RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/texturedspenc: Add () to protect macro / argument evaluation order 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-23 17:02:22 +02:00
parent 88325c2e0b
commit 9f997acdd0
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/texturedspenc.c
View File

@ -140,14 +140,14 @@ const static uint8_t match6[256][2] = {
};
/* Multiplication over 8 bit emulation */
#define mul8(a, b) (a * b + 128 + ((a * b + 128) >> 8)) >> 8
#define mul8(a, b) (((a) * (b) + 128 + (((a) * (b) + 128) >> 8)) >> 8)
/* Conversion from rgb24 to rgb565 */
#define rgb2rgb565(r, g, b) \
(mul8(r, 31) << 11) | (mul8(g, 63) << 5) | (mul8(b, 31) << 0)
((mul8(r, 31) << 11) | (mul8(g, 63) << 5) | (mul8(b, 31) << 0))
/* Linear interpolation at 1/3 point between a and b */
#define lerp13(a, b) (2 * a + b) / 3
#define lerp13(a, b) ((2 * (a) + (b)) / 3)
/* Linear interpolation on an RGB pixel */
static inline void lerp13rgb(uint8_t *out, uint8_t *p1, uint8_t *p2)