git.sesse.net Git - mlt/blob - src/melt/melt.c

   1 /*
   2  * inigo.c -- MLT command line utility
   3  * Copyright (C) 2002-2008 Ushodaya Enterprises Limited
   4  * Author: Charles Yates <charles.yates@pandora.be>
   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 <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <sched.h>
  25
  26 #include <framework/mlt.h>
  27
  28 #ifdef __DARWIN__
  29 #include <SDL.h>
  30 #endif
  31
  32 #include "io.h"
  33
  34 static void transport_action( mlt_producer producer, char *value )
  35 {
  36         mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
  37         mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
  38         mlt_consumer consumer = mlt_properties_get_data( properties, "transport_consumer", NULL );
  39
  40         mlt_properties_set_int( properties, "stats_off", 1 );
  41
  42         if ( strlen( value ) == 1 )
  43         {
  44                 switch( value[ 0 ] )
  45                 {
  46                         case 'q':
  47                                 mlt_properties_set_int( properties, "done", 1 );
  48                                 break;
  49                         case '0':
  50                                 mlt_producer_set_speed( producer, 1 );
  51                                 mlt_producer_seek( producer, 0 );
  52                                 break;
  53                         case '1':
  54                                 mlt_producer_set_speed( producer, -10 );
  55                                 break;
  56                         case '2':
  57                                 mlt_producer_set_speed( producer, -5 );
  58                                 break;
  59                         case '3':
  60                                 mlt_producer_set_speed( producer, -2 );
  61                                 break;
  62                         case '4':
  63                                 mlt_producer_set_speed( producer, -1 );
  64                                 break;
  65                         case '5':
  66                                 mlt_producer_set_speed( producer, 0 );
  67                                 break;
  68                         case '6':
  69                         case ' ':
  70                                 mlt_producer_set_speed( producer, 1 );
  71                                 break;
  72                         case '7':
  73                                 mlt_producer_set_speed( producer, 2 );
  74                                 break;
  75                         case '8':
  76                                 mlt_producer_set_speed( producer, 5 );
  77                                 break;
  78                         case '9':
  79                                 mlt_producer_set_speed( producer, 10 );
  80                                 break;
  81                         case 'd':
  82                                 if ( multitrack != NULL )
  83                                 {
  84                                         int i = 0;
  85                                         mlt_position last = -1;
  86                                         fprintf( stderr, "\n" );
  87                                         for ( i = 0; 1; i ++ )
  88                                         {
  89                                                 mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_start, i );
  90                                                 if ( time == last )
  91                                                         break;
  92                                                 last = time;
  93                                                 fprintf( stderr, "%d: %d\n", i, (int)time );
  94                                         }
  95                                 }
  96                                 break;
  97
  98                         case 'g':
  99                                 if ( multitrack != NULL )
 100                                 {
 101                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
 102                                         mlt_producer_seek( producer, time );
 103                                 }
 104                                 break;
 105                         case 'H':
 106                                 if ( producer != NULL )
 107                                 {
 108                                         mlt_position position = mlt_producer_position( producer );
 109                                         mlt_producer_seek( producer, position - ( mlt_producer_get_fps( producer ) * 60 ) );
 110                                 }
 111                                 break;
 112                         case 'h':
 113                                 if ( producer != NULL )
 114                                 {
 115                                         mlt_position position = mlt_producer_position( producer );
 116                                         mlt_producer_set_speed( producer, 0 );
 117                                         mlt_producer_seek( producer, position - 1 );
 118                                 }
 119                                 break;
 120                         case 'j':
 121                                 if ( multitrack != NULL )
 122                                 {
 123                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
 124                                         mlt_producer_seek( producer, time );
 125                                 }
 126                                 break;
 127                         case 'k':
 128                                 if ( multitrack != NULL )
 129                                 {
 130                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
 131                                         mlt_producer_seek( producer, time );
 132                                 }
 133                                 break;
 134                         case 'l':
 135                                 if ( producer != NULL )
 136                                 {
 137                                         mlt_position position = mlt_producer_position( producer );
 138                                         if ( mlt_producer_get_speed( producer ) != 0 )
 139                                                 mlt_producer_set_speed( producer, 0 );
 140                                         else
 141                                                 mlt_producer_seek( producer, position + 1 );
 142                                 }
 143                                 break;
 144                         case 'L':
 145                                 if ( producer != NULL )
 146                                 {
 147                                         mlt_position position = mlt_producer_position( producer );
 148                                         mlt_producer_seek( producer, position + ( mlt_producer_get_fps( producer ) * 60 ) );
 149                                 }
 150                                 break;
 151                 }
 152
 153                 mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "refresh", 1 );
 154         }
 155
 156         mlt_properties_set_int( properties, "stats_off", 0 );
 157 }
 158
 159 static mlt_consumer create_consumer( mlt_profile profile, char *id )
 160 {
 161         char *arg = id != NULL ? strchr( id, ':' ) : NULL;
 162         if ( arg != NULL )
 163                 *arg ++ = '\0';
 164         mlt_consumer consumer = mlt_factory_consumer( profile, id, arg );
 165         if ( consumer != NULL )
 166         {
 167                 mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 168                 mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
 169         }
 170         return consumer;
 171 }
 172
 173 #ifdef __DARWIN__
 174
 175 static void event_handling( mlt_producer producer, mlt_consumer consumer )
 176 {
 177         SDL_Event event;
 178
 179         while ( SDL_PollEvent( &event ) )
 180         {
 181                 switch( event.type )
 182                 {
 183                         case SDL_QUIT:
 184                                 mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( consumer ), "done", 1 );
 185                                 break;
 186
 187                         case SDL_KEYDOWN:
 188                                 if ( event.key.keysym.unicode < 0x80 && event.key.keysym.unicode > 0 )
 189                                 {
 190                                         char keyboard[ 2 ] = { event.key.keysym.unicode, 0 };
 191                                         transport_action( producer, keyboard );
 192                                 }
 193                                 break;
 194                 }
 195         }
 196 }
 197
 198 #endif
 199
 200 static void transport( mlt_producer producer, mlt_consumer consumer )
 201 {
 202         mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
 203         int silent = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "silent" );
 204         int progress = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "progress" );
 205         struct timespec tm = { 0, 40000 };
 206         int total_length = mlt_producer_get_length( producer );
 207         int last_position = 0;
 208
 209         if ( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
 210         {
 211                 if ( !silent && !progress )
 212                 {
 213                         term_init( );
 214
 215                         fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
 216                         fprintf( stderr, "|1=-10| |2= -5| |3= -2| |4= -1| |5=  0| |6=  1| |7=  2| |8=  5| |9= 10|\n" );
 217                         fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
 218
 219                         fprintf( stderr, "+---------------------------------------------------------------------+\n" );
 220                         fprintf( stderr, "|               H = back 1 minute,  L = forward 1 minute              |\n" );
 221                         fprintf( stderr, "|                 h = previous frame,  l = next frame                 |\n" );
 222                         fprintf( stderr, "|           g = start of clip, j = next clip, k = previous clip       |\n" );
 223                         fprintf( stderr, "|                0 = restart, q = quit, space = play                  |\n" );
 224                         fprintf( stderr, "+---------------------------------------------------------------------+\n" );
 225                 }
 226
 227                 while( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
 228                 {
 229                         int value = ( silent || progress )? -1 : term_read( );
 230
 231                         if ( value != -1 )
 232                         {
 233                                 char string[ 2 ] = { value, 0 };
 234                                 transport_action( producer, string );
 235                         }
 236
 237 #ifdef __DARWIN__
 238                         event_handling( producer, consumer );
 239 #endif
 240
 241                         if ( !silent && mlt_properties_get_int( properties, "stats_off" ) == 0 )
 242                         {
 243                                 if ( progress )
 244                                 {
 245                                         int current_position = mlt_producer_position( producer );
 246                                         if ( current_position > last_position )
 247                                         {
 248                                                 fprintf( stderr, "Current Frame: %10d, percentage: %10d\r",
 249                                                         current_position, 100 * current_position / total_length );
 250                                                 last_position = current_position;
 251                                         }
 252                                 }
 253                                 else
 254                                 {
 255                                         fprintf( stderr, "Current Position: %10d\r", (int)mlt_producer_position( producer ) );
 256                                 }
 257                         }
 258
 259                         if ( silent )
 260                                 nanosleep( &tm, NULL );
 261                 }
 262
 263                 if ( !silent )
 264                         fprintf( stderr, "\n" );
 265         }
 266 }
 267
 268 static void query_metadata( mlt_repository repo, mlt_service_type type, const char *typestr, char *id )
 269 {
 270         mlt_properties metadata = mlt_repository_metadata( repo, type, id );
 271         if ( metadata )
 272         {
 273                 char *s = mlt_properties_serialise_yaml( metadata );
 274                 fprintf( stderr, "%s", s );
 275                 free( s );
 276         }
 277         else
 278         {
 279                 fprintf( stderr, "# No metadata for %s \"%s\"\n", typestr, id );
 280         }
 281 }
 282
 283 static void query_services( mlt_repository repo, mlt_service_type type )
 284 {
 285         mlt_properties services = NULL;
 286         const char *typestr = NULL;
 287         switch ( type )
 288         {
 289                 case consumer_type:
 290                         services = mlt_repository_consumers( repo );
 291                         typestr = "consumers";
 292                         break;
 293                 case filter_type:
 294                         services = mlt_repository_filters( repo );
 295                         typestr = "filters";
 296                         break;
 297                 case producer_type:
 298                         services = mlt_repository_producers( repo );
 299                         typestr = "producers";
 300                         break;
 301                 case transition_type:
 302                         services = mlt_repository_transitions( repo );
 303                         typestr = "transitions";
 304                         break;
 305                 default:
 306                         return;
 307         }
 308         fprintf( stderr, "---\n%s:\n", typestr );
 309         if ( services )
 310         {
 311                 int j;
 312                 for ( j = 0; j < mlt_properties_count( services ); j++ )
 313                         fprintf( stderr, "  - %s\n", mlt_properties_get_name( services, j ) );
 314         }
 315         fprintf( stderr, "...\n" );
 316 }
 317
 318 int main( int argc, char **argv )
 319 {
 320         int i;
 321         mlt_consumer consumer = NULL;
 322         mlt_producer inigo = NULL;
 323         FILE *store = NULL;
 324         char *name = NULL;
 325         mlt_profile profile = NULL;
 326         int is_progress = 0;
 327         int is_silent = 0;
 328
 329         // Construct the factory
 330         mlt_repository repo = mlt_factory_init( NULL );
 331
 332         for ( i = 1; i < argc; i ++ )
 333         {
 334                 // Check for serialisation switch
 335                 if ( !strcmp( argv[ i ], "-serialise" ) )
 336                 {
 337                         name = argv[ ++ i ];
 338                         if ( name != NULL && strstr( name, ".inigo" ) )
 339                                 store = fopen( name, "w" );
 340                         else
 341                         {
 342                                 if ( name == NULL || name[0] == '-' )
 343                                         store = stdout;
 344                                 name = NULL;
 345                         }
 346                 }
 347                 // Look for the profile option
 348                 else if ( !strcmp( argv[ i ], "-profile" ) )
 349                 {
 350                         const char *pname = argv[ ++ i ];
 351                         if ( pname && pname[0] != '-' )
 352                                 profile = mlt_profile_init( pname );
 353                 }
 354                 else if ( !strcmp( argv[ i ], "-progress" ) )
 355                 {
 356                         is_progress = 1;
 357                 }
 358                 // Look for the query option
 359                 else if ( !strcmp( argv[ i ], "-query" ) )
 360                 {
 361                         const char *pname = argv[ ++ i ];
 362                         if ( pname && pname[0] != '-' )
 363                         {
 364                                 if ( !strcmp( pname, "consumers" ) || !strcmp( pname, "consumer" ) )
 365                                         query_services( repo, consumer_type );
 366                                 else if ( !strcmp( pname, "filters" ) || !strcmp( pname, "filter" ) )
 367                                         query_services( repo, filter_type );
 368                                 else if ( !strcmp( pname, "producers" ) || !strcmp( pname, "producer" ) )
 369                                         query_services( repo, producer_type );
 370                                 else if ( !strcmp( pname, "transitions" ) || !strcmp( pname, "transition" ) )
 371                                         query_services( repo, transition_type );
 372
 373                                 else if ( !strncmp( pname, "consumer=", 9 ) )
 374                                         query_metadata( repo, consumer_type, "consumer", strchr( pname, '=' ) + 1 );
 375                                 else if ( !strncmp( pname, "filter=", 7 ) )
 376                                         query_metadata( repo, filter_type, "filter", strchr( pname, '=' ) + 1 );
 377                                 else if ( !strncmp( pname, "producer=", 9 ) )
 378                                         query_metadata( repo, producer_type, "producer", strchr( pname, '=' ) + 1 );
 379                                 else if ( !strncmp( pname, "transition=", 11 ) )
 380                                         query_metadata( repo, transition_type, "transition", strchr( pname, '=' ) + 1 );
 381                                 else
 382                                         goto query_all;
 383                         }
 384                         else
 385                         {
 386 query_all:
 387                                 query_services( repo, consumer_type );
 388                                 query_services( repo, filter_type );
 389                                 query_services( repo, producer_type );
 390                                 query_services( repo, transition_type );
 391                                 fprintf( stderr, "# You can query the metadata for a specific service using:\n"
 392                                         "# -query <type>=<identifer>\n"
 393                                         "# where <type> is one of: consumer, filter, producer, or transition.\n" );
 394                         }
 395                         goto exit_factory;
 396                 }
 397                 else if ( !strcmp( argv[ i ], "-silent" ) )
 398                 {
 399                         is_silent = 1;
 400                 }
 401                 else if ( !strcmp( argv[ i ], "-verbose" ) )
 402                 {
 403                         mlt_log_set_level( MLT_LOG_VERBOSE );
 404                 }
 405                 else if ( !strcmp( argv[ i ], "-version" ) || !strcmp( argv[ i ], "--version" ) )
 406                 {
 407                         fprintf( stderr, "MLT inigo " VERSION "\n"
 408                                 "Copyright (C) 2002-2008 Ushodaya Enterprises Limited\n"
 409                                 "<http://www.mltframework.org/>\n"
 410                                 "This is free software; see the source for copying conditions.  There is NO\n"
 411                                 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
 412                         );
 413                         goto exit_factory;
 414                 }
 415                 else if ( !strcmp( argv[ i ], "-debug" ) )
 416                 {
 417                         mlt_log_set_level( MLT_LOG_DEBUG );
 418                 }
 419         }
 420
 421         // Create profile if not set explicitly
 422         if ( profile == NULL )
 423                 profile = mlt_profile_init( NULL );
 424
 425         // Look for the consumer option
 426         for ( i = 1; i < argc; i ++ )
 427         {
 428                 if ( !strcmp( argv[ i ], "-consumer" ) )
 429                 {
 430                         consumer = create_consumer( profile, argv[ ++ i ] );
 431                         if ( consumer )
 432                         {
 433                                 mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 434                                 while ( argv[ i + 1 ] != NULL && strstr( argv[ i + 1 ], "=" ) )
 435                                         mlt_properties_parse( properties, argv[ ++ i ] );
 436                         }
 437                 }
 438         }
 439
 440         // If we have no consumer, default to sdl
 441         if ( store == NULL && consumer == NULL )
 442                 consumer = create_consumer( profile, NULL );
 443
 444         // Get inigo producer
 445         if ( argc > 1 )
 446                 inigo = mlt_factory_producer( profile, "inigo", &argv[ 1 ] );
 447
 448         // Set transport properties on consumer and produder
 449         if ( consumer != NULL && inigo != NULL )
 450         {
 451                 mlt_properties_set_data( MLT_CONSUMER_PROPERTIES( consumer ), "transport_producer", inigo, 0, NULL, NULL );
 452                 mlt_properties_set_data( MLT_PRODUCER_PROPERTIES( inigo ), "transport_consumer", consumer, 0, NULL, NULL );
 453                 if ( is_progress )
 454                         mlt_properties_set_int(  MLT_CONSUMER_PROPERTIES( consumer ), "progress", is_progress );
 455                 if ( is_silent )
 456                         mlt_properties_set_int(  MLT_CONSUMER_PROPERTIES( consumer ), "silent", is_silent );
 457         }
 458
 459         if ( argc > 1 && inigo != NULL && mlt_producer_get_length( inigo ) > 0 )
 460         {
 461                 // Parse the arguments
 462                 for ( i = 1; i < argc; i ++ )
 463                 {
 464                         if ( !strcmp( argv[ i ], "-serialise" ) )
 465                         {
 466                                 if ( store != stdout )
 467                                         i ++;
 468                         }
 469                         else
 470                         {
 471                                 if ( store != NULL )
 472                                         fprintf( store, "%s\n", argv[ i ] );
 473
 474                                 i ++;
 475
 476                                 while ( argv[ i ] != NULL && argv[ i ][ 0 ] != '-' )
 477                                 {
 478                                         if ( store != NULL )
 479                                                 fprintf( store, "%s\n", argv[ i ] );
 480                                         i += 1;
 481                                 }
 482
 483                                 i --;
 484                         }
 485                 }
 486
 487                 if ( consumer != NULL && store == NULL )
 488                 {
 489                         // Get inigo's properties
 490                         mlt_properties inigo_props = MLT_PRODUCER_PROPERTIES( inigo );
 491
 492                         // Get the last group
 493                         mlt_properties group = mlt_properties_get_data( inigo_props, "group", 0 );
 494
 495                         // Apply group settings
 496                         mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
 497                         mlt_properties_inherit( properties, group );
 498
 499                         // Connect consumer to inigo
 500                         mlt_consumer_connect( consumer, MLT_PRODUCER_SERVICE( inigo ) );
 501
 502                         // Start the consumer
 503                         mlt_consumer_start( consumer );
 504
 505                         // Transport functionality
 506                         transport( inigo, consumer );
 507
 508                         // Stop the consumer
 509                         mlt_consumer_stop( consumer );
 510                 }
 511                 else if ( store != NULL && store != stdout && name != NULL )
 512                 {
 513                         fprintf( stderr, "Project saved as %s.\n", name );
 514                         fclose( store );
 515                 }
 516         }
 517         else
 518         {
 519                 fprintf( stderr,
 520 "Usage: inigo [options] [producer [name=value]* ]+\n"
 521 "Options:\n"
 522 "  -attach filter[:arg] [name=value]*       Attach a filter to the output\n"
 523 "  -attach-cut filter[:arg] [name=value]*   Attach a filter to a cut\n"
 524 "  -attach-track filter[:arg] [name=value]* Attach a filter to a track\n"
 525 "  -attach-clip filter[:arg] [name=value]*  Attach a filter to a producer\n"
 526 "  -audio-track | -hide-video               Add an audio-only track\n"
 527 "  -blank frames                            Add blank silence to a track\n"
 528 "  -consumer id[:arg] [name=value]*         Set the consumer (sink)\n"
 529 "  -debug                                   Set the logging level to debug\n"
 530 "  -filter filter[:arg] [name=value]*       Add a filter to the current track\n"
 531 "  -group [name=value]*                     Apply properties repeatedly\n"
 532 "  -help                                    Show this message\n"
 533 "  -join clips                              Join multiple clips into one cut\n"
 534 "  -mix length                              Add a mix between the last two cuts\n"
 535 "  -mixer transition                        Add a transition to the mix\n"
 536 "  -null-track | -hide-track                Add a hidden track\n"
 537 "  -profile name                            Set the processing settings\n"
 538 "  -progress                                Display progress along with position\n"
 539 "  -remove                                  Remove the most recent cut\n"
 540 "  -repeat times                            Repeat the last cut\n"
 541 "  -query                                   List all of the registered services\n"
 542 "  -query \"consumers\" | \"consumer\"=id       List consumers or show info about one\n"
 543 "  -query \"filters\" | \"filter\"=id           List filters or show info about one\n"
 544 "  -query \"producers\" | \"producer\"=id       List producers or show info about one\n"
 545 "  -query \"transitions\" | \"transition\"=id   List transitions, show info about one\n"
 546 "  -serialise [filename]                    Write the commands to a text file\n"
 547 "  -silent                                  Do not display position/transport\n"
 548 "  -split relative-frame                    Split the last cut into two cuts\n"
 549 "  -swap                                    Rearrange the last two cuts\n"
 550 "  -track                                   Add a track\n"
 551 "  -transition id[:arg] [name=value]*       Add a transition\n"
 552 "  -verbose                                 Set the logging level to verbose\n"
 553 "  -version                                 Show the version and copyright\n"
 554 "  -video-track | -hide-audio               Add a video-only track\n"
 555 "For more help: <http://www.mltframework.org/>\n" );
 556         }
 557
 558         // Close the consumer
 559         if ( consumer != NULL )
 560                 mlt_consumer_close( consumer );
 561
 562         // Close the producer
 563         if ( inigo != NULL )
 564                 mlt_producer_close( inigo );
 565
 566         // Close the factory
 567         mlt_profile_close( profile );
 568
 569 exit_factory:
 570
 571         mlt_factory_close( );
 572
 573         return 0;
 574 }