static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
/* Obtain properties of frame */
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
/* Obtain the producer for this frame */
producer_ktitle this = mlt_properties_get_data( properties, "producer_kdenlivetitle", NULL );
/* Obtain properties of producer */
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( &this->parent );
*width = mlt_properties_get_int( properties, "rescale_width" );
*height = mlt_properties_get_int( properties, "rescale_height" );
/* Allocate the image */
int size = *width * ( *height ) * 4;
/* Allocate the image */
*format = mlt_image_rgb24a;
mlt_position time = mlt_producer_position( &this->parent ) + mlt_producer_get_in( &this->parent );
if ( mlt_properties_get_int( producer_props, "force_reload" ) ) {
if (mlt_properties_get_int( producer_props, "force_reload" ) > 1) read_xml(producer_props);
mlt_properties_set_int( producer_props, "force_reload", 0 );
drawKdenliveTitle( this, frame, *width, *height, time, 1);
}
else drawKdenliveTitle( this, frame, *width, *height, time, 0);
// Get width and height (may have changed during the refresh)
*width = mlt_properties_get_int( properties, "width" );
*height = mlt_properties_get_int( properties, "height" );
if ( this->current_image )
{
// Clone the image and the alpha
int image_size = this->current_width * ( this->current_height ) * 4;
uint8_t *image_copy = mlt_pool_alloc( image_size );
memcpy( image_copy, this->current_image, 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 );
// We're going to pass the copy on
*buffer = image_copy;
/* Update the frame */
mlt_properties_set_data( properties, "image", *buffer, size, mlt_pool_release, NULL );
mlt_log_debug( MLT_PRODUCER_SERVICE( &this->parent ), "width:%d height:%d %s\n", *width, *height, mlt_image_format_name( *format ) );
}
return 0;
}
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
int error = 0;
/* Obtain properties of frame */
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
/* Obtain the producer for this frame */
producer_ktitle self = mlt_properties_get_data( properties, "producer_kdenlivetitle", NULL );
/* Obtain properties of producer */
mlt_producer producer = &self->parent;
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
if ( mlt_properties_get_int( properties, "rescale_width" ) > 0 )
*width = mlt_properties_get_int( properties, "rescale_width" );
if ( mlt_properties_get_int( properties, "rescale_height" ) > 0 )
*height = mlt_properties_get_int( properties, "rescale_height" );
mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
/* Allocate the image */
if ( mlt_properties_get_int( producer_props, "force_reload" ) ) {
if ( mlt_properties_get_int( producer_props, "force_reload" ) > 1 ) read_xml( producer_props );
mlt_properties_set_int( producer_props, "force_reload", 0 );
drawKdenliveTitle( self, frame, *format, *width, *height, mlt_frame_original_position( frame ), 1 );
}
else
{
drawKdenliveTitle( self, frame, *format, *width, *height, mlt_frame_original_position( frame ), 0 );
}
// Get width and height (may have changed during the refresh)
*width = mlt_properties_get_int( properties, "width" );
*height = mlt_properties_get_int( properties, "height" );
*format = self->format;
if ( self->current_image )
{
// Clone the image and the alpha
int image_size = mlt_image_format_size( self->format, self->current_width, self->current_height, NULL );
uint8_t *image_copy = mlt_pool_alloc( image_size );
// We use height-1 because mlt_image_format_size() uses height + 1.
// XXX Remove -1 when mlt_image_format_size() is changed.
memcpy( image_copy, self->current_image,
mlt_image_format_size( self->format, self->current_width, self->current_height - 1, NULL ) );
// Now update properties so we free the copy after
mlt_frame_set_image( frame, image_copy, image_size, mlt_pool_release );
// We're going to pass the copy on
*buffer = image_copy;
// Clone the alpha channel
if ( self->current_alpha )
{
image_copy = mlt_pool_alloc( self->current_width * self->current_height );
memcpy( image_copy, self->current_alpha, self->current_width * self->current_height );
mlt_frame_set_alpha( frame, image_copy, self->current_width * self->current_height, mlt_pool_release );
}
}
else
{
error = 1;
}
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
return error;
}
