void chameleon_apply( VJFrame *frame, int mode)
{
const int len = frame->len;
VJFrame source;
int strides[4] = { len, len, len, 0 };
vj_frame_copy( frame->data, tmpimage, strides );
source.data[0] = tmpimage[0];
source.data[1] = tmpimage[1];
source.data[2] = tmpimage[2];
source.len = len;
uint32_t activity = 0;
int auto_switch = 0;
int tmp1,tmp2;
if( motionmap_active() )
{
motionmap_scale_to( 32,32,1,1, &tmp1,&tmp2, &n__, &N__ );
auto_switch = 1;
activity = motionmap_activity();
}
else
{
N__ = 0;
n__ = 0;
}
if( n__ == N__ || n__ == 0 )
auto_switch = 0;
if(auto_switch)
{
if( activity <= 40 )
{
// into the wall
drawDisappearing( &source, frame );
}
else
{
// out of the wall
drawAppearing( &source, frame );
}
}
if( mode == 0 )
drawDisappearing( &source, frame );
else
drawAppearing( &source, frame );
}
void chameleonblend_apply( VJFrame *frame, VJFrame *source, int width, int height, int mode )
{
uint32_t activity = 0;
int auto_switch = 0;
int tmp1,tmp2;
if( motionmap_active() )
{
motionmap_scale_to( 32,32,1,1, &tmp1,&tmp2, &n__, &N__ );
auto_switch = 1;
activity = motionmap_activity();
}
else
{
N__ = 0;
n__ = 0;
}
if( n__ == N__ || n__ == 0 )
auto_switch = 0;
if(auto_switch)
{
if( activity <= 40 )
{
veejay_msg(2, "Activity > 40, draw disappearing" );
// into the wall
drawDisappearing( source, frame );
}
else
{
veejay_msg(2, "Activity > 40, draw appearing" );
// out of the wall
drawAppearing( source, frame );
}
}
else {
if( mode == 0 )
drawDisappearing( source, frame );
else
drawAppearing( source, frame );
}
}
void timedistort_apply( VJFrame *frame, int width, int height, int val)
{
unsigned int i;
const int len = (width * height);
uint8_t *Y = frame->data[0];
uint8_t *Cb = frame->data[1];
uint8_t *Cr = frame->data[2];
uint8_t *diff = nonmap;
uint8_t *prev = nonmap + len;
int interpolate = 1;
int motion = 0;
int tmp1,tmp2;
if(motionmap_active()) //@ use motion mapping frame
{
motionmap_scale_to( 255,255,1,1,&tmp1,&tmp2, &n__,&N__ );
motion = 1;
diff = motionmap_bgmap();
}
else
{
n__ = 0;
N__ = 0;
if(!have_bg)
{
vj_frame_copy1( Y, prev, len );
VJFrame smooth;
veejay_memcpy(&smooth,frame, sizeof(VJFrame));
smooth.data[0] = prev;
softblur_apply(&smooth, width, height, 0 );
veejay_memset( diff, 0, len );
have_bg = 1;
return;
}
else
{
/*for( i = 0; i < len ; i ++ )
{
diff[i] = (abs(prev[i] - Y[i])> val ? 0xff: 0 );
}*/
vje_diff_plane( prev, Y, diff, val, len );
vj_frame_copy1( Y, prev, len );
VJFrame smooth;
veejay_memcpy(&smooth,frame, sizeof(VJFrame));
smooth.data[0] = prev;
softblur_apply(&smooth, width, height, 0 );
}
}
if( n__ == N__ || n__ == 0 )
interpolate = 0;
//@ process
uint8_t *planeTables[4] = { planetableY[plane], planetableU[plane], planetableV[plane], NULL };
int strides[4] = { len, len, len, 0 };
vj_frame_copy( frame->data, planeTables, strides );
uint8_t *p = warptime[ warptimeFrame ] + width + 1;
uint8_t *q = warptime[ warptimeFrame ^ 1] + width + 1;
unsigned int x,y;
for( y = height - 2; y > 0 ; y -- )
{
for( x = width - 2; x > 0; x -- )
{
i = *(p - width) + *(p-1) + *(p+1) + *(p + width);
if( i > 3 ) i-= 3;
p++;
*q++ = i >> 2;
}
p += 2;
q += 2;
}
q = warptime[ warptimeFrame ^ 1 ] + width + 1;
int n_plane = 0;
for( i = 0; i < len; i ++ )
{
if( diff[i] ) {
q[i] = PLANES - 1;
}
n_plane = ( plane - q[i] + PLANES ) & (PLANES-1);
Y[i] = planetableY[ n_plane ][i];
Cb[i] = planetableU[ n_plane ][i];
Cr[i] = planetableV[ n_plane ][i];
}
plane ++;
plane = plane & (PLANES-1);
warptimeFrame ^= 1;
if(interpolate)
motionmap_interpolate_frame( frame, N__,n__ );
if(motion)
motionmap_store_frame(frame);
}
void magicmirror_apply( VJFrame *frame, int w, int h, int vx, int vy, int d, int n )
{
double c1 = (double)vx;
double c2 = (double)vy;
int motion = 0;
if( motionmap_active())
{
motionmap_scale_to( 100,100,0,0, &d, &n, &n__, &N__ );
motion = 1;
}
else
{
n__ = 0;
N__ = 0;
}
double c3 = (double)d * 0.001;
unsigned int dx,dy,x,y,p,q,len=w*h;
double c4 = (double)n * 0.001;
int changed = 0;
uint8_t *Y = frame->data[0];
uint8_t *Cb= frame->data[1];
uint8_t *Cr= frame->data[2];
int interpolate = 1;
if( n__ == N__ || n__ == 0)
interpolate = 0;
if( d != last[1] )
{
changed = 1; last[1] =d;
}
if( n != last[0] )
{
changed = 1; last[0] = n;
}
if(changed==1)
{ // degrees x or y changed, need new sin
for(x=0; x < w ; x++)
{
double res;
fast_sin(res,(double)(c3*x));
funhouse_x[x] = res;
//funhouse_x[x] = sin(c3 * x);
}
for(y=0; y < h; y++)
{
double res;
fast_sin(res,(double)(c4*y));
funhouse_y[y] = res;
//funhouse_y[y] = sin(c4 * y);
}
}
int strides[4] = { len,len,len, 0 };
vj_frame_copy( frame->data, magicmirrorbuf, strides );
for(x=0; x < w; x++)
{
dx = x + funhouse_x[x] * c1;
if(dx < 0) dx += w;
if(dx < 0) dx = 0; else if (dx >= w) dx = w-1;
cache_x[x] = dx;
}
for(y=0; y < h; y++)
{
dy = y + funhouse_y[y] * c2;
if(dy < 0) dy += h;
if(dy < 0) dy = 0; else if (dy >= h) dy = h-1;
cache_y[y] = dy;
}
for(y=1; y < h-1; y++)
{
for(x=1; x < w-1; x++)
{
p = cache_y[y] * w + cache_x[x];
q = y * w + x;
Y[q] = magicmirrorbuf[0][p];
Cb[q] = magicmirrorbuf[1][p];
Cr[q] = magicmirrorbuf[2][p];
}
}
if( interpolate )
{
motionmap_interpolate_frame( frame, N__, n__ );
}
if( motion )
{
motionmap_store_frame(frame);
}
}