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cleanup & more optimize

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9366 b3059339-0415-0410-9bf9-f77b7e298cf2
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arpi 2003-02-09 12:51:59 +00:00
parent b571babb13
commit f8824d05a3
1 changed files with 5 additions and 16 deletions
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21
libmpcodecs/vf_denoise3d.c
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@ -68,20 +68,7 @@ void uninit(struct vf_instance_s* vf)
free(vf->priv->Line);
}
//#define LowPass(Prev, Curr, Coef) (((Prev)*Coef[Prev - Curr] + (Curr)*(65536-(Coef[Prev - Curr]))) / 65536)
//#define LowPass(Prev, Curr, Coef) (( Prev*Coef[Prev-Curr] + Curr*(65536-(Coef[Prev-Curr])) )/65536)
//#define LowPass(Prev, Curr, Coef) (( Prev*Coef[Prev-Curr] + Curr*65536 - Curr*Coef[Prev-Curr] )/65536)
//#define LowPass(Prev, Curr, Coef) (((int)(Curr)) + (( (int)Prev*Coef[Prev-Curr] - (int)Curr*Coef[Prev-Curr] )>>16) )
//#define LowPass(Prev, Curr, Coef) (Curr + (( Prev*Coef[Prev-Curr] - Curr*Coef[Prev-Curr] )>>16) )
//#define LowPass(Prev, Curr, Coef) (Curr + (( (Prev-Curr)*(Coef[Prev-Curr]) )>>16) )
//#define LowPass(Prev, Curr, Coef) (Curr + (((Prev - Curr)*Coef[Prev - Curr]) / 65536))
#define LowPass(Prev, Curr, Coef) (Curr + ((((unsigned int)(Prev - Curr))*Coef[Prev - Curr]) / 65536))
//#define LowPass(Prev, Curr, Coef) (Curr + ((((unsigned int)(Prev - Curr))*Coef[((unsigned int)(Prev - Curr))]) / 65536))
//#define LowPass(Prev, Curr, Coef) (Curr + ((((unsigned char)(Prev - Curr))*Coef[Prev - Curr]) / 65536))
//#define LowPass(Prev, Curr, Coef) (Curr + (( ((((int)(Prev))-((int)(Curr)))) *Coef[Prev - Curr]) / 65536))
//#define LowPass(Prev, Curr, Coef) (Curr + (((unsigned int)((Prev - Curr)*Coef[Prev - Curr])) / 65536))
//#define LowPass(Prev, Curr, Coef) (Curr + (((Prev - Curr)*Coef[Prev - Curr]) >> 16))
#define LowPass(Prev, Curr, Coef) (Curr + Coef[Prev - Curr])
static void deNoise(unsigned char *Frame, // mpi->planes[x]
unsigned char *FramePrev, // pmpi->planes[x]
@ -185,14 +172,16 @@ static int query_format(struct vf_instance_s* vf, unsigned int fmt){
static void PrecalcCoefs(int *Ct, double Dist25)
{
int i;
double Gamma, Simil;
double Gamma, Simil, C;
Gamma = log(0.25) / log(1.0 - Dist25/255.0);
for (i = -256; i <= 255; i++)
{
Simil = 1.0 - ABS(i) / 255.0;
Ct[256+i] = pow(Simil, Gamma) * 65536;
// Ct[256+i] = lround(pow(Simil, Gamma) * (double)i);
C = pow(Simil, Gamma) * (double)i;
Ct[256+i] = (C<0) ? (C-0.5) : (C+0.5);
}
}