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lavu/hwcontext_videotoolbox: use OS-provided mapping routines when available

This commit is contained in:
rcombs 2021-12-18 06:46:32 -06:00
parent b7e1ec7bda
commit 5afc5661ac
1 changed files with 14 additions and 2 deletions
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16
libavutil/hwcontext_videotoolbox.c
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@ -428,8 +428,12 @@ CFStringRef av_map_videotoolbox_color_matrix_from_av(enum AVColorSpace space)
return kCVImageBufferYCbCrMatrix_ITU_R_709_2;
case AVCOL_SPC_SMPTE240M:
return kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
case AVCOL_SPC_UNSPECIFIED:
default:
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
return CVYCbCrMatrixGetStringForIntegerCodePoint(space);
#endif
case AVCOL_SPC_UNSPECIFIED:
return NULL;
}
}
@ -449,8 +453,12 @@ CFStringRef av_map_videotoolbox_color_primaries_from_av(enum AVColorPrimaries pr
return kCVImageBufferColorPrimaries_SMPTE_C;
case AVCOL_PRI_BT470BG:
return kCVImageBufferColorPrimaries_EBU_3213;
case AVCOL_PRI_UNSPECIFIED:
default:
#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
if (__builtin_available(macOS 10.13, iOS 11, tvOS 11, watchOS 4, *))
return CVColorPrimariesGetStringForIntegerCodePoint(pri);
#endif
case AVCOL_PRI_UNSPECIFIED:
return NULL;
}
}
@ -493,6 +501,10 @@ CFStringRef av_map_videotoolbox_color_trc_from_av(enum AVColorTransferCharacteri
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);
#endif
case AVCOL_TRC_UNSPECIFIED:
return NULL;
}