research.m1stereo.tv/gitweb/ - melted/blob - src/tests/dissolve.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 *file2 = NULL;
  11
  12         mlt_factory_init( "../modules" );
  13
  14         if ( argc < 3 )
  15         {
  16                 fprintf( stderr, "usage: dissolve file1.mpeg file2.mpeg\n" );
  17                 return 1;
  18         }
  19         else
  20         {
  21                 file1 = argv[ 1 ];
  22                 file2 = argv[ 2 ];
  23         }
  24
  25         // Start the consumer...
  26         mlt_consumer consumer = mlt_factory_consumer( "sdl", "PAL" );
  27
  28         // Create the producer(s)
  29         mlt_producer dv1 = mlt_factory_producer( "mcmpeg", file1 );
  30         mlt_producer dv2 = mlt_factory_producer( "mcmpeg", file2 );
  31
  32         mlt_playlist playlist1 = mlt_playlist_init();
  33         mlt_playlist_append_io( playlist1, dv1, 0.0, 5.0 );
  34         mlt_playlist_blank( playlist1, 1.0 );
  35
  36         mlt_playlist playlist2 = mlt_playlist_init();
  37         mlt_playlist_blank( playlist2, 2.9 );
  38         mlt_playlist_append( playlist2, dv2 );
  39
  40         // Register producers(s) with a multitrack object
  41         mlt_multitrack multitrack = mlt_multitrack_init( );
  42         mlt_multitrack_connect( multitrack, mlt_playlist_producer( playlist1 ), 0 );
  43         mlt_multitrack_connect( multitrack, mlt_playlist_producer( playlist2 ), 1 );
  44
  45         // Define a transition
  46         mlt_transition transition = mlt_factory_transition( "luma", NULL );
  47         mlt_transition_connect( transition, mlt_multitrack_service( multitrack ), 0, 1 );
  48         mlt_transition_set_in_and_out( transition, 3.0, 5.0 );
  49
  50         // Buy a tractor and connect it to the filter
  51         mlt_tractor tractor = mlt_tractor_init( );
  52         mlt_tractor_connect( tractor, mlt_transition_service( transition ) );
  53
  54         // Connect the tractor to the consumer
  55         mlt_consumer_connect( consumer, mlt_tractor_service( tractor ) );
  56
  57         // Do stuff until we're told otherwise...
  58         fprintf( stderr, "Press return to continue\n" );
  59         fgets( temp, 132, stdin );
  60
  61         // Close everything...
  62         mlt_consumer_close( consumer );
  63         mlt_tractor_close( tractor );
  64         mlt_transition_close( transition );
  65         mlt_multitrack_close( multitrack );
  66         mlt_playlist_close( playlist1 );
  67         mlt_playlist_close( playlist2 );
  68         mlt_producer_close( dv1 );
  69         mlt_producer_close( dv2 );
  70
  71         return 0;
  72 }