[FFmpeg-devel] [PATCH] avutil/hwcontext_videotoolbox: Fix build with older SDKs

["Marvin Scholz" <epirat07@gmail.com>]

I've accidentally used API not available on the checked version.
Additionally check for the SDK to be new enough to even have the
CVImageBufferCreateColorSpaceFromAttachments API to not fail
the build.
---
 libavutil/hwcontext_videotoolbox.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/libavutil/hwcontext_videotoolbox.c b/libavutil/hwcontext_videotoolbox.c
index 953155ce32..ab7556936d 100644
--- a/libavutil/hwcontext_videotoolbox.c
+++ b/libavutil/hwcontext_videotoolbox.c
@@ -588,13 +588,26 @@ static int vt_pixbuf_set_colorspace(void *log_ctx,
     } else
         CVBufferRemoveAttachment(pixbuf, kCVImageBufferGammaLevelKey);
 
+#if (TARGET_OS_OSX && __MAC_OS_X_VERSION_MAX_ALLOWED >= 100800) || \
+    (TARGET_OS_IOS && __IPHONE_OS_VERSION_MAX_ALLOWED >= 100000)
     if (__builtin_available(macOS 10.8, iOS 10, *)) {
-        CFDictionaryRef attachments = CVBufferCopyAttachments(pixbuf, kCVAttachmentMode_ShouldPropagate);
+        CFDictionaryRef attachments = NULL;
+        if (__builtin_available(macOS 12.0, iOS 15.0, *))
+            attachments = CVBufferCopyAttachments(pixbuf, kCVAttachmentMode_ShouldPropagate);
+#if (TARGET_OS_OSX && __MAC_OS_X_VERSION_MIN_REQUIRED <= 120000) || \
+    (TARGET_OS_IOS && __IPHONE_OS_VERSION_MIN_REQUIRED <= 150000)
+        else {
+            CFDictionaryRef tmp = CVBufferGetAttachments(pixbuf, kCVAttachmentMode_ShouldPropagate);
+            if (tmp)
+                attachments = CFDictionaryCreateCopy(NULL, tmp);
+        }
+#endif
         if (attachments) {
             colorspace = CVImageBufferCreateColorSpaceFromAttachments(attachments);
             CFRelease(attachments);
         }
     }
+#endif
 
     if (colorspace) {
         CVBufferSetAttachment(pixbuf, kCVImageBufferCGColorSpaceKey,

base-commit: 9fb8d13d56f20728141fd7070d8a325720727d57
-- 
2.39.3 (Apple Git-146)
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