[vlc-devel] [PATCH 4/4] direct3d11: align I420 buffers on 64 bits so that direct rendering is used
Steve Lhomme
robux4 at gmail.com
Wed Dec 13 08:59:50 CET 2017
On Tue, Dec 12, 2017 at 2:54 PM, Rémi Denis-Courmont <remi at remlab.net> wrote:
> 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.
OK
> I am pretty sure we already solved that problem in the heap allocator case.
Did you mean this ?
https://patches.videolan.org/patch/7971/
I wonder if we should call avcodec_align_dimensions2() before
vout_Request(). Right now it's done after to check everything is fine.
Which is too late to fix at that point.
> --
> Remi Denis-Courmont
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