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" ) )
146 char *args
[ 2 ] = { file
, NULL
};
147 result
= mlt_factory_producer( "inigo", args
);
149 else if ( strstr( file
, ".mpg" ) )
150 result
= mlt_factory_producer( "mcmpeg", file
);
151 else if ( strstr( file
, ".mpeg" ) )
152 result
= mlt_factory_producer( "mcmpeg", file
);
153 else if ( strstr( file
, ".dv" ) )
154 result
= mlt_factory_producer( "mcdv", file
);
155 else if ( strstr( file
, ".dif" ) )
156 result
= mlt_factory_producer( "mcdv", file
);
157 else if ( strstr( file
, ".jpg" ) )
158 result
= mlt_factory_producer( "pixbuf", file
);
159 else if ( strstr( file
, ".JPG" ) )
160 result
= mlt_factory_producer( "pixbuf", file
);
161 else if ( strstr( file
, ".jpeg" ) )
162 result
= mlt_factory_producer( "pixbuf", file
);
163 else if ( strstr( file
, ".png" ) )
164 result
= mlt_factory_producer( "pixbuf", file
);
166 // 2nd Line fallbacks
167 if ( result
== NULL
&& strstr( file
, ".dv" ) )
168 result
= mlt_factory_producer( "libdv", file
);
169 else if ( result
== NULL
&& strstr( file
, ".dif" ) )
170 result
= mlt_factory_producer( "libdv", file
);
172 // 3rd line fallbacks
173 if ( result
== NULL
)
174 result
= mlt_factory_producer( "ffmpeg", file
);
176 // Now store the result
177 mlt_properties_set_data( properties
, file
, result
, 0, ( mlt_destructor
)mlt_producer_close
, NULL
);
183 /** Update the generation count.
186 static void update_generation( miracle_unit unit
)
188 mlt_properties properties
= unit
->properties
;
189 int generation
= mlt_properties_get_int( properties
, "generation" );
190 mlt_properties_set_int( properties
, "generation", ++ generation
);
193 /** Wipe all clips on the playlist for this unit.
196 static void clear_unit( miracle_unit unit
)
198 mlt_properties properties
= unit
->properties
;
199 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
200 mlt_producer producer
= mlt_playlist_producer( playlist
);
202 mlt_playlist_clear( playlist
);
203 mlt_producer_seek( producer
, 0 );
205 if ( unit
->old_producers
!= NULL
)
206 mlt_properties_close( unit
->old_producers
);
207 unit
->old_producers
= unit
->producers
;
208 unit
->producers
= mlt_properties_new( );
210 update_generation( unit
);
213 /** Generate a report on all loaded clips.
216 void miracle_unit_report_list( miracle_unit unit
, valerie_response response
)
219 mlt_properties properties
= unit
->properties
;
220 int generation
= mlt_properties_get_int( properties
, "generation" );
221 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
223 valerie_response_printf( response
, 1024, "%d\n", generation
);
225 for ( i
= 0; i
< mlt_playlist_count( playlist
); i
++ )
227 mlt_playlist_clip_info info
;
228 mlt_playlist_get_clip_info( playlist
, &info
, i
);
229 valerie_response_printf( response
, 10240, "%d \"%s\" %lld %lld %lld %lld %.2f\n",
239 /** Load a clip into the unit clearing existing play list.
242 \param unit A miracle_unit handle.
243 \param clip The absolute file name of the clip to load.
244 \param in The starting frame (-1 for 0)
245 \param out The ending frame (-1 for maximum)
248 valerie_error_code
miracle_unit_load( miracle_unit unit
, char *clip
, int64_t in
, int64_t out
, int flush
)
250 // Have to clear the unit first
253 // Now try to create an producer
254 mlt_producer instance
= create_producer( unit
, clip
);
256 if ( instance
!= NULL
)
258 mlt_properties properties
= unit
->properties
;
259 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
260 mlt_playlist_append_io( playlist
, instance
, in
, out
);
261 miracle_log( LOG_DEBUG
, "loaded clip %s", clip
);
262 miracle_unit_status_communicate( unit
);
266 return valerie_invalid_file
;
269 valerie_error_code
miracle_unit_insert( miracle_unit unit
, char *clip
, int index
, int64_t in
, int64_t out
)
271 mlt_producer instance
= create_producer( unit
, clip
);
273 if ( instance
!= NULL
)
275 mlt_properties properties
= unit
->properties
;
276 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
277 mlt_playlist_insert( playlist
, instance
, index
, in
, out
);
278 miracle_log( LOG_DEBUG
, "inserted clip %s at %d", clip
, index
);
279 update_generation( unit
);
280 miracle_unit_status_communicate( unit
);
284 return valerie_invalid_file
;
287 valerie_error_code
miracle_unit_remove( miracle_unit unit
, int index
)
289 mlt_properties properties
= unit
->properties
;
290 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
291 mlt_playlist_remove( playlist
, index
);
292 miracle_log( LOG_DEBUG
, "removed clip at %d", index
);
293 update_generation( unit
);
294 miracle_unit_status_communicate( unit
);
298 valerie_error_code
miracle_unit_clean( miracle_unit unit
)
301 miracle_log( LOG_DEBUG
, "Cleaned playlist" );
305 valerie_error_code
miracle_unit_move( miracle_unit unit
, int src
, int dest
)
307 mlt_properties properties
= unit
->properties
;
308 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
309 mlt_playlist_move( playlist
, src
, dest
);
310 miracle_log( LOG_DEBUG
, "moved clip %d to %d", src
, dest
);
311 update_generation( unit
);
312 miracle_unit_status_communicate( unit
);
316 /** Add a clip to the unit play list.
319 \param unit A miracle_unit handle.
320 \param clip The absolute file name of the clip to load.
321 \param in The starting frame (-1 for 0)
322 \param out The ending frame (-1 for maximum)
325 valerie_error_code
miracle_unit_append( miracle_unit unit
, char *clip
, int64_t in
, int64_t out
)
327 mlt_producer instance
= create_producer( unit
, clip
);
329 if ( instance
!= NULL
)
331 mlt_properties properties
= unit
->properties
;
332 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
333 mlt_playlist_append_io( playlist
, instance
, in
, out
);
334 miracle_log( LOG_DEBUG
, "appended clip %s", clip
);
335 update_generation( unit
);
336 miracle_unit_status_communicate( unit
);
340 return valerie_invalid_file
;
343 /** Start playing the clip.
345 Start a dv-pump and commence dv1394 transmission.
348 \param unit A miracle_unit handle.
349 \param speed An integer that specifies the playback rate as a
350 percentage multiplied by 100.
353 void miracle_unit_play( miracle_unit_t
*unit
, int speed
)
355 mlt_properties properties
= unit
->properties
;
356 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
357 mlt_producer producer
= mlt_playlist_producer( playlist
);
358 mlt_producer_set_speed( producer
, ( double )speed
/ 1000 );
359 miracle_unit_status_communicate( unit
);
364 Terminates the dv_pump and halts dv1394 transmission.
366 \param unit A miracle_unit handle.
369 void miracle_unit_terminate( miracle_unit unit
)
373 /** Query the status of unit playback.
375 \param unit A miracle_unit handle.
376 \return 1 if the unit is not playing, 0 if playing.
379 int miracle_unit_has_terminated( miracle_unit unit
)
384 /** Transfer the currently loaded clip to another unit
387 int miracle_unit_transfer( miracle_unit dest_unit
, miracle_unit src_unit
)
392 /** Determine if unit is offline.
395 int miracle_unit_is_offline( miracle_unit unit
)
400 /** Obtain the status for a given unit
403 int miracle_unit_get_status( miracle_unit unit
, valerie_status status
)
405 int error
= unit
== NULL
;
407 memset( status
, 0, sizeof( valerie_status_t
) );
411 mlt_properties properties
= unit
->properties
;
412 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
413 mlt_producer producer
= mlt_playlist_producer( playlist
);
414 mlt_producer clip
= mlt_playlist_current( playlist
);
416 mlt_playlist_clip_info info
;
417 int clip_index
= mlt_playlist_current_clip( playlist
);
418 mlt_playlist_get_clip_info( playlist
, &info
, clip_index
);
420 if ( info
.resource
!= NULL
&& strcmp( info
.resource
, "" ) )
422 strncpy( status
->clip
, info
.resource
, sizeof( status
->clip
) );
423 status
->speed
= (int)( mlt_producer_get_speed( producer
) * 1000.0 );
424 status
->fps
= mlt_producer_get_fps( producer
);
425 status
->in
= info
.frame_in
;
426 status
->out
= info
.frame_out
;
427 status
->position
= mlt_producer_position( clip
);
428 status
->length
= mlt_producer_get_length( clip
);
429 strncpy( status
->tail_clip
, info
.resource
, sizeof( status
->tail_clip
) );
430 status
->tail_in
= info
.frame_in
;
431 status
->tail_out
= info
.frame_out
;
432 status
->tail_position
= mlt_producer_position( clip
);
433 status
->tail_length
= mlt_producer_get_length( clip
);
434 status
->clip_index
= mlt_playlist_current_clip( playlist
);
435 status
->seek_flag
= 1;
438 status
->generation
= mlt_properties_get_int( properties
, "generation" );
440 if ( !strcmp( status
->clip
, "" ) )
441 status
->status
= unit_not_loaded
;
442 else if ( status
->speed
== 0 )
443 status
->status
= unit_paused
;
445 status
->status
= unit_playing
;
449 status
->status
= unit_undefined
;
452 status
->unit
= mlt_properties_get_int( unit
->properties
, "unit" );
457 /** Change position in the playlist.
460 void miracle_unit_change_position( miracle_unit unit
, int clip
, int64_t position
)
462 mlt_properties properties
= unit
->properties
;
463 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
464 mlt_producer producer
= mlt_playlist_producer( playlist
);
465 mlt_playlist_clip_info info
;
472 else if ( clip
>= mlt_playlist_count( playlist
) )
474 clip
= mlt_playlist_count( playlist
) - 1;
478 if ( mlt_playlist_get_clip_info( playlist
, &info
, clip
) == 0 )
480 int64_t frame_start
= info
.start
;
481 int64_t frame_offset
= position
;
483 if ( frame_offset
< 0 )
484 frame_offset
= info
.frame_out
;
485 if ( frame_offset
< info
.frame_in
)
486 frame_offset
= info
.frame_in
;
487 if ( frame_offset
>= info
.frame_out
)
488 frame_offset
= info
.frame_out
;
490 mlt_producer_seek( producer
, frame_start
+ frame_offset
- info
.frame_in
);
493 miracle_unit_status_communicate( unit
);
496 /** Get the index of the current clip.
499 int miracle_unit_get_current_clip( miracle_unit unit
)
501 mlt_properties properties
= unit
->properties
;
502 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
503 int clip_index
= mlt_playlist_current_clip( playlist
);
507 /** Set a clip's in point
510 int miracle_unit_set_clip_in( miracle_unit unit
, int index
, int64_t position
)
512 mlt_properties properties
= unit
->properties
;
513 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
514 mlt_playlist_clip_info info
;
515 int error
= mlt_playlist_get_clip_info( playlist
, &info
, index
);
519 miracle_unit_play( unit
, 0 );
520 error
= mlt_playlist_resize_clip( playlist
, index
, position
, info
.frame_out
);
521 update_generation( unit
);
522 miracle_unit_change_position( unit
, index
, 0 );
528 /** Set a clip's out point.
531 int miracle_unit_set_clip_out( miracle_unit unit
, int index
, int64_t position
)
533 mlt_properties properties
= unit
->properties
;
534 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
535 mlt_playlist_clip_info info
;
536 int error
= mlt_playlist_get_clip_info( playlist
, &info
, index
);
540 miracle_unit_play( unit
, 0 );
541 error
= mlt_playlist_resize_clip( playlist
, index
, info
.frame_in
, position
);
542 update_generation( unit
);
543 miracle_unit_status_communicate( unit
);
544 miracle_unit_change_position( unit
, index
, -1 );
550 /** Step by specified position.
553 void miracle_unit_step( miracle_unit unit
, int64_t offset
)
555 mlt_properties properties
= unit
->properties
;
556 mlt_playlist playlist
= mlt_properties_get_data( properties
, "playlist", NULL
);
557 mlt_producer producer
= mlt_playlist_producer( playlist
);
558 mlt_position position
= mlt_producer_frame( producer
);
559 mlt_producer_seek( producer
, position
+ offset
);
562 /** Set the unit's clip mode regarding in and out points.
565 //void miracle_unit_set_mode( miracle_unit unit, dv_player_clip_mode mode )
567 //dv_player player = miracle_unit_get_dv_player( unit );
568 //if ( player != NULL )
569 //dv_player_set_clip_mode( player, mode );
570 //miracle_unit_status_communicate( unit );
573 /** Get the unit's clip mode regarding in and out points.
576 //dv_player_clip_mode miracle_unit_get_mode( miracle_unit unit )
578 //dv_player player = miracle_unit_get_dv_player( unit );
579 //return dv_player_get_clip_mode( player );
582 /** Set the unit's clip mode regarding eof handling.
585 //void miracle_unit_set_eof_action( miracle_unit unit, dv_player_eof_action action )
587 //dv_player player = miracle_unit_get_dv_player( unit );
588 //dv_player_set_eof_action( player, action );
589 //miracle_unit_status_communicate( unit );
592 /** Get the unit's clip mode regarding eof handling.
595 //dv_player_eof_action miracle_unit_get_eof_action( miracle_unit unit )
597 //dv_player player = miracle_unit_get_dv_player( unit );
598 //return dv_player_get_eof_action( player );
601 int miracle_unit_set( miracle_unit unit
, char *name_value
)
603 mlt_playlist playlist
= mlt_properties_get_data( unit
->properties
, "playlist", NULL
);
604 mlt_properties properties
= mlt_playlist_properties( playlist
);
605 return mlt_properties_parse( properties
, name_value
);
608 char *miracle_unit_get( miracle_unit unit
, char *name
)
610 mlt_playlist playlist
= mlt_properties_get_data( unit
->properties
, "playlist", NULL
);
611 mlt_properties properties
= mlt_playlist_properties( playlist
);
612 return mlt_properties_get( properties
, name
);
618 \param unit A miracle_unit handle.
621 void miracle_unit_close( miracle_unit unit
)
625 miracle_log( LOG_DEBUG
, "closing unit..." );
626 if ( unit
->old_producers
!= NULL
)
627 mlt_properties_close( unit
->old_producers
);
628 mlt_properties_close( unit
->properties
);
629 mlt_properties_close( unit
->producers
);
631 miracle_log( LOG_DEBUG
, "... unit closed." );