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 /** Create or locate a producer for the file specified.
133 static mlt_producer
create_producer( miracle_unit unit
, char *file
)
135 // Get the unit properties
136 mlt_properties properties
= unit
->producers
;
138 // Check if we already have loaded this file
139 mlt_producer result
= mlt_properties_get_data( properties
, file
, NULL
);
141 if ( result
== NULL
)
143 // 1st Line preferences
144 if ( strstr( file
, ".inigo" ) )
145 result
= mlt_factory_producer( "inigo_file", file
);
146 else if ( strstr( file
, ".westley" ) )
147 result
= mlt_factory_producer( "westley", file
);
148 else if ( strstr( file
, ".mpg" ) )
149 result
= mlt_factory_producer( "mcmpeg", file
);
150 else if ( strstr( file
, ".mpeg" ) )
151 result
= mlt_factory_producer( "mcmpeg", file
);
152 else if ( strstr( file
, ".dv" ) )
153 result
= mlt_factory_producer( "mcdv", file
);
154 else if ( strstr( file
, ".dif" ) )
155 result
= mlt_factory_producer( "mcdv", file
);
156 else if ( strstr( file
, ".jpg" ) )
157 result
= mlt_factory_producer( "pixbuf", file
);
158 else if ( strstr( file
, ".JPG" ) )
159 result
= mlt_factory_producer( "pixbuf", file
);
160 else if ( strstr( file
, ".jpeg" ) )
161 result
= mlt_factory_producer( "pixbuf", file
);
162 else if ( strstr( file
, ".png" ) )
163 result
= mlt_factory_producer( "pixbuf", file
);
164 else if ( strstr( file
, ".tga" ) )
165 result
= mlt_factory_producer( "pixbuf", file
);
166 else if ( strstr( file
, ".txt" ) )
167 result
= mlt_factory_producer( "pango", file
);
168 else if ( strstr( file
, ".ogg" ) )
169 result
= mlt_factory_producer( "vorbis", file
);
171 // 2nd Line fallbacks
172 if ( result
== NULL
&& strstr( file
, ".dv" ) )
173 result
= mlt_factory_producer( "libdv", file
);
174 else if ( result
== NULL
&& strstr( file
, ".dif" ) )
175 result
= mlt_factory_producer( "libdv", file
);
177 // 3rd line fallbacks
178 if ( result
== NULL
)
179 result
= mlt_factory_producer( "avformat", file
);
181 // 4th line fallbacks
182 if ( result
== NULL
)
183 result
= mlt_factory_producer( "ffmpeg", file
);
185 // Now store the result
186 mlt_properties_set_data( properties
, file
, result
, 0, ( mlt_destructor
)mlt_producer_close
, NULL
);
192 /** Update the generation count.
195 static void update_generation( miracle_unit unit
)
197 mlt_properties properties
= unit
->properties
;
198 int generation
= mlt_properties_get_int( properties
, "generation" );
199 mlt_properties_set_int( properties
, "generation", ++ generation
);
202 /** Wipe all clips on the playlist for this unit.
205 static void clear_unit( miracle_unit unit
)
207 mlt_properties properties
= unit
->properties
;
208 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
209 mlt_producer producer
= mlt_playlist_producer( playlist
);
211 mlt_playlist_clear( playlist
);
212 mlt_producer_seek( producer
, 0 );
214 if ( unit
->old_producers
!= NULL
)
215 mlt_properties_close( unit
->old_producers
);
216 unit
->old_producers
= unit
->producers
;
217 unit
->producers
= mlt_properties_new( );
219 update_generation( unit
);
222 /** Generate a report on all loaded clips.
225 void miracle_unit_report_list( miracle_unit unit
, valerie_response response
)
228 mlt_properties properties
= unit
->properties
;
229 int generation
= mlt_properties_get_int( properties
, "generation" );
230 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
232 valerie_response_printf( response
, 1024, "%d\n", generation
);
234 for ( i
= 0; i
< mlt_playlist_count( playlist
); i
++ )
236 mlt_playlist_clip_info info
;
237 mlt_playlist_get_clip_info( playlist
, &info
, i
);
238 valerie_response_printf( response
, 10240, "%d \"%s\" %lld %lld %lld %lld %.2f\n",
248 /** Load a clip into the unit clearing existing play list.
251 \param unit A miracle_unit handle.
252 \param clip The absolute file name of the clip to load.
253 \param in The starting frame (-1 for 0)
254 \param out The ending frame (-1 for maximum)
257 valerie_error_code
miracle_unit_load( miracle_unit unit
, char *clip
, int64_t in
, int64_t out
, int flush
)
259 // Have to clear the unit first
262 // Now try to create an producer
263 mlt_producer instance
= create_producer( unit
, clip
);
265 if ( instance
!= NULL
)
267 mlt_properties properties
= unit
->properties
;
268 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
269 mlt_playlist_append_io( playlist
, instance
, in
, out
);
270 miracle_log( LOG_DEBUG
, "loaded clip %s", clip
);
271 miracle_unit_status_communicate( unit
);
275 return valerie_invalid_file
;
278 valerie_error_code
miracle_unit_insert( miracle_unit unit
, char *clip
, int index
, int64_t in
, int64_t out
)
280 mlt_producer instance
= create_producer( unit
, clip
);
282 if ( instance
!= NULL
)
284 mlt_properties properties
= unit
->properties
;
285 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
286 mlt_playlist_insert( playlist
, instance
, index
, in
, out
);
287 miracle_log( LOG_DEBUG
, "inserted clip %s at %d", clip
, index
);
288 update_generation( unit
);
289 miracle_unit_status_communicate( unit
);
293 return valerie_invalid_file
;
296 valerie_error_code
miracle_unit_remove( miracle_unit unit
, int index
)
298 mlt_properties properties
= unit
->properties
;
299 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
300 mlt_playlist_remove( playlist
, index
);
301 miracle_log( LOG_DEBUG
, "removed clip at %d", index
);
302 update_generation( unit
);
303 miracle_unit_status_communicate( unit
);
307 valerie_error_code
miracle_unit_clean( miracle_unit unit
)
310 miracle_log( LOG_DEBUG
, "Cleaned playlist" );
311 miracle_unit_status_communicate( unit
);
315 valerie_error_code
miracle_unit_move( miracle_unit unit
, int src
, int dest
)
317 mlt_properties properties
= unit
->properties
;
318 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
319 mlt_playlist_move( playlist
, src
, dest
);
320 miracle_log( LOG_DEBUG
, "moved clip %d to %d", src
, dest
);
321 update_generation( unit
);
322 miracle_unit_status_communicate( unit
);
326 /** Add a clip to the unit play list.
329 \param unit A miracle_unit handle.
330 \param clip The absolute file name of the clip to load.
331 \param in The starting frame (-1 for 0)
332 \param out The ending frame (-1 for maximum)
335 valerie_error_code
miracle_unit_append( miracle_unit unit
, char *clip
, int64_t in
, int64_t out
)
337 mlt_producer instance
= create_producer( unit
, clip
);
339 if ( instance
!= NULL
)
341 mlt_properties properties
= unit
->properties
;
342 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
343 mlt_playlist_append_io( playlist
, instance
, in
, out
);
344 miracle_log( LOG_DEBUG
, "appended clip %s", clip
);
345 update_generation( unit
);
346 miracle_unit_status_communicate( unit
);
350 return valerie_invalid_file
;
353 /** Start playing the unit.
356 \param unit A miracle_unit handle.
357 \param speed An integer that specifies the playback rate as a
358 percentage multiplied by 100.
361 void miracle_unit_play( miracle_unit_t
*unit
, int speed
)
363 mlt_properties properties
= unit
->properties
;
364 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
365 mlt_producer producer
= mlt_playlist_producer( playlist
);
366 mlt_consumer consumer
= mlt_properties_get_data( unit
->properties
, "consumer", NULL
);
367 mlt_producer_set_speed( producer
, ( double )speed
/ 1000 );
368 mlt_consumer_start( consumer
);
369 miracle_unit_status_communicate( unit
);
374 Terminates the dv_pump and halts dv1394 transmission.
376 \param unit A miracle_unit handle.
379 void miracle_unit_terminate( miracle_unit unit
)
381 mlt_consumer consumer
= mlt_properties_get_data( unit
->properties
, "consumer", NULL
);
382 mlt_consumer_stop( consumer
);
383 miracle_unit_status_communicate( unit
);
386 /** Query the status of unit playback.
388 \param unit A miracle_unit handle.
389 \return 1 if the unit is not playing, 0 if playing.
392 int miracle_unit_has_terminated( miracle_unit unit
)
394 mlt_consumer consumer
= mlt_properties_get_data( unit
->properties
, "consumer", NULL
);
395 return mlt_consumer_is_stopped( consumer
);
398 /** Transfer the currently loaded clip to another unit
401 int miracle_unit_transfer( miracle_unit dest_unit
, miracle_unit src_unit
)
406 /** Determine if unit is offline.
409 int miracle_unit_is_offline( miracle_unit unit
)
414 /** Obtain the status for a given unit
417 int miracle_unit_get_status( miracle_unit unit
, valerie_status status
)
419 int error
= unit
== NULL
;
421 memset( status
, 0, sizeof( valerie_status_t
) );
425 mlt_properties properties
= unit
->properties
;
426 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
427 mlt_producer producer
= mlt_playlist_producer( playlist
);
428 mlt_producer clip
= mlt_playlist_current( playlist
);
430 mlt_playlist_clip_info info
;
431 int clip_index
= mlt_playlist_current_clip( playlist
);
432 mlt_playlist_get_clip_info( playlist
, &info
, clip_index
);
434 if ( info
.resource
!= NULL
&& strcmp( info
.resource
, "" ) )
436 strncpy( status
->clip
, info
.resource
, sizeof( status
->clip
) );
437 status
->speed
= (int)( mlt_producer_get_speed( producer
) * 1000.0 );
438 status
->fps
= mlt_producer_get_fps( producer
);
439 status
->in
= info
.frame_in
;
440 status
->out
= info
.frame_out
;
441 status
->position
= mlt_producer_position( clip
);
442 status
->length
= mlt_producer_get_length( clip
);
443 strncpy( status
->tail_clip
, info
.resource
, sizeof( status
->tail_clip
) );
444 status
->tail_in
= info
.frame_in
;
445 status
->tail_out
= info
.frame_out
;
446 status
->tail_position
= mlt_producer_position( clip
);
447 status
->tail_length
= mlt_producer_get_length( clip
);
448 status
->clip_index
= mlt_playlist_current_clip( playlist
);
449 status
->seek_flag
= 1;
452 status
->generation
= mlt_properties_get_int( properties
, "generation" );
454 if ( miracle_unit_has_terminated( unit
) )
455 status
->status
= unit_stopped
;
456 else if ( !strcmp( status
->clip
, "" ) )
457 status
->status
= unit_not_loaded
;
458 else if ( status
->speed
== 0 )
459 status
->status
= unit_paused
;
461 status
->status
= unit_playing
;
465 status
->status
= unit_undefined
;
468 status
->unit
= mlt_properties_get_int( unit
->properties
, "unit" );
473 /** Change position in the playlist.
476 void miracle_unit_change_position( miracle_unit unit
, int clip
, int64_t position
)
478 mlt_properties properties
= unit
->properties
;
479 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
480 mlt_producer producer
= mlt_playlist_producer( playlist
);
481 mlt_playlist_clip_info info
;
488 else if ( clip
>= mlt_playlist_count( playlist
) )
490 clip
= mlt_playlist_count( playlist
) - 1;
494 if ( mlt_playlist_get_clip_info( playlist
, &info
, clip
) == 0 )
496 int64_t frame_start
= info
.start
;
497 int64_t frame_offset
= position
;
499 if ( frame_offset
< 0 )
500 frame_offset
= info
.frame_out
;
501 if ( frame_offset
< info
.frame_in
)
502 frame_offset
= info
.frame_in
;
503 if ( frame_offset
>= info
.frame_out
)
504 frame_offset
= info
.frame_out
;
506 mlt_producer_seek( producer
, frame_start
+ frame_offset
- info
.frame_in
);
509 miracle_unit_status_communicate( unit
);
512 /** Get the index of the current clip.
515 int miracle_unit_get_current_clip( miracle_unit unit
)
517 mlt_properties properties
= unit
->properties
;
518 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
519 int clip_index
= mlt_playlist_current_clip( playlist
);
523 /** Set a clip's in point
526 int miracle_unit_set_clip_in( miracle_unit unit
, int index
, int64_t position
)
528 mlt_properties properties
= unit
->properties
;
529 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
530 mlt_playlist_clip_info info
;
531 int error
= mlt_playlist_get_clip_info( playlist
, &info
, index
);
535 miracle_unit_play( unit
, 0 );
536 error
= mlt_playlist_resize_clip( playlist
, index
, position
, info
.frame_out
);
537 update_generation( unit
);
538 miracle_unit_change_position( unit
, index
, 0 );
544 /** Set a clip's out point.
547 int miracle_unit_set_clip_out( miracle_unit unit
, int index
, int64_t position
)
549 mlt_properties properties
= unit
->properties
;
550 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
551 mlt_playlist_clip_info info
;
552 int error
= mlt_playlist_get_clip_info( playlist
, &info
, index
);
556 miracle_unit_play( unit
, 0 );
557 error
= mlt_playlist_resize_clip( playlist
, index
, info
.frame_in
, position
);
558 update_generation( unit
);
559 miracle_unit_status_communicate( unit
);
560 miracle_unit_change_position( unit
, index
, -1 );
566 /** Step by specified position.
569 void miracle_unit_step( miracle_unit unit
, int64_t offset
)
571 mlt_properties properties
= unit
->properties
;
572 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
573 mlt_producer producer
= mlt_playlist_producer( playlist
);
574 mlt_position position
= mlt_producer_frame( producer
);
575 mlt_producer_seek( producer
, position
+ offset
);
578 /** Set the unit's clip mode regarding in and out points.
581 //void miracle_unit_set_mode( miracle_unit unit, dv_player_clip_mode mode )
583 //dv_player player = miracle_unit_get_dv_player( unit );
584 //if ( player != NULL )
585 //dv_player_set_clip_mode( player, mode );
586 //miracle_unit_status_communicate( unit );
589 /** Get the unit's clip mode regarding in and out points.
592 //dv_player_clip_mode miracle_unit_get_mode( miracle_unit unit )
594 //dv_player player = miracle_unit_get_dv_player( unit );
595 //return dv_player_get_clip_mode( player );
598 /** Set the unit's clip mode regarding eof handling.
601 //void miracle_unit_set_eof_action( miracle_unit unit, dv_player_eof_action action )
603 //dv_player player = miracle_unit_get_dv_player( unit );
604 //dv_player_set_eof_action( player, action );
605 //miracle_unit_status_communicate( unit );
608 /** Get the unit's clip mode regarding eof handling.
611 //dv_player_eof_action miracle_unit_get_eof_action( miracle_unit unit )
613 //dv_player player = miracle_unit_get_dv_player( unit );
614 //return dv_player_get_eof_action( player );
617 int miracle_unit_set( miracle_unit unit
, char *name_value
)
619 mlt_playlist playlist
= mlt_properties_get_data( unit
->properties
, "playlist", NULL
);
620 mlt_properties properties
= mlt_playlist_properties( playlist
);
621 return mlt_properties_parse( properties
, name_value
);
624 char *miracle_unit_get( miracle_unit unit
, char *name
)
626 mlt_playlist playlist
= mlt_properties_get_data( unit
->properties
, "playlist", NULL
);
627 mlt_properties properties
= mlt_playlist_properties( playlist
);
628 return mlt_properties_get( properties
, name
);
634 \param unit A miracle_unit handle.
637 void miracle_unit_close( miracle_unit unit
)
641 miracle_log( LOG_DEBUG
, "closing unit..." );
642 if ( unit
->old_producers
!= NULL
)
643 mlt_properties_close( unit
->old_producers
);
644 mlt_properties_close( unit
->properties
);
645 mlt_properties_close( unit
->producers
);
647 miracle_log( LOG_DEBUG
, "... unit closed." );