diff options
Diffstat (limited to 'media/ffvpx/libavutil/internal.h')
| -rw-r--r-- | media/ffvpx/libavutil/internal.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/media/ffvpx/libavutil/internal.h b/media/ffvpx/libavutil/internal.h index e995af97e4..a2d73e3cc6 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 */ |