research.m1stereo.tv/gitweb/ - melted/blob - src/modules/inigo/producer_inigo.c

   1 /*
   2  * producer_inigo.c -- simple inigo test case
   3  * Copyright (C) 2003-2004 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 "producer_inigo.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include <framework/mlt.h>
  28
  29 mlt_producer producer_inigo_file_init( char *file )
  30 {
  31         FILE *input = fopen( file, "r" );
  32         char **args = calloc( sizeof( char * ), 1000 );
  33         int count = 0;
  34         char temp[ 2048 ];
  35
  36         if ( input != NULL )
  37         {
  38                 while( fgets( temp, 2048, input ) )
  39                 {
  40                         temp[ strlen( temp ) - 1 ] = '\0';
  41                         if ( strcmp( temp, "" ) )
  42                                 args[ count ++ ] = strdup( temp );
  43                 }
  44         }
  45
  46         mlt_producer result = producer_inigo_init( args );
  47
  48         if ( result != NULL )
  49         {
  50                 mlt_properties properties = MLT_PRODUCER_PROPERTIES( result );
  51                 mlt_properties_set( properties, "resource", file );
  52         }
  53
  54         while( count -- )
  55                 free( args[ count ] );
  56         free( args );
  57
  58         return result;
  59 }
  60
  61 static void track_service( mlt_field field, void *service, mlt_destructor destructor )
  62 {
  63         mlt_properties properties = mlt_field_properties( field );
  64         int registered = mlt_properties_get_int( properties, "registered" );
  65         char *key = mlt_properties_get( properties, "registered" );
  66         mlt_properties_set_data( properties, key, service, 0, destructor, NULL );
  67         mlt_properties_set_int( properties, "registered", ++ registered );
  68 }
  69
  70 static mlt_producer create_producer( mlt_field field, char *file )
  71 {
  72         mlt_producer result = mlt_factory_producer( "fezzik", file );
  73
  74         if ( result != NULL )
  75                 track_service( field, result, ( mlt_destructor )mlt_producer_close );
  76
  77         return result;
  78 }
  79
  80 static mlt_filter create_attach( mlt_field field, char *id, int track )
  81 {
  82         char *temp = strdup( id );
  83         char *arg = strchr( temp, ':' );
  84         if ( arg != NULL )
  85                 *arg ++ = '\0';
  86         mlt_filter filter = mlt_factory_filter( temp, arg );
  87         if ( filter != NULL )
  88                 track_service( field, filter, ( mlt_destructor )mlt_filter_close );
  89         free( temp );
  90         return filter;
  91 }
  92
  93 static mlt_filter create_filter( mlt_field field, char *id, int track )
  94 {
  95         char *temp = strdup( id );
  96         char *arg = strchr( temp, ':' );
  97         if ( arg != NULL )
  98                 *arg ++ = '\0';
  99         mlt_filter filter = mlt_factory_filter( temp, arg );
 100         if ( filter != NULL )
 101         {
 102                 mlt_field_plant_filter( field, filter, track );
 103                 track_service( field, filter, ( mlt_destructor )mlt_filter_close );
 104         }
 105         free( temp );
 106         return filter;
 107 }
 108
 109 static mlt_transition create_transition( mlt_field field, char *id, int track )
 110 {
 111         char *arg = strchr( id, ':' );
 112         if ( arg != NULL )
 113                 *arg ++ = '\0';
 114         mlt_transition transition = mlt_factory_transition( id, arg );
 115         if ( transition != NULL )
 116         {
 117                 mlt_field_plant_transition( field, transition, track, track + 1 );
 118                 track_service( field, transition, ( mlt_destructor )mlt_transition_close );
 119         }
 120         return transition;
 121 }
 122
 123 mlt_producer producer_inigo_init( char **argv )
 124 {
 125         int i;
 126         int track = 0;
 127         mlt_producer producer = NULL;
 128         mlt_tractor mix = NULL;
 129         mlt_playlist playlist = mlt_playlist_init( );
 130         mlt_properties group = mlt_properties_new( );
 131         mlt_tractor tractor = mlt_tractor_new( );
 132         mlt_properties properties = MLT_TRACTOR_PROPERTIES( tractor );
 133         mlt_field field = mlt_tractor_field( tractor );
 134         mlt_properties field_properties = mlt_field_properties( field );
 135         mlt_multitrack multitrack = mlt_tractor_multitrack( tractor );
 136         char *title = NULL;
 137
 138         // We need to track the number of registered filters
 139         mlt_properties_set_int( field_properties, "registered", 0 );
 140
 141         // Parse the arguments
 142         for ( i = 0; argv[ i ] != NULL; i ++ )
 143         {
 144                 if ( !strcmp( argv[ i ], "-group" ) )
 145                 {
 146                         if ( mlt_properties_count( group ) != 0 )
 147                         {
 148                                 mlt_properties_close( group );
 149                                 group = mlt_properties_new( );
 150                         }
 151                         if ( group != NULL )
 152                                 properties = group;
 153                 }
 154                 else if ( !strcmp( argv[ i ], "-attach" ) ||
 155                                   !strcmp( argv[ i ], "-attach-cut" ) ||
 156                                   !strcmp( argv[ i ], "-attach-track" ) ||
 157                                   !strcmp( argv[ i ], "-attach-clip" ) )
 158                 {
 159                         int type = !strcmp( argv[ i ], "-attach" ) ? 0 :
 160                                            !strcmp( argv[ i ], "-attach-cut" ) ? 1 :
 161                                            !strcmp( argv[ i ], "-attach-track" ) ? 2 : 3;
 162                         mlt_filter filter = create_attach( field, argv[ ++ i ], track );
 163                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 164                         {
 165                                 mlt_playlist_clip_info info;
 166                                 mlt_playlist_append( playlist, producer );
 167                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 168                                 producer = info.cut;
 169                         }
 170
 171                         if ( type == 1 || type == 2 )
 172                         {
 173                                 mlt_playlist_clip_info info;
 174                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 175                                 producer = info.cut;
 176                         }
 177
 178                         if ( filter != NULL && mlt_playlist_count( playlist ) > 0 )
 179                         {
 180                                 if ( type == 0 )
 181                                         mlt_service_attach( ( mlt_service )properties, filter );
 182                                 else if ( type == 1 )
 183                                         mlt_service_attach( ( mlt_service )producer, filter );
 184                                 else if ( type == 2 )
 185                                         mlt_service_attach( ( mlt_service )playlist, filter );
 186                                 else if ( type == 3 )
 187                                         mlt_service_attach( ( mlt_service )mlt_producer_cut_parent( producer ), filter );
 188
 189                                 properties = MLT_FILTER_PROPERTIES( filter );
 190                                 mlt_properties_inherit( properties, group );
 191                         }
 192                         else if ( filter != NULL )
 193                         {
 194                                 mlt_service_attach( ( mlt_service )playlist, filter );
 195                                 properties = MLT_FILTER_PROPERTIES( filter );
 196                                 mlt_properties_inherit( properties, group );
 197                         }
 198                 }
 199                 else if ( !strcmp( argv[ i ], "-repeat" ) )
 200                 {
 201                         int repeat = atoi( argv[ ++ i ] );
 202                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 203                                 mlt_playlist_append( playlist, producer );
 204                         producer = NULL;
 205                         if ( mlt_playlist_count( playlist ) > 0 )
 206                         {
 207                                 mlt_playlist_clip_info info;
 208                                 mlt_playlist_repeat_clip( playlist, mlt_playlist_count( playlist ) - 1, repeat );
 209                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 210                                 producer = info.cut;
 211                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 212                         }
 213                 }
 214                 else if ( !strcmp( argv[ i ], "-split" ) )
 215                 {
 216                         int split = atoi( argv[ ++ i ] );
 217                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 218                                 mlt_playlist_append( playlist, producer );
 219                         producer = NULL;
 220                         if ( mlt_playlist_count( playlist ) > 0 )
 221                         {
 222                                 mlt_playlist_clip_info info;
 223                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 224                                 split = split < 0 ? info.frame_out + split : split;
 225                                 mlt_playlist_split( playlist, mlt_playlist_count( playlist ) - 1, split );
 226                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 227                                 producer = info.cut;
 228                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 229                         }
 230                 }
 231                 else if ( !strcmp( argv[ i ], "-swap" ) )
 232                 {
 233                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 234                                 mlt_playlist_append( playlist, producer );
 235                         producer = NULL;
 236                         if ( mlt_playlist_count( playlist ) >= 2 )
 237                         {
 238                                 mlt_playlist_clip_info info;
 239                                 mlt_playlist_move( playlist, mlt_playlist_count( playlist ) - 2, mlt_playlist_count( playlist ) - 1 );
 240                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 241                                 producer = info.cut;
 242                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 243                         }
 244                 }
 245                 else if ( !strcmp( argv[ i ], "-join" ) )
 246                 {
 247                         int clips = atoi( argv[ ++ i ] );
 248                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 249                                 mlt_playlist_append( playlist, producer );
 250                         producer = NULL;
 251                         if ( mlt_playlist_count( playlist ) > 0 )
 252                         {
 253                                 mlt_playlist_clip_info info;
 254                                 mlt_playlist_join( playlist, mlt_playlist_count( playlist ) - clips - 1, clips, 0 );
 255                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 256                                 producer = info.cut;
 257                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 258                         }
 259                 }
 260                 else if ( !strcmp( argv[ i ], "-remove" ) )
 261                 {
 262                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 263                                 mlt_playlist_append( playlist, producer );
 264                         producer = NULL;
 265                         if ( mlt_playlist_count( playlist ) > 0 )
 266                         {
 267                                 mlt_playlist_clip_info info;
 268                                 mlt_playlist_remove( playlist, mlt_playlist_count( playlist ) - 1 );
 269                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 270                                 producer = info.cut;
 271                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 272                         }
 273                 }
 274                 else if ( !strcmp( argv[ i ], "-mix" ) )
 275                 {
 276                         int length = atoi( argv[ ++ i ] );
 277                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 278                                 mlt_playlist_append( playlist, producer );
 279                         producer = NULL;
 280                         if ( mlt_playlist_count( playlist ) >= 2 )
 281                         {
 282                                 if ( mlt_playlist_mix( playlist, mlt_playlist_count( playlist ) - 2, length, NULL ) == 0 )
 283                                 {
 284                                         mlt_playlist_clip_info info;
 285                                         mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 286                                         if ( mlt_properties_get_data( ( mlt_properties )info.producer, "mlt_mix", NULL ) == NULL )
 287                                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 2 );
 288                                         mix = ( mlt_tractor )mlt_properties_get_data( ( mlt_properties )info.producer, "mlt_mix", NULL );
 289                                         properties = NULL;
 290                                 }
 291                                 else
 292                                 {
 293                                         fprintf( stderr, "Mix failed?\n" );
 294                                 }
 295                         }
 296                         else
 297                         {
 298                                 fprintf( stderr, "Invalid position for a mix...\n" );
 299                         }
 300                 }
 301                 else if ( !strcmp( argv[ i ], "-mixer" ) )
 302                 {
 303                         if ( mix != NULL )
 304                         {
 305                                 char *id = strdup( argv[ ++ i ] );
 306                                 char *arg = strchr( id, ':' );
 307                                 mlt_field field = mlt_tractor_field( mix );
 308                                 mlt_transition transition = NULL;
 309                                 if ( arg != NULL )
 310                                         *arg ++ = '\0';
 311                                 transition = mlt_factory_transition( id, arg );
 312                                 if ( transition != NULL )
 313                                 {
 314                                         properties = MLT_TRANSITION_PROPERTIES( transition );
 315                                         mlt_properties_inherit( properties, group );
 316                                         mlt_field_plant_transition( field, transition, 0, 1 );
 317                                         mlt_properties_set_position( properties, "in", 0 );
 318                                         mlt_properties_set_position( properties, "out", mlt_producer_get_out( ( mlt_producer )mix ) );
 319                                         mlt_transition_close( transition );
 320                                 }
 321                                 free( id );
 322                         }
 323                         else
 324                         {
 325                                 fprintf( stderr, "Invalid mixer...\n" );
 326                         }
 327                 }
 328                 else if ( !strcmp( argv[ i ], "-filter" ) )
 329                 {
 330                         mlt_filter filter = create_filter( field, argv[ ++ i ], track );
 331                         if ( filter != NULL )
 332                         {
 333                                 properties = MLT_FILTER_PROPERTIES( filter );
 334                                 mlt_properties_inherit( properties, group );
 335                         }
 336                 }
 337                 else if ( !strcmp( argv[ i ], "-transition" ) )
 338                 {
 339                         mlt_transition transition = create_transition( field, argv[ ++ i ], track - 1 );
 340                         if ( transition != NULL )
 341                         {
 342                                 properties = MLT_TRANSITION_PROPERTIES( transition );
 343                                 mlt_properties_inherit( properties, group );
 344                         }
 345                 }
 346                 else if ( !strcmp( argv[ i ], "-blank" ) )
 347                 {
 348                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 349                                 mlt_playlist_append( playlist, producer );
 350                         producer = NULL;
 351                         mlt_playlist_blank( playlist, atof( argv[ ++ i ] ) );
 352                 }
 353                 else if ( !strcmp( argv[ i ], "-track" ) ||
 354                                   !strcmp( argv[ i ], "-null-track" ) ||
 355                                   !strcmp( argv[ i ], "-video-track" ) ||
 356                                   !strcmp( argv[ i ], "-audio-track" ) ||
 357                                   !strcmp( argv[ i ], "-hide-track" ) ||
 358                                   !strcmp( argv[ i ], "-hide-video" ) ||
 359                                   !strcmp( argv[ i ], "-hide-audio" ) )
 360                 {
 361                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 362                                 mlt_playlist_append( playlist, producer );
 363                         producer = NULL;
 364                         if ( mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( playlist ) ) > 0 )
 365                         {
 366                                 mlt_multitrack_connect( multitrack, MLT_PLAYLIST_PRODUCER( playlist ), track ++ );
 367                                 track_service( field, playlist, ( mlt_destructor )mlt_playlist_close );
 368                                 playlist = mlt_playlist_init( );
 369                         }
 370                         if ( playlist != NULL )
 371                         {
 372                                 properties = MLT_PLAYLIST_PROPERTIES( playlist );
 373                                 if ( !strcmp( argv[ i ], "-null-track" ) || !strcmp( argv[ i ], "-hide-track" ) )
 374                                         mlt_properties_set_int( properties, "hide", 3 );
 375                                 else if ( !strcmp( argv[ i ], "-audio-track" ) || !strcmp( argv[ i ], "-hide-video" ) )
 376                                         mlt_properties_set_int( properties, "hide", 1 );
 377                                 else if ( !strcmp( argv[ i ], "-video-track" ) || !strcmp( argv[ i ], "-hide-audio" ) )
 378                                         mlt_properties_set_int( properties, "hide", 2 );
 379                         }
 380                 }
 381                 else if ( strchr( argv[ i ], '=' ) && strstr( argv[ i ], "<?xml" ) != argv[ i ] )
 382                 {
 383                         mlt_properties_parse( properties, argv[ i ] );
 384                 }
 385                 else if ( argv[ i ][ 0 ] != '-' )
 386                 {
 387                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 388                                 mlt_playlist_append( playlist, producer );
 389                         if ( title == NULL && strstr( argv[ i ], "<?xml" ) != argv[ i ] )
 390                                 title = argv[ i ];
 391                         producer = create_producer( field, argv[ i ] );
 392                         if ( producer != NULL )
 393                         {
 394                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 395                                 mlt_properties_inherit( properties, group );
 396                         }
 397                 }
 398                 else
 399                 {
 400                         if ( !strcmp( argv[ i ], "-serialise" ) )
 401                                 i += 2;
 402                         else if ( !strcmp( argv[ i ], "-consumer" ) )
 403                                 i += 2;
 404
 405                         while ( argv[ i ] != NULL && strchr( argv[ i ], '=' ) )
 406                                 i ++;
 407
 408                         i --;
 409                 }
 410         }
 411
 412         // Connect last producer to playlist
 413         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 414                 mlt_playlist_append( playlist, producer );
 415
 416         // Track the last playlist too
 417         track_service( field, playlist, ( mlt_destructor )mlt_playlist_close );
 418
 419         // We must have a playlist to connect
 420         if ( mlt_playlist_count( playlist ) > 0 )
 421                 mlt_multitrack_connect( multitrack, MLT_PLAYLIST_PRODUCER( playlist ), track );
 422
 423         mlt_producer prod = MLT_TRACTOR_PRODUCER( tractor );
 424         mlt_producer_optimise( prod );
 425         mlt_properties props = MLT_TRACTOR_PROPERTIES( tractor );
 426         mlt_properties_set_data( props, "group", group, 0, ( mlt_destructor )mlt_properties_close, NULL );
 427         mlt_properties_set_position( props, "length", mlt_producer_get_out( MLT_MULTITRACK_PRODUCER( multitrack ) ) + 1 );
 428         mlt_producer_set_in_and_out( prod, 0, mlt_producer_get_out( MLT_MULTITRACK_PRODUCER( multitrack ) ) );
 429         mlt_properties_set_double( props, "fps", mlt_producer_get_fps( MLT_MULTITRACK_PRODUCER( multitrack ) ) );
 430         if ( title != NULL )
 431                 mlt_properties_set( props, "title", strchr( title, '/' ) ? strrchr( title, '/' ) + 1 : title );
 432
 433         return prod;
 434 }