research.m1stereo.tv/gitweb/ - melted/blob - src/tests/pango.c

   1
   2 #include <framework/mlt.h>
   3
   4 #include <stdio.h>
   5
   6 int main( int argc, char **argv )
   7 {
   8         char temp[ 132 ];
   9         char *file1 = NULL;
  10         char *text = NULL;
  11
  12         mlt_factory_init( "../modules" );
  13
  14         if ( argc < 3 )
  15         {
  16                 fprintf( stderr, "usage: pango file.mpeg  text_to_display\n" );
  17                 return 1;
  18         }
  19         else
  20         {
  21                 file1 = argv[ 1 ];
  22                 text = argv[ 2 ];
  23         }
  24
  25         // Start the consumer...
  26         mlt_consumer consumer = mlt_factory_consumer( "bluefish", "NTSC" );
  27
  28         // Create the producer(s)
  29         mlt_playlist pl1 = mlt_playlist_init();
  30         mlt_producer dv1 = mlt_factory_producer( "mcmpeg", file1 );
  31         mlt_playlist_append( pl1, dv1 );
  32
  33         mlt_playlist pl2 = mlt_playlist_init();
  34         mlt_producer title = mlt_factory_producer( "pango", NULL ); //"<span font_desc=\"Sans Bold 36\">Mutton <span font_desc=\"Luxi Serif Bold Oblique 36\">Lettuce</span> Tomato</span>" );
  35         mlt_playlist_append( pl2, title );
  36         mlt_properties_set( mlt_producer_properties( title ), "font", "Sans Bold 36" );
  37         mlt_properties_set( mlt_producer_properties( title ), "text", text );
  38         mlt_properties_set_int( mlt_producer_properties( title ), "bgcolor", 0x0000007f );
  39         mlt_properties_set_int( mlt_producer_properties( title ), "pad", 8 );
  40         mlt_properties_set_int( mlt_producer_properties( title ), "align", 1 );
  41         mlt_properties_set_int( mlt_producer_properties( title ), "x", 200 );
  42         mlt_properties_set_int( mlt_producer_properties( title ), "y", 40 );
  43         mlt_properties_set_double( mlt_producer_properties( title ), "mix", 0.8 );
  44
  45         // Register producers(s) with a multitrack object
  46         mlt_multitrack multitrack = mlt_multitrack_init( );
  47         mlt_multitrack_connect( multitrack, mlt_playlist_producer( pl1 ), 0 );
  48         mlt_multitrack_connect( multitrack, mlt_playlist_producer( pl2 ), 1 );
  49
  50         // Define a transition
  51         mlt_transition transition = mlt_factory_transition( "composite", NULL );
  52         mlt_transition_connect( transition, mlt_multitrack_service( multitrack ), 0, 1 );
  53         mlt_transition_set_in_and_out( transition, 0.0, 9999.0 );
  54
  55         // Buy a tractor and connect it to the filter
  56         mlt_tractor tractor = mlt_tractor_init( );
  57         mlt_tractor_connect( tractor, mlt_transition_service( transition ) );
  58
  59         // Connect the tractor to the consumer
  60         mlt_consumer_connect( consumer, mlt_tractor_service( tractor ) );
  61
  62         // Do stuff until we're told otherwise...
  63         fprintf( stderr, "Press return to continue\n" );
  64         fgets( temp, 132, stdin );
  65
  66         // Close everything...
  67         mlt_consumer_close( consumer );
  68         mlt_tractor_close( tractor );
  69         mlt_transition_close( transition );
  70         mlt_multitrack_close( multitrack );
  71         mlt_playlist_close( pl1 );
  72         mlt_playlist_close( pl2 );
  73         mlt_producer_close( dv1 );
  74         mlt_producer_close( title );
  75
  76         return 0;
  77 }