[FFmpeg-devel] [PATCH 2/2] dxva2: get the slice number directly from the surface in D3D11VA

Steve Lhomme robux4 at gmail.com
Thu Dec 1 17:50:07 EET 2016

On Thu, Dec 1, 2016 at 3:43 PM, Hendrik Leppkes <h.leppkes at gmail.com> wrote:
> On Thu, Dec 1, 2016 at 3:13 PM, Stève Lhomme <robux4 at videolabs.io> wrote:
>> I think I should update the minor version number as I need to rely on
>> this behaviour change in VLC, the surface array will be empty.
>> Should I also change the headers so that they don't require the output
>> surface to be pre-allocated ?
> How does this end up being a behavior change? The commit doesn't make
> it sound like it would change anything but simplify the code.

Before this change the d3d11va.surface and d3d11va.surface_count could
not be NULL/0 respectively. They had to be filled. But with this
change it's not necessary anymore. We may even drop them in the

I should investigate if the same thing is possible with D3D9 surfaces.

> Please document the changed behavior in the commit message, then.


> - Hendrik
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