5 #include <framework/mlt.h>
9 mlt_producer create_producer( char *file )
11 mlt_producer result = NULL;
13 // 1st Line preferences
14 if ( strstr( file, ".inigo" ) )
16 char *args[ 2 ] = { file, NULL };
17 result = mlt_factory_producer( "inigo", args );
19 else if ( strstr( file, ".mpg" ) )
20 result = mlt_factory_producer( "mcmpeg", file );
21 else if ( strstr( file, ".mpeg" ) )
22 result = mlt_factory_producer( "mcmpeg", file );
23 else if ( strstr( file, ".dv" ) )
24 result = mlt_factory_producer( "mcdv", file );
25 else if ( strstr( file, ".dif" ) )
26 result = mlt_factory_producer( "mcdv", file );
27 else if ( strstr( file, ".jpg" ) )
28 result = mlt_factory_producer( "pixbuf", file );
29 else if ( strstr( file, ".JPG" ) )
30 result = mlt_factory_producer( "pixbuf", file );
31 else if ( strstr( file, ".jpeg" ) )
32 result = mlt_factory_producer( "pixbuf", file );
33 else if ( strstr( file, ".png" ) )
34 result = mlt_factory_producer( "pixbuf", file );
37 if ( result == NULL && strstr( file, ".dv" ) )
38 result = mlt_factory_producer( "libdv", file );
39 else if ( result == NULL && strstr( file, ".dif" ) )
40 result = mlt_factory_producer( "libdv", file );
45 void transport_action( mlt_producer producer, char *value )
47 mlt_properties properties = mlt_producer_properties( producer );
52 mlt_properties_set_int( properties, "done", 1 );
55 mlt_producer_set_speed( producer, 1 );
56 mlt_producer_seek( producer, 0 );
59 mlt_producer_set_speed( producer, -5 );
62 mlt_producer_set_speed( producer, -2.5 );
65 mlt_producer_set_speed( producer, -1 );
68 mlt_producer_set_speed( producer, -0.5 );
71 mlt_producer_set_speed( producer, 0 );
74 mlt_producer_set_speed( producer, 0.5 );
77 mlt_producer_set_speed( producer, 1 );
80 mlt_producer_set_speed( producer, 2.5 );
83 mlt_producer_set_speed( producer, 5 );
88 mlt_consumer create_consumer( char *id, mlt_producer producer )
90 char *arg = strchr( id, ':' );
93 mlt_consumer consumer = mlt_factory_consumer( id, arg );
94 if ( consumer != NULL )
96 mlt_properties properties = mlt_consumer_properties( consumer );
97 mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
98 mlt_properties_set_data( properties, "transport_producer", producer, 0, NULL, NULL );
103 void track_service( mlt_field field, void *service, mlt_destructor destructor )
105 mlt_properties properties = mlt_field_properties( field );
106 int registered = mlt_properties_get_int( properties, "registered" );
107 char *key = mlt_properties_get( properties, "registered" );
108 mlt_properties_set_data( properties, key, service, 0, destructor, NULL );
109 mlt_properties_set_int( properties, "registered", ++ registered );
112 void set_properties( mlt_service service, char *namevalue )
114 mlt_properties properties = mlt_service_properties( service );
115 mlt_properties_parse( properties, namevalue );
118 void transport( mlt_producer producer )
120 mlt_properties properties = mlt_producer_properties( producer );
123 fprintf( stderr, "Press 'q' to continue\n" );
124 while( mlt_properties_get_int( properties, "done" ) == 0 )
126 int value = term_read( );
128 transport_action( producer, ( char * )&value );
132 int main( int argc, char **argv )
135 mlt_service service = NULL;
136 mlt_consumer consumer = NULL;
137 mlt_producer producer = NULL;
138 mlt_playlist playlist = NULL;
140 // Construct the factory
141 mlt_factory_init( getenv( "MLT_REPOSITORY" ) );
144 playlist = mlt_playlist_init( );
146 // Parse the arguments
147 for ( i = 1; i < argc; i ++ )
149 if ( !strcmp( argv[ i ], "-consumer" ) )
151 consumer = create_consumer( argv[ ++ i ], mlt_playlist_producer( playlist ) );
152 if ( consumer != NULL )
153 service = mlt_consumer_service( consumer );
155 else if ( !strstr( argv[ i ], "=" ) )
157 if ( producer != NULL )
158 mlt_playlist_append( playlist, producer );
159 producer = create_producer( argv[ i ] );
160 if ( producer != NULL )
161 service = mlt_producer_service( producer );
165 set_properties( service, argv[ i ] );
169 // If we have no consumer, default to sdl
170 if ( consumer == NULL )
171 consumer = create_consumer( "sdl", mlt_playlist_producer( playlist ) );
173 // Connect producer to playlist
174 if ( producer != NULL )
175 mlt_playlist_append( playlist, producer );
177 // Connect consumer to playlist
178 mlt_consumer_connect( consumer, mlt_playlist_service( playlist ) );
180 // Transport functionality
181 transport( mlt_playlist_producer( playlist ) );
183 // Close the services
184 mlt_consumer_close( consumer );
185 mlt_playlist_close( playlist );
188 mlt_factory_close( );