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smoking radioactive

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git-svn-id: svn://code.dyne.org/veejay/trunk@868 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2007-03-20 13:53:39 +00:00
parent 14733d68a4
commit 390bd71153
1 changed files with 50 additions and 55 deletions
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105
veejay-current/libvje/effects/radioactive.c
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@@ -45,14 +45,14 @@ vj_effect *radioactivetv_init(int w, int h)
ve->limits[1][0] = 6;
ve->limits[0][1] = 50;// zoom ratio
ve->limits[1][1] = 100;
ve->limits[0][2] = 0; //threshold
ve->limits[0][2] = 0; // strength
ve->limits[1][2] = 255;
ve->limits[0][3] = 0; //diff threhsold
ve->limits[1][3] = 255;
ve->defaults[0] = 0;
ve->defaults[1] = 95;
ve->defaults[2] = 0;
ve->defaults[3] = 40;
ve->defaults[2] = 200;
ve->defaults[3] = 30;
ve->description = "RadioActive EffecTV";
ve->sub_format = 1;
ve->extra_frame = 1;
@@ -217,7 +217,6 @@ void radioactivetv_free()
diffbuf = NULL;
}
void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
int mode, int snapRatio, int snapInterval, int threshold)
{
@@ -246,14 +245,6 @@ void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
setTable();
}
if( last_mode != mode )
{
veejay_memset( blurzoombuf, 0, 2*len);
veejay_memset( diff, 0, len );
last_mode = mode;
}
if( !first_frame )
{ //@ take current
veejay_memcpy( prev, lum , len );
@@ -261,10 +252,28 @@ void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
first_frame++;
return;
}
if( last_mode != mode )
{
//@ mode changed, reset
veejay_memset( blurzoombuf, 0, 2*len);
veejay_memset( diff, 0, len );
last_mode = mode;
}
uint8_t *d = diff;
//@ varying diff methods (strobe, normal, average, etc)
switch( mode )
{
case 0:
for( y = 0; y < len; y ++ ){
diff[y] = abs(lum[y] - prev[y]);
if(diff[y] < threshold )
diff[y] = 0;
prev[y] = (prev[y] + lum[y])>>1;
}
break;
case 1:
for( y = 0; y < len; y ++ ) {
diff[y] = abs(lum[y] - prev[y]);
if(diff[y] < threshold )
@@ -272,7 +281,7 @@ void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
prev[y] = lum[y];
}
break;
case 1:
case 2:
for( y = 0; y < len; y ++ ){
diff[y] = ( prev[y] >> 1 ) + lum[y] >> 1;
if( diff[y] < threshold )
@@ -280,16 +289,6 @@ void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
prev[y] = lum[y];
}
break;
case 2:
threshold = 0xff - threshold;
for( y = 0; y < len; y ++ ) {
diff[y] = abs( lum[y] - prev[y] );
diff[y] = (lum[y] - prev[y])>>1;
if( diff[y] < threshold )
diff[y] = 0;
prev[y] = lum[y];
}
break;
case 3:
for( y = 0; y < len; y ++ ) {
diff[y] = abs( lum[y] - prev[y] );
@@ -300,7 +299,6 @@ void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
}
break;
case 4:
threshold = 0xff - threshold;
for( y = 0; y < len; y ++ ) {
diff[y] = abs( lum[y] - prev[y] );
diff[y] = (lum[y] - prev[y])>>1;
@@ -312,16 +310,14 @@ void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
}
break;
case 5:
for( y = 0; y < len; y ++ ){
if( abs( lum[y] - prev[y]) > threshold )
diff[y] = 0xff;
else
diff[y] = 0;
for( y = 0; y < len; y ++ ) {
diff[y] = abs(lum[y] - prev[y]);
if(diff[y] < threshold )
diff[y] = 0;
prev[y] = lum[y];
}
break;
case 6:
threshold = 255 - threshold;
for( y = 0; y < len; y ++ ){
if( abs( lum[y] - prev[y]) > threshold )
diff[y] = lum[y]>>2;
@@ -332,49 +328,48 @@ void radioactivetv_apply( VJFrame *frame, VJFrame *blue, int width, int height,
break;
}
//@ end of diff
softblur_apply( &smooth, width,height,0);
uint8_t *diff_ptr = diff;
diff_ptr += buf_margin_left;
p = blurzoombuf;
for( y = 0; y < buf_height; y ++ )
{
for( x = 0; x < buf_width; x ++ )
p[x] |= diff_ptr[x];
diff_ptr += width;
p += buf_width;
}
if(mode > 3 )
{
veejay_memset( dstU,128,len);
veejay_memset( dstV,128,len);
veejay_memcpy( dstY, blurzoombuf, len );
d += buf_margin_left;
for( y = 0; y < buf_height; y++ ) {
for( x = 0; x< buf_width; x ++ ) {
p[x] |= ( (d[x] * snapInterval)>>7);
}
d += width;
p += buf_width;
}
//@ prepare frame for next difference take
softblur_apply( &smooth, width,height,0);
blurzoomcore();
p = blurzoombuf;
uint32_t k =0;
if(mode >= 3 )
{
veejay_memset( dstU,128,len);
veejay_memset( dstV,128,len);
veejay_memcpy( dstY, blurzoombuf, len );
return;
}
uint32_t k =0;
for( y = 0; y < height; y ++ )
{
k += buf_margin_left;
for( x = 0; x < buf_width; x ++ )
{
uint8_t op0 = (*p ++);
uint8_t op1 = 0xff - op0;
if( op0 > snapInterval )
{
dstY[k] = (op1 * blueY[k] + op0 * dstY[k])>>8;
dstU[k] = (op1 * blueU[k] + op0 * dstU[k])>>8;
dstV[k] = (op1 * blueV[k] + op0 * dstV[k])>>8;
}
dstY[k] = (op0 * blueY[k] + op1 * dstY[k])>>8;
dstU[k] = (op0 * blueU[k] + op1 * dstU[k])>>8;
dstV[k] = (op0 * blueV[k] + op1 * dstV[k])>>8;
k ++;
}
k += buf_margin_right;
}
}