#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
#define ABS(a) ((a) >= 0 ? (a) : (-(a)))
-// ffmpeg borrowed
-static inline int clip(int a, int amin, int amax)
-{
- if (a < amin)
- return amin;
- else if (a > amax)
- return amax;
- else
- return a;
-}
-
void caculate_motion( struct motion_vector_s *vectors,
mlt_geometry_item boundry,
int macroblock_width,
int macroblock_height,
int mv_buffer_width,
- int method )
+ int method,
+ int width,
+ int height )
{
// translate pixel units (from bounds) to macroblock units
// make sure whole macroblock stay within bounds
- // I know; it hurts.
- int left_mb = boundry->x / macroblock_width;
- left_mb += ( (int)boundry->x % macroblock_width == 0 ) ? 0 : 1 ;
- int top_mb = boundry->y / macroblock_height;
- top_mb += ( (int)boundry->y % macroblock_height == 0 ) ? 0 : 1 ;
-
- int right_mb = (boundry->x + boundry->w + 1) / macroblock_width;
- right_mb -= ( (int)(boundry->x + boundry->w + 1) % macroblock_width == 0 ) ? 0 : 1 ;
- int bottom_mb = (boundry->y + boundry->h + 1) / macroblock_height;
- bottom_mb -= ( (int)(boundry->y + boundry->h + 1) % macroblock_height == 0 ) ? 0 : 1 ;
+ int left_mb = ( boundry->x + macroblock_width - 1 ) / macroblock_width;
+ int top_mb = ( boundry->y + macroblock_height - 1 ) / macroblock_height;
+ int right_mb = ( boundry->x + boundry->w ) / macroblock_width - 1;
+ int bottom_mb = ( boundry->y + boundry->h ) / macroblock_height - 1;
int i, j, n = 0;
#define CURRENT ( vectors + j*mv_buffer_width + i )
for( i = left_mb; i <= right_mb; i++ ){
- for( j = top_mb; j <= bottom_mb; j++ ){
-
+ for( j = top_mb; j <= bottom_mb; j++ )
+ {
n++;
-
average_x += CURRENT->dx;
average_y += CURRENT->dy;
}
for( i = left_mb; i <= right_mb; i++ ){
for( j = top_mb; j <= bottom_mb; j++ ){
- if( ABS(CURRENT->dx - average_x) < 5 &&
- ABS(CURRENT->dy - average_y) < 5 )
+ if( ABS(CURRENT->dx - average_x) < 3 &&
+ ABS(CURRENT->dy - average_y) < 3 )
{
n++;
average2_x += CURRENT->dx;
if ( n == 0 ) return;
- boundry->x -= average2_x / n;
- boundry->y -= average2_y / n;
+ boundry->x -= (double)average2_x / (double)n;
+ boundry->y -= (double)average2_y / (double)n;
+
+ if ( boundry->x < 0 )
+ boundry->x = 0;
+
+ if ( boundry->y < 0 )
+ boundry->y = 0;
+
+ if ( boundry->x + boundry->w > width )
+ boundry->x = width - boundry->w;
+
+ if ( boundry->y + boundry->h > height )
+ boundry->y = height - boundry->h;
}
// Image stack(able) method
// Get the motion vectors
struct motion_vector_s *vectors = mlt_properties_get_data( frame_properties, "motion_est.vectors", NULL );
-
+
// How did the rectangle move?
- if( vectors != NULL ) {
+ if( vectors != NULL &&
+ boundry.key != 1 ) // Paused?
+ {
int method = mlt_properties_get_int( filter_properties, "method" );
int macroblock_width = mlt_properties_get_int( frame_properties, "motion_est.macroblock_width" );
int mv_buffer_width = *width / macroblock_width;
- caculate_motion( vectors, &boundry, macroblock_width, macroblock_height, mv_buffer_width, method );
+ caculate_motion( vectors, &boundry, macroblock_width, macroblock_height, mv_buffer_width, method, *width, *height );
- }
- // Turn the geometry object into a real boy
- boundry.key = 1;
- boundry.f[0] = 1;
- boundry.f[1] = 1;
- boundry.f[2] = 1;
- boundry.f[3] = 1;
- boundry.f[4] = 1;
- mlt_geometry_insert(geometry, &boundry);
+ // Make the geometry object a real boy
+ boundry.key = 1;
+ boundry.f[0] = 1;
+ boundry.f[1] = 1;
+ boundry.f[2] = 1;
+ boundry.f[3] = 1;
+ boundry.f[4] = 1;
+ mlt_geometry_insert(geometry, &boundry);
+ }
+ if( mlt_properties_get_int( filter_properties, "debug" ) == 1 )
+ {
+ init_arrows( format, *width, *height );
+ draw_rectangle_outline(*image, boundry.x, boundry.y, boundry.w, boundry.h, 100);
+ }
- if( mlt_properties_get_int( filter_properties, "debug" ) == 1 )
+ if( mlt_properties_get_int( filter_properties, "obscure" ) == 1 )
{
+ mlt_filter obscure = mlt_properties_get_data( filter_properties, "_obscure", NULL );
- init_arrows( format, *width, *height );
- draw_line(*image, boundry.x, boundry.y, boundry.x, boundry.y + boundry.h, 100);
- draw_line(*image, boundry.x, boundry.y + boundry.h, boundry.x + boundry.w, boundry.y + boundry.h, 100);
- draw_line(*image, boundry.x + boundry.w, boundry.y + boundry.h, boundry.x + boundry.w, boundry.y, 100);
- draw_line(*image, boundry.x + boundry.w, boundry.y, boundry.x, boundry.y, 100);
+ mlt_properties_pass_list( MLT_FILTER_PROPERTIES(obscure), filter_properties, "in, out");
+
+ // Because filter_obscure needs to be rewritten to use mlt_geometry
+ char geom[100];
+ sprintf( geom, "%d,%d:%dx%d", (int)boundry.x, (int)boundry.y, (int)boundry.w, (int)boundry.h );
+ mlt_properties_set( MLT_FILTER_PROPERTIES( obscure ), "start", geom );
+ mlt_properties_set( MLT_FILTER_PROPERTIES( obscure ), "end", geom );
+ }
+
+ if( mlt_properties_get_int( filter_properties, "collect" ) == 1 )
+ {
+ printf( "%d,%d,%d,%d\n", (int)boundry.x, (int)boundry.y, (int)boundry.w, (int)boundry.h );
+ fflush( stdout );
}
+
return error;
}
// Get the frame position
mlt_position position = mlt_frame_get_position( frame );
- // gEt the geometry object
+ // Get the geometry object
mlt_geometry geometry = mlt_properties_get_data(filter_properties, "geometry", NULL);
// Get the current geometry item
mlt_geometry_item geometry_item = mlt_pool_alloc( sizeof( struct mlt_geometry_item_s ) );
mlt_geometry_fetch(geometry, geometry_item, position);
-//fprintf(stderr, "attach %d\n", position);
mlt_properties_set_data( frame_properties, "bounds", geometry_item, sizeof( struct mlt_geometry_item_s ), mlt_pool_release, NULL );
if( mlt_properties_get_int( MLT_FILTER_PROPERTIES(this), "debug" ) == 1 )
{
mlt_filter vismv = mlt_properties_get_data( MLT_FILTER_PROPERTIES(this), "_vismv", NULL );
- if( vismv == NULL ) {
+ if( vismv == NULL )
+ {
vismv = mlt_factory_filter( "vismv", NULL );
mlt_properties_set_data( MLT_FILTER_PROPERTIES(this), "_vismv", vismv, 0, (mlt_destructor)mlt_filter_close, NULL );
}
mlt_filter_process( vismv, frame );
}
+ if( mlt_properties_get_int( MLT_FILTER_PROPERTIES(this), "obscure" ) == 1 )
+ {
+ mlt_filter obscure = mlt_properties_get_data( MLT_FILTER_PROPERTIES(this), "_obscure", NULL );
+ if( obscure == NULL )
+ {
+ obscure = mlt_factory_filter( "obscure", NULL );
+ mlt_properties_set_data( MLT_FILTER_PROPERTIES(this), "_obscure", obscure, 0, (mlt_destructor)mlt_filter_close, NULL );
+ }
+
+ mlt_filter_process( obscure, frame );
+ }
return frame;
}
}
- // ... and attach it to the frame
+ // ... and attach it to the filter
mlt_properties_set_data( MLT_FILTER_PROPERTIES(this), "geometry", geometry, 0, (mlt_destructor)mlt_geometry_close, (mlt_serialiser)mlt_geometry_serialise );
- // create an instance of the motion_est filter
- mlt_filter motion_est = mlt_factory_filter("motion_est", NULL);
+ // create an instance of the motion_est and obscure filter
+ mlt_filter motion_est = mlt_factory_filter( "motion_est", NULL );
if( motion_est != NULL )
mlt_properties_set_data( MLT_FILTER_PROPERTIES(this), "_motion_est", motion_est, 0, (mlt_destructor)mlt_filter_close, NULL );
else {
projects / melted / blobdiff