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

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include <framework/mlt.h>
   6
   7 #include "io.h"
   8
   9 static void transport_action( mlt_producer producer, char *value )
  10 {
  11         mlt_properties properties = mlt_producer_properties( producer );
  12         mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
  13
  14         mlt_properties_set_int( properties, "stats_off", 0 );
  15
  16         if ( strlen( value ) == 1 )
  17         {
  18                 switch( value[ 0 ] )
  19                 {
  20                         case 'q':
  21                                 mlt_properties_set_int( properties, "done", 1 );
  22                                 break;
  23                         case '0':
  24                                 mlt_producer_set_speed( producer, 1 );
  25                                 mlt_producer_seek( producer, 0 );
  26                                 break;
  27                         case '1':
  28                                 mlt_producer_set_speed( producer, -10 );
  29                                 break;
  30                         case '2':
  31                                 mlt_producer_set_speed( producer, -5 );
  32                                 break;
  33                         case '3':
  34                                 mlt_producer_set_speed( producer, -2 );
  35                                 break;
  36                         case '4':
  37                                 mlt_producer_set_speed( producer, -1 );
  38                                 break;
  39                         case '5':
  40                                 mlt_producer_set_speed( producer, 0 );
  41                                 break;
  42                         case '6':
  43                         case ' ':
  44                                 mlt_producer_set_speed( producer, 1 );
  45                                 break;
  46                         case '7':
  47                                 mlt_producer_set_speed( producer, 2 );
  48                                 break;
  49                         case '8':
  50                                 mlt_producer_set_speed( producer, 5 );
  51                                 break;
  52                         case '9':
  53                                 mlt_producer_set_speed( producer, 10 );
  54                                 break;
  55                         case 'd':
  56                                 if ( multitrack != NULL )
  57                                 {
  58                                         int i = 0;
  59                                         mlt_position last = -1;
  60                                         fprintf( stderr, "\n" );
  61                                         for ( i = 0; 1; i ++ )
  62                                         {
  63                                                 mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_start, i );
  64                                                 if ( time == last )
  65                                                         break;
  66                                                 last = time;
  67                                                 fprintf( stderr, "%d: %lld\n", i, time );
  68                                         }
  69                                 }
  70                                 break;
  71
  72                         case 'g':
  73                                 if ( multitrack != NULL )
  74                                 {
  75                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
  76                                         mlt_producer_seek( producer, time );
  77                                 }
  78                                 break;
  79                         case 'H':
  80                                 if ( producer != NULL )
  81                                 {
  82                                         mlt_position position = mlt_producer_position( producer );
  83                                         mlt_producer_seek( producer, position - ( mlt_producer_get_fps( producer ) * 60 ) );
  84                                 }
  85                                 break;
  86                         case 'h':
  87                                 if ( producer != NULL )
  88                                 {
  89                                         mlt_position position = mlt_producer_position( producer );
  90                                         mlt_producer_set_speed( producer, 0 );
  91                                         mlt_producer_seek( producer, position - 1 );
  92                                 }
  93                                 break;
  94                         case 'j':
  95                                 if ( multitrack != NULL )
  96                                 {
  97                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
  98                                         mlt_producer_seek( producer, time );
  99                                 }
 100                                 break;
 101                         case 'k':
 102                                 if ( multitrack != NULL )
 103                                 {
 104                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
 105                                         mlt_producer_seek( producer, time );
 106                                 }
 107                                 break;
 108                         case 'l':
 109                                 if ( producer != NULL )
 110                                 {
 111                                         mlt_position position = mlt_producer_position( producer );
 112                                         mlt_producer_set_speed( producer, 0 );
 113                                         mlt_producer_seek( producer, position + 1 );
 114                                 }
 115                                 break;
 116                         case 'L':
 117                                 if ( producer != NULL )
 118                                 {
 119                                         mlt_position position = mlt_producer_position( producer );
 120                                         mlt_producer_seek( producer, position + ( mlt_producer_get_fps( producer ) * 60 ) );
 121                                 }
 122                                 break;
 123                 }
 124         }
 125
 126         mlt_properties_set_int( properties, "stats_off", 0 );
 127 }
 128
 129 static mlt_consumer create_consumer( char *id, mlt_producer producer )
 130 {
 131         char *arg = strchr( id, ':' );
 132         if ( arg != NULL )
 133                 *arg ++ = '\0';
 134         mlt_consumer consumer = mlt_factory_consumer( id, arg );
 135         if ( consumer != NULL )
 136         {
 137                 mlt_properties properties = mlt_consumer_properties( consumer );
 138                 mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
 139                 mlt_properties_set_data( properties, "transport_producer", producer, 0, NULL, NULL );
 140         }
 141         return consumer;
 142 }
 143
 144 static void transport( mlt_producer producer, mlt_consumer consumer )
 145 {
 146         mlt_properties properties = mlt_producer_properties( producer );
 147
 148         term_init( );
 149
 150         if ( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
 151         {
 152                 fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
 153                 fprintf( stderr, "|1=-10| |2= -5| |3= -2| |4= -1| |5=  0| |6=  1| |7=  2| |8=  5| |9= 10|\n" );
 154                 fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
 155
 156                 fprintf( stderr, "+---------------------------------------------------------------------+\n" );
 157                 fprintf( stderr, "|               H = back 1 minute,  L = forward 1 minute              |\n" );
 158                 fprintf( stderr, "|                 h = previous frame,  l = next frame                 |\n" );
 159                 fprintf( stderr, "|           g = start of clip, j = next clip, k = previous clip       |\n" );
 160                 fprintf( stderr, "|                0 = restart, q = quit, space = play                  |\n" );
 161                 fprintf( stderr, "+---------------------------------------------------------------------+\n" );
 162         }
 163
 164         while( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
 165         {
 166                 int value = term_read( );
 167                 if ( value != -1 )
 168                         transport_action( producer, ( char * )&value );
 169
 170                 if ( mlt_properties_get_int( properties, "stats_off" ) == 0 )
 171                         fprintf( stderr, "Current Position: %10lld\r", mlt_producer_position( producer ) );
 172         }
 173
 174         fprintf( stderr, "\n" );
 175 }
 176
 177 int main( int argc, char **argv )
 178 {
 179         int i;
 180         mlt_consumer consumer = NULL;
 181         mlt_producer inigo = NULL;
 182         FILE *store = NULL;
 183         char *name = NULL;
 184
 185         // Construct the factory
 186         mlt_factory_init( getenv( "MLT_REPOSITORY" ) );
 187
 188         // Check for serialisation switch first
 189         for ( i = 1; i < argc; i ++ )
 190         {
 191                 if ( !strcmp( argv[ i ], "-serialise" ) )
 192                 {
 193                         name = argv[ ++ i ];
 194                         if ( strstr( name, ".inigo" ) )
 195                                 store = fopen( name, "w" );
 196                 }
 197         }
 198
 199         // Get inigo producer
 200         if ( argc > 1 )
 201                 inigo = mlt_factory_producer( "inigo", &argv[ 1 ] );
 202
 203         if ( argc > 1 && inigo != NULL && mlt_producer_get_length( inigo ) > 0 )
 204         {
 205                 // Get inigo's properties
 206                 mlt_properties inigo_props = mlt_producer_properties( inigo );
 207
 208                 // Get the field service from inigo
 209                 mlt_field field = mlt_properties_get_data( inigo_props, "field", 0 );
 210
 211                 // Get the last group
 212                 mlt_properties group = mlt_properties_get_data( inigo_props, "group", 0 );
 213
 214                 // Parse the arguments
 215                 for ( i = 1; i < argc; i ++ )
 216                 {
 217                         if ( !strcmp( argv[ i ], "-consumer" ) )
 218                         {
 219                                 consumer = create_consumer( argv[ ++ i ], inigo );
 220                                 while ( argv[ i + 1 ] != NULL && strstr( argv[ i + 1 ], "=" ) )
 221                                         mlt_properties_parse( group, argv[ ++ i ] );
 222                         }
 223                         else if ( !strcmp( argv[ i ], "-serialise" ) )
 224                         {
 225                                 i ++;
 226                         }
 227                         else
 228                         {
 229                                 if ( store != NULL )
 230                                         fprintf( store, "%s\n", argv[ i ] );
 231
 232                                 i ++;
 233
 234                                 while ( argv[ i ] != NULL && argv[ i ][ 0 ] != '-' )
 235                                 {
 236                                         if ( store != NULL )
 237                                                 fprintf( store, "%s\n", argv[ i ] );
 238                                         i += 1;
 239                                 }
 240
 241                                 i --;
 242                         }
 243                 }
 244
 245                 // If we have no consumer, default to sdl
 246                 if ( store == NULL && consumer == NULL )
 247                         consumer = create_consumer( "sdl", inigo );
 248
 249                 if ( consumer != NULL && store == NULL )
 250                 {
 251                         // Apply group settings
 252                         mlt_properties properties = mlt_consumer_properties( consumer );
 253                         mlt_properties_inherit( properties, group );
 254
 255                         // Connect consumer to tractor
 256                         mlt_consumer_connect( consumer, mlt_field_service( field ) );
 257
 258                         // Start the consumer
 259                         mlt_consumer_start( consumer );
 260
 261                         // Transport functionality
 262                         transport( inigo, consumer );
 263
 264                         // Stop the consumer
 265                         mlt_consumer_stop( consumer );
 266                 }
 267                 else if ( store != NULL )
 268                 {
 269                         fprintf( stderr, "Project saved as %s.\n", name );
 270                         fclose( store );
 271                 }
 272         }
 273         else
 274         {
 275                 fprintf( stderr, "Usage: inigo [ -group [ name=value ]* ]\n"
 276                                                  "             [ -consumer id[:arg] [ name=value ]* ]\n"
 277                                          "             [ -filter id[:arg] [ name=value ] * ]\n"
 278                                          "             [ -transition id[:arg] [ name=value ] * ]\n"
 279                                                  "             [ -blank frames ]\n"
 280                                                  "             [ -track ]\n"
 281                                          "             [ producer [ name=value ] * ]+\n" );
 282         }
 283
 284         // Close the consumer
 285         if ( consumer != NULL )
 286                 mlt_consumer_close( consumer );
 287
 288         // Close the producer
 289         if ( inigo != NULL )
 290                 mlt_producer_close( inigo );
 291
 292         // Close the factory
 293         mlt_factory_close( );
 294
 295         return 0;
 296 }