multimedia/aom: expose Butteraugli tuning

multimedia/aom/Makefile

@@ -22,9 +22,14 @@ GH_ACCOUNT=	jbeich # mirror
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_OFF=	ENABLE_DOCS ENABLE_TESTS
 
-OPTIONS_DEFINE=	VMAF
+OPTIONS_DEFINE=	JXL VMAF
 OPTIONS_DEFAULT=VMAF
 
+JXL_DESC=		Encoding tuning for Butteraugli
+JXL_LIB_DEPENDS=	libjxl.so:graphics/libjxl
+JXL_USES=		pkgconfig
+JXL_CMAKE_ON=		-DCONFIG_TUNE_BUTTERAUGLI:STRING=1
+
 VMAF_DESC=		Encoding tuning for VMAF
 VMAF_LIB_DEPENDS=	libvmaf.so:multimedia/vmaf
 VMAF_USES=		pkgconfig

multimedia/aom/files/patch-CMakeLists.txt

@@ -0,0 +1,17 @@
+- Drop unused static libhwy dependency when using shared libjxl
+
+--- CMakeLists.txt.orig	2021-10-13 17:24:39 UTC
++++ CMakeLists.txt
+@@ -525,12 +525,6 @@ if(CONFIG_AV1_ENCODER)
+       if(LIBJXL_CFLAGS)
+         append_compiler_flag("${LIBJXL_CFLAGS}")
+       endif()
+-      pkg_check_modules(LIBHWY REQUIRED libhwy)
+-      target_link_libraries(aom PRIVATE ${LIBHWY_LDFLAGS} ${LIBHWY_LIBRARIES})
+-      target_include_directories(aom PRIVATE ${LIBLIBHWY_INCLUDE_DIRS})
+-      if(LIBHWY_CFLAGS)
+-        append_compiler_flag("${LIBHWY_CFLAGS}")
+-      endif()
+     endif()
+ 
+     set_target_properties(aom PROPERTIES LINKER_LANGUAGE CXX)