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colmorphology #42

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This commit is contained in:
niels
2015-11-12 23:12:00 +01:00
parent f79b366ca5
commit e3c315f44b
1 changed files with 38 additions and 29 deletions
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67
veejay-current/veejay-server/libvje/effects/colmorphology.c
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@@ -39,17 +39,18 @@ vj_effect *colmorphology_init(int w, int h)
ve->limits[0][1] = 0; // morpology operator (dilate,erode, ... )
ve->limits[1][1] = 8;
ve->limits[0][2] = 0;
ve->limits[1][2] = 1; // passes
ve->limits[1][2] = 1; // type
ve->defaults[0] = 140;
ve->defaults[1] = 0;
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->param_description = vje_build_param_list( ve->num_params, "Threshold","Operator mode","Repeat");
ve->parallel = 0;
ve->param_description = vje_build_param_list( ve->num_params, "Threshold","Kernel", "Dilate or Erode");
return ve;
}
@@ -70,7 +71,7 @@ void colmorphology_free(void)
binary_img = NULL;
}
static uint8_t _dilate_kernel3x3( uint8_t *kernel, uint8_t img[9])
static inline uint8_t _dilate_kernel3x3( uint8_t *kernel, uint8_t img[9])
{
register int x;
/* consider all background pixels (0) in input image */
@@ -81,7 +82,7 @@ static uint8_t _dilate_kernel3x3( uint8_t *kernel, uint8_t img[9])
}
static uint8_t _erode_kernel3x3( uint8_t *kernel, uint8_t img[9])
static inline uint8_t _erode_kernel3x3( uint8_t *kernel, uint8_t img[9])
{
register int x;
/* consider all background pixels (0) in input image */
@@ -91,19 +92,10 @@ static uint8_t _erode_kernel3x3( uint8_t *kernel, uint8_t img[9])
return pixel_Y_hi_;
}
static morph_func _morphology_function(int i)
{
if( i == 0 )
return _dilate_kernel3x3;
return _erode_kernel3x3;
}
void colmorphology_apply( VJFrame *frame, int width, int height, int threshold, int type, int passes )
{
unsigned int i,x,y;
int len = (width * height);
int t=0;
unsigned int len = frame->len;
uint8_t *Y = frame->data[0];
uint8_t *Cb = frame->data[1];
uint8_t *Cr = frame->data[2];
@@ -118,29 +110,46 @@ void colmorphology_apply( VJFrame *frame, int width, int height, int threshold,
{ 0,0,0, 0,0,0, 1,1,1 }
};
morph_func p = _morphology_function(passes);
for( i = 0; i < len; i ++ )
{
binary_img[i] = ( Y[i] < threshold ? 0: 0xff );
t++;
}
len -= width;
/* compute dilation of binary image with kernel */
for(y = width; y < len; y += width )
{
for(x = 1; x < width-1; x ++)
if( passes == 0 ) {
for(y = width; y < len; y += width )
{
if(binary_img[x+y] == 0)
{
uint8_t mt[9] = {
binary_img[x-1+y-width], binary_img[x+y-width], binary_img[x+1+y-width],
binary_img[x-1+y], binary_img[x+y] , binary_img[x+1+y],
binary_img[x-1+y+width], binary_img[x+y+width], binary_img[x+1+y+width]
};
Y[x+y] = p( kernels[type], mt );
for(x = 1; x < width-1; x ++)
{
if(binary_img[x+y] == 0)
{
uint8_t mt[9] = {
binary_img[x-1+y-width], binary_img[x+y-width], binary_img[x+1+y-width],
binary_img[x-1+y], binary_img[x+y] , binary_img[x+1+y],
binary_img[x-1+y+width], binary_img[x+y+width], binary_img[x+1+y+width]
};
Y[x+y] = _dilate_kernel3x3(kernels[type], mt);
}
}
}
}
else {
for(y = width; y < len; y += width )
{
for(x = 1; x < width-1; x ++)
{
if(binary_img[x+y] == 0)
{
uint8_t mt[9] = {
binary_img[x-1+y-width], binary_img[x+y-width], binary_img[x+1+y-width],
binary_img[x-1+y], binary_img[x+y] , binary_img[x+1+y],
binary_img[x-1+y+width], binary_img[x+y+width], binary_img[x+1+y+width]
};
Y[x+y] = _erode_kernel3x3( kernels[type], mt );
}
}
}
}