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( );