[vlc-devel] [PATCH 4/4] direct3d11: align I420 buffers on 64 bits so that direct rendering is used

[Rémi Denis-Courmont]

Le 12 décembre 2017 15:13:44 GMT+02:00, Steve Lhomme <robux4 at videolabs.io> a écrit :
>no more "avcodec warning: plane 0 not aligned: disabling direct
>rendering"
>---
> modules/video_output/win32/direct3d11.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/modules/video_output/win32/direct3d11.c
>b/modules/video_output/win32/direct3d11.c
>index 1fd25bb85a..01cda4f4e1 100644
>--- a/modules/video_output/win32/direct3d11.c
>+++ b/modules/video_output/win32/direct3d11.c
>@@ -1993,6 +1993,12 @@ static int
>Direct3D11CreateFormatResources(vout_display_t *vd, const video_forma
> 
>     sys->picQuad.i_width  = fmt->i_width;
>     sys->picQuad.i_height = fmt->i_height;
>+    if (!is_d3d11_opaque(fmt->i_chroma))
>+    {
>+        sys->picQuad.i_width  = (sys->picQuad.i_width  + 0x3F) &
>~0x3F;
>+        sys->picQuad.i_height = (sys->picQuad.i_height + 0x3F) &
>~0x3F;
>+    }
>+    else
>if ( sys->picQuadConfig->formatTexture != DXGI_FORMAT_R8G8B8A8_UNORM &&
>        sys->picQuadConfig->formatTexture != DXGI_FORMAT_B5G6R5_UNORM )
>     {
>-- 
>2.14.2
>
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Please define a pseudo constant or static inline function and use it where applicable. I am pretty sure we already solved that problem in the heap allocator case.
-- 
Remi Denis-Courmont