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Don't redefine M_PI. It is already defined from libavutil/mathematics.h.

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Originally committed as revision 30412 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Ramiro Polla 2010-01-24 02:16:26 +00:00
parent a4388ebd37
commit 2658e7a6e7
1 changed files with 4 additions and 10 deletions
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14
libswscale/utils.c
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@ -65,12 +65,6 @@ const char *swscale_license(void)
#define RET 0xC3 //near return opcode for x86
#ifdef M_PI
#define PI M_PI
#else
#define PI 3.14159265358979323846
#endif
#define isSupportedIn(x) ( \
(x)==PIX_FMT_YUV420P \
|| (x)==PIX_FMT_YUVA420P \
@ -299,7 +293,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi
double c;
if (floatd<1.0)
c = cos(floatd*PI);
c = cos(floatd*M_PI);
else
c=-1.0;
if (c<0.0) c= -pow(-c, A);
@ -315,10 +309,10 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
coeff = (pow(2.0, - p*floatd*floatd))*fone;
} else if (flags & SWS_SINC) {
coeff = (d ? sin(floatd*PI)/(floatd*PI) : 1.0)*fone;
coeff = (d ? sin(floatd*M_PI)/(floatd*M_PI) : 1.0)*fone;
} else if (flags & SWS_LANCZOS) {
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
coeff = (d ? sin(floatd*PI)*sin(floatd*PI/p)/(floatd*floatd*PI*PI/p) : 1.0)*fone;
coeff = (d ? sin(floatd*M_PI)*sin(floatd*M_PI/p)/(floatd*floatd*M_PI*M_PI/p) : 1.0)*fone;
if (floatd>p) coeff=0;
} else if (flags & SWS_BILINEAR) {
coeff= (1<<30) - d;
@ -1287,7 +1281,7 @@ SwsVector *sws_getGaussianVec(double variance, double quality)
for (i=0; i<length; i++) {
double dist= i-middle;
vec->coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI);
vec->coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*M_PI);
}
sws_normalizeVec(vec, 1.0);