From d3585c53debe4563533def485c9eef876e538073 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 5 Jun 2015 13:30:54 +0200 Subject: avutil/softfloat: Move av_sincos_sf() from header to c file The function is quite big and trigonometric functions should not really be used in speed critical code Signed-off-by: Michael Niedermayer --- libavutil/softfloat.h | 49 +------------------------------------------------ 1 file changed, 1 insertion(+), 48 deletions(-) (limited to 'libavutil/softfloat.h') diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h index 7938c208eb..0f22f057d2 100644 --- a/libavutil/softfloat.h +++ b/libavutil/softfloat.h @@ -175,53 +175,6 @@ static av_always_inline SoftFloat av_sqrt_sf(SoftFloat val) /** * Rounding-to-nearest used. */ -static av_always_inline void av_sincos_sf(int a, int *s, int *c) -{ - int idx, sign; - int sv, cv; - int st, ct; - - idx = a >> 26; - sign = (idx << 27) >> 31; - cv = av_costbl_1_sf[idx & 0xf]; - cv = (cv ^ sign) - sign; - - idx -= 8; - sign = (idx << 27) >> 31; - sv = av_costbl_1_sf[idx & 0xf]; - sv = (sv ^ sign) - sign; - - idx = a >> 21; - ct = av_costbl_2_sf[idx & 0x1f]; - st = av_sintbl_2_sf[idx & 0x1f]; - - idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30); - - sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30); - - cv = idx; - - idx = a >> 16; - ct = av_costbl_3_sf[idx & 0x1f]; - st = av_sintbl_3_sf[idx & 0x1f]; - - idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30); - - sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30); - cv = idx; - - idx = a >> 11; - - ct = (int)(((int64_t)av_costbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) + - (int64_t)av_costbl_4_sf[(idx & 0x1f)+1]*(a & 0x7ff) + - 0x400) >> 11); - st = (int)(((int64_t)av_sintbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) + - (int64_t)av_sintbl_4_sf[(idx & 0x1f) + 1] * (a & 0x7ff) + - 0x400) >> 11); - - *c = (int)(((int64_t)cv * ct + (int64_t)sv * st + 0x20000000) >> 30); - - *s = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30); -} +void av_sincos_sf(int a, int *s, int *c); #endif /* AVUTIL_SOFTFLOAT_H */ -- cgit v1.2.3