X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ffilter_obscure.c;h=d5521981472dad89b59382dccccebe38333ae99b;hb=bac7cd7749bf743543e2e4f2897bbc1fe3f192c0;hp=bf88a09c733322273bae4647ae0aa08e13c0bf14;hpb=037e09bc7cd1c94c73f200d2583dee5a786da810;p=melted diff --git a/src/modules/core/filter_obscure.c b/src/modules/core/filter_obscure.c index bf88a09..d552198 100644 --- a/src/modules/core/filter_obscure.c +++ b/src/modules/core/filter_obscure.c @@ -43,7 +43,7 @@ struct geometry_s /** Parse a value from a geometry string. */ -static float parse_value( char **ptr, int normalisation, char delim, float defaults ) +static inline float parse_value( char **ptr, int normalisation, char delim, float defaults ) { float value = defaults; @@ -85,6 +85,10 @@ static void geometry_parse( struct geometry_s *geometry, struct geometry_s *defa } else { + geometry->x = 0; + geometry->y = 0; + geometry->w = nw; + geometry->h = nh; geometry->mask_w = 20; geometry->mask_h = 20; } @@ -147,38 +151,45 @@ static float position_calculate( mlt_filter this, mlt_frame frame ) /** The averaging function... */ -void obscure_average( uint8_t *start, int width, int height, int stride ) +static inline void obscure_average( uint8_t *start, int width, int height, int stride ) { - int y; - int x; + register int y; + register int x; register int Y = ( *start + *( start + 2 ) ) / 2; register int U = *( start + 1 ); register int V = *( start + 3 ); register uint8_t *p; + register int components = width >> 1; - for ( y = 0; y < height; y ++ ) + y = height; + while( y -- ) { - p = start + y * stride; - for ( x = 0; x < width / 2; x ++ ) + p = start; + x = components; + while( x -- ) { - Y = ( Y + *p ++ ) / 2; - U = ( U + *p ++ ) / 2; - Y = ( Y + *p ++ ) / 2; - V = ( V + *p ++ ) / 2; + Y = ( Y + *p ++ ) >> 1; + U = ( U + *p ++ ) >> 1; + Y = ( Y + *p ++ ) >> 1; + V = ( V + *p ++ ) >> 1; } + start += stride; } - for ( y = 0; y < height; y ++ ) + start -= height * stride; + y = height; + while( y -- ) { - p = start + y * stride; - - for ( x = 0; x < width / 2; x ++ ) + p = start; + x = components; + while( x -- ) { *p ++ = Y; *p ++ = U; *p ++ = Y; *p ++ = V; } + start += stride; } } @@ -209,7 +220,7 @@ static void obscure_render( uint8_t *image, int width, int height, struct geomet aw = w + mw > area_w ? mw - ( w + mw - area_w ) : mw; ah = h + mh > area_h ? mh - ( h + mh - area_h ) : mh; if ( aw > 1 && ah > 1 ) - obscure_average( p + h * width * 2 + w * 2, aw, ah, width * 2 ); + obscure_average( p + h * ( width << 1 ) + ( w << 1 ), aw, ah, width << 1 ); } } } @@ -220,7 +231,7 @@ static void obscure_render( uint8_t *image, int width, int height, struct geomet static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) { // Get the frame properties - mlt_properties frame_properties = mlt_frame_properties( frame ); + mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame ); // Pop the top of stack now mlt_filter this = mlt_frame_pop_service( frame ); @@ -234,7 +245,7 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format if ( this != NULL ) { // Get the filter properties - mlt_properties properties = mlt_filter_properties( this ); + mlt_properties properties = MLT_FILTER_PROPERTIES( this ); // Obtain the normalised width and height from the frame int normalised_width = mlt_properties_get_int( frame_properties, "normalised_width" ); @@ -285,7 +296,7 @@ mlt_filter filter_obscure_init( void *arg ) mlt_filter this = mlt_filter_new( ); if ( this != NULL ) { - mlt_properties properties = mlt_filter_properties( this ); + mlt_properties properties = MLT_FILTER_PROPERTIES( this ); this->process = filter_process; mlt_properties_set( properties, "start", arg != NULL ? arg : "0%,0%:100%x100%" ); mlt_properties_set( properties, "end", "" );