* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include "filter_luma.h"
-
+#include <framework/mlt_filter.h>
#include <framework/mlt_factory.h>
#include <framework/mlt_frame.h>
#include <framework/mlt_producer.h>
#include <framework/mlt_transition.h>
+#include <framework/mlt_log.h>
#include <stdio.h>
#include <stdlib.h>
{
int error = 0;
mlt_filter filter = mlt_frame_pop_service( this );
- mlt_properties properties = mlt_filter_properties( filter );
+ mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
+
+ mlt_service_lock( MLT_FILTER_SERVICE( filter ) );
+
mlt_transition luma = mlt_properties_get_data( properties, "luma", NULL );
mlt_frame b_frame = mlt_properties_get_data( properties, "frame", NULL );
+ mlt_properties b_frame_props = b_frame ? MLT_FRAME_PROPERTIES( b_frame ) : NULL;
int out = mlt_properties_get_int( properties, "period" );
-
- if ( out == 0 )
- out = 24;
+ int cycle = mlt_properties_get_int( properties, "cycle" );
+ int duration = mlt_properties_get_int( properties, "duration" );
+ mlt_position position = mlt_filter_get_position( filter, this );
+
+ out = out? out + 1 : 25;
+ if ( cycle )
+ out = cycle;
+ if ( duration < 1 || duration > out )
+ duration = out;
+ *format = mlt_image_yuv422;
+
+ if ( b_frame == NULL || mlt_properties_get_int( b_frame_props, "width" ) != *width || mlt_properties_get_int( b_frame_props, "height" ) != *height )
+ {
+ b_frame = mlt_frame_init( MLT_FILTER_SERVICE( filter ) );
+ mlt_properties_set_data( properties, "frame", b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
+ }
if ( luma == NULL )
{
char *resource = mlt_properties_get( properties, "resource" );
- luma = mlt_factory_transition( "luma", resource );
+ mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) );
+ luma = mlt_factory_transition( profile, "luma", resource );
if ( luma != NULL )
{
- mlt_properties luma_properties = mlt_transition_properties( luma );
+ mlt_properties luma_properties = MLT_TRANSITION_PROPERTIES( luma );
mlt_properties_set_int( luma_properties, "in", 0 );
- mlt_properties_set_int( luma_properties, "out", out );
+ mlt_properties_set_int( luma_properties, "out", duration - 1 );
mlt_properties_set_int( luma_properties, "reverse", 1 );
- mlt_properties_pass( luma_properties, properties, "luma." );
mlt_properties_set_data( properties, "luma", luma, 0, ( mlt_destructor )mlt_transition_close, NULL );
}
}
- if ( b_frame == NULL )
+ mlt_position modulo_pos = MLT_POSITION_MOD(position, out);
+ mlt_log_debug( MLT_FILTER_SERVICE(filter), "pos " MLT_POSITION_FMT " mod period " MLT_POSITION_FMT "\n", position, modulo_pos );
+ if ( luma != NULL &&
+ ( mlt_properties_get( properties, "blur" ) != NULL ||
+ ( position >= duration && modulo_pos < duration - 1 ) ) )
{
- b_frame = mlt_frame_init( );
- mlt_properties_set_data( properties, "frame", b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
- }
-
- if ( luma != NULL &&
- ( mlt_properties_get( properties, "blur" ) != NULL ||
- mlt_frame_get_position( this ) % ( out + 1 ) != out ) )
+ mlt_properties luma_properties = MLT_TRANSITION_PROPERTIES( luma );
+ mlt_properties_pass( luma_properties, properties, "luma." );
+ int in = position / out * out + mlt_frame_get_position( this ) - position;
+ mlt_properties_set_int( luma_properties, "in", in );
+ mlt_properties_set_int( luma_properties, "out", in + duration - 1 );
mlt_transition_process( luma, this, b_frame );
+ }
error = mlt_frame_get_image( this, image, format, width, height, 1 );
- if ( error == 0 )
+ // We only need a copy of the last frame in the cycle, but we could miss it
+ // with realtime frame-dropping, so we copy the last several frames of the cycle.
+ if ( error == 0 && modulo_pos > out - duration )
{
- mlt_properties a_props = mlt_frame_properties( this );
+ mlt_properties a_props = MLT_FRAME_PROPERTIES( this );
int size = 0;
uint8_t *src = mlt_properties_get_data( a_props, "image", &size );
uint8_t *dst = mlt_pool_alloc( size );
if ( dst != NULL )
{
- mlt_properties b_props = mlt_frame_properties( b_frame );
+ mlt_log_debug( MLT_FILTER_SERVICE(filter), "copying frame " MLT_POSITION_FMT "\n", modulo_pos );
+ mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame );
memcpy( dst, src, size );
- mlt_properties_set_data( b_props, "image", dst, size, mlt_pool_release, NULL );
+ mlt_frame_set_image( b_frame, dst, size, mlt_pool_release );
mlt_properties_set_int( b_props, "width", *width );
mlt_properties_set_int( b_props, "height", *height );
+ mlt_properties_set_int( b_props, "format", *format );
}
}
+ mlt_service_unlock( MLT_FILTER_SERVICE( filter ) );
+
return error;
}
/** Constructor for the filter.
*/
-mlt_filter filter_luma_init( void *arg )
+mlt_filter filter_luma_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
mlt_filter this = mlt_filter_new( );
if ( this != NULL )
{
- mlt_properties properties = mlt_filter_properties( this );
+ mlt_properties properties = MLT_FILTER_PROPERTIES( this );
this->process = filter_process;
if ( arg != NULL )
mlt_properties_set( properties, "resource", arg );
projects / mlt / blobdiff