ffmpeg: Add AV1 hardware decoder with d3d11va and dxva2 support

libdav1d will continue to stay on top after this change

gvsbuild/patches/ffmpeg/build/build.sh

@@ -15,6 +15,7 @@ configure_cmd[idx++]="--enable-shared"
 configure_cmd[idx++]="--disable-everything"
 configure_cmd[idx++]="--enable-swscale"
 configure_cmd[idx++]="--enable-avcodec"
+configure_cmd[idx++]="--enable-hwaccel=av1_dxva2"
 configure_cmd[idx++]="--enable-hwaccel=h264_dxva2"
 configure_cmd[idx++]="--enable-hwaccel=hevc_dxva2"
 configure_cmd[idx++]="--enable-dxva2"
@@ -23,13 +24,16 @@ configure_cmd[idx++]="--enable-decoder=hevc"
 configure_cmd[idx++]="--enable-decoder=libdav1d"
 configure_cmd[idx++]="--enable-decoder=mpeg1video"
 configure_cmd[idx++]="--enable-encoder=mpeg1video"
+configure_cmd[idx++]="--enable-hwaccel=av1_d3d11va"
+configure_cmd[idx++]="--enable-hwaccel=av1_d3d11va2"
 configure_cmd[idx++]="--enable-hwaccel=h264_d3d11va"
 configure_cmd[idx++]="--enable-hwaccel=h264_d3d11va2"
 configure_cmd[idx++]="--enable-hwaccel=hevc_d3d11va"
 configure_cmd[idx++]="--enable-hwaccel=hevc_d3d11va2"
 configure_cmd[idx++]="--enable-libdav1d"
 configure_cmd[idx++]="--enable-d3d11va"
 configure_cmd[idx++]="--enable-nvdec"
+configure_cmd[idx++]="--enable-hwaccel=av1_nvdec"
 configure_cmd[idx++]="--enable-hwaccel=h264_nvdec"
 configure_cmd[idx++]="--enable-hwaccel=hevc_nvdec"
 configure_cmd[idx++]="--disable-programs"