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veejay/veejay-ng/pluginpack/lvd_lumakey.c
Niels Elburg a243e54af0 added 3 more plugins to veejay-ng 's plugin base 
git-svn-id: svn://code.dyne.org/veejay/trunk@626 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
2006-10-08 20:43:21 +00:00

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/*
* 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"
livido_init_f init_instance( livido_port_t *my_instance )
{
return LIVIDO_NO_ERROR;
}
livido_deinit_f deinit_instance( livido_port_t *my_instance )
{
return LIVIDO_NO_ERROR;
}
livido_process_f process_instance( livido_port_t *my_instance, double timecode )
{
int len =0;
uint8_t *A[4] = {NULL,NULL,NULL,NULL};
uint8_t *O[4]= {NULL,NULL,NULL,NULL};
uint8_t *B[4] = { NULL,NULL,NULL,NULL };
int palette[3];
int w[3];
int h[3];
int x,y;
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, "in_channels", 1, &w[1], &h[1], B, &palette[1] );
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( w[0] == w[1] );
assert( h[0] == h[1] );
assert( w[2] == w[1] );
assert( h[2] == h[1] );
assert( palette[0] == palette[1] );
assert( palette[2] == palette[1] );
assert( A[0] != NULL );
assert( A[1] != NULL );
assert( A[2] != NULL );
assert( B[0] != NULL );
assert( B[1] != NULL );
assert( B[2] != NULL );
assert( O[0] != NULL );
assert( O[1] != NULL );
assert( O[2] != NULL );
#endif
const int uv_len = lvd_uv_plane_len( palette[0],w[0],h[0] );
len = w[0] * h[0];
uint8_t op0;
uint8_t op1;
double opacity = lvd_extract_param_number( my_instance, "in_parameters", 0 );
double min_t = lvd_extract_param_number( my_instance, "in_parameters", 1 );
double max_t = lvd_extract_param_number( my_instance, "in_parameters", 2 );
const int wid = w[0];
const int hei = h[0];
const uint8_t min_threshold = (const uint8_t)(min_t * 255.0);
const uint8_t max_threshold = (const uint8_t)(max_t * 255.0);
op1 = (uint8_t) (opacity * 255.0);
op0 = 255 - op1;
uint8_t tmp1,tmp2;
for( y = 0; y < len ; y += wid)
{
for(x = 0; x < wid; x ++ )
{
tmp1 = A[0][ x + y ];
tmp2 = B[0][ x + y ];
if( tmp1 >= min_threshold && tmp1 <=
max_threshold )
{
O[0][x+y] = (op0 * tmp1 + op1 * tmp2)>>8;
O[1][x+y] = (op0 *
A[1][x+y] + op1 * B[1][x+y])>>8;
O[2][x+y] = (op0 * A[2][x+y] + op1 * B[2][x+y])>>8;
}
else
{
O[0][x+y] = A[0][x+y];
O[1][x+y] = A[1][x+y];
O[2][x+y] = A[2][x+y];
}
}
}
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[3];
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", "Lumakey");
livido_set_string_value( port, "description", "Overlay by threshold");
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_YUV444P,
0
};
in_params[0] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[0];
livido_set_string_value(port, "name", "Opacity" );
livido_set_string_value(port, "kind", "NUMBER" );
livido_set_double_value( port, "min", 0.0 );
livido_set_double_value( port, "max", 1.0 );
livido_set_double_value( port, "default", 0.75 );
livido_set_string_value( port, "description" ,"Transparency");
in_params[1] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[1];
livido_set_string_value(port, "name", "Min Thres" );
livido_set_string_value(port, "kind", "NUMBER" );
livido_set_double_value( port, "min", 0.0 );
livido_set_double_value( port, "max", 1.0 );
livido_set_double_value( port, "default", 0.1 );
livido_set_string_value( port, "description" ,"Minimum Threshold");
in_params[2] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[2];
livido_set_string_value(port, "name", "Max Thres" );
livido_set_string_value(port, "kind", "NUMBER" );
livido_set_double_value( port, "min", 0.0 );
livido_set_double_value( port, "max", 1.0 );
livido_set_double_value( port, "default", 0.6 );
livido_set_string_value( port, "description" ,"Maximum Threshold");
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", 1, palettes0);
livido_set_int_value( port, "flags", 0);
in_chans[1] = livido_port_new( LIVIDO_PORT_TYPE_CHANNEL_TEMPLATE );
port = in_chans[1];
livido_set_string_value( port, "name", "Channel B");
livido_set_int_array( port, "palette_list", 1, 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", 1, palettes0);
livido_set_int_value( port, "flags", 0);
livido_set_portptr_array( filter, "in_channel_templates", 2 , in_chans );
livido_set_portptr_array( filter, "out_parameter_templates",0, NULL );
livido_set_portptr_array( filter, "in_parameter_templates",3, in_params );
livido_set_portptr_array( filter, "out_channel_templates", 1, out_chans );
livido_set_portptr_value(info, "filters", filter);
return info;
}
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