87ab12dfcb0eb18534014f455df47f09e4a6b330
[melted] / src / modules / westley / consumer_westley.c
1 /*
2 * consumer_westley.c -- a libxml2 serialiser of mlt service networks
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
4 * Author: Dan Dennedy <dan@dennedy.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21 #include "consumer_westley.h"
22 #include <framework/mlt.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <pthread.h>
27 #include <unistd.h>
28 #include <libxml/tree.h>
29
30 #define ID_SIZE 128
31
32 // This maintains counters for adding ids to elements
33 struct serialise_context_s
34 {
35 mlt_properties id_map;
36 int producer_count;
37 int multitrack_count;
38 int playlist_count;
39 int tractor_count;
40 int filter_count;
41 int transition_count;
42 int pass;
43 mlt_properties hide_map;
44 char *root;
45 char *store;
46 };
47 typedef struct serialise_context_s* serialise_context;
48
49 /** Forward references to static functions.
50 */
51
52 static int consumer_start( mlt_consumer parent );
53 static int consumer_is_stopped( mlt_consumer this );
54 static void serialise_service( serialise_context context, mlt_service service, xmlNode *node );
55
56 typedef enum
57 {
58 westley_existing,
59 westley_producer,
60 westley_multitrack,
61 westley_playlist,
62 westley_tractor,
63 westley_filter,
64 westley_transition
65 }
66 westley_type;
67
68 /** Create or retrieve an id associated to this service.
69 */
70
71 static char *westley_get_id( serialise_context context, mlt_service service, westley_type type )
72 {
73 char *id = NULL;
74 int i = 0;
75 mlt_properties map = context->id_map;
76
77 // Search the map for the service
78 for ( i = 0; i < mlt_properties_count( map ); i ++ )
79 if ( mlt_properties_get_data_at( map, i, NULL ) == service )
80 break;
81
82 // If the service is not in the map, and the type indicates a new id is needed...
83 if ( i >= mlt_properties_count( map ) && type != westley_existing )
84 {
85 // Attempt to reuse existing id
86 id = mlt_properties_get( MLT_SERVICE_PROPERTIES( service ), "id" );
87
88 // If no id, or the id is used in the map (for another service), then
89 // create a new one.
90 if ( id == NULL || mlt_properties_get_data( map, id, NULL ) != NULL )
91 {
92 char temp[ ID_SIZE ];
93 do
94 {
95 switch( type )
96 {
97 case westley_producer:
98 sprintf( temp, "producer%d", context->producer_count ++ );
99 break;
100 case westley_multitrack:
101 sprintf( temp, "multitrack%d", context->multitrack_count ++ );
102 break;
103 case westley_playlist:
104 sprintf( temp, "playlist%d", context->playlist_count ++ );
105 break;
106 case westley_tractor:
107 sprintf( temp, "tractor%d", context->tractor_count ++ );
108 break;
109 case westley_filter:
110 sprintf( temp, "filter%d", context->filter_count ++ );
111 break;
112 case westley_transition:
113 sprintf( temp, "transition%d", context->transition_count ++ );
114 break;
115 case westley_existing:
116 // Never gets here
117 break;
118 }
119 }
120 while( mlt_properties_get_data( map, temp, NULL ) != NULL );
121
122 // Set the data at the generated name
123 mlt_properties_set_data( map, temp, service, 0, NULL, NULL );
124
125 // Get the pointer to the name (i is the end of the list)
126 id = mlt_properties_get_name( map, i );
127 }
128 else
129 {
130 // Store the existing id in the map
131 mlt_properties_set_data( map, id, service, 0, NULL, NULL );
132 }
133 }
134 else if ( type == westley_existing )
135 {
136 id = mlt_properties_get_name( map, i );
137 }
138
139 return id;
140 }
141
142 /** This is what will be called by the factory - anything can be passed in
143 via the argument, but keep it simple.
144 */
145
146 mlt_consumer consumer_westley_init( char *arg )
147 {
148 // Create the consumer object
149 mlt_consumer this = calloc( sizeof( struct mlt_consumer_s ), 1 );
150
151 // If no malloc'd and consumer init ok
152 if ( this != NULL && mlt_consumer_init( this, NULL ) == 0 )
153 {
154 // Allow thread to be started/stopped
155 this->start = consumer_start;
156 this->is_stopped = consumer_is_stopped;
157
158 mlt_properties_set( MLT_CONSUMER_PROPERTIES( this ), "resource", arg );
159
160 // Return the consumer produced
161 return this;
162 }
163
164 // malloc or consumer init failed
165 free( this );
166
167 // Indicate failure
168 return NULL;
169 }
170
171 static void serialise_properties( serialise_context context, mlt_properties properties, xmlNode *node )
172 {
173 int i;
174 xmlNode *p;
175
176 // Enumerate the properties
177 for ( i = 0; i < mlt_properties_count( properties ); i++ )
178 {
179 char *name = mlt_properties_get_name( properties, i );
180 if ( name != NULL &&
181 name[ 0 ] != '_' &&
182 mlt_properties_get_value( properties, i ) != NULL &&
183 strcmp( name, "westley" ) != 0 &&
184 strcmp( name, "in" ) != 0 &&
185 strcmp( name, "out" ) != 0 &&
186 strcmp( name, "id" ) != 0 &&
187 strcmp( name, "root" ) != 0 &&
188 strcmp( name, "width" ) != 0 &&
189 strcmp( name, "height" ) != 0 )
190 {
191 char *value = mlt_properties_get_value( properties, i );
192 p = xmlNewChild( node, NULL, "property", NULL );
193 xmlNewProp( p, "name", mlt_properties_get_name( properties, i ) );
194 if ( strcmp( context->root, "" ) && !strncmp( value, context->root, strlen( context->root ) ) )
195 xmlNodeSetContent( p, value + strlen( context->root ) + 1 );
196 else
197 xmlNodeSetContent( p, value );
198 }
199 }
200 }
201
202 static void serialise_store_properties( serialise_context context, mlt_properties properties, xmlNode *node, char *store )
203 {
204 int i;
205 xmlNode *p;
206
207 // Enumerate the properties
208 for ( i = 0; store != NULL && i < mlt_properties_count( properties ); i++ )
209 {
210 char *name = mlt_properties_get_name( properties, i );
211 if ( !strncmp( name, store, strlen( store ) ) )
212 {
213 char *value = mlt_properties_get_value( properties, i );
214 if ( value != NULL )
215 {
216 p = xmlNewChild( node, NULL, "property", NULL );
217 xmlNewProp( p, "name", mlt_properties_get_name( properties, i ) );
218 if ( context->root != NULL && strcmp( context->root, "" ) && !strncmp( value, context->root, strlen( context->root ) ) )
219 xmlNodeSetContent( p, value + strlen( context->root ) + 1 );
220 else
221 xmlNodeSetContent( p, value );
222 }
223 }
224 }
225 }
226
227 static inline void serialise_service_filters( serialise_context context, mlt_service service, xmlNode *node )
228 {
229 int i;
230 xmlNode *p;
231 mlt_filter filter = NULL;
232
233 // Enumerate the filters
234 for ( i = 0; ( filter = mlt_producer_filter( MLT_PRODUCER( service ), i ) ) != NULL; i ++ )
235 {
236 mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
237 if ( mlt_properties_get_int( properties, "_fezzik" ) == 0 )
238 {
239 // Get a new id - if already allocated, do nothing
240 char *id = westley_get_id( context, MLT_FILTER_SERVICE( filter ), westley_filter );
241 if ( id != NULL )
242 {
243 int in = mlt_properties_get_position( properties, "in" );
244 int out = mlt_properties_get_position( properties, "out" );
245 p = xmlNewChild( node, NULL, "filter", NULL );
246 xmlNewProp( p, "id", id );
247 if ( in != 0 || out != 0 )
248 {
249 char temp[ 20 ];
250 sprintf( temp, "%d", in );
251 xmlNewProp( p, "in", temp );
252 sprintf( temp, "%d", out );
253 xmlNewProp( p, "out", temp );
254 }
255 serialise_properties( context, properties, p );
256 serialise_service_filters( context, MLT_FILTER_SERVICE( filter ), p );
257 }
258 }
259 }
260 }
261
262 static void serialise_producer( serialise_context context, mlt_service service, xmlNode *node )
263 {
264 xmlNode *child = node;
265 mlt_service parent = MLT_SERVICE( mlt_producer_cut_parent( MLT_PRODUCER( service ) ) );
266
267 if ( context->pass == 0 )
268 {
269 mlt_properties properties = MLT_SERVICE_PROPERTIES( parent );
270 // Get a new id - if already allocated, do nothing
271 char *id = westley_get_id( context, parent, westley_producer );
272 if ( id == NULL )
273 return;
274
275 child = xmlNewChild( node, NULL, "producer", NULL );
276
277 // Set the id
278 xmlNewProp( child, "id", id );
279 xmlNewProp( child, "in", mlt_properties_get( properties, "in" ) );
280 xmlNewProp( child, "out", mlt_properties_get( properties, "out" ) );
281 serialise_properties( context, properties, child );
282 serialise_service_filters( context, service, child );
283
284 // Add producer to the map
285 mlt_properties_set_int( context->hide_map, id, mlt_properties_get_int( properties, "hide" ) );
286 }
287 else
288 {
289 char *id = westley_get_id( context, parent, westley_existing );
290 mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
291 xmlNewProp( node, "parent", id );
292 xmlNewProp( node, "in", mlt_properties_get( properties, "in" ) );
293 xmlNewProp( node, "out", mlt_properties_get( properties, "out" ) );
294 }
295 }
296
297 static void serialise_tractor( serialise_context context, mlt_service service, xmlNode *node );
298
299 static void serialise_multitrack( serialise_context context, mlt_service service, xmlNode *node )
300 {
301 int i;
302
303 if ( context->pass == 0 )
304 {
305 // Iterate over the tracks to collect the producers
306 for ( i = 0; i < mlt_multitrack_count( MLT_MULTITRACK( service ) ); i++ )
307 {
308 mlt_producer producer = mlt_producer_cut_parent( mlt_multitrack_track( MLT_MULTITRACK( service ), i ) );
309 serialise_service( context, MLT_SERVICE( producer ), node );
310 }
311 }
312 else
313 {
314 // Get a new id - if already allocated, do nothing
315 char *id = westley_get_id( context, service, westley_multitrack );
316 if ( id == NULL )
317 return;
318
319 // Serialise the tracks
320 for ( i = 0; i < mlt_multitrack_count( MLT_MULTITRACK( service ) ); i++ )
321 {
322 xmlNode *track = xmlNewChild( node, NULL, "track", NULL );
323 int hide = 0;
324 mlt_producer producer = mlt_multitrack_track( MLT_MULTITRACK( service ), i );
325 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
326
327 mlt_service parent = MLT_SERVICE( mlt_producer_cut_parent( producer ) );
328
329 char *id = westley_get_id( context, MLT_SERVICE( parent ), westley_existing );
330 xmlNewProp( track, "producer", id );
331 if ( mlt_producer_is_cut( producer ) )
332 {
333 xmlNewProp( track, "in", mlt_properties_get( properties, "in" ) );
334 xmlNewProp( track, "out", mlt_properties_get( properties, "out" ) );
335 serialise_store_properties( context, MLT_PRODUCER_PROPERTIES( producer ), track, context->store );
336 serialise_store_properties( context, MLT_PRODUCER_PROPERTIES( producer ), track, "meta." );
337 serialise_service_filters( context, MLT_PRODUCER_SERVICE( producer ), track );
338 }
339
340 hide = mlt_properties_get_int( context->hide_map, id );
341 if ( hide )
342 xmlNewProp( track, "hide", hide == 1 ? "video" : ( hide == 2 ? "audio" : "both" ) );
343 }
344 serialise_service_filters( context, service, node );
345 }
346 }
347
348 static void serialise_playlist( serialise_context context, mlt_service service, xmlNode *node )
349 {
350 int i;
351 xmlNode *child = node;
352 mlt_playlist_clip_info info;
353 mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
354
355 if ( context->pass == 0 )
356 {
357 // Get a new id - if already allocated, do nothing
358 char *id = westley_get_id( context, service, westley_playlist );
359 if ( id == NULL )
360 return;
361
362 // Iterate over the playlist entries to collect the producers
363 for ( i = 0; i < mlt_playlist_count( MLT_PLAYLIST( service ) ); i++ )
364 {
365 if ( ! mlt_playlist_get_clip_info( MLT_PLAYLIST( service ), &info, i ) )
366 {
367 if ( info.producer != NULL )
368 {
369 mlt_producer producer = mlt_producer_cut_parent( info.producer );
370 char *service_s = mlt_properties_get( MLT_PRODUCER_PROPERTIES( producer ), "mlt_service" );
371 char *resource_s = mlt_properties_get( MLT_PRODUCER_PROPERTIES( producer ), "resource" );
372 if ( resource_s != NULL && !strcmp( resource_s, "<playlist>" ) )
373 serialise_playlist( context, MLT_SERVICE( producer ), node );
374 else if ( service_s != NULL && strcmp( service_s, "blank" ) != 0 )
375 serialise_service( context, MLT_SERVICE( producer ), node );
376 }
377 }
378 }
379
380 child = xmlNewChild( node, NULL, "playlist", NULL );
381
382 // Set the id
383 xmlNewProp( child, "id", id );
384
385 // Store application specific properties
386 serialise_store_properties( context, properties, child, context->store );
387 serialise_store_properties( context, properties, child, "meta." );
388
389 // Add producer to the map
390 mlt_properties_set_int( context->hide_map, id, mlt_properties_get_int( properties, "hide" ) );
391
392 // Iterate over the playlist entries
393 for ( i = 0; i < mlt_playlist_count( MLT_PLAYLIST( service ) ); i++ )
394 {
395 if ( ! mlt_playlist_get_clip_info( MLT_PLAYLIST( service ), &info, i ) )
396 {
397 mlt_producer producer = mlt_producer_cut_parent( info.producer );
398 char *service_s = mlt_properties_get( MLT_PRODUCER_PROPERTIES( producer ), "mlt_service" );
399 if ( service_s != NULL && strcmp( service_s, "blank" ) == 0 )
400 {
401 char length[ 20 ];
402 length[ 19 ] = '\0';
403 xmlNode *entry = xmlNewChild( child, NULL, "blank", NULL );
404 snprintf( length, 19, "%d", info.frame_count );
405 xmlNewProp( entry, "length", length );
406 }
407 else
408 {
409 char temp[ 20 ];
410 xmlNode *entry = xmlNewChild( child, NULL, "entry", NULL );
411 id = westley_get_id( context, MLT_SERVICE( producer ), westley_existing );
412 xmlNewProp( entry, "producer", id );
413 sprintf( temp, "%d", info.frame_in );
414 xmlNewProp( entry, "in", temp );
415 sprintf( temp, "%d", info.frame_out );
416 xmlNewProp( entry, "out", temp );
417 if ( info.repeat > 1 )
418 {
419 sprintf( temp, "%d", info.repeat );
420 xmlNewProp( entry, "repeat", temp );
421 }
422 if ( mlt_producer_is_cut( info.cut ) )
423 {
424 serialise_store_properties( context, MLT_PRODUCER_PROPERTIES( info.cut ), entry, context->store );
425 serialise_store_properties( context, MLT_PRODUCER_PROPERTIES( info.cut ), entry, "meta." );
426 serialise_service_filters( context, MLT_PRODUCER_SERVICE( info.cut ), entry );
427 }
428 }
429 }
430 }
431
432 serialise_service_filters( context, service, child );
433 }
434 else if ( strcmp( (const char*) node->name, "tractor" ) != 0 )
435 {
436 char *id = westley_get_id( context, service, westley_existing );
437 xmlNewProp( node, "producer", id );
438 }
439 }
440
441 static void serialise_tractor( serialise_context context, mlt_service service, xmlNode *node )
442 {
443 xmlNode *child = node;
444 mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
445
446 if ( context->pass == 0 )
447 {
448 // Recurse on connected producer
449 serialise_service( context, mlt_service_producer( service ), node );
450 }
451 else
452 {
453 // Get a new id - if already allocated, do nothing
454 char *id = westley_get_id( context, service, westley_tractor );
455 if ( id == NULL )
456 return;
457
458 child = xmlNewChild( node, NULL, "tractor", NULL );
459
460 // Set the id
461 xmlNewProp( child, "id", id );
462 xmlNewProp( child, "in", mlt_properties_get( properties, "in" ) );
463 xmlNewProp( child, "out", mlt_properties_get( properties, "out" ) );
464
465 // Store application specific properties
466 serialise_store_properties( context, MLT_SERVICE_PROPERTIES( service ), child, context->store );
467 serialise_store_properties( context, MLT_SERVICE_PROPERTIES( service ), child, "meta." );
468
469 // Recurse on connected producer
470 serialise_service( context, mlt_service_producer( service ), child );
471 serialise_service_filters( context, service, child );
472 }
473 }
474
475 static void serialise_filter( serialise_context context, mlt_service service, xmlNode *node )
476 {
477 xmlNode *child = node;
478 mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
479
480 // Recurse on connected producer
481 serialise_service( context, mlt_service_producer( service ), node );
482
483 if ( context->pass == 1 )
484 {
485 // Get a new id - if already allocated, do nothing
486 char *id = westley_get_id( context, service, westley_filter );
487 if ( id == NULL )
488 return;
489
490 child = xmlNewChild( node, NULL, "filter", NULL );
491
492 // Set the id
493 xmlNewProp( child, "id", id );
494 xmlNewProp( child, "in", mlt_properties_get( properties, "in" ) );
495 xmlNewProp( child, "out", mlt_properties_get( properties, "out" ) );
496
497 serialise_properties( context, properties, child );
498 serialise_service_filters( context, service, child );
499 }
500 }
501
502 static void serialise_transition( serialise_context context, mlt_service service, xmlNode *node )
503 {
504 xmlNode *child = node;
505 mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
506
507 // Recurse on connected producer
508 serialise_service( context, MLT_SERVICE( MLT_TRANSITION( service )->producer ), node );
509
510 if ( context->pass == 1 )
511 {
512 // Get a new id - if already allocated, do nothing
513 char *id = westley_get_id( context, service, westley_transition );
514 if ( id == NULL )
515 return;
516
517 child = xmlNewChild( node, NULL, "transition", NULL );
518
519 // Set the id
520 xmlNewProp( child, "id", id );
521 xmlNewProp( child, "in", mlt_properties_get( properties, "in" ) );
522 xmlNewProp( child, "out", mlt_properties_get( properties, "out" ) );
523
524 serialise_properties( context, properties, child );
525 serialise_service_filters( context, service, child );
526 }
527 }
528
529 static void serialise_service( serialise_context context, mlt_service service, xmlNode *node )
530 {
531 // Iterate over consumer/producer connections
532 while ( service != NULL )
533 {
534 mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
535 char *mlt_type = mlt_properties_get( properties, "mlt_type" );
536
537 // Tell about the producer
538 if ( strcmp( mlt_type, "producer" ) == 0 )
539 {
540 char *mlt_service = mlt_properties_get( properties, "mlt_service" );
541 if ( mlt_properties_get( properties, "westley" ) == NULL && !strcmp( mlt_service, "tractor" ) )
542 {
543 context->pass = 0;
544 serialise_tractor( context, service, node );
545 context->pass = 1;
546 serialise_tractor( context, service, node );
547 context->pass = 0;
548 break;
549 }
550 else
551 {
552 serialise_producer( context, service, node );
553 }
554 if ( mlt_properties_get( properties, "westley" ) != NULL )
555 break;
556 }
557
558 // Tell about the framework container producers
559 else if ( strcmp( mlt_type, "mlt_producer" ) == 0 )
560 {
561 char *resource = mlt_properties_get( properties, "resource" );
562
563 // Recurse on multitrack's tracks
564 if ( strcmp( resource, "<multitrack>" ) == 0 )
565 {
566 serialise_multitrack( context, service, node );
567 break;
568 }
569
570 // Recurse on playlist's clips
571 else if ( strcmp( resource, "<playlist>" ) == 0 )
572 {
573 serialise_playlist( context, service, node );
574 }
575
576 // Recurse on tractor's producer
577 else if ( strcmp( resource, "<tractor>" ) == 0 )
578 {
579 context->pass = 0;
580 serialise_tractor( context, service, node );
581 context->pass = 1;
582 serialise_tractor( context, service, node );
583 context->pass = 0;
584 break;
585 }
586
587 // Treat it as a normal producer
588 else
589 {
590 serialise_producer( context, service, node );
591 }
592 }
593
594 // Tell about a filter
595 else if ( strcmp( mlt_type, "filter" ) == 0 )
596 {
597 serialise_filter( context, service, node );
598 break;
599 }
600
601 // Tell about a transition
602 else if ( strcmp( mlt_type, "transition" ) == 0 )
603 {
604 serialise_transition( context, service, node );
605 break;
606 }
607
608 // Get the next connected service
609 service = mlt_service_producer( service );
610 }
611 }
612
613 xmlDocPtr westley_make_doc( mlt_consumer consumer, mlt_service service )
614 {
615 mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
616 xmlDocPtr doc = xmlNewDoc( "1.0" );
617 xmlNodePtr root = xmlNewNode( NULL, "westley" );
618 struct serialise_context_s *context = calloc( 1, sizeof( struct serialise_context_s ) );
619
620 xmlDocSetRootElement( doc, root );
621
622 // If we have root, then deal with it now
623 if ( mlt_properties_get( properties, "root" ) != NULL )
624 {
625 xmlNewProp( root, "root", mlt_properties_get( properties, "root" ) );
626 context->root = strdup( mlt_properties_get( properties, "root" ) );
627 }
628 else
629 {
630 context->root = strdup( "" );
631 }
632
633 // Assign the additional 'storage' pattern for properties
634 context->store = mlt_properties_get( MLT_CONSUMER_PROPERTIES( consumer ), "store" );
635
636 // Assign a title property
637 if ( mlt_properties_get( properties, "title" ) != NULL )
638 xmlNewProp( root, "title", mlt_properties_get( properties, "title" ) );
639
640 // Construct the context maps
641 context->id_map = mlt_properties_new();
642 context->hide_map = mlt_properties_new();
643
644 // Ensure producer is a framework producer
645 mlt_properties_set( MLT_SERVICE_PROPERTIES( service ), "mlt_type", "mlt_producer" );
646
647 // In pass one, we serialise the end producers and playlists,
648 // adding them to a map keyed by address.
649 serialise_service( context, service, root );
650
651 // In pass two, we serialise the tractor and reference the
652 // producers and playlists
653 context->pass++;
654 serialise_service( context, service, root );
655
656 // Cleanup resource
657 mlt_properties_close( context->id_map );
658 mlt_properties_close( context->hide_map );
659 free( context->root );
660 free( context );
661
662 return doc;
663 }
664
665 static int consumer_start( mlt_consumer this )
666 {
667 xmlDocPtr doc = NULL;
668
669 // Get the producer service
670 mlt_service service = mlt_service_producer( MLT_CONSUMER_SERVICE( this ) );
671 if ( service != NULL )
672 {
673 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
674 char *resource = mlt_properties_get( properties, "resource" );
675
676 // Set the title if provided
677 if ( mlt_properties_get( properties, "title" ) )
678 mlt_properties_set( MLT_SERVICE_PROPERTIES( service ), "title", mlt_properties_get( properties, "title" ) );
679 else if ( mlt_properties_get( MLT_SERVICE_PROPERTIES( service ), "title" ) == NULL )
680 mlt_properties_set( MLT_SERVICE_PROPERTIES( service ), "title", "Anonymous Submission" );
681
682 // Check for a root on the consumer properties and pass to service
683 if ( mlt_properties_get( properties, "root" ) )
684 mlt_properties_set( MLT_SERVICE_PROPERTIES( service ), "root", mlt_properties_get( properties, "root" ) );
685
686 // Specify roots in other cases...
687 if ( resource != NULL && mlt_properties_get( properties, "root" ) == NULL )
688 {
689 // Get the current working directory
690 char *cwd = getcwd( NULL, 0 );
691 mlt_properties_set( MLT_SERVICE_PROPERTIES( service ), "root", cwd );
692 free( cwd );
693 }
694
695 // Make the document
696 doc = westley_make_doc( this, service );
697
698 // Handle the output
699 if ( resource == NULL || !strcmp( resource, "" ) )
700 {
701 xmlDocFormatDump( stdout, doc, 1 );
702 }
703 else if ( strchr( resource, '.' ) == NULL )
704 {
705 xmlChar *buffer = NULL;
706 int length = 0;
707 xmlDocDumpMemory( doc, &buffer, &length );
708 mlt_properties_set( properties, resource, buffer );
709 xmlFree( buffer );
710 }
711 else
712 {
713 xmlSaveFormatFile( resource, doc, 1 );
714 }
715
716 // Close the document
717 xmlFreeDoc( doc );
718 }
719
720 mlt_consumer_stop( this );
721
722 mlt_consumer_stopped( this );
723
724 return 0;
725 }
726
727 static int consumer_is_stopped( mlt_consumer this )
728 {
729 return 1;
730 }