research.m1stereo.tv/gitweb/ - melted/blob - src/modules/westley/producer_westley.c

   1 /*
   2  * producer_libdv.c -- a libxml2 parser of mlt service networks
   3  * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
   4  * Author: Dan Dennedy <dan@dennedy.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "producer_westley.h"
  22 #include <framework/mlt.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <stdio.h>
  26
  27 #include <libxml/parser.h>
  28
  29 static mlt_producer parse_westley( char *file )
  30 {
  31         return NULL;
  32 }
  33
  34 mlt_producer producer_westley_init( char *filename )
  35 {
  36         int i;
  37         int track = 0;
  38         mlt_producer producer = NULL;
  39         mlt_playlist playlist = mlt_playlist_init( );
  40         mlt_properties group = mlt_properties_new( );
  41         mlt_properties properties = group;
  42         mlt_field field = mlt_field_init( );
  43         mlt_properties field_properties = mlt_field_properties( field );
  44         mlt_multitrack multitrack = mlt_field_multitrack( field );
  45
  46         // We need to track the number of registered filters
  47         mlt_properties_set_int( field_properties, "registered", 0 );
  48
  49     // Parse
  50     producer = parse_westley( filename );
  51
  52     // TODO
  53
  54         // Connect producer to playlist
  55         if ( producer != NULL )
  56                 mlt_playlist_append( playlist, producer );
  57
  58         // We must have a producer at this point
  59         if ( mlt_playlist_count( playlist ) > 0 )
  60         {
  61                 // Connect multitrack to producer
  62                 mlt_multitrack_connect( multitrack, mlt_playlist_producer( playlist ), track );
  63         }
  64
  65         mlt_tractor tractor = mlt_field_tractor( field );
  66         mlt_producer prod = mlt_tractor_producer( tractor );
  67         mlt_properties props = mlt_tractor_properties( tractor );
  68         mlt_properties_set( mlt_producer_properties( prod ), "resource", filename );
  69         mlt_properties_set_data( props, "multitrack", multitrack, 0, NULL, NULL );
  70         mlt_properties_set_data( props, "field", field, 0, NULL, NULL );
  71         mlt_properties_set_data( props, "group", group, 0, NULL, NULL );
  72         mlt_properties_set_position( props, "length", mlt_producer_get_out( mlt_multitrack_producer( multitrack ) ) + 1 );
  73         mlt_producer_set_in_and_out( prod, 0, mlt_producer_get_out( mlt_multitrack_producer( multitrack ) ) );
  74         mlt_properties_set_double( props, "fps", mlt_producer_get_fps( mlt_multitrack_producer( multitrack ) ) );
  75
  76         return mlt_tractor_producer( tractor );
  77 }
  78