filter_affine.c: remove silly default rotate animation for new kdenlive pan and zoom...
[melted] / src / modules / core / filter_resize.c
index 005be7d..68244bf 100644 (file)
@@ -18,8 +18,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "filter_resize.h"
-
+#include <framework/mlt_filter.h>
 #include <framework/mlt_frame.h>
 
 #include <stdio.h>
@@ -53,6 +52,13 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
        // Retrieve the aspect ratio
        double aspect_ratio = mlt_deque_pop_back_double( MLT_FRAME_IMAGE_STACK( this ) );
 
+       // Correct Width/height if necessary
+       if ( *width == 0 || *height == 0 )
+       {
+               *width = mlt_properties_get_int( properties, "normalised_width" );
+               *height = mlt_properties_get_int( properties, "normalised_height" );
+       }
+
        // Assign requested width/height from our subordinate
        int owidth = *width;
        int oheight = *height;
@@ -83,22 +89,23 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                double input_ar = aspect_ratio * real_width / real_height;
                double output_ar = mlt_properties_get_double( properties, "consumer_aspect_ratio" ) * owidth / oheight;
                
-               //fprintf( stderr, "normalised %dx%d output %dx%d %f %f\n", normalised_width, normalised_height, owidth, oheight, ( float )output_ar, ( float )mlt_properties_get_double( properties, "consumer_aspect_ratio" ) * owidth / oheight );
+//             fprintf( stderr, "real %dx%d normalised %dx%d output %dx%d sar %f in-dar %f out-dar %f\n",
+//             real_width, real_height, normalised_width, normalised_height, owidth, oheight, aspect_ratio, input_ar, output_ar);
 
                // Optimised for the input_ar > output_ar case (e.g. widescreen on standard)
-               int scaled_width = rint( 0.5 + ( input_ar * normalised_width ) / output_ar );
+               int scaled_width = rint( ( input_ar * normalised_width ) / output_ar );
                int scaled_height = normalised_height;
 
                // Now ensure that our images fit in the output frame
                if ( scaled_width > normalised_width )
                {
                        scaled_width = normalised_width;
-                       scaled_height = rint( 0.5 + ( output_ar * normalised_height ) / input_ar );
+                       scaled_height = rint( ( output_ar * normalised_height ) / input_ar );
                }
 
                // Now calculate the actual image size that we want
-               owidth = rint( 0.5 + scaled_width * owidth / normalised_width );
-               oheight = rint( 0.5 + scaled_height * oheight / normalised_height );
+               owidth = rint( scaled_width * owidth / normalised_width );
+               oheight = rint( scaled_height * oheight / normalised_height );
 
                // Tell frame we have conformed the aspect to the consumer
                mlt_frame_set_aspect_ratio( this, mlt_properties_get_double( properties, "consumer_aspect_ratio" ) );
@@ -130,22 +137,8 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                        int size;
                        uint8_t *image = mlt_properties_get_data( properties, "image", &size );
                        uint8_t *ptr = image + owidth * 2;
-                       int h = oheight / 2;
-                       int w = owidth;
-
-                       // Swap the lines around
-                       while( h -- )
-                       {
-                               w = owidth;
-                               while( w -- )
-                               {
-                                       swap_bytes( image ++, ptr ++ );
-                                       swap_bytes( image ++, ptr ++ );
-                               }
-                               image += owidth * 2;
-                               ptr += owidth * 2;
-                       }
-
+                       memmove( ptr, image, size - owidth * 2 );
+                       
                        // Set the normalised field order
                        mlt_properties_set_int( properties, "top_field_first", 0 );
                        mlt_properties_set_int( properties, "meta.top_field_first", 0 );
@@ -189,7 +182,7 @@ static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
 /** Constructor for the filter.
 */
 
-mlt_filter filter_resize_init( char *arg )
+mlt_filter filter_resize_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
 {
        mlt_filter this = calloc( sizeof( struct mlt_filter_s ), 1 );
        if ( mlt_filter_init( this, this ) == 0 )