* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include "filter_dust.h"
-
-#include <framework/mlt_frame.h>
+//#include <framework/mlt_filter.h>
+//#include <framework/mlt_frame.h>
+#include <framework/mlt.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
-
+#include <string.h>
+#include <time.h>
+
+static void overlay_image(uint8_t *src, int src_width, int src_height , uint8_t * overlay, int overlay_width, int overlay_height, uint8_t * alpha , int xpos, int ypos, int upsidedown , int mirror ){
+ int x,y;
+
+ for (y=ypos;y<src_height ; y++){
+ if ( y>=0 && (y-ypos)<overlay_height ){
+ uint8_t *scanline_image=src+src_width*y*2;
+ int overlay_y = upsidedown ? ( overlay_height - ( y - ypos ) - 1 ) : ( y - ypos );
+ uint8_t *scanline_overlay=overlay + overlay_width * 2 * overlay_y;
+
+ for ( x = xpos ; x < src_width && x-xpos < overlay_width ;x++){
+ if ( x>0 ){
+ int overlay_x = mirror ? overlay_width - ( x - xpos ) -1 : ( x - xpos );
+ double alp=(double)*(alpha+ overlay_width * overlay_y + overlay_x )/255.0;
+ uint8_t* image_pixel = scanline_image + x * 2;
+ uint8_t* overlay_pixel = scanline_overlay + overlay_x * 2;
+
+ *image_pixel=(double)(*overlay_pixel)*alp+ (double)*image_pixel*(1.0-alp) ;
+ if (xpos%2==0)
+ image_pixel++;
+ else
+ image_pixel+=3;
+
+ mirror? overlay_pixel-- : overlay_pixel++;
+
+ *image_pixel=(double)(*(overlay_pixel))*alp + (double)(*image_pixel )*(1.0-alp) ;
+ }
+
+ }
+ }
+ }
+}
static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
-
mlt_filter filter = mlt_frame_pop_service( this );
- int error = mlt_frame_get_image( this, image, format, width, height, 1 );
-
+
+ int maxdia = mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "maxdiameter" );
+ int maxcount = mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "maxcount" );
+
+ mlt_position in = mlt_filter_get_in( filter );
+ mlt_position out = mlt_filter_get_out( filter );
+ mlt_position time = mlt_frame_get_position( this );
+ double position = ( double )( time - in ) / ( double )( out - in + 1 );
+
+ int error = mlt_frame_get_image( this, image, format, width, height, 1 );
+ // load svg
+ mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
+ char *factory = mlt_properties_get( properties, "factory" );
+ char temp[1204]="";
+ sprintf( temp, "%s/oldfilm/", mlt_environment( "MLT_DATA" ) );
+
+ mlt_properties direntries=mlt_properties_new();
+ mlt_properties_dir_list(direntries,temp,"dust*.svg",1);
+
+ if (!maxcount)
+ return 0;
+ srand(position*10000);
+
+ int im=rand()%maxcount;
+ int piccount=mlt_properties_count(direntries);
+ while (im-- && piccount){
+
+ int picnum=rand()%piccount;
+
+ int y1=rand()%*height;
+ int x1=rand()%*width;
+ char resource[1024]="";
+ char savename[1024]="",savename1[1024]="", cachedy[100];
+ int dx=(*width*maxdia/100);
+ int luma_width,luma_height;
+ uint8_t *luma_image = NULL;
+ uint8_t *alpha =NULL;
+ int updown= rand()%2;
+ int mirror=rand()%2;
+
+ sprintf(resource,"%s",mlt_properties_get_value(direntries,picnum));
+ sprintf(savename,"cache-%d-%d",picnum,dx);
+ sprintf(savename1,"cache-alpha-%d-%d",picnum,dx);
+ sprintf(cachedy,"cache-dy-%d-%d",picnum,dx);
+
+ luma_image= mlt_properties_get_data( properties , savename , NULL );
+ alpha= mlt_properties_get_data( properties , savename1 , NULL );
+
+ if (luma_image == NULL || alpha == NULL ){
+ mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) );
+ mlt_producer producer = mlt_factory_producer( profile, factory, resource );
+
+ if ( producer != NULL )
+ {
+ mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer );
+
+ mlt_properties_set( producer_properties, "eof", "loop" );
+ mlt_frame luma_frame = NULL;
+
+ if ( mlt_service_get_frame( MLT_PRODUCER_SERVICE( producer ), &luma_frame, 0 ) == 0 ){
+
+ mlt_properties_set_double ( MLT_FRAME_PROPERTIES ( luma_frame ) , "consumer_aspect_ratio" , 1.0 );
+ mlt_image_format luma_format = mlt_image_yuv422;
+ luma_width = dx;
+ luma_height = luma_width * mlt_properties_get_int( MLT_FRAME_PROPERTIES ( luma_frame ) , "height" ) / mlt_properties_get_int( MLT_FRAME_PROPERTIES ( luma_frame ) , "width" );
+
+ mlt_properties_set( MLT_FRAME_PROPERTIES( luma_frame ), "rescale.interp", "best" );// none/nearest/tiles/hyper
+
+ mlt_frame_get_image( luma_frame, &luma_image, &luma_format, &luma_width, &luma_height, 0 );
+ alpha =mlt_frame_get_alpha_mask(luma_frame);
+
+ uint8_t* savealpha=mlt_pool_alloc ( luma_width * luma_height );
+ uint8_t* savepic=mlt_pool_alloc ( luma_width * luma_height * 2);
+
+ if (savealpha && savepic ){
+ memcpy (savealpha, alpha , luma_width * luma_height );
+ memcpy (savepic, luma_image , luma_width * luma_height * 2);
+
+ mlt_properties_set_data ( properties , savename , savepic , sizeof(uint8_t*) , mlt_pool_release, NULL );
+ mlt_properties_set_data ( properties , savename1 , savealpha , sizeof(uint8_t*) , mlt_pool_release, NULL );
+ mlt_properties_set_int ( properties , cachedy , luma_height );
+
+ overlay_image(*image,*width,*height,luma_image,luma_width,luma_height, alpha, x1, y1 , updown , mirror );
+ }
+ mlt_frame_close( luma_frame );
+ }
+ mlt_producer_close( producer );
+ }
+ }else {
+ overlay_image ( *image , *width, *height , luma_image , dx , mlt_properties_get_int ( properties , cachedy ) , alpha , x1 , y1 , updown , mirror );
+ }
+ }
+ if (piccount>0 )
+ return 0;
if ( error == 0 && *image && *format == mlt_image_yuv422 )
{
int h = *height;
int w = *width;
+ if (maxcount==0)
+ return 0;
- int maxdia = mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "maxdiameter" );
- int maxcount = mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "maxcount" );
int im=rand()%maxcount;
- while (im--){
+ while (im-- ){
int type=im%2;
int y1=rand()%h;
int x1=rand()%w;
int dx=rand()%maxdia;
int dy=rand()%maxdia;
int x=0,y=0;//,v=0;
- for (x=-dx;x<dx;x++)
- for (y=-dy;y<dy;y++){
- if (x1+x<w && x1+x>0 && y1+y<h && y1+y>0 && x!=0 && y!=0){
- //uint8_t *pix=*image+(y+y1)*w*2+(x+x1)*2;
- //v=255*(abs(x)+abs(y))/dx;
+ double v=0.0;
+ for ( x = -dx ; x < dx ; x++ )
+ for ( y = -dy ; y < dy ; y++ ) {
+ if ( x1+x < w && x1+x > 0 && y1+y < h && y1+y > 0 ){
+ uint8_t *pix=*image+(y+y1)*w*2+(x+x1)*2;
+ //v=(1.0-fabs(x)/dx)*(1.0-fabs(y)/dy);
+ v=pow((double)x/(double)dx*5.0,2.0)+pow((double)y/(double)dy*5.0,2.0);
+ if (v>10)
+ v=10;
+ v=1.0-(v/10.0);
+
switch(type){
case 0:
- //v=((51*sqrt(y*y+x*x))/255);
- *(*image+(y+y1)*w*2+(x+x1)*2)=*(*image+(y+y1)*w*2+(x+x1)*2)/((51*sqrt(y*y+x*x))/255);
- /*if (v!=0)
- *pix/=v;
- else
- *pix=0;*/
+ *pix-=(*pix)*v;
break;
case 1:
- //v=((51*sqrt(y*y+x*x))/255);
- //v=255*(x+y)/dx;
- *(*image+(y+y1)*w*2+(x+x1)*2)=*(*image+(y+y1)*w*2+(x+x1)*2)*((51*sqrt(y*y+x*x))/255);
- /*if ((*pix*v)<255)
- *pix*=v;
- else
- *pix=255;*/
+ *pix+=(255-*pix)*v;
break;
}
}
}
-mlt_filter filter_dust_init( char *arg )
+mlt_filter filter_dust_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
mlt_filter this = mlt_filter_new( );
if ( this != NULL )
{
this->process = filter_process;
- mlt_properties_set( MLT_FILTER_PROPERTIES( this ), "maxdiameter", "10" );
+ mlt_properties_set( MLT_FILTER_PROPERTIES( this ), "maxdiameter", "2" );
mlt_properties_set( MLT_FILTER_PROPERTIES( this ), "maxcount", "10" );
}
return this;