static void toright(unsigned char *dst[3], unsigned char *src[3], int dststride[3], int srcstride[3], int w, int h, struct vf_priv_s* p) { int k; for (k = 0; k < 3; k++) { unsigned char* fromL = src[k]; unsigned char* fromR = src[k]; unsigned char* to = dst[k]; int src = srcstride[k]; int dst = dststride[k]; int ss; unsigned int dd; int i; if (k > 0) { i = h / 4 - p->skipline / 2; ss = src * (h / 4 + p->skipline / 2); dd = w / 4; } else { i = h / 2 - p->skipline; ss = src * (h / 2 + p->skipline); dd = w / 2; } fromR += ss; for ( ; i > 0; i--) { int j; unsigned char* t = to; unsigned char* sL = fromL; unsigned char* sR = fromR; if (p->scalew == 1) { for (j = dd; j > 0; j--) { *t++ = (sL[0] + sL[1]) / 2; sL+=2; } for (j = dd ; j > 0; j--) { *t++ = (sR[0] + sR[1]) / 2; sR+=2; } } else { for (j = dd * 2 ; j > 0; j--) *t++ = *sL++; for (j = dd * 2 ; j > 0; j--) *t++ = *sR++; } if (p->scaleh == 1) { fast_memcpy(to + dst, to, dst); to += dst; } to += dst; fromL += src; fromR += src; } //printf("K %d %d %d %d %d \n", k, w, h, src, dst); } }