自学教程：C++ vj_calloc函数代码示例

vj_effect *dupmagic_init(int w, int h){	vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));	ve->num_params = 1;	ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */	ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */	ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */	ve->defaults[0] = 5;	ve->description = "Strong Luma Overlay";	ve->limits[0][0] = 0;	ve->limits[1][0] = 12;	ve->extra_frame = 1;	ve->parallel = 1;    	ve->sub_format = -1;	ve->has_user = 0;	ve->parallel = 1;	ve->param_description = vje_build_param_list( ve->num_params, "Mode" );	ve->hints = vje_init_value_hint_list( ve->num_params );	vje_build_value_hint_list( ve->hints, ve->limits[1][0], 0, "Softburn", "Additive",	   "Multiply", "Divide", "Lighten", "Difference Negate", "Freeze", "Unfreeze", "Relative Add",	   "Relative Add Luma",	"Max Select", "Min Select", "Experimental"   );	return ve;}

vj_effect *colormap_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 255;    ve->limits[0][1] = 0;    ve->limits[1][1] = 255;    ve->limits[0][2] = 0;    ve->limits[1][2] = 255;    ve->defaults[0] = 46;    ve->defaults[1] = 109;    ve->defaults[2] = 92;    ve->description = "Color mapping";    ve->sub_format = -1;    ve->extra_frame = 0;	ve->has_user = 0;	ve->parallel = 1;	ve->param_description = vje_build_param_list( ve->num_params, "Red","Green","Blue" );    return ve;}

vj_effect *contourextract_init(int width, int height){    //int i,j;    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 5;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 255;    ve->limits[0][1] = 0;	/* reverse */    ve->limits[1][1] = 1;    ve->limits[0][2] = 0;	/* show thresholded image / contour */    ve->limits[1][2] = 2;    ve->limits[0][3] = 1;	/* thinning */    ve->limits[1][3] = 100;    ve->limits[0][4] = 1;	/* minimum blob weight */    ve->limits[1][4] = 5000;    ve->defaults[0] = 30;    ve->defaults[1] = 0;    ve->defaults[2] = 0;    ve->defaults[3] = 3;    ve->defaults[4] = 200;    ve->description = "Contour extraction";    ve->extra_frame = 0;    ve->sub_format = 0;    ve->has_user = 1;    ve->user_data = NULL;    ve->param_description = vje_build_param_list( ve->num_params, "Threshold", "Mode", "Show image/contour", "Thinning", "Min weight" );    return ve;}

vj_effect *noisepencil_init(int width , int height){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);    ve->defaults[0] = 0;	/* type */    ve->defaults[1] = 1000;    ve->defaults[2] = 68;    ve->defaults[3] = 110;      ve->limits[0][0] = 0;    ve->limits[1][0] = 3;    ve->limits[0][1] = 1;    ve->limits[1][1] = 10000;    ve->limits[0][2] = 0;    ve->limits[1][2] = 255;    ve->limits[0][3] = 0;    ve->limits[1][3] = 255;	ve->param_description = vje_build_param_list(ve->num_params, "Mode", "Amplification", "Min Threshold", "Max Threshold");    ve->description = "Noise Pencil";    ve->extra_frame = 0;    ve->sub_format = 0;	ve->has_user = 0;    return ve;}

vj_effect *videowall_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0; // selector    ve->limits[1][0] = n_pics(w,h);    ve->limits[0][1] = 0;    ve->limits[1][1] = w; // displacement x    ve->limits[0][2] = 0;    ve->limits[1][2] = h; // displacement y    ve->limits[0][3] = 0;    ve->limits[1][3] = 1; // lock update of x,y in offset[selector]    ve->defaults[0] = 0;    ve->defaults[1] = 1;    ve->defaults[2] = 1;     ve->defaults[3] = 0;     ve->description = "VideoWall / Tile Placement";    ve->sub_format = 1; // todo: optimize to work in 4:2:0/4:2:2, see also photo/video play.c    ve->extra_frame = 1;    ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Photos","X Displacement", "Y displacement", "Lock update");    return ve;}

vj_effect *constantblend_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 31;    ve->limits[0][1] = 1;  // scale from 0.0 to 5.0 (only luma)    ve->limits[1][1] = 500;    ve->limits[0][2] = pixel_Y_lo_;    ve->limits[1][2] = pixel_Y_hi_;    ve->defaults[0] = 1;   // blend type (additive)    ve->defaults[1] = 110; // scale before blend    ve->defaults[2] = 16;  // constant Y    ve->description = "Constant Luminance Blend";    ve->parallel = 1;    ve->sub_format = 0;    ve->extra_frame = 0;    ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Mode", "Threshold", "Constant" );    return ve;}

vj_effect *bar_init(int width, int height){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 5;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *)vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = 4;    ve->defaults[1] = 1;    ve->defaults[2] = 3;    ve->defaults[3] = 0;    ve->defaults[4] = 0;    ve->limits[0][0] = 1;    ve->limits[1][0] = height;    ve->sub_format = 1;    ve->limits[0][1] = 0;    ve->limits[1][1] = height;    ve->limits[0][2] = 0;    ve->limits[1][2] = height;    ve->limits[0][3] = 0;    ve->limits[1][3] = height;    ve->limits[0][4] = 0;    ve->limits[1][4] = height;    ve->description = "Horizontal Sliding Bars";    ve->extra_frame = 1;	ve->has_user = 0;	ve->param_description = vje_build_param_list(ve->num_params, "Divider", "Top Y", "Bot Y", "Top X", "Bot X");    return ve;}

vj_effect *toalpha_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 1;    ve->description = "Alpha: Set from Image";    ve->sub_format = -1;    ve->extra_frame = 0;    ve->parallel = 1;	ve->has_user = 0;	ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);     /* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);    /* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);    /* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 1;    ve->defaults[0] = !yuv_use_auto_ccir_jpeg();    ve->param_description = vje_build_param_list( ve->num_params, "Scale Luminance to range 0-255 (1=on)" );	ve->alpha = FLAG_ALPHA_OUT;	__init_lookup_table( __lookup_table, 256, 16.0f, 235.0f, 0, 255 ); 	ve->hints = vje_init_value_hint_list( ve->num_params );	vje_build_value_hint_list( ve->hints, ve->limits[1][0], 0, "Verbatim", "Full range" );    return ve;}

vj_effect *tripplicity_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 255; // opacity Y    ve->limits[0][1] = 0;    ve->limits[1][1] = 255; // opacity Cb    ve->limits[0][2] = 0;    ve->limits[1][2] = 255; // opacity Cr    ve->defaults[0] = 150;    ve->defaults[1] = 150;    ve->defaults[2] = 150;    ve->description = "Normal Overlay (per Channel)";    ve->sub_format = 0;    ve->extra_frame = 1;    ve->has_user = 0;    ve->parallel = 1;    ve->param_description = vje_build_param_list( ve->num_params, "Opacity Y", "Opacity Cb", "Opacity Cr" );    return ve;}

vj_effect *mtracer_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 2;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 32;    ve->limits[0][1] = 1;    ve->limits[1][1] = 25;    ve->defaults[0] = 150;    ve->defaults[1] = 8;    ve->description = "Magic Tracer";    ve->sub_format = -1;    ve->extra_frame = 1;    ve->has_user = 0;	    ve->param_description = vje_build_param_list( ve->num_params, "Mode", "Length");	ve->hints = vje_init_value_hint_list( ve->num_params );	vje_build_value_hint_list( ve->hints, ve->limits[1][0], 0,		"Additive", "Subtractive","Multiply","Divide","Lighten","Hardlight",		"Difference","Difference Negate","Exclusive","Base","Freeze",		"Unfreeze","Relative Add","Relative Subtract","Max select", "Min select",		"Relative Luma Add", "Relative Luma Subtract", "Min Subselect", "Max Subselect",		"Add Subselect", "Add Average", "Experimental 1","Experimental 2", "Experimental 3",		"Multisub", "Softburn", "Inverse Burn", "Dodge", "Distorted Add", "Distorted Subtract", "Experimental 4", "Negation Divide");    return ve;}

vj_effect *average_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 2;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 1;    ve->limits[1][0] = 1000;	ve->limits[0][1] = 0;	ve->limits[1][1] = 1;    ve->defaults[0] = 1;	ve->defaults[1] = 0;	ve->parallel = 0; //@ cannot run in parallel    ve->description = "Average";    ve->sub_format = 1;     ve->extra_frame = 0;	ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Number of frames to average", "Mode");	ve->hints = vje_init_value_hint_list( ve->num_params );	vje_build_value_hint_list( ve->hints, ve->limits[1][1], 1, "Running Average", "Average" ); 	return ve;}

vj_effect *transline_init(int width, int height){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = 150;	/* opacity */    ve->defaults[1] = 10;	/* line width */    ve->defaults[2] = 3;	/* distance */    ve->defaults[3] = 0;	/* type */        ve->limits[0][0] = 0;    ve->limits[1][0] = 255;    ve->limits[0][1] = 1;    ve->limits[1][1] = width;    ve->limits[0][2] = 2;    ve->limits[1][2] = width;    ve->limits[0][3] = 0;    ve->limits[1][3] = 1;    ve->sub_format = 1;    ve->description = "Transition Line";    ve->extra_frame = 1;	ve->has_user = 0;	ve->param_description = vje_build_param_list(ve->num_params, "Opacity", "Line width", "Distance" , "Mode");    return ve;}

vj_effect *zoom_init(int width , int height){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = width/2;    ve->defaults[1] = height/2;    ve->defaults[2] = 50;    ve->defaults[3] = 1;    ve->limits[0][0] = 0;    ve->limits[1][0] = width;    ve->limits[0][1] = 0;    ve->limits[1][1] = height;    ve->limits[0][2] = 10;    ve->limits[1][2] = 100;    ve->limits[0][3] = 0;    ve->limits[1][3] = 1;    ve->description = "Zoom";    ve->sub_format = 1;    ve->extra_frame = 0;    ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Width", "Height", "Factor", "Mode" );    return ve;}

vj_effect *autoeq_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 1;    ve->limits[0][1] = 0;    ve->limits[1][1] = 255;    ve->limits[0][2] = 0;    ve->limits[1][2] = 255;    ve->defaults[0] = 0; // y only, v only, u only, all    ve->defaults[1] = 200; // intensity    ve->defaults[2] = 132; // strength    ve->description = "Automatic Histogram Equalizer";    ve->sub_format = 0;    ve->extra_frame = 0;    ve->has_user = 0;    ve->param_description = vje_build_param_list( ve->num_params, "Channel (Y,U,V,All)","Intensity","Strength");    return ve;}

vj_effect *cutstop_init(int width , int height){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = 40; // treshold    ve->defaults[1] = 50; // hold frame freq    ve->defaults[2] = 0;   // cut mode    ve->defaults[3] = 0;   // hold front/back    ve->limits[0][0] = 0;    ve->limits[1][0] = 255;    ve->limits[0][1] = 0;    ve->limits[1][1] = 255;    ve->limits[0][2] = 0;    ve->limits[1][2] = 1;    ve->limits[0][3] = 0;    ve->limits[1][3] = 1;    ve->description = "vvCutStop";    ve->sub_format = 1;    ve->extra_frame = 0;	ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Threshold", "Frame freq", "Cut mode", "Hold front/back" );		frq_cnt = 256;    return ve;}

vj_effect *neighbours3_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 2;    ve->limits[1][0] = 32;	/* line size */    ve->limits[0][1] = 1;    ve->limits[1][1] = 255;     /* smoothness */    ve->limits[0][2] = 0; 	/* luma only / include chroma */    ve->limits[1][2] = 1;    ve->defaults[0] = 9;    ve->defaults[1] = 7;    ve->defaults[2] = 1;    ve->description = "ZArtistic Filter (Horizontal strokes)";    ve->sub_format = 1;    ve->extra_frame = 0;    ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Line size", "Smoothness", "Mode (Luma/Chroma)" );    return ve;}

static	int prepare_filmstrip(int film_length, int w, int h){	int i,j;	int picture_width = w / sqrt(film_length);	int picture_height = h / sqrt(film_length);	photo_list = (picture_t**) vj_calloc(sizeof(picture_t*) * (film_length + 1) );	if(!photo_list)		return 0;	rt = (int*) vj_calloc(sizeof(int) * film_length );	if(!rt)		return 0;	num_photos = film_length;	for ( i = 0; i < num_photos; i ++ )	{		photo_list[i] = vj_malloc(sizeof(picture_t));		if(!photo_list[i])			return 0;		photo_list[i]->w = picture_width;		photo_list[i]->h = picture_height;		for( j = 0; j < 3; j ++ )		{			photo_list[i]->data[j] = vj_malloc(sizeof(uint8_t) * picture_width * picture_height );			if(!photo_list[i]->data[j])				return 0;			veejay_memset(photo_list[i]->data[j], (j==0 ? pixel_Y_lo_ : 128), picture_width *picture_height );		}	}	frame_counter = 0;	return 1;}

vj_effect *magicmirror_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = w/4;    ve->defaults[1] = h/4;    ve->defaults[2] = 20;    ve->defaults[3] = 20;    ve->limits[0][0] = 0;    ve->limits[1][0] = w/2;    ve->limits[0][1] = 0;    ve->limits[1][1] = h/2;    ve->limits[0][2] = 0;    ve->limits[1][2] = 100;    ve->limits[0][3] = 0;    ve->limits[1][3] = 100;    ve->sub_format = 1;    ve->description = "Magic Mirror Surface";	ve->has_user =0;    ve->extra_frame = 0;	ve->param_description = vje_build_param_list(ve->num_params, "X", "Y", "X","Y" );    return ve;}

vj_effect *rgbchannel_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 1;    ve->limits[0][1] = 0;    ve->limits[1][1] = 1;    ve->limits[0][2] = 0;    ve->limits[1][2] = 1;    ve->defaults[0] = 0;    ve->defaults[0] = 0;    ve->defaults[0] = 0;    ve->description = "RGB Channel";    ve->sub_format = 1;    ve->extra_frame = 0;    ve->has_user = 0;	ve->rgba_only = 1;	ve->parallel = 1;	ve->param_description = vje_build_param_list(ve->num_params, "Red", "Green", "Blue");    return ve;}

int magicmirror_malloc(int w, int h){	int i ;	for( i = 0; i < 3 ;i ++ ) {		magicmirrorbuf[i] = (uint8_t*)vj_malloc(sizeof(uint8_t) * RUP8(w*h));		if(!magicmirrorbuf[i])			return 0;	}		funhouse_x = (double*)vj_calloc(sizeof(double) * w );	if(!funhouse_x) return 0;	cache_x = (unsigned int *)vj_calloc(sizeof(unsigned int)*w);	if(!cache_x) return 0;	funhouse_y = (double*)vj_calloc(sizeof(double) * h );	if(!funhouse_y) return 0;	cache_y = (unsigned int*)vj_calloc(sizeof(unsigned int)*h);	if(!cache_y) return 0;	veejay_memset(cache_x,0,w);	veejay_memset(cache_y,0,h);	n__ =0;	N__ =0;	return 1;}

vj_effect *autoeq_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;    ve->limits[1][0] = 1;    ve->limits[0][1] = 0;    ve->limits[1][1] = 255;    ve->limits[0][2] = 0;    ve->limits[1][2] = 255;    ve->defaults[0] = 0; // show histogram    ve->defaults[1] = 200; // intensity    ve->defaults[2] = 132; // strength    ve->description = "Automatic Histogram Equalizer";    ve->sub_format = 0;    ve->extra_frame = 0;    ve->has_user = 0;    ve->param_description = vje_build_param_list( ve->num_params, "Mode","Intensity","Strength");    ve->hints = vje_init_value_hint_list( ve->num_params );    vje_build_value_hint_list( ve->hints, ve->limits[1][0],0,		    "Show Histogram", "Equalize Frame" );    return ve;}

vj_effect *raster_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 2;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 4;    ve->limits[1][0] = h/4;    ve->limits[0][1] = 0;    ve->limits[1][1] = 1;    ve->defaults[0] = 4;    ve->defaults[1] = 1;	ve->description = "Grid";    ve->sub_format = 0;    ve->extra_frame = 0;	ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Grid size", "Mode");	ve->hints = vje_init_value_hint_list( ve->num_params );	vje_build_value_hint_list( ve->hints, ve->limits[1][1], 1,"Black", "White" );    return ve;}

vj_effect *fibdownscale_init(int w, int h){	vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));	ve->num_params = 2;	ve->description = "Fibonacci Downscaler";	ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */	ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */	ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */	ve->defaults[0] = 0;	ve->defaults[1] = 1;	ve->limits[0][0] = 0;	ve->limits[0][1] = 1;	ve->limits[1][0] = 1;	ve->limits[1][1] = 8;	ve->sub_format = -1;	ve->extra_frame = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Mode", "Fib" );	ve->has_user = 0;	ve->hints = vje_init_value_hint_list( ve->num_params );	vje_build_value_hint_list( ve->hints,ve->limits[0][1],0, "Down", "Rectangle" );	return ve;}

int	chameleon_malloc(int w, int h){	int i;	for( i = 0; i < 3; i ++ ) {		bgimage[i] = vj_malloc(sizeof(uint8_t) * RUP8(w * h) + RUP8(w*2) );		tmpimage[i] = vj_malloc(sizeof(uint8_t) * RUP8(w * h) );	}	vj_frame_clear1( bgimage[0], pixel_Y_lo_, RUP8(w*h));	vj_frame_clear1( tmpimage[0], pixel_Y_lo_, RUP8(w*h));	for( i = 1; i < 3; i ++ ) {		vj_frame_clear1( bgimage[i], 128, RUP8(w*h));		vj_frame_clear1( tmpimage[i], 128, RUP8(w*h));	}		sum = (int32_t*) vj_calloc( RUP8(w * h) * sizeof(int32_t));	timebuffer = (uint8_t*) vj_calloc( RUP8(w * h) * PLANES );	has_bg = 0;	plane = 0;	N__ = 0;	n__ = 0;	last_mode_ = -1;	return 1;}

vj_effect *greyselect_init(int w, int h){    vj_effect *ve;    ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = 4500;	/* angle */    ve->defaults[1] = 255;	/* r */    ve->defaults[2] = 0;	/* g */    ve->defaults[3] = 0;	/* b */    ve->limits[0][0] = 1;    ve->limits[1][0] = 9000;    ve->limits[0][1] = 0;    ve->limits[1][1] = 255;    ve->limits[0][2] = 0;    ve->limits[1][2] = 255;    ve->limits[0][3] = 0;    ve->limits[1][3] = 255;	ve->has_user = 0;    ve->parallel = 1;	ve->description = "Grayscale by Color Key (RGB)";    ve->extra_frame = 0;    ve->sub_format = 1;    ve->rgb_conv = 1;	ve->param_description = vje_build_param_list(ve->num_params,"Angle","Red","Green","Blue");    return ve;}

vj_effect *contrast_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);    ve->defaults[0] = 2;	/* type */    ve->defaults[1] = 125;    ve->defaults[2] = 200;    ve->limits[0][0] = 0;    ve->limits[1][0] = 2;    ve->limits[0][1] = 0;    ve->limits[1][1] = 255;    ve->limits[0][2] = 0;    ve->limits[1][2] = 255;    ve->parallel = 1;	ve->description = "Contrast";	ve->has_user = 0;	ve->parallel = 1;    ve->extra_frame = 0;    ve->sub_format = -1;	ve->param_description = vje_build_param_list( ve->num_params, "Mode", "Luma", "Chroma" );	ve->hints = vje_init_value_hint_list( ve->num_params );		vje_build_value_hint_list( ve->hints, ve->limits[1][0], 0,			"Luma Only", "Chroma Only" ,"All Channels" );    return ve;}

vj_effect *radcor_init(int w, int h){	vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));	ve->num_params = 3;	ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */	ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */	ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */	ve->limits[0][0] = 1;	ve->limits[1][0] = 1000;	ve->limits[0][1] = 1;	ve->limits[1][1] = 1000;	ve->limits[0][2] = 0;	ve->limits[1][2] = 1;	ve->limits[0][1] = 0;	ve->limits[1][1] = 1;	ve->defaults[0] = 10;	ve->defaults[1] = 40;	ve->defaults[2] = 0;	ve->description = "Lens correction";	ve->sub_format = 1;	ve->extra_frame = 0;	ve->has_user = 0;	ve->alpha = FLAG_ALPHA_OPTIONAL | FLAG_ALPHA_OUT;	ve->param_description = vje_build_param_list( ve->num_params, "Alpha X", "Alpha Y", "Direction", "Update Alpha");	return ve;}

vj_effect *slidingdoor_init(int width, int height){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 1;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = 0;     ve->limits[0][0] = 0;    ve->limits[1][0] = 7;        ve->sub_format = 1;    ve->parallel = 1;    ve->description = "Channel Overlay";    ve->extra_frame = 1;	ve->has_user = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Operator" );	ve->hints = vje_init_value_hint_list( ve->num_params );	vje_build_value_hint_list( ve->hints, ve->limits[1][0],0,					"Luminance B",					"Negative Luminance B",					"Chroma Blue B",					"Negative Chroma Blue B",					"Chroma Red B",					"Negative Chroma Red B",					"Alpha B",					"Negative Alpha B" );    return ve;}

vj_effect *fadecolor_init(int w,int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 4;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->defaults[0] = 255;    ve->defaults[1] = VJ_EFFECT_COLOR_BLACK;    ve->defaults[2] = 15;    ve->defaults[3] = 1;    ve->sub_format = 0;    ve->limits[0][0] = 1;    ve->limits[1][0] = 255;    ve->limits[0][1] = 0;    ve->limits[1][1] = 7;    ve->limits[0][2] = 1;    ve->limits[1][2] = (120 * 25);    ve->limits[0][3] = 0;    ve->limits[1][3] = 1;	ve->has_user = 0;    ve->description = "Transition Fade to Color";    ve->extra_frame = 0;	ve->param_description = vje_build_param_list(ve->num_params, "Opacity", "Color", "Frame length", "Mode" );    return ve;}

vj_effect *colmorphology_init(int w, int h){    vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));    ve->num_params = 3;    ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* default values */    ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* min */    ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params);	/* max */    ve->limits[0][0] = 0;  // threshold    ve->limits[1][0] = 255;    	ve->limits[0][1] = 0; // morpology operator (dilate,erode, ... )	ve->limits[1][1] = 8;	ve->limits[0][2] = 0;	ve->limits[1][2] = 1; // type	    ve->defaults[0] = 140;    ve->defaults[1] = 1;    ve->defaults[2] = 0;    ve->description = "Colored Morphology";    ve->sub_format = 1;    ve->extra_frame = 0;    ve->has_user = 0;	ve->parallel = 0;	ve->param_description = vje_build_param_list( ve->num_params, "Threshold","Kernel", "Dilate or Erode");    return ve;}