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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - vaapi/vpp: wrong output for non 64-bytes align width (ex: 1200)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110443#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - vaapi/vpp: wrong output for non 64-bytes align width (ex: 1200)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110443">bug 110443</a>
from <span class="vcard"><a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> <span class="fn">Marek Olšák</span></a>
</span></b>
<pre>(In reply to Julien Isorce from <a href="show_bug.cgi?id=110443#c0">comment #0</a>)
<span class="quote">> vaDeriveImage reports wrong stride.
>
> Indeed Mesa's vlVaDeriveImage always sets the stride to w * 4 for RGBA
> format
> <a href="https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/state_trackers/va/">https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/state_trackers/va/</a>
> image.c#n259
>
> This results in wrong video output, see
> <a href="https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/100">https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/100</a>
>
> Is there a way to know the pipe_resource's stride
> <a href="https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/state_trackers/va/">https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/state_trackers/va/</a>
> image.c#n283 without exporting it to dmabuf (through whandle.stride) and
> without mapping it (drv->pipe->transfer_map / pipe_transfer.stride) ?</span >
No, there isn't. whandle.stride is pipe_resource's stride and is for GPU
access. pipe_transfer.stride can be different and is for CPU access.</pre>
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