On Wed, 7 Jun 2017 16:42:32 +0200
Steve Lhomme <rob...@gmail.com> wrote:
> On Wed, Jun 7, 2017 at 12:06 PM, wm4 <nfx...@googlemail.com> wrote:
> > On Wed, 7 Jun 2017 08:59:24 +0200
> > Steve Lhomme <rob...@gmail.com> wrote:
> >
> >> On Tue, Jun 6, 2017 at 6:51 PM, wm4 <nfx...@googlemail.com> wrote:
> >
> >> > +static int d3d11va_device_create(AVHWDeviceContext *ctx, const char
> >> > *device,
> >> > + AVDictionary *opts, int flags)
> >> > +{
> >> > + AVD3D11VADeviceContext *device_hwctx = ctx->hwctx;
> >> > + HANDLE d3dlib;
> >> > +
> >> > + HRESULT hr;
> >> > + PFN_D3D11_CREATE_DEVICE createD3D;
> >> > + IDXGIAdapter *pAdapter = NULL;
> >> > + ID3D10Multithread *pMultithread;
> >> > + UINT creationFlags = D3D11_CREATE_DEVICE_VIDEO_SUPPORT;
> >>
> >> It may be nice to be able to load d3d11_1sdklayers.dll optionally to
> >> debug leaks and have more debug messages when error occurs. Probably
> >> using a value in flags.
> >
> > Yes, that could be added later, if that's fine. I'm also not sure how
> > to load the DLL, or rather what to do with it once it's loaded.
>
> You don't do anything with it. But it provides fancy debug messages
> when you're doing something you shouldn't be doing.
>
> This is how we enable it in VLC
> http://git.videolan.org/?p=vlc.git;a=blob;f=modules/video_output/win32/direct3d11.c;h=e9fcb83dcabfe778f26e63d19f218caf06a7c3ae;hb=HEAD#l1482
Why does it immediately unload it? Is it just for checking whether it
exists?
But yes, this could definitely be added to the Libav code.
> And since you use the DXGI API you may also enable debugging of DXGI:
>
> http://git.videolan.org/?p=vlc.git;a=blob;f=modules/codec/avcodec/d3d11va.c;h=85e7d25caebc059a9770da2ef4bb8fe90816d76d;hb=HEAD#l599
Seems like a good idea too.
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