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
);
51 mlt_properties_set_int( properties
, "done", 1 );
54 mlt_producer_set_speed( producer
, 1 );
55 mlt_producer_seek( producer
, 0 );
58 mlt_producer_set_speed( producer
, -5 );
61 mlt_producer_set_speed( producer
, -2.5 );
64 mlt_producer_set_speed( producer
, -1 );
67 mlt_producer_set_speed( producer
, -0.5 );
70 mlt_producer_set_speed( producer
, 0 );
73 mlt_producer_set_speed( producer
, 0.5 );
76 mlt_producer_set_speed( producer
, 1 );
79 mlt_producer_set_speed( producer
, 2.5 );
82 mlt_producer_set_speed( producer
, 5 );
87 mlt_consumer
create_consumer( char *id
, mlt_producer producer
)
89 char *arg
= strchr( id
, ':' );
92 mlt_consumer consumer
= mlt_factory_consumer( id
, arg
);
93 if ( consumer
!= NULL
)
95 mlt_properties properties
= mlt_consumer_properties( consumer
);
96 mlt_properties_set_data( properties
, "transport_callback", transport_action
, 0, NULL
, NULL
);
97 mlt_properties_set_data( properties
, "transport_producer", producer
, 0, NULL
, NULL
);
102 void track_service( mlt_field field
, void *service
, mlt_destructor destructor
)
104 mlt_properties properties
= mlt_field_properties( field
);
105 int registered
= mlt_properties_get_int( properties
, "registered" );
106 char *key
= mlt_properties_get( properties
, "registered" );
107 mlt_properties_set_data( properties
, key
, service
, 0, destructor
, NULL
);
108 mlt_properties_set_int( properties
, "registered", ++ registered
);
111 mlt_filter
create_filter( mlt_field field
, char *id
, int track
)
113 char *arg
= strchr( id
, ':' );
116 mlt_filter filter
= mlt_factory_filter( id
, arg
);
117 if ( filter
!= NULL
)
119 mlt_field_plant_filter( field
, filter
, track
);
120 track_service( field
, filter
, ( mlt_destructor
)mlt_filter_close
);
125 void set_properties( mlt_service service
, char *namevalue
)
127 mlt_properties properties
= mlt_service_properties( service
);
128 mlt_properties_parse( properties
, namevalue
);
131 void transport( mlt_producer producer
)
133 mlt_properties properties
= mlt_producer_properties( producer
);
136 fprintf( stderr
, "Press 'q' to continue\n" );
137 while( mlt_properties_get_int( properties
, "done" ) == 0 )
139 int value
= term_read( );
141 transport_action( producer
, ( char * )&value
);
145 int main( int argc
, char **argv
)
148 mlt_service service
= NULL
;
149 mlt_consumer consumer
= NULL
;
150 mlt_multitrack multitrack
= NULL
;
151 mlt_producer producer
= NULL
;
152 mlt_playlist playlist
= NULL
;
153 mlt_field field
= NULL
;
155 // Construct the factory
156 mlt_factory_init( getenv( "MLT_REPOSITORY" ) );
159 playlist
= mlt_playlist_init( );
161 // Construct the field
162 field
= mlt_field_init( );
164 // We need to track the number of registered filters
165 mlt_properties properties
= mlt_field_properties( field
);
166 mlt_properties_set_int( properties
, "registered", 0 );
168 // Get the multitrack from the field
169 multitrack
= mlt_field_multitrack( field
);
171 // Parse the arguments
172 for ( i
= 1; i
< argc
; i
++ )
174 if ( !strcmp( argv
[ i
], "-consumer" ) )
176 consumer
= create_consumer( argv
[ ++ i
], mlt_multitrack_producer( multitrack
) );
177 if ( consumer
!= NULL
)
178 service
= mlt_consumer_service( consumer
);
180 else if ( !strcmp( argv
[ i
], "-filter" ) )
182 mlt_filter filter
= create_filter( field
, argv
[ ++ i
], 0 );
183 if ( filter
!= NULL
)
184 service
= mlt_filter_service( filter
);
186 else if ( !strstr( argv
[ i
], "=" ) )
188 if ( producer
!= NULL
)
189 mlt_playlist_append( playlist
, producer
);
190 producer
= create_producer( argv
[ i
] );
191 if ( producer
!= NULL
)
192 service
= mlt_producer_service( producer
);
196 set_properties( service
, argv
[ i
] );
200 // We must have a producer at this point
201 if ( producer
!= NULL
)
203 // Connect producer to playlist
204 mlt_playlist_append( playlist
, producer
);
206 // If we have no consumer, default to sdl
207 if ( consumer
== NULL
)
208 consumer
= create_consumer( "sdl", mlt_multitrack_producer( multitrack
) );
210 // Connect multitrack to producer
211 mlt_multitrack_connect( multitrack
, mlt_playlist_producer( playlist
), 0 );
213 // Connect consumer to tractor
214 mlt_consumer_connect( consumer
, mlt_field_service( field
) );
216 // Transport functionality
217 transport( mlt_multitrack_producer( multitrack
) );
219 // Close the services
220 mlt_consumer_close( consumer
);
221 mlt_producer_close( producer
);
225 fprintf( stderr
, "Usage: inigo [ -consumer id[:arg] [ name=value ]* ]\n"
226 " [ -filter id[:arg] [ name=value ] * ]\n"
227 " [ producer [ name=value ] * ]+\n" );
231 mlt_field_close( field
);
234 mlt_factory_close( );