2 * miracle_unit.c -- DV Transmission Unit Implementation
3 * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
4 * Author: Dan Dennedy <dan@dennedy.org>
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.
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.
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.
27 #include <sys/ioctl.h>
30 #include <sys/types.h>
40 #include "miracle_unit.h"
41 #include "miracle_log.h"
42 #include "miracle_local.h"
44 #include <framework/mlt.h>
46 /* Forward references */
47 static void miracle_unit_status_communicate( miracle_unit
);
49 /** Allocate a new DV transmission unit.
51 \return A new miracle_unit handle.
54 miracle_unit
miracle_unit_init( int index
, char *constructor
)
56 miracle_unit
this = NULL
;
57 mlt_consumer consumer
= NULL
;
59 char *id
= strdup( constructor
);
60 char *arg
= strchr( id
, ':' );
65 consumer
= mlt_factory_consumer( id
, arg
);
67 if ( consumer
!= NULL
)
69 mlt_playlist playlist
= mlt_playlist_init( );
70 this = calloc( sizeof( miracle_unit_t
), 1 );
71 this->properties
= mlt_properties_new( );
72 this->producers
= mlt_properties_new( );
73 mlt_properties_init( this->properties
, this );
74 mlt_properties_set_int( this->properties
, "unit", index
);
75 mlt_properties_set_int( this->properties
, "generation", 0 );
76 mlt_properties_set( this->properties
, "constructor", constructor
);
77 mlt_properties_set( this->properties
, "id", id
);
78 mlt_properties_set( this->properties
, "arg", arg
);
79 mlt_properties_set_data( this->properties
, "consumer", consumer
, 0, ( mlt_destructor
)mlt_consumer_close
, NULL
);
80 mlt_properties_set_data( this->properties
, "playlist", playlist
, 0, ( mlt_destructor
)mlt_playlist_close
, NULL
);
81 mlt_consumer_connect( consumer
, mlt_playlist_service( playlist
) );
87 /** Communicate the current status to all threads waiting on the notifier.
90 static void miracle_unit_status_communicate( miracle_unit unit
)
94 mlt_properties properties
= unit
->properties
;
95 char *root_dir
= mlt_properties_get( properties
, "root" );
96 valerie_notifier notifier
= mlt_properties_get_data( properties
, "notifier", NULL
);
97 valerie_status_t status
;
99 if ( root_dir
!= NULL
&& notifier
!= NULL
)
101 if ( miracle_unit_get_status( unit
, &status
) == 0 )
102 /* if ( !( ( status.status == unit_playing || status.status == unit_paused ) &&
103 strcmp( status.clip, "" ) &&
104 !strcmp( status.tail_clip, "" ) &&
105 status.position == 0 &&
107 status.out == 0 ) ) */
108 valerie_notifier_put( notifier
, &status
);
113 /** Set the notifier info
116 void miracle_unit_set_notifier( miracle_unit
this, valerie_notifier notifier
, char *root_dir
)
118 mlt_properties properties
= this->properties
;
119 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
120 mlt_properties playlist_properties
= mlt_playlist_properties( playlist
);
122 mlt_properties_set( properties
, "root", root_dir
);
123 mlt_properties_set_data( properties
, "notifier", notifier
, 0, NULL
, NULL
);
124 mlt_properties_set_data( playlist_properties
, "notifier_arg", this, 0, NULL
, NULL
);
125 mlt_properties_set_data( playlist_properties
, "notifier", miracle_unit_status_communicate
, 0, NULL
, NULL
);
127 miracle_unit_status_communicate( this );
130 static mlt_producer
create_producer( char *file
)
132 mlt_producer result
= NULL
;
134 // 1st Line preferences
135 if ( strstr( file
, ".inigo" ) )
136 result
= mlt_factory_producer( "inigo_file", file
);
137 else if ( strstr( file
, ".westley" ) )
138 result
= mlt_factory_producer( "westley", file
);
139 else if ( strstr( file
, ".mpg" ) )
140 result
= mlt_factory_producer( "mcmpeg", file
);
141 else if ( strstr( file
, ".mpeg" ) )
142 result
= mlt_factory_producer( "mcmpeg", file
);
143 else if ( strstr( file
, ".dv" ) )
144 result
= mlt_factory_producer( "mcdv", file
);
145 else if ( strstr( file
, ".dif" ) )
146 result
= mlt_factory_producer( "mcdv", file
);
147 else if ( strstr( file
, ".jpg" ) )
148 result
= mlt_factory_producer( "pixbuf", file
);
149 else if ( strstr( file
, ".JPG" ) )
150 result
= mlt_factory_producer( "pixbuf", file
);
151 else if ( strstr( file
, ".jpeg" ) )
152 result
= mlt_factory_producer( "pixbuf", file
);
153 else if ( strstr( file
, ".png" ) )
154 result
= mlt_factory_producer( "pixbuf", file
);
155 else if ( strstr( file
, ".tga" ) )
156 result
= mlt_factory_producer( "pixbuf", file
);
157 else if ( strstr( file
, ".txt" ) )
158 result
= mlt_factory_producer( "pango", file
);
159 else if ( strstr( file
, ".ogg" ) )
160 result
= mlt_factory_producer( "vorbis", file
);
162 // 2nd Line fallbacks
163 if ( result
== NULL
&& strstr( file
, ".dv" ) )
164 result
= mlt_factory_producer( "libdv", file
);
165 else if ( result
== NULL
&& strstr( file
, ".dif" ) )
166 result
= mlt_factory_producer( "libdv", file
);
168 // 3rd line fallbacks
169 if ( result
== NULL
)
170 result
= mlt_factory_producer( "avformat", file
);
172 // 4th line fallbacks
173 if ( result
== NULL
)
174 result
= mlt_factory_producer( "ffmpeg", file
);
179 /** Create or locate a producer for the file specified.
182 static mlt_producer
locate_producer( miracle_unit unit
, char *file
)
184 // Get the unit properties
185 mlt_properties properties
= unit
->producers
;
187 // Check if we already have loaded this file
188 mlt_producer result
= mlt_properties_get_data( properties
, file
, NULL
);
190 if ( result
== NULL
)
192 // Create the producer
193 result
= create_producer( file
);
195 // Now store the result
196 if ( result
!= NULL
)
197 mlt_properties_set_data( properties
, file
, result
, 0, ( mlt_destructor
)mlt_producer_close
, NULL
);
203 /** Update the generation count.
206 static void update_generation( miracle_unit unit
)
208 mlt_properties properties
= unit
->properties
;
209 int generation
= mlt_properties_get_int( properties
, "generation" );
210 mlt_properties_set_int( properties
, "generation", ++ generation
);
213 /** Wipe all clips on the playlist for this unit.
216 static void clear_unit( miracle_unit unit
)
218 mlt_properties properties
= unit
->properties
;
219 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
220 mlt_producer producer
= mlt_playlist_producer( playlist
);
222 mlt_playlist_clear( playlist
);
223 mlt_producer_seek( producer
, 0 );
225 if ( unit
->old_producers
!= NULL
)
226 mlt_properties_close( unit
->old_producers
);
227 unit
->old_producers
= unit
->producers
;
228 unit
->producers
= mlt_properties_new( );
230 update_generation( unit
);
233 /** Generate a report on all loaded clips.
236 void miracle_unit_report_list( miracle_unit unit
, valerie_response response
)
239 mlt_properties properties
= unit
->properties
;
240 int generation
= mlt_properties_get_int( properties
, "generation" );
241 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
243 valerie_response_printf( response
, 1024, "%d\n", generation
);
245 for ( i
= 0; i
< mlt_playlist_count( playlist
); i
++ )
247 mlt_playlist_clip_info info
;
248 mlt_playlist_get_clip_info( playlist
, &info
, i
);
249 valerie_response_printf( response
, 10240, "%d \"%s\" %lld %lld %lld %lld %.2f\n",
259 /** Load a clip into the unit clearing existing play list.
262 \param unit A miracle_unit handle.
263 \param clip The absolute file name of the clip to load.
264 \param in The starting frame (-1 for 0)
265 \param out The ending frame (-1 for maximum)
268 valerie_error_code
miracle_unit_load( miracle_unit unit
, char *clip
, int64_t in
, int64_t out
, int flush
)
270 // Now try to create an producer
271 mlt_producer instance
= create_producer( clip
);
273 if ( instance
!= NULL
)
276 mlt_properties properties
= unit
->properties
;
277 mlt_properties_set_data( unit
->producers
, clip
, instance
, 0, ( mlt_destructor
)mlt_producer_close
, NULL
);
278 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
279 mlt_playlist_append_io( playlist
, instance
, in
, out
);
280 miracle_log( LOG_DEBUG
, "loaded clip %s", clip
);
281 miracle_unit_status_communicate( unit
);
285 return valerie_invalid_file
;
288 valerie_error_code
miracle_unit_insert( miracle_unit unit
, char *clip
, int index
, int64_t in
, int64_t out
)
290 mlt_producer instance
= locate_producer( unit
, clip
);
292 if ( instance
!= NULL
)
294 mlt_properties properties
= unit
->properties
;
295 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
296 mlt_playlist_insert( playlist
, instance
, index
, in
, out
);
297 miracle_log( LOG_DEBUG
, "inserted clip %s at %d", clip
, index
);
298 update_generation( unit
);
299 miracle_unit_status_communicate( unit
);
303 return valerie_invalid_file
;
306 valerie_error_code
miracle_unit_remove( miracle_unit unit
, int index
)
308 mlt_properties properties
= unit
->properties
;
309 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
310 mlt_playlist_remove( playlist
, index
);
311 miracle_log( LOG_DEBUG
, "removed clip at %d", index
);
312 update_generation( unit
);
313 miracle_unit_status_communicate( unit
);
317 valerie_error_code
miracle_unit_clean( miracle_unit unit
)
320 miracle_log( LOG_DEBUG
, "Cleaned playlist" );
321 miracle_unit_status_communicate( unit
);
325 valerie_error_code
miracle_unit_move( miracle_unit unit
, int src
, int dest
)
327 mlt_properties properties
= unit
->properties
;
328 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
329 mlt_playlist_move( playlist
, src
, dest
);
330 miracle_log( LOG_DEBUG
, "moved clip %d to %d", src
, dest
);
331 update_generation( unit
);
332 miracle_unit_status_communicate( unit
);
336 /** Add a clip to the unit play list.
339 \param unit A miracle_unit handle.
340 \param clip The absolute file name of the clip to load.
341 \param in The starting frame (-1 for 0)
342 \param out The ending frame (-1 for maximum)
345 valerie_error_code
miracle_unit_append( miracle_unit unit
, char *clip
, int64_t in
, int64_t out
)
347 mlt_producer instance
= locate_producer( unit
, clip
);
349 if ( instance
!= NULL
)
351 mlt_properties properties
= unit
->properties
;
352 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
353 mlt_playlist_append_io( playlist
, instance
, in
, out
);
354 miracle_log( LOG_DEBUG
, "appended clip %s", clip
);
355 update_generation( unit
);
356 miracle_unit_status_communicate( unit
);
360 return valerie_invalid_file
;
363 /** Start playing the unit.
366 \param unit A miracle_unit handle.
367 \param speed An integer that specifies the playback rate as a
368 percentage multiplied by 100.
371 void miracle_unit_play( miracle_unit_t
*unit
, int speed
)
373 mlt_properties properties
= unit
->properties
;
374 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
375 mlt_producer producer
= mlt_playlist_producer( playlist
);
376 mlt_consumer consumer
= mlt_properties_get_data( unit
->properties
, "consumer", NULL
);
377 mlt_producer_set_speed( producer
, ( double )speed
/ 1000 );
378 mlt_consumer_start( consumer
);
379 miracle_unit_status_communicate( unit
);
384 Terminates the dv_pump and halts dv1394 transmission.
386 \param unit A miracle_unit handle.
389 void miracle_unit_terminate( miracle_unit unit
)
391 mlt_consumer consumer
= mlt_properties_get_data( unit
->properties
, "consumer", NULL
);
392 mlt_consumer_stop( consumer
);
393 miracle_unit_status_communicate( unit
);
396 /** Query the status of unit playback.
398 \param unit A miracle_unit handle.
399 \return 1 if the unit is not playing, 0 if playing.
402 int miracle_unit_has_terminated( miracle_unit unit
)
404 mlt_consumer consumer
= mlt_properties_get_data( unit
->properties
, "consumer", NULL
);
405 return mlt_consumer_is_stopped( consumer
);
408 /** Transfer the currently loaded clip to another unit
411 int miracle_unit_transfer( miracle_unit dest_unit
, miracle_unit src_unit
)
416 /** Determine if unit is offline.
419 int miracle_unit_is_offline( miracle_unit unit
)
424 /** Obtain the status for a given unit
427 int miracle_unit_get_status( miracle_unit unit
, valerie_status status
)
429 int error
= unit
== NULL
;
431 memset( status
, 0, sizeof( valerie_status_t
) );
435 mlt_properties properties
= unit
->properties
;
436 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
437 mlt_producer producer
= mlt_playlist_producer( playlist
);
438 mlt_producer clip
= mlt_playlist_current( playlist
);
440 mlt_playlist_clip_info info
;
441 int clip_index
= mlt_playlist_current_clip( playlist
);
442 mlt_playlist_get_clip_info( playlist
, &info
, clip_index
);
444 if ( info
.resource
!= NULL
&& strcmp( info
.resource
, "" ) )
446 strncpy( status
->clip
, info
.resource
, sizeof( status
->clip
) );
447 status
->speed
= (int)( mlt_producer_get_speed( producer
) * 1000.0 );
448 status
->fps
= mlt_producer_get_fps( producer
);
449 status
->in
= info
.frame_in
;
450 status
->out
= info
.frame_out
;
451 status
->position
= mlt_producer_position( clip
);
452 status
->length
= mlt_producer_get_length( clip
);
453 strncpy( status
->tail_clip
, info
.resource
, sizeof( status
->tail_clip
) );
454 status
->tail_in
= info
.frame_in
;
455 status
->tail_out
= info
.frame_out
;
456 status
->tail_position
= mlt_producer_position( clip
);
457 status
->tail_length
= mlt_producer_get_length( clip
);
458 status
->clip_index
= mlt_playlist_current_clip( playlist
);
459 status
->seek_flag
= 1;
462 status
->generation
= mlt_properties_get_int( properties
, "generation" );
464 if ( miracle_unit_has_terminated( unit
) )
465 status
->status
= unit_stopped
;
466 else if ( !strcmp( status
->clip
, "" ) )
467 status
->status
= unit_not_loaded
;
468 else if ( status
->speed
== 0 )
469 status
->status
= unit_paused
;
471 status
->status
= unit_playing
;
475 status
->status
= unit_undefined
;
478 status
->unit
= mlt_properties_get_int( unit
->properties
, "unit" );
483 /** Change position in the playlist.
486 void miracle_unit_change_position( miracle_unit unit
, int clip
, int64_t position
)
488 mlt_properties properties
= unit
->properties
;
489 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
490 mlt_producer producer
= mlt_playlist_producer( playlist
);
491 mlt_playlist_clip_info info
;
498 else if ( clip
>= mlt_playlist_count( playlist
) )
500 clip
= mlt_playlist_count( playlist
) - 1;
504 if ( mlt_playlist_get_clip_info( playlist
, &info
, clip
) == 0 )
506 int64_t frame_start
= info
.start
;
507 int64_t frame_offset
= position
;
509 if ( frame_offset
< 0 )
510 frame_offset
= info
.frame_out
;
511 if ( frame_offset
< info
.frame_in
)
512 frame_offset
= info
.frame_in
;
513 if ( frame_offset
>= info
.frame_out
)
514 frame_offset
= info
.frame_out
;
516 mlt_producer_seek( producer
, frame_start
+ frame_offset
- info
.frame_in
);
519 miracle_unit_status_communicate( unit
);
522 /** Get the index of the current clip.
525 int miracle_unit_get_current_clip( miracle_unit unit
)
527 mlt_properties properties
= unit
->properties
;
528 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
529 int clip_index
= mlt_playlist_current_clip( playlist
);
533 /** Set a clip's in point
536 int miracle_unit_set_clip_in( miracle_unit unit
, int index
, int64_t position
)
538 mlt_properties properties
= unit
->properties
;
539 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
540 mlt_playlist_clip_info info
;
541 int error
= mlt_playlist_get_clip_info( playlist
, &info
, index
);
545 miracle_unit_play( unit
, 0 );
546 error
= mlt_playlist_resize_clip( playlist
, index
, position
, info
.frame_out
);
547 update_generation( unit
);
548 miracle_unit_change_position( unit
, index
, 0 );
554 /** Set a clip's out point.
557 int miracle_unit_set_clip_out( miracle_unit unit
, int index
, int64_t position
)
559 mlt_properties properties
= unit
->properties
;
560 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
561 mlt_playlist_clip_info info
;
562 int error
= mlt_playlist_get_clip_info( playlist
, &info
, index
);
566 miracle_unit_play( unit
, 0 );
567 error
= mlt_playlist_resize_clip( playlist
, index
, info
.frame_in
, position
);
568 update_generation( unit
);
569 miracle_unit_status_communicate( unit
);
570 miracle_unit_change_position( unit
, index
, -1 );
576 /** Step by specified position.
579 void miracle_unit_step( miracle_unit unit
, int64_t offset
)
581 mlt_properties properties
= unit
->properties
;
582 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
583 mlt_producer producer
= mlt_playlist_producer( playlist
);
584 mlt_position position
= mlt_producer_frame( producer
);
585 mlt_producer_seek( producer
, position
+ offset
);
588 /** Set the unit's clip mode regarding in and out points.
591 //void miracle_unit_set_mode( miracle_unit unit, dv_player_clip_mode mode )
593 //dv_player player = miracle_unit_get_dv_player( unit );
594 //if ( player != NULL )
595 //dv_player_set_clip_mode( player, mode );
596 //miracle_unit_status_communicate( unit );
599 /** Get the unit's clip mode regarding in and out points.
602 //dv_player_clip_mode miracle_unit_get_mode( miracle_unit unit )
604 //dv_player player = miracle_unit_get_dv_player( unit );
605 //return dv_player_get_clip_mode( player );
608 /** Set the unit's clip mode regarding eof handling.
611 //void miracle_unit_set_eof_action( miracle_unit unit, dv_player_eof_action action )
613 //dv_player player = miracle_unit_get_dv_player( unit );
614 //dv_player_set_eof_action( player, action );
615 //miracle_unit_status_communicate( unit );
618 /** Get the unit's clip mode regarding eof handling.
621 //dv_player_eof_action miracle_unit_get_eof_action( miracle_unit unit )
623 //dv_player player = miracle_unit_get_dv_player( unit );
624 //return dv_player_get_eof_action( player );
627 int miracle_unit_set( miracle_unit unit
, char *name_value
)
629 mlt_playlist playlist
= mlt_properties_get_data( unit
->properties
, "playlist", NULL
);
630 mlt_properties properties
= mlt_playlist_properties( playlist
);
631 return mlt_properties_parse( properties
, name_value
);
634 char *miracle_unit_get( miracle_unit unit
, char *name
)
636 mlt_playlist playlist
= mlt_properties_get_data( unit
->properties
, "playlist", NULL
);
637 mlt_properties properties
= mlt_playlist_properties( playlist
);
638 return mlt_properties_get( properties
, name
);
644 \param unit A miracle_unit handle.
647 void miracle_unit_close( miracle_unit unit
)
651 miracle_log( LOG_DEBUG
, "closing unit..." );
652 if ( unit
->old_producers
!= NULL
)
653 mlt_properties_close( unit
->old_producers
);
654 mlt_properties_close( unit
->properties
);
655 mlt_properties_close( unit
->producers
);
657 miracle_log( LOG_DEBUG
, "... unit closed." );