On Wed, May 31, 2023 at 11:07:15AM +0800, Tong Wu wrote: > From: Wu Jianhua <toq...@outlook.com> > > The implementation is based on: > https://learn.microsoft.com/en-us/windows/win32/medfound/direct3d-12-video-overview > > With the Direct3D 12 video decoding support, we can render or process > the decoded images by the pixel shaders or compute shaders directly > without the extra copy overhead, which is beneficial especially if you > are trying to render or post-process a 4K or 8K video. > > The command below is how to enable d3d12va: > ffmpeg -hwaccel d3d12va -i input.mp4 output.mp4 > > Signed-off-by: Wu Jianhua <toq...@outlook.com> > Signed-off-by: Tong Wu <tong1...@intel.com> > --- > configure | 2 + > libavcodec/Makefile | 3 + > libavcodec/d3d11va.h | 3 - > libavcodec/d3d12va.c | 552 ++++++++++++++++++++++++++++++++++++ > libavcodec/d3d12va.h | 184 ++++++++++++ > libavcodec/d3d12va_h264.c | 210 ++++++++++++++ > libavcodec/dxva2.c | 24 ++ > libavcodec/dxva2.h | 3 - > libavcodec/dxva2_h264.c | 12 +- > libavcodec/dxva2_internal.h | 69 +++-- > libavcodec/h264_slice.c | 4 + > libavcodec/h264dec.c | 3 + > libavcodec/hwaccels.h | 1 + > libavcodec/hwconfig.h | 2 + > 14 files changed, 1030 insertions(+), 42 deletions(-) > create mode 100644 libavcodec/d3d12va.c > create mode 100644 libavcodec/d3d12va.h > create mode 100644 libavcodec/d3d12va_h264.c
seems to break build on mingw64 here
make
CC libavcodec/dxva2.o
In file included from src/libavcodec/dxva2.c:33:0:
src/libavcodec/dxva2.c: In function ‘ff_dxva2_get_surface_index’:
src/libavcodec/dxva2_internal.h:48:43: error: pasting "." and "surface_count"
does not give a valid preprocessing token
#define D3D11VA_VAR(ctx, var) ctx->d3d11va.##var
^
src/libavcodec/dxva2_internal.h:123:114: note: in expansion of macro
‘D3D11VA_VAR’
#define DXVA2_CONTEXT_VAR(avctx, ctx, var) (avctx->pix_fmt == AV_PIX_FMT_D3D12
? 0 : (ff_dxva2_is_d3d11(avctx) ? D3D11VA_VAR(ctx, var) : DXVA2_VAR(ctx, var)))
^~~~~~~~~~~
src/libavcodec/dxva2_internal.h:127:49: note: in expansion of macro
‘DXVA2_CONTEXT_VAR’
#define DXVA_CONTEXT_COUNT(avctx, ctx) DXVA2_CONTEXT_VAR(avctx, ctx,
surface_count)
^~~~~~~~~~~~~~~~~
src/libavcodec/dxva2.c:791:21: note: in expansion of macro ‘DXVA_CONTEXT_COUNT’
for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
^
In file included from src/libavcodec/dxva2.c:33:0:
src/libavcodec/dxva2_internal.h:40:39: error: pasting "." and "surface_count"
does not give a valid preprocessing token
#define DXVA2_VAR(ctx, var) ctx->dxva2.##var
^
src/libavcodec/dxva2_internal.h:123:139: note: in expansion of macro ‘DXVA2_VAR’
#define DXVA2_CONTEXT_VAR(avctx, ctx, var) (avctx->pix_fmt == AV_PIX_FMT_D3D12
? 0 : (ff_dxva2_is_d3d11(avctx) ? D3D11VA_VAR(ctx, var) : DXVA2_VAR(ctx, var)))
^~~~~~~~~
src/libavcodec/dxva2_internal.h:127:49: note: in expansion of macro
‘DXVA2_CONTEXT_VAR’
#define DXVA_CONTEXT_COUNT(avctx, ctx) DXVA2_CONTEXT_VAR(avctx, ctx,
surface_count)
^~~~~~~~~~~~~~~~~
src/libavcodec/dxva2.c:791:21: note: in expansion of macro ‘DXVA_CONTEXT_COUNT’
for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
^
src/ffbuild/common.mak:81: recipe for target 'libavcodec/dxva2.o' failed
make: *** [libavcodec/dxva2.o] Error 1
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
There will always be a question for which you do not know the correct answer.
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