mesa-dev/2016-November/135813.html</a>
With these 2 patches, the vbr dual instance bit-rate issue should be solved.
Please give a try. If you still see bit-rate failure, please send me the
command which can reproduce the issue.
In the meantime, I will look at the ntsc framerate.
Thanks</pre>
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