-/*
- * mlt_tractor.c -- tractor service class
- * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
- * Author: Charles Yates <charles.yates@pandora.be>
+/**
+ * \file mlt_tractor.c
+ * \brief tractor service class
*
- * 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.
+ * Copyright (C) 2003-2008 Ushodaya Enterprises Limited
+ * \author Charles Yates <charles.yates@pandora.be>
*
- * This program is distributed in the hope that it will be useful,
+ * 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 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 "config.h"
-
#include "mlt_tractor.h"
#include "mlt_frame.h"
#include "mlt_multitrack.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <ctype.h>
/** Forward references to static methods.
*/
mlt_properties properties = MLT_FRAME_PROPERTIES( this );
mlt_frame frame = mlt_frame_pop_service( this );
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
- mlt_properties_set_int( frame_properties, "width", mlt_properties_get_int( properties, "width" ) );
- mlt_properties_set_int( frame_properties, "height", mlt_properties_get_int( properties, "height" ) );
mlt_properties_set( frame_properties, "rescale.interp", mlt_properties_get( properties, "rescale.interp" ) );
+ mlt_properties_set_int( frame_properties, "resize_alpha", mlt_properties_get_int( properties, "resize_alpha" ) );
mlt_properties_set_int( frame_properties, "distort", mlt_properties_get_int( properties, "distort" ) );
mlt_properties_set_double( frame_properties, "consumer_aspect_ratio", mlt_properties_get_double( properties, "consumer_aspect_ratio" ) );
- mlt_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_double( properties, "consumer_deinterlace" ) );
+ mlt_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_int( properties, "consumer_deinterlace" ) );
mlt_properties_set( frame_properties, "deinterlace_method", mlt_properties_get( properties, "deinterlace_method" ) );
- mlt_properties_set_int( frame_properties, "normalised_width", mlt_properties_get_double( properties, "normalised_width" ) );
- mlt_properties_set_int( frame_properties, "normalised_height", mlt_properties_get_double( properties, "normalised_height" ) );
+ mlt_properties_set_int( frame_properties, "normalised_width", mlt_properties_get_int( properties, "normalised_width" ) );
+ mlt_properties_set_int( frame_properties, "normalised_height", mlt_properties_get_int( properties, "normalised_height" ) );
mlt_frame_get_image( frame, buffer, format, width, height, writable );
mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, NULL, NULL );
mlt_properties_set_int( properties, "width", *width );
mlt_properties_set_int( properties, "height", *height );
+ mlt_properties_set_int( properties, "format", *format );
mlt_properties_set_double( properties, "aspect_ratio", mlt_frame_get_aspect_ratio( frame ) );
mlt_properties_set_int( properties, "progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
mlt_properties_set_int( properties, "distort", mlt_properties_get_int( frame_properties, "distort" ) );
}
/** Get the next frame.
+
+ TODO: This function needs to be redesigned...
*/
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int track )
int done = 0;
mlt_frame temp = NULL;
int count = 0;
+ int image_count = 0;
// Get the properties of the parent producer
mlt_properties properties = MLT_PRODUCER_PROPERTIES( parent );
// Determine whether this tractor feeds to the consumer or stops here
int global_feed = mlt_properties_get_int( properties, "global_feed" );
- // If we don't have one, we're in trouble...
+ // If we don't have one, we're in trouble...
if ( multitrack != NULL )
{
// Used to garbage collect all frames
// We'll store audio and video frames to use here
mlt_frame audio = NULL;
mlt_frame video = NULL;
+ mlt_frame first_video = NULL;
// Temporary properties
mlt_properties temp_properties = NULL;
mlt_producer_set_speed( target, mlt_producer_get_speed( parent ) );
// We will create one frame and attach everything to it
- *frame = mlt_frame_init( );
+ *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( parent ) );
// Get the properties of the frame
frame_properties = MLT_FRAME_PROPERTIES( *frame );
// Check for last track
done = mlt_properties_get_int( temp_properties, "last_track" );
+ // Handle fx only tracks
+ if ( mlt_properties_get_int( temp_properties, "fx_cut" ) )
+ {
+ int hide = ( video == NULL ? 1 : 0 ) | ( audio == NULL ? 2 : 0 );
+ mlt_properties_set_int( temp_properties, "hide", hide );
+ }
+
// We store all frames with a destructor on the output frame
sprintf( label, "_%s_%d", id, count ++ );
mlt_properties_set_data( frame_properties, label, temp, 0, ( mlt_destructor )mlt_frame_close, NULL );
// Pick up first video and audio frames
if ( !done && !mlt_frame_is_test_audio( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 2 ) )
+ {
+ // Order of frame creation is starting to get problematic
+ if ( audio != NULL )
+ {
+ mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), producer_get_audio );
+ mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), audio );
+ }
audio = temp;
+ }
if ( !done && !mlt_frame_is_test_card( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 1 ) )
+ {
+ if ( video != NULL )
+ {
+ mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), producer_get_image );
+ mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), video );
+ }
video = temp;
+ if ( first_video == NULL )
+ first_video = temp;
+
+ // Ensure that all frames know the aspect ratio of the background
+ mlt_properties_set_double( temp_properties, "output_ratio",
+ mlt_properties_get_double( MLT_FRAME_PROPERTIES( first_video ), "aspect_ratio" ) );
+
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( temp ), "image_count", ++ image_count );
+ image_count = 1;
+ }
}
-
+
// Now stack callbacks
if ( audio != NULL )
{
if ( video != NULL )
{
- mlt_properties video_properties = MLT_FRAME_PROPERTIES( video );
+ mlt_properties video_properties = MLT_FRAME_PROPERTIES( first_video );
mlt_frame_push_service( *frame, video );
mlt_frame_push_service( *frame, producer_get_image );
if ( global_feed )
mlt_properties_set_int( frame_properties, "real_height", mlt_properties_get_int( video_properties, "real_height" ) );
mlt_properties_set_int( frame_properties, "progressive", mlt_properties_get_int( video_properties, "progressive" ) );
mlt_properties_set_double( frame_properties, "aspect_ratio", mlt_properties_get_double( video_properties, "aspect_ratio" ) );
+ mlt_properties_set_int( frame_properties, "image_count", image_count );
}
else
{
else
{
// Generate a test card
- *frame = mlt_frame_init( );
+ *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( parent ) );
return 0;
}
}
projects / mlt / blobdiff