enable cuda (nv-codec-headers + pinned-picture fix); pkgrel 1.1, add .gitignore, regen .SRCINFO

PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=vmaf
 pkgver=3.2.0
-pkgrel=1
+pkgrel=1.1
 pkgdesc='Perceptual video quality assessment algorithm based on multi-method fusion'
 arch=('x86_64')
 url='https://github.com/Netflix/vmaf/'
@@ -11,20 +11,32 @@ depends=(
     'glibc'
     'libgcc'
     'libstdc++')
+optdepends=('nvidia-utils: CUDA GPU acceleration')
 makedepends=(
+    'cuda'
+    'gcc15'
     'meson'
     'nasm')
 checkdepends=(
     'vim')
-source=("https://github.com/Netflix/vmaf/archive/v${pkgver}/${pkgname}-${pkgver}.tar.gz")
-sha256sums=('a28f93f3b4fa65601be324587072e32a6a704a304ba7b1aec9b70b3f709bc1dc')
+_nvcodec_commit='1b5a81ada8874efb2af0534ffe74049c557e212d'
+source=("https://github.com/Netflix/vmaf/archive/v${pkgver}/${pkgname}-${pkgver}.tar.gz"
+        "nv-codec-headers-${_nvcodec_commit}.tar.gz::https://code.ffmpeg.org/FFmpeg/nv-codec-headers/archive/${_nvcodec_commit}.tar.gz"
+        '0001-fix-cuda-pinned-picture-null-state.patch')
+sha256sums=('a28f93f3b4fa65601be324587072e32a6a704a304ba7b1aec9b70b3f709bc1dc'
+            'SKIP'
+            'SKIP')
+
+prepare() {
+    patch -p1 -d "${pkgname}-${pkgver}" < 0001-fix-cuda-pinned-picture-null-state.patch
+}
 
 build() {
     local _jobs
     local _max_jobs='20'
-    
+
     _jobs="$(nproc)"
-    
+
     # may fail to compile on a high core count system
     # https://github.com/Netflix/vmaf/issues/1541
     if [ "$_jobs" -ge "$_max_jobs" ]
@@ -32,17 +44,25 @@ build() {
         _jobs="$_max_jobs"
         printf '%s\n' "limiting the compilation jobs to ${_jobs}"
     fi
-    
-    arch-meson -Denable_avx512='false' "${pkgname}-${pkgver}/libvmaf" build
+
+    export PATH="/opt/cuda/bin:$PATH"
+    export CUDA_HOST_COMPILER=/usr/bin/gcc-15
+    # install bundled nv-codec-headers (system package lacks cuMemFreeAsync/cuMemAllocAsync)
+    make -C "nv-codec-headers" PREFIX="${srcdir}/nvcodec-prefix" install
+    export C_INCLUDE_PATH="${srcdir}/nvcodec-prefix/include:${C_INCLUDE_PATH}"
+    # cd into libvmaf so nvcc's hardcoded relative include paths (../src, ../include)
+    # resolve correctly when the build dir is a subdirectory of the source
+    cd "${pkgname}-${pkgver}/libvmaf"
+    arch-meson -Denable_avx512='false' -Denable_cuda='true' -Denable_nvcc='true' . build
     meson compile -C build --jobs "$_jobs"
 }
 
 check() {
-    meson test -C build
+    meson test -C "${pkgname}-${pkgver}/libvmaf/build"
 }
 
 package() {
-    meson install -C build --destdir "$pkgdir"
+    meson install -C "${pkgname}-${pkgver}/libvmaf/build" --destdir "$pkgdir"
     install -D -m644 "${pkgname}-${pkgver}/LICENSE" -t "${pkgdir}/usr/share/licenses/${pkgname}"
     cp -dr --no-preserve='ownership' "${pkgname}-${pkgver}/model" "${pkgdir}/usr/share"
 }