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, ".mpg" ) )
15 result = mlt_factory_producer( "mcmpeg", file );
16 else if ( strstr( file, ".mpeg" ) )
17 result = mlt_factory_producer( "mcmpeg", file );
18 else if ( strstr( file, ".dv" ) )
19 result = mlt_factory_producer( "mcdv", file );
20 else if ( strstr( file, ".dif" ) )
21 result = mlt_factory_producer( "mcdv", file );
22 else if ( strstr( file, ".jpg" ) )
23 result = mlt_factory_producer( "pixbuf", file );
24 else if ( strstr( file, ".JPG" ) )
25 result = mlt_factory_producer( "pixbuf", file );
26 else if ( strstr( file, ".jpeg" ) )
27 result = mlt_factory_producer( "pixbuf", file );
28 else if ( strstr( file, ".png" ) )
29 result = mlt_factory_producer( "pixbuf", file );
32 if ( result == NULL && strstr( file, ".dv" ) )
33 result = mlt_factory_producer( "libdv", file );
34 else if ( result == NULL && strstr( file, ".dif" ) )
35 result = mlt_factory_producer( "libdv", file );
39 result = mlt_factory_producer( "ffmpeg", file );
44 void transport_action( mlt_producer producer, char *value )
46 mlt_properties properties = mlt_producer_properties( producer );
47 mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
49 if ( strlen( value ) == 1 )
54 mlt_properties_set_int( properties, "done", 1 );
57 mlt_producer_set_speed( producer, 1 );
58 mlt_producer_seek( producer, 0 );
61 mlt_producer_set_speed( producer, -10 );
64 mlt_producer_set_speed( producer, -5 );
67 mlt_producer_set_speed( producer, -2 );
70 mlt_producer_set_speed( producer, -1 );
73 mlt_producer_set_speed( producer, 0 );
76 mlt_producer_set_speed( producer, 1 );
79 mlt_producer_set_speed( producer, 2 );
82 mlt_producer_set_speed( producer, 5 );
85 mlt_producer_set_speed( producer, 10 );
88 if ( multitrack != NULL )
90 mlt_timecode time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
91 mlt_producer_seek( producer, time );
92 mlt_producer_prepare_next( producer );
96 if ( multitrack != NULL )
98 mlt_timecode time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
99 mlt_producer_seek( producer, time );
100 mlt_producer_prepare_next( producer );
104 if ( multitrack != NULL )
106 mlt_timecode time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
107 mlt_producer_seek( producer, time );
108 mlt_producer_prepare_next( producer );
115 mlt_consumer create_consumer( char *id, mlt_producer producer )
117 char *arg = strchr( id, ':' );
120 mlt_consumer consumer = mlt_factory_consumer( id, arg );
121 if ( consumer != NULL )
123 mlt_properties properties = mlt_consumer_properties( consumer );
124 mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
125 mlt_properties_set_data( properties, "transport_producer", producer, 0, NULL, NULL );
130 void track_service( mlt_field field, void *service, mlt_destructor destructor )
132 mlt_properties properties = mlt_field_properties( field );
133 int registered = mlt_properties_get_int( properties, "registered" );
134 char *key = mlt_properties_get( properties, "registered" );
135 mlt_properties_set_data( properties, key, service, 0, destructor, NULL );
136 mlt_properties_set_int( properties, "registered", ++ registered );
139 mlt_filter create_filter( mlt_field field, char *id, int track )
141 char *arg = strchr( id, ':' );
144 mlt_filter filter = mlt_factory_filter( id, arg );
145 if ( filter != NULL )
147 mlt_field_plant_filter( field, filter, track );
148 track_service( field, filter, ( mlt_destructor )mlt_filter_close );
153 void set_properties( mlt_properties properties, char *namevalue )
155 mlt_properties_parse( properties, namevalue );
158 void transport( mlt_producer producer )
160 mlt_properties properties = mlt_producer_properties( producer );
164 fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
165 fprintf( stderr, "|1=-10| |2= -5| |3= -2| |4= -1| |5= 0| |6= 1| |7= 2| |8= 5| |9= 10|\n" );
166 fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
168 fprintf( stderr, "+---------------------------------------------------------------------+\n" );
169 fprintf( stderr, "| j = previous, k = restart current, l = next |\n" );
170 fprintf( stderr, "| 0 = restart, q = quit |\n" );
171 fprintf( stderr, "+---------------------------------------------------------------------+\n" );
173 while( mlt_properties_get_int( properties, "done" ) == 0 )
175 int value = term_read( );
177 transport_action( producer, ( char * )&value );
181 int main( int argc, char **argv )
184 mlt_consumer consumer = NULL;
185 mlt_multitrack multitrack = NULL;
186 mlt_producer producer = NULL;
187 mlt_playlist playlist = NULL;
188 mlt_field field = NULL;
189 mlt_properties group = mlt_properties_new( );
190 mlt_properties properties = group;
192 // Construct the factory
193 mlt_factory_init( getenv( "MLT_REPOSITORY" ) );
196 playlist = mlt_playlist_init( );
198 // Construct the field
199 field = mlt_field_init( );
201 // We need to track the number of registered filters
202 mlt_properties field_properties = mlt_field_properties( field );
203 mlt_properties_set_int( field_properties, "registered", 0 );
205 // Get the multitrack from the field
206 multitrack = mlt_field_multitrack( field );
208 // Parse the arguments
209 for ( i = 1; i < argc; i ++ )
211 if ( !strcmp( argv[ i ], "-consumer" ) )
213 consumer = create_consumer( argv[ ++ i ], mlt_multitrack_producer( multitrack ) );
214 if ( consumer != NULL )
216 properties = mlt_consumer_properties( consumer );
217 mlt_properties_inherit( properties, group );
220 else if ( !strcmp( argv[ i ], "-group" ) )
222 if ( mlt_properties_count( group ) != 0 )
224 mlt_properties_close( group );
225 group = mlt_properties_new( );
230 else if ( !strcmp( argv[ i ], "-filter" ) )
232 mlt_filter filter = create_filter( field, argv[ ++ i ], 0 );
233 if ( filter != NULL )
235 properties = mlt_filter_properties( filter );
236 mlt_properties_inherit( properties, group );
239 else if ( !strstr( argv[ i ], "=" ) )
241 if ( producer != NULL )
242 mlt_playlist_append( playlist, producer );
243 producer = create_producer( argv[ i ] );
244 if ( producer != NULL )
246 properties = mlt_producer_properties( producer );
247 mlt_properties_inherit( properties, group );
252 set_properties( properties, argv[ i ] );
256 // We must have a producer at this point
257 if ( producer != NULL )
259 // If we have no consumer, default to sdl
260 if ( consumer == NULL )
262 consumer = create_consumer( "sdl", mlt_multitrack_producer( multitrack ) );
263 if ( consumer != NULL )
265 properties = mlt_consumer_properties( consumer );
266 mlt_properties_inherit( properties, group );
270 // Connect producer to playlist
271 mlt_playlist_append( playlist, producer );
273 // Connect multitrack to producer
274 mlt_multitrack_connect( multitrack, mlt_playlist_producer( playlist ), 0 );
276 // Connect consumer to tractor
277 mlt_consumer_connect( consumer, mlt_field_service( field ) );
279 // Transport functionality
280 transport( mlt_multitrack_producer( multitrack ) );
282 // Close the services
283 mlt_consumer_close( consumer );
284 mlt_producer_close( producer );
288 fprintf( stderr, "Usage: inigo [ -group [ name=value ]* ]\n"
289 " [ -consumer id[:arg] [ name=value ]* ]\n"
290 " [ -filter id[:arg] [ name=value ] * ]\n"
291 " [ producer [ name=value ] * ]+\n" );
295 mlt_field_close( field );
298 mlt_properties_close( group );
301 mlt_factory_close( );