avcodec/hevc: Check entry_point_offsets

[ffmpeg] / libavcodec / simple_idct.c

diff --git a/libavcodec/simple_idct.c b/libavcodec/simple_idct.c
index 4d6d20df5afdd67da16862287c58842dbaa6ab1c..0711e167a56ed356720867bc778d5b80563993f4 100644 (file)
--- a/libavcodec/simple_idct.c
+++ b/libavcodec/simple_idct.c
@@ -132,7 +132,7 @@ void ff_simple_idct248_put(uint8_t *dest, int line_size, int16_t *block)
 #undef C1
 #undef C2
 #define CN_SHIFT 12
-#define C_FIX(x) ((int)((x) * 1.414213562 * (1 << CN_SHIFT) + 0.5))
+#define C_FIX(x) ((int)((x) * M_SQRT2 * (1 << CN_SHIFT) + 0.5))
 #define C1 C_FIX(0.6532814824)
 #define C2 C_FIX(0.2705980501)
 #define C3 C_FIX(0.5)
@@ -159,7 +159,7 @@ static inline void idct4col_add(uint8_t *dest, int line_size, const int16_t *col
 }
 
 #define RN_SHIFT 15
-#define R_FIX(x) ((int)((x) * 1.414213562 * (1 << RN_SHIFT) + 0.5))
+#define R_FIX(x) ((int)((x) * M_SQRT2 * (1 << RN_SHIFT) + 0.5))
 #define R1 R_FIX(0.6532814824)
 #define R2 R_FIX(0.2705980501)
 #define R3 R_FIX(0.5)