On Sat, Dec 02, 2023 at 06:12:42PM +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_decode.c | 564 ++++++++++++++++++++++++++++++++++++ > libavcodec/d3d12va_decode.h | 179 ++++++++++++ > libavcodec/d3d12va_h264.c | 207 +++++++++++++ > libavcodec/dxva2.c | 29 +- > libavcodec/dxva2.h | 3 - > libavcodec/dxva2_av1.c | 4 +- > libavcodec/dxva2_h264.c | 26 +- > libavcodec/dxva2_hevc.c | 6 +- > libavcodec/dxva2_internal.h | 74 ++--- > libavcodec/dxva2_mpeg2.c | 6 +- > libavcodec/dxva2_vc1.c | 6 +- > libavcodec/dxva2_vp9.c | 6 +- > libavcodec/h264_slice.c | 4 + > libavcodec/h264dec.c | 3 + > libavcodec/hwaccels.h | 1 + > libavcodec/hwconfig.h | 2 + > 19 files changed, 1061 insertions(+), 67 deletions(-) > create mode 100644 libavcodec/d3d12va_decode.c > create mode 100644 libavcodec/d3d12va_decode.h > create mode 100644 libavcodec/d3d12va_h264.c
breaks build with mingw64 here
make
CC libavcodec/dxva2.o
In file included from src/libavcodec/dxva2.c:33:0:
src/libavcodec/dxva2_internal.h:141:39: error: unknown type name
‘D3D12VADecodeContext’; did you mean ‘AVD3D11VADeviceContext’?
D3D12VADecodeContext *ctx, const AVFrame
*frame,
^~~~~~~~~~~~~~~~~~~~
AVD3D11VADeviceContext
src/ffbuild/common.mak:81: recipe for target 'libavcodec/dxva2.o' failed
make: *** [libavcodec/dxva2.o] Error 1
[...]
--
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