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avcodec/videotoolbox: fix use of unknown builtin '__builtin_available'

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Old system is:
OSX version: 10.11.6
Apple LLVM version 8.0.0 (clang-800.0.42.1)
Target: x86_64-apple-darwin15.6.0

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2021-12-02 21:15:22 +08:00
parent d782c746a0
commit a7df966c82
1 changed files with 2 additions and 2 deletions
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4
libavcodec/videotoolbox.c
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@ -895,7 +895,7 @@ static int videotoolbox_start(AVCodecContext *avctx)
break;
}
#if defined(MAC_OS_X_VERSION_10_9) && !TARGET_OS_IPHONE && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_9)
#if defined(MAC_OS_X_VERSION_10_9) && !TARGET_OS_IPHONE && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_9) && AV_HAS_BUILTIN(__builtin_available)
if (avctx->codec_id == AV_CODEC_ID_PRORES) {
if (__builtin_available(macOS 10.9, *)) {
VTRegisterProfessionalVideoWorkflowVideoDecoders();
@ -903,7 +903,7 @@ static int videotoolbox_start(AVCodecContext *avctx)
}
#endif
#if defined(MAC_OS_VERSION_11_0) && !TARGET_OS_IPHONE && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_11_0)
#if defined(MAC_OS_VERSION_11_0) && !TARGET_OS_IPHONE && (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_11_0) && AV_HAS_BUILTIN(__builtin_available)
if (__builtin_available(macOS 11.0, *)) {
VTRegisterSupplementalVideoDecoderIfAvailable(videotoolbox->cm_codec_type);
}