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veejay/sandbox/pluginpack/lvd_magmir.c
Niels Elburg 90197d342b move stuff 
git-svn-id: svn://code.dyne.org/veejay/trunk@1132 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
2008-11-01 03:31:40 +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"
typedef struct
{
double *x;
double *y;
int *cx;
int *cy;
double last[2];
} magicmirror_t;
livido_init_f init_instance( livido_port_t *my_instance )
{
int w=0;
int h=0;
magicmirror_t *m = (magicmirror_t*) livido_malloc( sizeof(magicmirror_t));
livido_memset( m, 0, sizeof( magicmirror_t ));
lvd_extract_dimensions( my_instance, "out_channels", &w, &h );
m->x = (double*) livido_malloc( sizeof(double) * w );
m->y = (double*) livido_malloc( sizeof(double) * h );
m->cx = (int*) livido_malloc(sizeof(int) * w );
m->cy = (int*) livido_malloc(sizeof(int) * h );
livido_memset( m->x, 0, sizeof(double) * w );
livido_memset( m->y, 0, sizeof(double) * h );
livido_memset( m->cx,0, sizeof(int) * w );
livido_memset( m->cy,0, sizeof(int) * h );
int error = livido_property_set( my_instance, "PLUGIN_private",
LIVIDO_ATOM_TYPE_VOIDPTR, 1, &m );
return error;
}
livido_deinit_f deinit_instance( livido_port_t *my_instance )
{
magicmirror_t *m = NULL;
int error = livido_property_get( my_instance, "PLUGIN_private",
0, &m );
#ifdef STRICT_CHECKING
assert( m != NULL );
#endif
livido_free( m->x );
livido_free( m->y );
livido_free( m->cx );
livido_free( m->cy );
livido_free( m );
livido_property_set( my_instance , "PLUGIN_private",
LIVIDO_ATOM_TYPE_VOIDPTR, 0, NULL );
return error;
}
livido_process_f process_instance( livido_port_t *my_instance, double timecode )
{
int len =0;
int x, y;
unsigned int i,q;
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];
double p[4];
for( i = 0; i < 4; i ++ )
p[i] = lvd_extract_param_number( my_instance, "in_parameters", i );
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[1],&h[1], O,&palette[1] );
if( error != LIVIDO_NO_ERROR )
return LIVIDO_ERROR_HARDWARE; //@ error codes in livido flanky
magicmirror_t *mm = NULL;
error = livido_property_get( my_instance, "PLUGIN_private", 0, &mm );
#ifdef STRICT_CHECKING
assert( w[0] == w[1] );
assert( h[0] == h[1] );
assert( palette[0] == palette[1] );
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( mm != NULL );
#endif
p[0] *= w[0];
p[1] *= h[0];
p[2] = p[2] * 0.001;
p[3] = p[3] * 0.001;
if( mm->last[0] != p[2] )
{
mm->last[0] = p[2];
for( x = 0; x < w[0]; x ++ )
fast_sin( mm->x[x], (double)(x * p[2]));
}
if( mm->last[1] != p[3] )
{
mm->last[1] = p[3];
for( y = 0; y < h[0]; y ++ )
fast_sin( mm->y[y], (double)(y * p[3]));
}
for( x = 0; x < w[0]; x ++ )
{
int dx = x + mm->x[x] * p[0];
if( dx < 0) dx += w[0];
if( dx < 0) dx = 0; else if (dx >= w[0] ) dx = w[0] - 1;
mm->cx[x] = dx;
}
for( y = 0; y < h[0]; y ++ )
{
int dy = y + mm->y[y] * p[1];
if( dy < 0) dy += h[0];
if( dy < 0) dy = 0; else if (dy >= h[0] ) dy = h[0] - 1;
mm->cy[y] = dy;
}
for( y = 1; y < h[0] - 1; y ++ )
{
for ( x = 1; x < w[0] - 1; x ++ )
{
i = mm->cy[y] * w[0] + mm->cx[x];
q = y * w[0] + x;
O[0][q] = A[0][i];
O[1][q] = A[1][i];
O[2][q] = A[2][i];
}
}
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[4];
livido_port_t *in_chans[1];
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", "MagicMirror");
livido_set_string_value( port, "description", "Look into the mirror just like in a fun house");
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_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", 2, 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", 2, palettes0);
livido_set_int_value( port, "flags", 0);
in_params[0] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[0];
livido_set_string_value(port, "name", "X" );
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" ,"Displace horizontally");
in_params[1] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[1];
livido_set_string_value(port, "name", "Y" );
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" ,"Displace vertically");
in_params[2] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[2];
livido_set_string_value(port, "name", "DegX" );
livido_set_string_value(port, "kind", "NUMBER" );
livido_set_double_value( port, "min", 0.0 );
livido_set_double_value( port, "max", 360.0 );
livido_set_double_value( port, "default", 1.2 );
livido_set_string_value( port, "description" ,"DegreeX");
in_params[3] = livido_port_new( LIVIDO_PORT_TYPE_PARAMETER_TEMPLATE );
port = in_params[3];
livido_set_string_value(port, "name", "DegY" );
livido_set_string_value(port, "kind", "NUMBER" );
livido_set_double_value( port, "min", 0.0 );
livido_set_double_value( port, "max", 360.0 );
livido_set_double_value( port, "default", 1.3 );
livido_set_string_value( port, "description" ,"DegreeY");
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",4, 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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