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authortrav90 <travawine@protonmail.ch>2018-04-26 16:49:15 -0500
committertrav90 <travawine@protonmail.ch>2018-04-26 16:49:15 -0500
commit8b37a1bc306c1d5a3cc92e9dc04fb95d5d9a0298 (patch)
treec37da5241afd7cda6f92d394e14cef7d5dcbb4e5 /media/ffvpx/libavutil/internal.h
parent56a2df6b25bc93ea9a59b8e0bf8029f752f68573 (diff)
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[ffvpx] Update ffvp9/ffvp8 to 3.4.2-release
Structure of code was slightly modified so that it should be no longer necessary to re-generate the config_*.h files, greatly simplifying the resync process in the future.
Diffstat (limited to 'media/ffvpx/libavutil/internal.h')
-rw-r--r--media/ffvpx/libavutil/internal.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/media/ffvpx/libavutil/internal.h b/media/ffvpx/libavutil/internal.h
index e995af97e..a2d73e3cc 100644
--- a/media/ffvpx/libavutil/internal.h
+++ b/media/ffvpx/libavutil/internal.h
@@ -30,6 +30,9 @@
# define NDEBUG
#endif
+// This can be enabled to allow detection of additional integer overflows with ubsan
+//#define CHECKED
+
#include <limits.h>
#include <stdint.h>
#include <stddef.h>
@@ -258,6 +261,16 @@ void avpriv_request_sample(void *avc,
# define ff_dlog(ctx, ...) do { if (0) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0)
#endif
+// For debuging we use signed operations so overflows can be detected (by ubsan)
+// For production we use unsigned so there are no undefined operations
+#ifdef CHECKED
+#define SUINT int
+#define SUINT32 int32_t
+#else
+#define SUINT unsigned
+#define SUINT32 uint32_t
+#endif
+
/**
* Clip and convert a double value into the long long amin-amax range.
* This function is needed because conversion of floating point to integers when
@@ -340,6 +353,4 @@ void ff_check_pixfmt_descriptors(void);
*/
int avpriv_dict_set_timestamp(AVDictionary **dict, const char *key, int64_t timestamp);
-extern const uint8_t ff_reverse[256];
-
#endif /* AVUTIL_INTERNAL_H */