some bugfixes, filter_shape producer, pixbuf takes svg xml, fezzik can take a service...
[melted] / src / modules / gtk2 / producer_pango.c
index 5232389..c26e61a 100644 (file)
@@ -33,8 +33,8 @@ struct producer_pango_s
        int height;
        uint8_t *image;
        uint8_t *alpha;
-       int   fgcolor;
-       int   bgcolor;
+       char *fgcolor;
+       char *bgcolor;
        int   align;
        int   pad;
        char *markup;
@@ -55,6 +55,24 @@ static void pango_draw_background( GdkPixbuf *pixbuf, rgba_color bg );
 static GdkPixbuf *pango_get_pixbuf( const char *markup, const char *text, const char *font,
        rgba_color fg, rgba_color bg, int pad, int align );
 
+/** Parse the alignment property.
+*/
+
+static int alignment_parse( char* align )
+{
+       int ret = pango_align_left;
+
+       if ( align == NULL );
+       else if ( isdigit( align[ 0 ] ) )
+               ret = atoi( align );
+       else if ( align[ 0 ] == 'c' || align[ 0 ] == 'm' )
+               ret = pango_align_center;
+       else if ( align[ 0 ] == 'r' )
+               ret = pango_align_right;
+
+       return ret;
+}
+
 mlt_producer producer_pango_init( const char *filename )
 {
        producer_pango this = calloc( sizeof( struct producer_pango_s ), 1 );
@@ -72,31 +90,29 @@ mlt_producer producer_pango_init( const char *filename )
                mlt_properties properties = mlt_producer_properties( &this->parent );
 
                // Set the default properties
-               mlt_properties_set_int( properties, "video_standard", mlt_video_standard_pal );
-               mlt_properties_set_int( properties, "fgcolor", 0xffffffff );
-               mlt_properties_set_int( properties, "bgcolor", 0x00000000 );
+               mlt_properties_set( properties, "fgcolour", "0xffffffff" );
+               mlt_properties_set( properties, "bgcolour", "0x00000000" );
                mlt_properties_set_int( properties, "align", pango_align_left );
                mlt_properties_set_int( properties, "pad", 0 );
                mlt_properties_set( properties, "text", "" );
                mlt_properties_set( properties, "font", "Sans 48" );
-               mlt_properties_set_int( properties, "x", 0 );
-               mlt_properties_set_int( properties, "y", 0 );
-               mlt_properties_set_double( properties, "mix", 1.0 );
 
                if ( filename == NULL )
                {
-                       mlt_properties_set( properties, "resource", "pango" );
                        mlt_properties_set( properties, "markup", "" );
                }
-               else if ( filename[ 0 ] == '+' )
+               else if ( filename[ 0 ] == '+' || strstr( filename, "/+" ) )
                {
-                       char *markup = strdup( filename + 1 );
+                       char *copy = strdup( filename + 1 );
+                       char *markup = copy;
+                       if ( strstr( markup, "/+" ) )
+                               markup = strstr( markup, "/+" ) + 2;
                        ( *strrchr( markup, '.' ) ) = '\0';
                        while ( strchr( markup, '~' ) )
                                ( *strchr( markup, '~' ) ) = '\n';
                        mlt_properties_set( properties, "resource", ( char * )filename );
                        mlt_properties_set( properties, "markup", markup );
-                       free( markup );
+                       free( copy );
                }
                else
                {
@@ -132,7 +148,6 @@ mlt_producer producer_pango_init( const char *filename )
                        }
                        else
                        {
-                               mlt_properties_set( properties, "resource", "pango" );
                                mlt_properties_set( properties, "markup", "" );
                        }
                }
@@ -143,6 +158,68 @@ mlt_producer producer_pango_init( const char *filename )
        return NULL;
 }
 
+static void set_string( char **string, char *value, char *fallback )
+{
+       if ( value != NULL )
+       {
+               free( *string );
+               *string = strdup( value );
+       }
+       else if ( *string == NULL && fallback != NULL )
+       {
+               *string = strdup( fallback );
+       }
+       else if ( *string != NULL && fallback == NULL )
+       {
+               free( *string );
+               *string = NULL;
+       }
+}
+
+rgba_color parse_color( char *color )
+{
+       rgba_color result = { 0xff, 0xff, 0xff, 0xff };
+
+       if ( !strncmp( color, "0x", 2 ) )
+       {
+               unsigned int temp = 0;
+               sscanf( color + 2, "%x", &temp );
+               result.r = ( temp >> 24 ) & 0xff;
+               result.g = ( temp >> 16 ) & 0xff;
+               result.b = ( temp >> 8 ) & 0xff;
+               result.a = ( temp ) & 0xff;
+       }
+       else if ( !strcmp( color, "red" ) )
+       {
+               result.r = 0xff;
+               result.g = 0x00;
+               result.b = 0x00;
+       }
+       else if ( !strcmp( color, "green" ) )
+       {
+               result.r = 0x00;
+               result.g = 0xff;
+               result.b = 0x00;
+       }
+       else if ( !strcmp( color, "blue" ) )
+       {
+               result.r = 0x00;
+               result.g = 0x00;
+               result.b = 0xff;
+       }
+       else
+       {
+               unsigned int temp = 0;
+               sscanf( color, "%d", &temp );
+               result.r = ( temp >> 24 ) & 0xff;
+               result.g = ( temp >> 16 ) & 0xff;
+               result.b = ( temp >> 8 ) & 0xff;
+               result.a = ( temp ) & 0xff;
+       }
+
+       return result;
+}
+
 static void refresh_image( mlt_frame frame, int width, int height )
 {
        // Pixbuf 
@@ -161,60 +238,41 @@ static void refresh_image( mlt_frame frame, int width, int height )
        mlt_properties producer_props = mlt_producer_properties( producer );
 
        // Get producer properties
-       int fg = mlt_properties_get_int( producer_props, "fgcolor" );
-       int bg = mlt_properties_get_int( producer_props, "bgcolor" );
-       int align = mlt_properties_get_int( producer_props, "align" );
+       char *fg = mlt_properties_get( producer_props, "fgcolour" );
+       char *bg = mlt_properties_get( producer_props, "bgcolour" );
+       int align = alignment_parse( mlt_properties_get( producer_props, "align" ) );
        int pad = mlt_properties_get_int( producer_props, "pad" );
        char *markup = mlt_properties_get( producer_props, "markup" );
        char *text = mlt_properties_get( producer_props, "text" );
        char *font = mlt_properties_get( producer_props, "font" );
 
        // See if any properties changed
-       int property_changed = ( fg != this->fgcolor );
-       property_changed = property_changed || ( bg != this->bgcolor );
-       property_changed = property_changed || ( align != this->align );
+       int property_changed = ( align != this->align );
+       property_changed = property_changed || ( this->fgcolor == NULL || ( fg && strcmp( fg, this->fgcolor ) ) );
+       property_changed = property_changed || ( this->bgcolor == NULL || ( bg && strcmp( bg, this->bgcolor ) ) );
        property_changed = property_changed || ( pad != this->pad );
        property_changed = property_changed || ( markup && this->markup && strcmp( markup, this->markup ) );
        property_changed = property_changed || ( text && this->text && strcmp( text, this->text ) );
        property_changed = property_changed || ( font && this->font && strcmp( font, this->font ) );
 
        // Save the properties for next comparison
-       this->fgcolor = fg;
-       this->bgcolor = bg;
        this->align = align;
        this->pad = pad;
-       if ( markup != NULL )
-       {
-               free( this->markup );
-               this->markup = strdup( markup );
-       }
-       if ( text != NULL )
-       {
-               free( this->text );
-               this->text = strdup( text );
-       }
-       if ( font != NULL )
-       {
-               free( this->font );
-               this->font = strdup( font );
-       }
+       set_string( &this->fgcolor, fg, "0xffffffff" );
+       set_string( &this->bgcolor, bg, "0x00000000" );
+       set_string( &this->markup, markup, NULL );
+       set_string( &this->text, text, NULL );
+       set_string( &this->font, font, "Sans 48" );
 
        if ( property_changed )
        {
-               rgba_color fgcolor =
-               {
-                       ( fg & 0xff000000 ) >> 24,
-                       ( fg & 0x00ff0000 ) >> 16,
-                       ( fg & 0x0000ff00 ) >> 8,
-                       ( fg & 0x000000ff )
-               };
-               rgba_color bgcolor =
-               {
-                       ( bg & 0xff000000 ) >> 24,
-                       ( bg & 0x00ff0000 ) >> 16,
-                       ( bg & 0x0000ff00 ) >> 8,
-                       ( bg & 0x000000ff )
-               };
+               rgba_color fgcolor = parse_color( this->fgcolor );
+               rgba_color bgcolor = parse_color( this->bgcolor );
+
+               mlt_pool_release( this->image );
+               mlt_pool_release( this->alpha );
+               this->image = NULL;
+               this->alpha = NULL;
 
                // Render the title
                pixbuf = pango_get_pixbuf( markup, text, font, fgcolor, bgcolor, pad, align );
@@ -232,54 +290,50 @@ static void refresh_image( mlt_frame frame, int width, int height )
                        this->height = gdk_pixbuf_get_height( pixbuf );
                }
        }
-       else if ( this->image == NULL || width != this->width || height != this->height )
+       else if ( width > 0 && ( this->image == NULL || width != this->width || height != this->height ) )
        {
+               mlt_pool_release( this->image );
+               mlt_pool_release( this->alpha );
+               this->image = NULL;
+               this->alpha = NULL;
+
                pixbuf = mlt_properties_get_data( producer_props, "pixbuf", NULL );
        }
 
        // If we have a pixbuf and a valid width
        if ( pixbuf && width > 0 )
        {
+               char *interps = mlt_properties_get( properties, "rescale.interp" );
+               int interp = GDK_INTERP_BILINEAR;
+
+               if ( strcmp( interps, "nearest" ) == 0 )
+                       interp = GDK_INTERP_NEAREST;
+               else if ( strcmp( interps, "tiles" ) == 0 )
+                       interp = GDK_INTERP_TILES;
+               else if ( strcmp( interps, "hyper" ) == 0 )
+                       interp = GDK_INTERP_HYPER;
+
+//             fprintf( stderr, "SCALING PANGO from %dx%d to %dx%d was %dx%d\n", gdk_pixbuf_get_width( pixbuf ), gdk_pixbuf_get_height( pixbuf ), width, height, this->width, this->height );
+                       
                // Note - the original pixbuf is already safe and ready for destruction
-               pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, GDK_INTERP_HYPER );
+               pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, interp );
 
                // Store width and height
-               this->width = gdk_pixbuf_get_width( pixbuf );
-               this->height = gdk_pixbuf_get_height( pixbuf );
+               this->width = width;
+               this->height = height;
 
-               // Allocate/define image and alpha
-               uint8_t *image = malloc( this->width * this->height * 2 );
-               uint8_t *alpha = NULL;
+               // Allocate/define image
+               this->image = mlt_pool_alloc( width * ( height + 1 ) * 2 );
+               this->alpha = mlt_pool_alloc( this->width * this->height );
 
-               // Extract YUV422 and alpha
-               if ( gdk_pixbuf_get_has_alpha( pixbuf ) )
-               {
-                       // Allocate the alpha mask
-                       alpha = malloc( this->width * this->height );
-
-                       // Convert the image
-                       mlt_convert_rgb24a_to_yuv422( gdk_pixbuf_get_pixels( pixbuf ),
-                                                                                 this->width, this->height,
-                                                                                 gdk_pixbuf_get_rowstride( pixbuf ),
-                                                                                 image, alpha );
-               }
-               else
-               { 
-                       // No alpha to extract
-                       mlt_convert_rgb24_to_yuv422( gdk_pixbuf_get_pixels( pixbuf ),
-                                                                                this->width, this->height,
-                                                                                gdk_pixbuf_get_rowstride( pixbuf ),
-                                                                                image );
-               }
+               // Convert the image
+               mlt_convert_rgb24a_to_yuv422( gdk_pixbuf_get_pixels( pixbuf ),
+                                                                         this->width, this->height,
+                                                                         gdk_pixbuf_get_rowstride( pixbuf ),
+                                                                         this->image, this->alpha );
 
                // Finished with pixbuf now
                g_object_unref( pixbuf );
-               
-               // if single picture, reference the image and alpha in the producer
-               free( this->image );
-               this->image = image;
-               free( this->alpha );
-               this->alpha = alpha;
        }
 
        // Set width/height
@@ -288,8 +342,8 @@ static void refresh_image( mlt_frame frame, int width, int height )
        mlt_properties_set_int( properties, "real_width", mlt_properties_get_int( producer_props, "real_width" ) );
        mlt_properties_set_int( properties, "real_height", mlt_properties_get_int( producer_props, "real_height" ) );
 
-       // pass the image and alpha data without destructor
-       mlt_properties_set_data( properties, "image", this->image, this->width * this->height * 2, NULL, NULL );
+       // pass the image data without destructor
+       mlt_properties_set_data( properties, "image", this->image, this->width * ( this->height + 1 ) * 2, NULL, NULL );
        mlt_properties_set_data( properties, "alpha", this->alpha, this->width * this->height, NULL, NULL );
 }
 
@@ -298,9 +352,16 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
        // Obtain properties of frame
        mlt_properties properties = mlt_frame_properties( frame );
 
+       *width = mlt_properties_get_int( properties, "rescale_width" );
+       *height = mlt_properties_get_int( properties, "rescale_height" );
+
        // Refresh the image
        refresh_image( frame, *width, *height );
 
+       // Determine format
+       //mlt_producer this = mlt_properties_get_data( properties, "producer_pango", NULL );
+       //*format = ( mlt_properties_get_int( mlt_producer_properties( this ), "bpp" ) == 4 ) ? mlt_image_rgb24a : mlt_image_rgb24;
+
        // May need to know the size of the image to clone it
        int size = 0;
 
@@ -315,14 +376,14 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
        if ( writable )
        {
                // Clone our image
-               uint8_t *copy = malloc( size );
+               uint8_t *copy = mlt_pool_alloc( size );
                memcpy( copy, image, size );
 
                // We're going to pass the copy on
                image = copy;
 
                // Now update properties so we free the copy after
-               mlt_properties_set_data( properties, "image", copy, size, free, NULL );
+               mlt_properties_set_data( properties, "image", copy, size, ( mlt_destructor )mlt_pool_release, NULL );
        }
 
        // Pass on the image
@@ -356,7 +417,11 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i
        // Refresh the pango image
        refresh_image( *frame, 0, 0 );
 
-       // Set alpha mask call back
+       // Set producer-specific frame properties
+       mlt_properties_set_int( properties, "progressive", 1 );
+       mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( properties, "real_width" ) / mlt_properties_get_double( properties, "real_height" ) );
+
+       // Set alpha call back
        ( *frame )->get_alpha_mask = producer_get_alpha_mask;
 
        // Stack the get image callback
@@ -374,8 +439,10 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i
 static void producer_close( mlt_producer parent )
 {
        producer_pango this = parent->child;
-       free( this->image );
-       free( this->alpha );
+       mlt_pool_release( this->image );
+       mlt_pool_release( this->alpha );
+       free( this->fgcolor );
+       free( this->bgcolor );
        free( this->markup );
        free( this->text );
        free( this->font );
@@ -437,10 +504,12 @@ static GdkPixbuf *pango_get_pixbuf( const char *markup, const char *text, const
        bitmap.width     = w;
        bitmap.pitch     = 32 * ( ( w + 31 ) / 31 );
        bitmap.rows      = h;
-       bitmap.buffer    = ( unsigned char * ) calloc( 1, h * bitmap.pitch );
+       bitmap.buffer    = mlt_pool_alloc( h * bitmap.pitch );
        bitmap.num_grays = 256;
        bitmap.pixel_mode = ft_pixel_mode_grays;
 
+       memset( bitmap.buffer, 0, h * bitmap.pitch );
+
        pango_ft2_render_layout( &bitmap, layout, 0, 0 );
 
        src = bitmap.buffer;
@@ -459,8 +528,7 @@ static GdkPixbuf *pango_get_pixbuf( const char *markup, const char *text, const
                }
                dest += stride;
        }
-       free( bitmap.buffer );
-
+       mlt_pool_release( bitmap.buffer );
        g_object_unref( layout );
        g_object_unref( context );
        g_object_unref( fontmap );