struct producer_pango_s
{
struct mlt_producer_s parent;
- int width;
- int height;
- uint8_t *image;
- uint8_t *alpha;
+ int width;
+ int height;
+ GdkPixbuf *pixbuf;
char *fgcolor;
char *bgcolor;
int align;
char *markup;
char *text;
char *font;
- int weight;
+ int weight;
};
// special color type used by internal pango routines
static void refresh_image( mlt_frame frame, int width, int height )
{
- // Pixbuf
+ // Pixbuf
GdkPixbuf *pixbuf = mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "pixbuf", NULL );
// Obtain properties of frame
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;
+ if ( this->pixbuf )
+ g_object_unref( this->pixbuf );
+ this->pixbuf = NULL;
// Convert from specified encoding to UTF-8
if ( encoding != NULL && !strncaseeq( encoding, "utf-8", 5 ) && !strncaseeq( encoding, "utf8", 4 ) )
this->height = gdk_pixbuf_get_height( pixbuf );
}
}
- else if ( pixbuf == NULL && ( width > 0 && ( this->image == NULL || width != this->width || height != this->height ) ) )
+ else if ( pixbuf == NULL && width > 0 && ( this->pixbuf == NULL || width != this->width || height != this->height ) )
{
- mlt_pool_release( this->image );
- mlt_pool_release( this->alpha );
- this->image = NULL;
- this->alpha = NULL;
-
+ if ( this->pixbuf )
+ g_object_unref( this->pixbuf );
+ this->pixbuf = NULL;
pixbuf = mlt_properties_get_data( producer_props, "pixbuf", NULL );
}
// fprintf(stderr,"%s: scaling from %dx%d to %dx%d\n", __FILE__, this->width, this->height, width, height);
// Note - the original pixbuf is already safe and ready for destruction
- pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, interp );
+ this->pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, interp );
// Store width and height
this->width = width;
this->height = height;
-
- // Allocate/define image
- this->image = mlt_pool_alloc( width * ( height + 1 ) * 2 );
- this->alpha = mlt_pool_alloc( 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 ),
- this->image, this->alpha );
-
- // Finished with pixbuf now
- g_object_unref( pixbuf );
}
// Set width/height
mlt_properties_set_int( properties, "height", this->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 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 );
}
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
+ producer_pango this = ( producer_pango ) mlt_frame_pop_service( frame );
+
// Obtain properties of frame
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
- // We need to know the size of the image to clone it
- int image_size = 0;
- int alpha_size = 0;
-
- // Alpha channel
- uint8_t *alpha = NULL;
-
*width = mlt_properties_get_int( properties, "rescale_width" );
*height = mlt_properties_get_int( properties, "rescale_height" );
pthread_mutex_lock( &pango_mutex );
refresh_image( frame, *width, *height );
- // Get the image
- *buffer = mlt_properties_get_data( properties, "image", &image_size );
- alpha = mlt_properties_get_data( properties, "alpha", &alpha_size );
-
// Get width and height
- *width = mlt_properties_get_int( properties, "width" );
- *height = mlt_properties_get_int( properties, "height" );
+ *width = this->width;
+ *height = this->height;
// Always clone here to allow 'animated' text
- if ( *buffer != NULL )
+ if ( this->pixbuf )
{
- // Clone the image and the alpha
- uint8_t *image_copy = mlt_pool_alloc( image_size );
- uint8_t *alpha_copy = mlt_pool_alloc( alpha_size );
-
- memcpy( image_copy, *buffer, image_size );
-
- // Copy or default the alpha
- if ( alpha != NULL )
- memcpy( alpha_copy, alpha, alpha_size );
- else
- memset( alpha_copy, 255, alpha_size );
+ // Clone the image
+ int image_size = this->width * this->height * 4;
+ *buffer = mlt_pool_alloc( image_size );
+ memcpy( *buffer, gdk_pixbuf_get_pixels( this->pixbuf ), image_size );
// Now update properties so we free the copy after
- mlt_properties_set_data( properties, "image", image_copy, image_size, mlt_pool_release, NULL );
- mlt_properties_set_data( properties, "alpha", alpha_copy, alpha_size, mlt_pool_release, NULL );
-
- // We're going to pass the copy on
- *buffer = image_copy;
+ mlt_properties_set_data( properties, "image", *buffer, image_size, mlt_pool_release, NULL );
+ *format = mlt_image_rgb24a;
}
else
{
// TODO: Review all cases of invalid images
*buffer = mlt_pool_alloc( 50 * 50 * 2 );
- mlt_properties_set_data( properties, "image", *buffer, image_size, mlt_pool_release, NULL );
+ mlt_properties_set_data( properties, "image", *buffer, 50 * 50 * 2, mlt_pool_release, NULL );
*width = 50;
*height = 50;
+ *format = mlt_image_yuv422;
}
pthread_mutex_unlock( &pango_mutex );
return 0;
}
-static uint8_t *producer_get_alpha_mask( mlt_frame this )
-{
- // Obtain properties of frame
- mlt_properties properties = MLT_FRAME_PROPERTIES( this );
-
- // Return the alpha mask
- return mlt_properties_get_data( properties, "alpha", NULL );
-}
-
static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
{
producer_pango this = producer->child;
mlt_properties_set_int( properties, "progressive", 1 );
mlt_properties_set_double( properties, "aspect_ratio", 1 );
- // Set alpha call back
- ( *frame )->get_alpha_mask = producer_get_alpha_mask;
-
// Stack the get image callback
+ mlt_frame_push_service( *frame, this );
mlt_frame_push_get_image( *frame, producer_get_image );
// Calculate the next timecode
static void producer_close( mlt_producer parent )
{
producer_pango this = parent->child;
- mlt_pool_release( this->image );
- mlt_pool_release( this->alpha );
+ if ( this->pixbuf )
+ g_object_unref( this->pixbuf );
free( this->fgcolor );
free( this->bgcolor );
free( this->markup );
projects / mlt / blobdiff