# =============================================================================
# Source: https://www.mail-archive.com/ffmpeg-devel@ffmpeg.org/msg127034.html
# -----------------------------------------------------------------------------
# From: Limin Wang <lance.lmw...@gmail.com>
#
# OSX version: 10.11.6
# Apple LLVM version 8.0.0 (clang-800.0.42.1)
# Target: x86_64-apple-darwin15.6.0
# =============================================================================
--- libavutil/hwcontext_videotoolbox.c.old	2022-01-14 13:45:40.000000000 -0500
+++ libavutil/hwcontext_videotoolbox.c	2022-03-27 12:26:48.000000000 -0400
@@ -415,12 +415,13 @@
 {
     switch (space) {
     case AVCOL_SPC_BT2020_CL:
     case AVCOL_SPC_BT2020_NCL:
 #if HAVE_KCVIMAGEBUFFERYCBCRMATRIX_ITU_R_2020
-        if (__builtin_available(macOS 10.11, iOS 9, *))
-            return kCVImageBufferYCbCrMatrix_ITU_R_2020;
+        return kCVImageBufferYCbCrMatrix_ITU_R_2020;
+#else
+        return CFSTR("ITU_R_2020");
 #endif
         return CFSTR("ITU_R_2020");
     case AVCOL_SPC_BT470BG:
     case AVCOL_SPC_SMPTE170M:
         return kCVImageBufferYCbCrMatrix_ITU_R_601_4;
@@ -428,12 +429,13 @@
         return kCVImageBufferYCbCrMatrix_ITU_R_709_2;
     case AVCOL_SPC_SMPTE240M:
         return kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
     default:
 #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
-        if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
-            return CVYCbCrMatrixGetStringForIntegerCodePoint(space);
+        return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
+#else
+        return CFSTR("ITU_R_2100_HLG");
 #endif
     case AVCOL_SPC_UNSPECIFIED:
         return NULL;
     }
 }
@@ -441,24 +443,25 @@
 CFStringRef av_map_videotoolbox_color_primaries_from_av(enum AVColorPrimaries pri)
 {
     switch (pri) {
     case AVCOL_PRI_BT2020:
 #if HAVE_KCVIMAGEBUFFERCOLORPRIMARIES_ITU_R_2020
-        if (__builtin_available(macOS 10.11, iOS 9, *))
-            return kCVImageBufferColorPrimaries_ITU_R_2020;
-#endif
+        return kCVImageBufferColorPrimaries_ITU_R_2020;
+#else
         return CFSTR("ITU_R_2020");
+#endif
     case AVCOL_PRI_BT709:
         return kCVImageBufferColorPrimaries_ITU_R_709_2;
     case AVCOL_PRI_SMPTE170M:
         return kCVImageBufferColorPrimaries_SMPTE_C;
     case AVCOL_PRI_BT470BG:
         return kCVImageBufferColorPrimaries_EBU_3213;
     default:
 #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
-        if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
-            return CVColorPrimariesGetStringForIntegerCodePoint(pri);
+        return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
+#else   
+        return CFSTR("ITU_R_2100_HLG");
 #endif
     case AVCOL_PRI_UNSPECIFIED:
         return NULL;
     }
 }
@@ -467,45 +470,46 @@
 {
 
     switch (trc) {
     case AVCOL_TRC_SMPTE2084:
 #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_2084_PQ
-        if (__builtin_available(macOS 10.13, iOS 11, *))
-            return kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
-#endif
+        return kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
+#else
         return CFSTR("SMPTE_ST_2084_PQ");
+#endif
     case AVCOL_TRC_BT2020_10:
     case AVCOL_TRC_BT2020_12:
 #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2020
-        if (__builtin_available(macOS 10.11, iOS 9, *))
-            return kCVImageBufferTransferFunction_ITU_R_2020;
-#endif
+        return kCVImageBufferTransferFunction_ITU_R_2020;
+#else
         return CFSTR("ITU_R_2020");
+#endif
     case AVCOL_TRC_BT709:
         return kCVImageBufferTransferFunction_ITU_R_709_2;
     case AVCOL_TRC_SMPTE240M:
         return kCVImageBufferTransferFunction_SMPTE_240M_1995;
     case AVCOL_TRC_SMPTE428:
 #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_428_1
-        if (__builtin_available(macOS 10.12, iOS 10, *))
-            return kCVImageBufferTransferFunction_SMPTE_ST_428_1;
-#endif
+        return kCVImageBufferTransferFunction_SMPTE_ST_428_1;
+#else
         return CFSTR("SMPTE_ST_428_1");
+#endif
     case AVCOL_TRC_ARIB_STD_B67:
 #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
-        if (__builtin_available(macOS 10.13, iOS 11, *))
-            return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
-#endif
+        return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
+#else
         return CFSTR("ITU_R_2100_HLG");
+#endif
     case AVCOL_TRC_GAMMA22:
         return kCVImageBufferTransferFunction_UseGamma;
     case AVCOL_TRC_GAMMA28:
         return kCVImageBufferTransferFunction_UseGamma;
     default:
 #if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
-        if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
-            return CVTransferFunctionGetStringForIntegerCodePoint(trc);
+        return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
+#else
+        return CFSTR("ITU_R_2100_HLG");
 #endif
     case AVCOL_TRC_UNSPECIFIED:
         return NULL;
     }
 }