// Obtain properties of producer
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
+ // Parse the colour
+ rgba_color color = parse_color( mlt_properties_get( producer_props, "resource" ) );
+
// Get the current image and dimensions cached in the producer
uint8_t *image = mlt_properties_get_data( producer_props, "image", &size );
int current_width = mlt_properties_get_int( producer_props, "width" );
// See if we need to regenerate
if ( *width != current_width || *height != current_height )
{
+ // Color the image
+ uint8_t y, u, v;
+ int i = 0;
+
// Allocate the image
size = *width * *height * 2;
image = mlt_pool_alloc( size );
mlt_properties_set_int( producer_props, "width", *width );
mlt_properties_set_int( producer_props, "height", *height );
- // Color the image
- rgba_color color = parse_color( mlt_properties_get( producer_props, "resource" ) );
- uint8_t y, u, v;
- int i = 0;
RGB2YUV( color.r, color.g, color.b, y, u, v );
while ( i < size )
// Clone if necessary
if ( writable )
{
+ // Create the alpha channel
+ uint8_t *alpha = mlt_pool_alloc( size >> 1 );
+
// Clone our image
uint8_t *copy = mlt_pool_alloc( size );
memcpy( copy, image, size );
// We're going to pass the copy on
image = copy;
+ // Initialise the alpha
+ if ( alpha )
+ memset( alpha, color.a, size >> 1 );
+
// Now update properties so we free the copy after
mlt_properties_set_data( properties, "image", copy, size, mlt_pool_release, NULL );
+ mlt_properties_set_data( properties, "alpha", alpha, size >> 1, mlt_pool_release, NULL );
}
// Pass on the image