[FFmpeg-cvslog] lavc/videotoolbox: call VTRegisterSupplementalVideoDecoderIfAvailable

[rcombs]

ffmpeg | branch: master | rcombs <rcombs at rcombs.me> | Sat Nov 13 02:33:08 2021 -0600| [e3c6cc96cf2f0b2c22dee80a53a01a5fe4fea009] | committer: rcombs

lavc/videotoolbox: call VTRegisterSupplementalVideoDecoderIfAvailable

This is required for VP9 to work.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e3c6cc96cf2f0b2c22dee80a53a01a5fe4fea009
---

 libavcodec/videotoolbox.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c
index 3022cd1cbf..a11d494915 100644
--- a/libavcodec/videotoolbox.c
+++ b/libavcodec/videotoolbox.c
@@ -32,6 +32,7 @@
 #include "h264dec.h"
 #include "hevcdec.h"
 #include "mpegvideo.h"
+#include <Availability.h>
 #include <TargetConditionals.h>
 
 #ifndef kVTVideoDecoderSpecification_RequireHardwareAcceleratedVideoDecoder
@@ -866,6 +867,12 @@ static int videotoolbox_start(AVCodecContext *avctx)
         break;
     }
 
+#ifdef __MAC_10_11
+    if (__builtin_available(macOS 10.11, *)) {
+        VTRegisterSupplementalVideoDecoderIfAvailable(videotoolbox->cm_codec_type);
+    }
+#endif
+
     decoder_spec = videotoolbox_decoder_config_create(videotoolbox->cm_codec_type, avctx);
 
     if (!decoder_spec) {