Restrict vp9 frame sizes to 16384x16384

source/config/mac/x64/vpx_config.c

Index: source/config/mac/x64/vpx_config.c
diff --git a/source/config/mac/x64/vpx_config.c b/source/config/mac/x64/vpx_config.c
index c9d6591da622a57d9b675883144bd30934596420..62f0db7d0c778f97e6951a62913bc259affca8f1 100644
--- a/source/config/mac/x64/vpx_config.c
+++ b/source/config/mac/x64/vpx_config.c
@@ -5,5 +5,5 @@
 /* tree. An additional intellectual property rights grant can be found */
 /* in the file PATENTS.  All contributing project authors may */
 /* be found in the AUTHORS file in the root of the source tree. */
-static const char* const cfg = "--target=x86_64-darwin9-gcc --enable-pic --enable-realtime-only --enable-external-build --enable-postproc --disable-install-srcs --enable-multi-res-encoding --enable-temporal-denoising --disable-unit-tests --disable-install-docs --disable-examples --enable-vp9-temporal-denoising --enable-vp9-postproc";
+static const char* const cfg = "--target=x86_64-darwin9-gcc --enable-pic --enable-realtime-only --enable-external-build --enable-postproc --disable-install-srcs --enable-multi-res-encoding --enable-temporal-denoising --disable-unit-tests --disable-install-docs --disable-examples --enable-vp9-temporal-denoising --enable-vp9-postproc --size-limit=16384x16384";
 const char *vpx_codec_build_config(void) {return cfg;}