Enable Android and iOS

Author: bc-lee

ports/libvmaf/android-off_t.patch

@@ -0,0 +1,16 @@
+--- a/libvmaf/src/meson.build
++++ b/libvmaf/src/meson.build
+@@ -13,6 +13,13 @@ if cc.get_id() != 'msvc'
+         '-pedantic',
+         '-DOC_NEW_STYLE_INCLUDES',
+     ]
++    # If the target is Android, define _LIBCPP_HAS_NO_OFF_T_FUNCTIONS unconditionally
++    # to work around the fact that meson always defines _FILE_OFFSET_BITS=64, which
++    # causes issues for API levels below 24 in 32-bit architectures.
++    # See https://github.com/mesonbuild/meson/issues/3049 for more details.
++    if target_machine.system() == 'android'
++        vmaf_cflags_common += '-D_LIBCPP_HAS_NO_OFF_T_FUNCTIONS'
++    endif
+ else
+     vmaf_cflags_common = [
+       '-wd4028', # parameter different from declaration

ports/libvmaf/portfile.cmake

@@ -6,6 +6,7 @@ vcpkg_from_github(
     HEAD_REF master
     PATCHES
         no-tools.patch
+        android-off_t.patch
 )
 
 vcpkg_find_acquire_program(NASM)

ports/libvmaf/vcpkg.json

@@ -4,7 +4,7 @@
   "description": "libvmaf is a library developed by Netflix to compute the VMAF (Video Multi-Method Assessment Fusion) metric.",
   "homepage": "https://github.com/Netflix/vmaf",
   "license": "BSD-2-Clause-Patent",
-  "supports": "!windows & !android & !ios",
+  "supports": "!windows",
   "dependencies": [
     {
       "name": "vcpkg-tool-meson",