if(t) return t;
printf("\nantes\n"); if(t) 	return t; printf("\ndespues\n");
SwsFunc yuv2rgb_get_func_ptr (SwsContext *c){#if defined(ARCH_X86) || defined(ARCH_X86_64)    if(c->flags & SWS_CPU_CAPS_MMX2){	switch(c->dstFormat){	case IMGFMT_BGR32: return yuv420_rgb32_MMX2;	case IMGFMT_BGR24: return yuv420_rgb24_MMX2;	case IMGFMT_BGR16: return yuv420_rgb16_MMX2;	case IMGFMT_BGR15: return yuv420_rgb15_MMX2;	}    }    if(c->flags & SWS_CPU_CAPS_MMX){	switch(c->dstFormat){	case IMGFMT_BGR32: return yuv420_rgb32_MMX;	case IMGFMT_BGR24: return yuv420_rgb24_MMX;	case IMGFMT_BGR16: return yuv420_rgb16_MMX;	case IMGFMT_BGR15: return yuv420_rgb15_MMX;	}    }#endif#ifdef HAVE_MLIB    {	SwsFunc t= yuv2rgb_init_mlib(c);	if(t) return t;    }#endif#ifdef HAVE_ALTIVEC    if (c->flags & SWS_CPU_CAPS_ALTIVEC)    {	SwsFunc t = yuv2rgb_init_altivec(c);	if(t) return t;    }#endif    MSG_WARN("No accelerated colorspace conversion found\n");    switch(c->dstFormat){    case IMGFMT_RGB32:    case IMGFMT_BGR32: return yuv2rgb_c_32;    case IMGFMT_RGB24: return yuv2rgb_c_24_rgb;    case IMGFMT_BGR24: return yuv2rgb_c_24_bgr;    case IMGFMT_RGB16:    case IMGFMT_BGR16:    case IMGFMT_RGB15:    case IMGFMT_BGR15: return yuv2rgb_c_16;    case IMGFMT_RGB8:    case IMGFMT_BGR8:  return yuv2rgb_c_8_ordered_dither;    case IMGFMT_RGB4:    case IMGFMT_BGR4:  return yuv2rgb_c_4_ordered_dither;    case IMGFMT_RG4B:    case IMGFMT_BG4B:  return yuv2rgb_c_4b_ordered_dither;    case IMGFMT_RGB1:    case IMGFMT_BGR1:  return yuv2rgb_c_1_ordered_dither;    default:    	assert(0);    }    return NULL;}