Files
veejay/veejay-ng/pluginpack/lvd_blurring.c
Niels Elburg df93af17f1 added 7 new livido plugins to veejay-ng 's plugin base
git-svn-id: svn://code.dyne.org/veejay/trunk@625 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
2006-10-08 19:33:44 +00:00

251 lines
7.1 KiB
C

/*
* LIBVJE - veejay fx library
*
* Copyright(C)2006 Niels Elburg <nelburg@looze.net>
* See COPYING for software license and distribution details
*/
#define IS_LIVIDO_PLUGIN
#include <livido.h>
LIVIDO_PLUGIN
#include "utils.h"
#include "livido-utils.c"
typedef struct
{
uint8_t *tmpy;
uint8_t *tmpu;
uint8_t *tmpv;
int empty;
} bg_t;
livido_init_f init_instance( livido_port_t *my_instance )
{
int w=0;
int h=0;
lvd_extract_dimensions( my_instance, "out_channels", &w, &h );
bg_t *b = (bg_t*) livido_malloc( sizeof( bg_t ));
memset( b,0,sizeof(bg_t));
b->tmpy = (uint8_t*) livido_malloc(sizeof(uint8_t) * w * h );
b->tmpu = (uint8_t*) livido_malloc(sizeof(uint8_t) * w * h );
b->tmpv = (uint8_t*) livido_malloc(sizeof(uint8_t) * w * h );
int error = livido_property_set( my_instance, "PLUGIN_private", LIVIDO_ATOM_TYPE_VOIDPTR, 1, &b );
return error;
}
livido_deinit_f deinit_instance( livido_port_t *my_instance )
{
bg_t *b = NULL;
int error = livido_property_get( my_instance, "PLUGIN_private",
0, &b );
#ifdef STRICT_CHECKING
assert( b != NULL );
#endif
livido_free( b->tmpy );
livido_free( b->tmpu );
livido_free( b->tmpv );
livido_free( b );
return LIVIDO_NO_ERROR;
}
void softblur1_apply( uint8_t *out, uint8_t *plane, int width, int height)
{
int r, c;
int len = (width * height);
for (r = 0; r < len; r += width) {
for (c = 1; c < width-1; c++) {
out[c + r] = (plane[r + c - 1] +
plane[r + c] +
plane[r + c + 1]
) / 3;
}
}
}
void softblur2_apply(uint8_t *out, uint8_t *plane, int width, int height ) {
int r,c;
const int len = (width * height);
for(c = 1; c < width - 1; c ++ )
out[c ] =
(plane[c - 1] +
plane[c] +
plane[c + 1]
) / 3;
for(r=width; r < (len-width); r+=width) {
for(c=1; c < (width-1); c++) {
out[r+c] = ( plane[r - width + c - 1] +
plane[r - width + c ] +
plane[r + c + 1] +
plane[r - width + c] +
plane[r + c] +
plane[r + c + 1] +
plane[r + width + c - 1] +
plane[r + width + c] +
plane[r + width + c + 1] ) / 9;
}
}
for( c = (len-width) ; c < len; c ++ )
out[c ] = (plane[c - 1] +
plane[c] +
plane[c + 1]
) / 3;
}
livido_process_f process_instance( livido_port_t *my_instance, double timecode )
{
uint8_t *A[4] = {NULL,NULL,NULL,NULL};
uint8_t *O[4]= {NULL,NULL,NULL,NULL};
int palette[3];
int w[3];
int h[3];
int error = lvd_extract_channel_values( my_instance, "in_channels", 0, &w[0], &h[0], A, &palette[0] );
if( error != LIVIDO_NO_ERROR )
return LIVIDO_ERROR_HARDWARE; //@ error codes in livido flanky
error = lvd_extract_channel_values( my_instance, "out_channels", 0, &w[2],&h[2], O,&palette[2] );
if( error != LIVIDO_NO_ERROR )
return LIVIDO_ERROR_HARDWARE; //@ error codes in livido flanky
#ifdef STRICT_CHECKING
assert( A[0] != NULL );
assert( A[1] != NULL );
assert( A[2] != NULL );
assert( O[0] != NULL );
assert( O[1] != NULL );
assert( O[2] != NULL );
assert( O[3] != NULL );
#endif
bg_t *b = NULL;
error = livido_property_get( my_instance, "PLUGIN_private", 0, &b );
#ifdef STRICT_CHECKING
assert( error == NULL );
#endif
int type = lvd_extract_param_index(
my_instance,
"in_parameters",
0 );
int len = w[0] * h[0];
int uw,uh;
int uv_len = lvd_uv_plane_len( palette[0],w[0],h[0] );
lvd_uv_dimensions( palette[0] ,w[0],h[0], &uw, &uh );
int i,j;
int wid = w[0];
int hei = h[0];
switch(type)
{
case 0:
softblur1_apply( O[0], A[0], wid, hei );
softblur1_apply( O[1], A[1], uw, uh);
softblur1_apply( O[2], A[2], uw, uh );
break;
case 1:
softblur2_apply( O[0], A[0], wid, hei );
softblur2_apply( O[1], A[1], uw, uh);
softblur2_apply( O[2], A[2], uw, uh );
break;
}
return LIVIDO_NO_ERROR;
}
livido_port_t *livido_setup(livido_setup_t list[], int version)
{
LIVIDO_IMPORT(list);
livido_port_t *port = NULL;
livido_port_t *in_params[1];
livido_port_t *in_chans[2];
livido_port_t *out_chans[1];
livido_port_t *info = NULL;
livido_port_t *filter = NULL;
info = livido_port_new( LIVIDO_PORT_TYPE_PLUGIN_INFO );
port = info;
livido_set_string_value( port, "maintainer", "Niels");
livido_set_string_value( port, "version","1");
filter = livido_port_new( LIVIDO_PORT_TYPE_FILTER_CLASS );
livido_set_int_value( filter, "api_version", LIVIDO_API_VERSION );
livido_set_voidptr_value( filter, "deinit_func", &deinit_instance );
livido_set_voidptr_value( filter, "init_func", &init_instance );
livido_set_voidptr_value( filter, "process_func", &process_instance );
port = filter;
livido_set_string_value( port, "name", "Soft blur");
livido_set_string_value( port, "description", "Blur the image");
livido_set_string_value( port, "author", "Niels Elburg");
livido_set_int_value( port, "flags", 0);
livido_set_string_value( port, "license", "GPL2");
livido_set_int_value( port, "version", 1);
int palettes0[] = {
LIVIDO_PALETTE_YUV420P,
LIVIDO_PALETTE_YUV422P,
LIVIDO_PALETTE_YUV444P,
0
};
in_params[0] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[0];
livido_set_string_value(port, "name", "Type" );
livido_set_string_value(port, "kind", "INDEX" );
livido_set_int_value( port, "min", 0 );
livido_set_int_value( port, "max", 1 );
livido_set_int_value( port, "default", 0 );
livido_set_string_value( port, "description" ,"Type of blur");
in_chans[0] = livido_port_new( LIVIDO_PORT_TYPE_CHANNEL_TEMPLATE );
port = in_chans[0];
livido_set_string_value( port, "name", "Channel A");
livido_set_int_array( port, "palette_list", 3, palettes0);
livido_set_int_value( port, "flags", 0);
out_chans[0] = livido_port_new( LIVIDO_PORT_TYPE_CHANNEL_TEMPLATE );
port = out_chans[0];
livido_set_string_value( port, "name", "Output Channel");
livido_set_int_array( port, "palette_list", 3, palettes0);
livido_set_int_value( port, "flags", 0);
livido_set_portptr_array( filter, "in_channel_templates", 1 , in_chans );
livido_set_portptr_array( filter, "out_parameter_templates",0, NULL );
livido_set_portptr_array( filter, "in_parameter_templates",1, in_params );
livido_set_portptr_array( filter, "out_channel_templates", 1, out_chans );
livido_set_portptr_value(info, "filters", filter);
return info;
}