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                                 int clip = clips <= 0 ? 0 : mlt_playlist_count( playlist ) - clips - 1;
 255                                 if ( clip < 0 ) clip = 0;
 256                                 if ( clip >= mlt_playlist_count( playlist ) ) clip = mlt_playlist_count( playlist ) - 2;
 257                                 if ( clips < 0 ) clips =  mlt_playlist_count( playlist ) - 1;
 258                                 mlt_playlist_join( playlist, clip, clips, 0 );
 259                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 260                                 producer = info.cut;
 261                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 262                         }
 263                 }
 264                 else if ( !strcmp( argv[ i ], "-remove" ) )
 265                 {
 266                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 267                                 mlt_playlist_append( playlist, producer );
 268                         producer = NULL;
 269                         if ( mlt_playlist_count( playlist ) > 0 )
 270                         {
 271                                 mlt_playlist_clip_info info;
 272                                 mlt_playlist_remove( playlist, mlt_playlist_count( playlist ) - 1 );
 273                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 274                                 producer = info.cut;
 275                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 276                         }
 277                 }
 278                 else if ( !strcmp( argv[ i ], "-mix" ) )
 279                 {
 280                         int length = atoi( argv[ ++ i ] );
 281                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 282                                 mlt_playlist_append( playlist, producer );
 283                         producer = NULL;
 284                         if ( mlt_playlist_count( playlist ) >= 2 )
 285                         {
 286                                 if ( mlt_playlist_mix( playlist, mlt_playlist_count( playlist ) - 2, length, NULL ) == 0 )
 287                                 {
 288                                         mlt_playlist_clip_info info;
 289                                         mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
 290                                         if ( mlt_properties_get_data( ( mlt_properties )info.producer, "mlt_mix", NULL ) == NULL )
 291                                                 mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 2 );
 292                                         mix = ( mlt_tractor )mlt_properties_get_data( ( mlt_properties )info.producer, "mlt_mix", NULL );
 293                                         properties = NULL;
 294                                 }
 295                                 else
 296                                 {
 297                                         fprintf( stderr, "Mix failed?\n" );
 298                                 }
 299                         }
 300                         else
 301                         {
 302                                 fprintf( stderr, "Invalid position for a mix...\n" );
 303                         }
 304                 }
 305                 else if ( !strcmp( argv[ i ], "-mixer" ) )
 306                 {
 307                         if ( mix != NULL )
 308                         {
 309                                 char *id = strdup( argv[ ++ i ] );
 310                                 char *arg = strchr( id, ':' );
 311                                 mlt_field field = mlt_tractor_field( mix );
 312                                 mlt_transition transition = NULL;
 313                                 if ( arg != NULL )
 314                                         *arg ++ = '\0';
 315                                 transition = mlt_factory_transition( id, arg );
 316                                 if ( transition != NULL )
 317                                 {
 318                                         properties = MLT_TRANSITION_PROPERTIES( transition );
 319                                         mlt_properties_inherit( properties, group );
 320                                         mlt_field_plant_transition( field, transition, 0, 1 );
 321                                         mlt_properties_set_position( properties, "in", 0 );
 322                                         mlt_properties_set_position( properties, "out", mlt_producer_get_out( ( mlt_producer )mix ) );
 323                                         mlt_transition_close( transition );
 324                                 }
 325                                 free( id );
 326                         }
 327                         else
 328                         {
 329                                 fprintf( stderr, "Invalid mixer...\n" );
 330                         }
 331                 }
 332                 else if ( !strcmp( argv[ i ], "-filter" ) )
 333                 {
 334                         mlt_filter filter = create_filter( field, argv[ ++ i ], track );
 335                         if ( filter != NULL )
 336                         {
 337                                 properties = MLT_FILTER_PROPERTIES( filter );
 338                                 mlt_properties_inherit( properties, group );
 339                         }
 340                 }
 341                 else if ( !strcmp( argv[ i ], "-transition" ) )
 342                 {
 343                         mlt_transition transition = create_transition( field, argv[ ++ i ], track - 1 );
 344                         if ( transition != NULL )
 345                         {
 346                                 properties = MLT_TRANSITION_PROPERTIES( transition );
 347                                 mlt_properties_inherit( properties, group );
 348                         }
 349                 }
 350                 else if ( !strcmp( argv[ i ], "-blank" ) )
 351                 {
 352                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 353                                 mlt_playlist_append( playlist, producer );
 354                         producer = NULL;
 355                         mlt_playlist_blank( playlist, atof( argv[ ++ i ] ) );
 356                 }
 357                 else if ( !strcmp( argv[ i ], "-track" ) ||
 358                                   !strcmp( argv[ i ], "-null-track" ) ||
 359                                   !strcmp( argv[ i ], "-video-track" ) ||
 360                                   !strcmp( argv[ i ], "-audio-track" ) ||
 361                                   !strcmp( argv[ i ], "-hide-track" ) ||
 362                                   !strcmp( argv[ i ], "-hide-video" ) ||
 363                                   !strcmp( argv[ i ], "-hide-audio" ) )
 364                 {
 365                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 366                                 mlt_playlist_append( playlist, producer );
 367                         producer = NULL;
 368                         if ( mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( playlist ) ) > 0 )
 369                         {
 370                                 mlt_multitrack_connect( multitrack, MLT_PLAYLIST_PRODUCER( playlist ), track ++ );
 371                                 track_service( field, playlist, ( mlt_destructor )mlt_playlist_close );
 372                                 playlist = mlt_playlist_init( );
 373                         }
 374                         if ( playlist != NULL )
 375                         {
 376                                 properties = MLT_PLAYLIST_PROPERTIES( playlist );
 377                                 if ( !strcmp( argv[ i ], "-null-track" ) || !strcmp( argv[ i ], "-hide-track" ) )
 378                                         mlt_properties_set_int( properties, "hide", 3 );
 379                                 else if ( !strcmp( argv[ i ], "-audio-track" ) || !strcmp( argv[ i ], "-hide-video" ) )
 380                                         mlt_properties_set_int( properties, "hide", 1 );
 381                                 else if ( !strcmp( argv[ i ], "-video-track" ) || !strcmp( argv[ i ], "-hide-audio" ) )
 382                                         mlt_properties_set_int( properties, "hide", 2 );
 383                         }
 384                 }
 385                 else if ( strchr( argv[ i ], '=' ) && strstr( argv[ i ], "<?xml" ) != argv[ i ] )
 386                 {
 387                         mlt_properties_parse( properties, argv[ i ] );
 388                 }
 389                 else if ( argv[ i ][ 0 ] != '-' )
 390                 {
 391                         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 392                                 mlt_playlist_append( playlist, producer );
 393                         if ( title == NULL && strstr( argv[ i ], "<?xml" ) != argv[ i ] )
 394                                 title = argv[ i ];
 395                         producer = create_producer( field, argv[ i ] );
 396                         if ( producer != NULL )
 397                         {
 398                                 properties = MLT_PRODUCER_PROPERTIES( producer );
 399                                 mlt_properties_inherit( properties, group );
 400                         }
 401                 }
 402                 else
 403                 {
 404                         if ( !strcmp( argv[ i ], "-serialise" ) )
 405                                 i += 2;
 406                         else if ( !strcmp( argv[ i ], "-consumer" ) )
 407                                 i += 2;
 408
 409                         while ( argv[ i ] != NULL && strchr( argv[ i ], '=' ) )
 410                                 i ++;
 411
 412                         i --;
 413                 }
 414         }
 415
 416         // Connect last producer to playlist
 417         if ( producer != NULL && !mlt_producer_is_cut( producer ) )
 418                 mlt_playlist_append( playlist, producer );
 419
 420         // Track the last playlist too
 421         track_service( field, playlist, ( mlt_destructor )mlt_playlist_close );
 422
 423         // We must have a playlist to connect
 424         if ( mlt_playlist_count( playlist ) > 0 )
 425                 mlt_multitrack_connect( multitrack, MLT_PLAYLIST_PRODUCER( playlist ), track );
 426
 427         mlt_producer prod = MLT_TRACTOR_PRODUCER( tractor );
 428         mlt_producer_optimise( prod );
 429         mlt_properties props = MLT_TRACTOR_PROPERTIES( tractor );
 430         mlt_properties_set_data( props, "group", group, 0, ( mlt_destructor )mlt_properties_close, NULL );
 431         mlt_properties_set_position( props, "length", mlt_producer_get_out( MLT_MULTITRACK_PRODUCER( multitrack ) ) + 1 );
 432         mlt_producer_set_in_and_out( prod, 0, mlt_producer_get_out( MLT_MULTITRACK_PRODUCER( multitrack ) ) );
 433         mlt_properties_set_double( props, "fps", mlt_producer_get_fps( MLT_MULTITRACK_PRODUCER( multitrack ) ) );
 434         if ( title != NULL )
 435                 mlt_properties_set( props, "title", strchr( title, '/' ) ? strrchr( title, '/' ) + 1 : title );
 436
 437         return prod;
 438 }