research.m1stereo.tv/gitweb/ - melted/blob - mlt/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         if ( strlen( value ) == 1 )
  15         {
  16                 switch( value[ 0 ] )
  17                 {
  18                         case 'q':
  19                                 mlt_properties_set_int( properties, "done", 1 );
  20                                 break;
  21                         case '0':
  22                                 mlt_producer_set_speed( producer, 1 );
  23                                 mlt_producer_seek( producer, 0 );
  24                                 break;
  25                         case '1':
  26                                 mlt_producer_set_speed( producer, -10 );
  27                                 break;
  28                         case '2':
  29                                 mlt_producer_set_speed( producer, -5 );
  30                                 break;
  31                         case '3':
  32                                 mlt_producer_set_speed( producer, -2 );
  33                                 break;
  34                         case '4':
  35                                 mlt_producer_set_speed( producer, -1 );
  36                                 break;
  37                         case '5':
  38                                 mlt_producer_set_speed( producer, 0 );
  39                                 break;
  40                         case '6':
  41                         case ' ':
  42                                 mlt_producer_set_speed( producer, 1 );
  43                                 break;
  44                         case '7':
  45                                 mlt_producer_set_speed( producer, 2 );
  46                                 break;
  47                         case '8':
  48                                 mlt_producer_set_speed( producer, 5 );
  49                                 break;
  50                         case '9':
  51                                 mlt_producer_set_speed( producer, 10 );
  52                                 break;
  53                         case 'd':
  54                                 if ( multitrack != NULL )
  55                                 {
  56                                         int i = 0;
  57                                         mlt_position last = -1;
  58                                         for ( i = 0; 1; i ++ )
  59                                         {
  60                                                 mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_start, i );
  61                                                 if ( time == last )
  62                                                         break;
  63                                                 last = time;
  64                                                 fprintf( stderr, "%d: %lld\n", i, time );
  65                                         }
  66                                 }
  67                                 break;
  68
  69                         case 'g':
  70                                 if ( multitrack != NULL )
  71                                 {
  72                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
  73                                         mlt_producer_seek( producer, time );
  74                                 }
  75                                 break;
  76                         case 'h':
  77                                 if ( multitrack != NULL )
  78                                 {
  79                                         mlt_position position = mlt_producer_position( producer );
  80                                         mlt_producer_set_speed( producer, 0 );
  81                                         mlt_producer_seek( producer, position - 1 >= 0 ? position - 1 : 0 );
  82                                 }
  83                                 break;
  84                         case 'j':
  85                                 if ( multitrack != NULL )
  86                                 {
  87                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
  88                                         mlt_producer_seek( producer, time );
  89                                 }
  90                                 break;
  91                         case 'k':
  92                                 if ( multitrack != NULL )
  93                                 {
  94                                         mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
  95                                         mlt_producer_seek( producer, time );
  96                                 }
  97                                 break;
  98                         case 'l':
  99                                 if ( multitrack != NULL )
 100                                 {
 101                                         mlt_position position = mlt_producer_position( producer );
 102                                         mlt_producer_set_speed( producer, 0 );
 103                                         mlt_producer_seek( producer, position + 1 );
 104                                 }
 105                                 break;
 106                 }
 107         }
 108 }
 109
 110 static mlt_consumer create_consumer( char *id, mlt_producer producer )
 111 {
 112         char *arg = strchr( id, ':' );
 113         if ( arg != NULL )
 114                 *arg ++ = '\0';
 115         mlt_consumer consumer = mlt_factory_consumer( id, arg );
 116         if ( consumer != NULL )
 117         {
 118                 mlt_properties properties = mlt_consumer_properties( consumer );
 119                 mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
 120                 mlt_properties_set_data( properties, "transport_producer", producer, 0, NULL, NULL );
 121         }
 122         return consumer;
 123 }
 124
 125 static void transport( mlt_producer producer )
 126 {
 127         mlt_properties properties = mlt_producer_properties( producer );
 128
 129         term_init( );
 130
 131         fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
 132         fprintf( stderr, "|1=-10| |2= -5| |3= -2| |4= -1| |5=  0| |6=  1| |7=  2| |8=  5| |9= 10|\n" );
 133         fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
 134
 135         fprintf( stderr, "+---------------------------------------------------------------------+\n" );
 136         fprintf( stderr, "|                      h = previous,  l = next                        |\n" );
 137         fprintf( stderr, "|           g = start of clip, j = next clip, k = previous clip       |\n" );
 138         fprintf( stderr, "|                0 = restart, q = quit, space = play                  |\n" );
 139         fprintf( stderr, "+---------------------------------------------------------------------+\n" );
 140
 141         while( mlt_properties_get_int( properties, "done" ) == 0 )
 142         {
 143                 int value = term_read( );
 144                 if ( value != -1 )
 145                         transport_action( producer, ( char * )&value );
 146         }
 147 }
 148
 149 int main( int argc, char **argv )
 150 {
 151         int i;
 152         mlt_consumer consumer = NULL;
 153         mlt_producer inigo = NULL;
 154         FILE *store = NULL;
 155         char *name = NULL;
 156
 157         // Construct the factory
 158         mlt_factory_init( getenv( "MLT_REPOSITORY" ) );
 159
 160         for ( i = 1; i < argc; i ++ )
 161         {
 162                 if ( !strcmp( argv[ i ], "-serialise" ) )
 163                 {
 164                         name = argv[ ++ i ];
 165                         if ( strstr( name, ".inigo" ) )
 166                                 store = fopen( name, "w" );
 167                 }
 168         }
 169
 170         // Get inigo producer
 171         inigo = mlt_factory_producer( "inigo", &argv[ 1 ] );
 172
 173         if ( inigo != NULL && mlt_producer_get_length( inigo ) > 0 )
 174         {
 175                 // Get inigo's properties
 176                 mlt_properties inigo_props = mlt_producer_properties( inigo );
 177
 178                 // Get the field service from inigo
 179                 mlt_field field = mlt_properties_get_data( inigo_props, "field", 0 );
 180
 181                 // Get the last group
 182                 mlt_properties group = mlt_properties_get_data( inigo_props, "group", 0 );
 183
 184                 // Parse the arguments
 185                 for ( i = 1; i < argc; i ++ )
 186                 {
 187                         if ( !strcmp( argv[ i ], "-consumer" ) )
 188                         {
 189                                 consumer = create_consumer( argv[ ++ i ], inigo );
 190                                 while ( argv[ i + 1 ] != NULL && strstr( argv[ i + 1 ], "=" ) )
 191                                         mlt_properties_parse( group, argv[ ++ i ] );
 192                         }
 193                         else if ( !strcmp( argv[ i ], "-serialise" ) )
 194                         {
 195                                 i ++;
 196                         }
 197                         else
 198                         {
 199                                 if ( store != NULL )
 200                                         fprintf( store, "%s\n", argv[ i ] );
 201
 202                                 i ++;
 203
 204                                 while ( argv[ i ] != NULL && argv[ i ][ 0 ] != '-' )
 205                                 {
 206                                         if ( store != NULL )
 207                                                 fprintf( store, "%s\n", argv[ i ] );
 208                                         i += 1;
 209                                 }
 210
 211                                 i --;
 212                         }
 213                 }
 214
 215                 // If we have no consumer, default to sdl
 216                 if ( store == NULL && consumer == NULL )
 217                         consumer = create_consumer( "sdl", inigo );
 218
 219                 if ( consumer != NULL && store == NULL )
 220                 {
 221                         // Apply group settings
 222                         mlt_properties properties = mlt_consumer_properties( consumer );
 223                         mlt_properties_inherit( properties, group );
 224
 225                         // Connect consumer to tractor
 226                         mlt_consumer_connect( consumer, mlt_field_service( field ) );
 227
 228                         // Transport functionality
 229                         transport( inigo );
 230                 }
 231                 else if ( store != NULL )
 232                 {
 233                         fprintf( stderr, "Project saved as %s.\n", name );
 234                         fclose( store );
 235                 }
 236
 237         }
 238         else
 239         {
 240                 fprintf( stderr, "Usage: inigo [ -group [ name=value ]* ]\n"
 241                                                  "             [ -consumer id[:arg] [ name=value ]* ]\n"
 242                                          "             [ -filter id[:arg] [ name=value ] * ]\n"
 243                                          "             [ -transition id[:arg] [ name=value ] * ]\n"
 244                                                  "             [ -blank time ]\n"
 245                                          "             [ producer [ name=value ] * ]+\n" );
 246         }
 247
 248         // Close the consumer
 249         if ( consumer != NULL )
 250                 mlt_consumer_close( consumer );
 251
 252         // Close the producer
 253         if ( inigo != NULL )
 254                 mlt_producer_close( inigo );
 255
 256         // Close the factory
 257         mlt_factory_close( );
 258
 259         return 0;
 260 }