sdl hacks
[melted] / src / modules / gtk2 / filter_rescale.c
index 39185be..02b7644 100644 (file)
@@ -47,8 +47,6 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
        uint8_t *input = NULL;
        char *interps = mlt_properties_get( properties, "rescale.interp" );
        int interp = PIXOPS_INTERP_BILINEAR;
-       double i_aspect_ratio = mlt_frame_get_aspect_ratio( this );
-       double o_aspect_ratio = mlt_properties_get_double( properties, "consumer_aspect_ratio" );
        
        if ( strcmp( interps, "nearest" ) == 0 )
                interp = PIXOPS_INTERP_NEAREST;
@@ -57,25 +55,19 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
        else if ( strcmp( interps, "hyper" ) == 0 )
                interp = PIXOPS_INTERP_HYPER;
 
-       mlt_frame_get_image( this, &input, format, &iwidth, &iheight, writable );
-
-       if ( o_aspect_ratio != 0 && o_aspect_ratio != i_aspect_ratio && mlt_properties_get( properties, "distort" ) == NULL )
+       // If real_width/height exist, we want that as minimum information
+       if ( mlt_properties_get_int( properties, "real_width" ) )
        {
-               int temp_width = i_aspect_ratio / o_aspect_ratio * owidth + 0.5;
-
-               // Determine maximum size within the aspect ratio:
-               if ( temp_width > owidth )
-                       if ( i_aspect_ratio > o_aspect_ratio )
-                               oheight = o_aspect_ratio / i_aspect_ratio * oheight + 0.5;
-                       else
-                               oheight = i_aspect_ratio / o_aspect_ratio * oheight + 0.5;
-               else
-                       owidth = temp_width;
-                       
-               // Tell frame we have conformed the aspect to the consumer
-               mlt_frame_set_aspect_ratio( this, o_aspect_ratio );
+               iwidth = mlt_properties_get_int( properties, "real_width" );
+               iheight = mlt_properties_get_int( properties, "real_height" );
        }
-       //fprintf( stderr, "rescale: from %dx%d (aspect %f) to %dx%d (aspect %f)\n", iwidth, iheight, i_aspect_ratio, owidth, oheight, o_aspect_ratio );
+
+       // Let the producer know what we are actually requested to obtain
+       mlt_properties_set_int( properties, "rescale_width", *width );
+       mlt_properties_set_int( properties, "rescale_height", *height );
+
+       // Get the image as requested
+       mlt_frame_get_image( this, &input, format, &iwidth, &iheight, writable );
 
        if ( input != NULL )
        {
@@ -83,8 +75,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                if ( *format == mlt_image_yuv422 && strcmp( interps, "none" ) && ( iwidth != owidth || iheight != oheight ) )
                {
                        // Create the output image
-                       // IRRIGATE ME
-                       uint8_t *output = malloc( owidth * ( oheight + 1 ) * 2 );
+                       uint8_t *output = mlt_pool_alloc( owidth * ( oheight + 1 ) * 2 );
 
                        // Calculate strides
                        int istride = iwidth * 2;
@@ -93,20 +84,26 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                        yuv422_scale_simple( output, owidth, oheight, ostride, input, iwidth, iheight, istride, interp );
                
                        // Now update the frame
-                       mlt_properties_set_data( properties, "image", output, owidth * ( oheight + 1 ) * 2, free, NULL );
+                       mlt_properties_set_data( properties, "image", output, owidth * ( oheight + 1 ) * 2, ( mlt_destructor )mlt_pool_release, NULL );
                        mlt_properties_set_int( properties, "width", owidth );
                        mlt_properties_set_int( properties, "height", oheight );
 
                        // Return the output
                        *image = output;
                }
+               else if ( *format == mlt_image_yuv422 && !strcmp( interps, "none" ) )
+               {
+                       // Do nothing
+                       *width = iwidth;
+                       *height = iheight;
+                       *image = input;
+               }
                else if ( *format == mlt_image_rgb24 || *format == mlt_image_rgb24a )
                {
                        int bpp = (*format == mlt_image_rgb24a ? 4 : 3 );
                        
                        // Create the yuv image
-                       // IRRIGATE ME
-                       uint8_t *output = malloc( owidth * ( oheight + 1 ) * 2 );
+                       uint8_t *output = mlt_pool_alloc( owidth * ( oheight + 1 ) * 2 );
 
                        if ( strcmp( interps, "none" ) && ( iwidth != owidth || iheight != oheight ) )
                        {
@@ -121,8 +118,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                                if ( bpp == 4 )
                                {
                                        // Allocate the alpha mask
-                                       // IRRIGATE ME
-                                       uint8_t *alpha = malloc( owidth * ( oheight + 1 ) );
+                                       uint8_t *alpha = mlt_pool_alloc( owidth * ( oheight + 1 ) );
 
                                        // Convert the image and extract alpha
                                        mlt_convert_rgb24a_to_yuv422( gdk_pixbuf_get_pixels( scaled ),
@@ -130,7 +126,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                                                                                  gdk_pixbuf_get_rowstride( scaled ),
                                                                                  output, alpha );
 
-                                       mlt_properties_set_data( properties, "alpha", alpha, owidth * ( oheight + 1 ), free, NULL );
+                                       mlt_properties_set_data( properties, "alpha", alpha, owidth * ( oheight + 1 ), ( mlt_destructor )mlt_pool_release, NULL );
                                }
                                else
                                {
@@ -148,8 +144,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                                if ( bpp == 4 )
                                {
                                        // Allocate the alpha mask
-                                       // IRRIGATE ME
-                                       uint8_t *alpha = malloc( owidth * ( oheight + 1 ) );
+                                       uint8_t *alpha = mlt_pool_alloc( owidth * ( oheight + 1 ) );
 
                                        // Convert the image and extract alpha
                                        mlt_convert_rgb24a_to_yuv422( input,
@@ -157,7 +152,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                                                                                  owidth * 4,
                                                                                  output, alpha );
 
-                                       mlt_properties_set_data( properties, "alpha", alpha, owidth * ( oheight + 1 ), free, NULL );
+                                       mlt_properties_set_data( properties, "alpha", alpha, owidth * ( oheight + 1 ), ( mlt_destructor )mlt_pool_release, NULL );
                                }
                                else
                                {
@@ -170,7 +165,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                        }
 
                        // Now update the frame
-                       mlt_properties_set_data( properties, "image", output, owidth * ( oheight + 1 ) * 2, free, NULL );
+                       mlt_properties_set_data( properties, "image", output, owidth * ( oheight + 1 ) * 2, ( mlt_destructor )mlt_pool_release, NULL );
                        mlt_properties_set_int( properties, "width", owidth );
                        mlt_properties_set_int( properties, "height", oheight );
 
@@ -217,14 +212,11 @@ static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
 
 mlt_filter filter_rescale_init( char *arg )
 {
-       mlt_filter this = calloc( sizeof( struct mlt_filter_s ), 1 );
-       if ( mlt_filter_init( this, this ) == 0 )
+       mlt_filter this = mlt_filter_new( );
+       if ( this != NULL )
        {
                this->process = filter_process;
-               if ( arg != NULL )
-                       mlt_properties_set( mlt_filter_properties( this ), "interpolation", arg );
-               else
-                       mlt_properties_set( mlt_filter_properties( this ), "interpolation", "bilinear" );
+               mlt_properties_set( mlt_filter_properties( this ), "interpolation", arg == NULL ? "bilinear" : arg );
        }
        return this;
 }