5 #include <framework/mlt.h>
7 mlt_producer create_producer( char *file )
9 mlt_producer result = NULL;
11 // 1st Line preferences
12 if ( strstr( file, ".mpg" ) )
13 result = mlt_factory_producer( "mcmpeg", file );
14 else if ( strstr( file, ".mpeg" ) )
15 result = mlt_factory_producer( "mcmpeg", file );
16 else if ( strstr( file, ".dv" ) )
17 result = mlt_factory_producer( "mcdv", file );
18 else if ( strstr( file, ".dif" ) )
19 result = mlt_factory_producer( "mcdv", file );
20 else if ( strstr( file, ".jpg" ) )
21 result = mlt_factory_producer( "pixbuf", file );
22 else if ( strstr( file, ".png" ) )
23 result = mlt_factory_producer( "pixbuf", file );
26 if ( result == NULL && strstr( file, ".dv" ) )
27 result = mlt_factory_producer( "libdv", file );
28 else if ( result == NULL && strstr( file, ".dif" ) )
29 result = mlt_factory_producer( "libdv", file );
34 mlt_consumer create_consumer( char *id )
36 char *arg = strchr( id, ':' );
39 return mlt_factory_consumer( id, arg );
42 void track_service( mlt_field field, void *service, mlt_destructor destructor )
44 mlt_properties properties = mlt_field_properties( field );
45 int registered = mlt_properties_get_int( properties, "registered" );
46 char *key = mlt_properties_get( properties, "registered" );
47 mlt_properties_set_data( properties, key, service, 0, destructor, NULL );
48 mlt_properties_set_int( properties, "registered", ++ registered );
51 mlt_filter create_filter( mlt_field field, char *id, int track )
53 char *arg = strchr( id, ':' );
56 mlt_filter filter = mlt_factory_filter( id, arg );
59 mlt_field_plant_filter( field, filter, track );
60 track_service( field, filter, ( mlt_destructor )mlt_filter_close );
65 void set_properties( mlt_service service, char *namevalue )
67 mlt_properties properties = mlt_service_properties( service );
68 mlt_properties_parse( properties, namevalue );
71 void transport( mlt_producer producer )
74 fprintf( stderr, "Press return to continue\n" );
75 fgets( temp, 132, stdin );
78 int main( int argc, char **argv )
81 mlt_service service = NULL;
82 mlt_consumer consumer = NULL;
83 mlt_multitrack multitrack = NULL;
84 mlt_tractor tractor = NULL;
85 mlt_producer producer = NULL;
86 mlt_playlist playlist = NULL;
87 mlt_field field = NULL;
89 // Construct the factory
90 mlt_factory_init( getenv( "MLT_REPOSITORY" ) );
93 playlist = mlt_playlist_init( );
94 multitrack = mlt_multitrack_init( );
95 tractor = mlt_tractor_init( );
97 // Field must be connected on construction
98 field = mlt_field_init( mlt_multitrack_service( multitrack ) );
99 mlt_properties properties = mlt_field_properties( field );
100 mlt_properties_set_int( properties, "registered", 0 );
102 // Parse the arguments
103 for ( i = 1; i < argc; i ++ )
105 if ( !strcmp( argv[ i ], "-consumer" ) )
107 consumer = create_consumer( argv[ ++ i ] );
108 if ( consumer != NULL )
109 service = mlt_consumer_service( consumer );
111 else if ( !strcmp( argv[ i ], "-filter" ) )
113 mlt_filter filter = create_filter( field, argv[ ++ i ], 0 );
114 if ( filter != NULL )
115 service = mlt_filter_service( filter );
117 else if ( !strstr( argv[ i ], "=" ) )
119 if ( producer != NULL )
120 mlt_playlist_append( playlist, producer );
121 producer = create_producer( argv[ i ] );
122 if ( producer != NULL )
123 service = mlt_producer_service( producer );
127 set_properties( service, argv[ i ] );
131 // If we have no consumer, default to sdl
132 if ( consumer == NULL )
133 consumer= mlt_factory_consumer( "sdl", NULL );
135 // Connect producer to playlist
136 mlt_playlist_append( playlist, producer );
138 // Connect multitrack to producer
139 mlt_multitrack_connect( multitrack, mlt_playlist_producer( playlist ), 0 );
141 // Connect tractor to field
142 mlt_tractor_connect( tractor, mlt_field_service( field ) );
144 // Connect consumer to tractor
145 mlt_consumer_connect( consumer, mlt_tractor_service( tractor ) );
147 // Transport functionality
148 transport( producer );
150 // Close the services
151 mlt_consumer_close( consumer );
152 mlt_tractor_close( tractor );
153 mlt_field_close( field );
154 mlt_multitrack_close( multitrack );
155 mlt_producer_close( producer );
158 mlt_factory_close( );