void bgsubtract_apply(VJFrame *frame,int threshold, int method, int enabled, int alpha )
{
const int len = frame->len;
const int uv_len = (frame->ssm ? len : frame->uv_len );
if( auto_hist )
vje_histogram_auto_eq( frame );
if( enabled == 0 ) {
switch( method ) {
case 0:
bgsubtract_show_bg( frame );
break;
case 1:
bgsubtract_cma_frame( len, frame->data[0], bg_frame__[0] );
bgsubtract_show_bg( frame );
bg_n ++;
break;
case 2:
bgsubtract_avg_frame( len, frame->data[0], bg_frame__[0] );
bgsubtract_show_bg( frame );
break;
default:
break;
}
}
else {
if( alpha == 0 ) {
veejay_memset( frame->data[1], 128, uv_len );
veejay_memset( frame->data[2], 128, uv_len );
vje_diff_plane( bg_frame__[0], frame->data[0], frame->data[0], threshold, len );
}
else {
vje_diff_plane( bg_frame__[0], frame->data[0], frame->data[3], threshold, len );
}
}
}
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);
}