research.m1stereo.tv/gitweb/ - melted/blob - mlt++/src/MltParser.cpp

   1 /**
   2  * MltParser.cpp - MLT Wrapper
   3  * Copyright (C) 2004-2005 Charles Yates
   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 Lesser General Public License as published
   8  * by 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 "Mlt.h"
  22 using namespace Mlt;
  23
  24 static int on_invalid_cb( mlt_parser self, mlt_service object )
  25 {
  26         mlt_properties properties = mlt_parser_properties( self );
  27         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  28         Service service( object );
  29         return parser->on_invalid( &service );
  30 }
  31
  32 static int on_unknown_cb( mlt_parser self, mlt_service object )
  33 {
  34         mlt_properties properties = mlt_parser_properties( self );
  35         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  36         Service service( object );
  37         return parser->on_unknown( &service );
  38 }
  39
  40 static int on_start_producer_cb( mlt_parser self, mlt_producer object )
  41 {
  42         mlt_properties properties = mlt_parser_properties( self );
  43         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  44         Producer producer( object );
  45         return parser->on_start_producer( &producer );
  46 }
  47
  48 static int on_end_producer_cb( mlt_parser self, mlt_producer object )
  49 {
  50         mlt_properties properties = mlt_parser_properties( self );
  51         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  52         Producer producer( object );
  53         return parser->on_end_producer( &producer );
  54 }
  55
  56 static int on_start_playlist_cb( mlt_parser self, mlt_playlist object )
  57 {
  58         mlt_properties properties = mlt_parser_properties( self );
  59         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  60         Playlist playlist( object );
  61         return parser->on_start_playlist( &playlist );
  62 }
  63
  64 static int on_end_playlist_cb( mlt_parser self, mlt_playlist object )
  65 {
  66         mlt_properties properties = mlt_parser_properties( self );
  67         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  68         Playlist playlist( object );
  69         return parser->on_end_playlist( &playlist );
  70 }
  71
  72 static int on_start_tractor_cb( mlt_parser self, mlt_tractor object )
  73 {
  74         mlt_properties properties = mlt_parser_properties( self );
  75         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  76         Tractor tractor( object );
  77         return parser->on_start_tractor( &tractor );
  78 }
  79
  80 static int on_end_tractor_cb( mlt_parser self, mlt_tractor object )
  81 {
  82         mlt_properties properties = mlt_parser_properties( self );
  83         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  84         Tractor tractor( object );
  85         return parser->on_end_tractor( &tractor );
  86 }
  87
  88 static int on_start_multitrack_cb( mlt_parser self, mlt_multitrack object )
  89 {
  90         mlt_properties properties = mlt_parser_properties( self );
  91         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
  92         Multitrack multitrack( object );
  93         return parser->on_start_multitrack( &multitrack );
  94 }
  95
  96 static int on_end_multitrack_cb( mlt_parser self, mlt_multitrack object )
  97 {
  98         mlt_properties properties = mlt_parser_properties( self );
  99         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
 100         Multitrack multitrack( object );
 101         return parser->on_end_multitrack( &multitrack );
 102 }
 103
 104 static int on_start_track_cb( mlt_parser self )
 105 {
 106         mlt_properties properties = mlt_parser_properties( self );
 107         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
 108         return parser->on_start_track( );
 109 }
 110
 111 static int on_end_track_cb( mlt_parser self )
 112 {
 113         mlt_properties properties = mlt_parser_properties( self );
 114         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
 115         return parser->on_end_track( );
 116 }
 117
 118 static int on_start_filter_cb( mlt_parser self, mlt_filter object )
 119 {
 120         mlt_properties properties = mlt_parser_properties( self );
 121         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
 122         Filter filter( object );
 123         return parser->on_start_filter( &filter );
 124 }
 125
 126 static int on_end_filter_cb( mlt_parser self, mlt_filter object )
 127 {
 128         mlt_properties properties = mlt_parser_properties( self );
 129         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
 130         Filter filter( object );
 131         return parser->on_end_filter( &filter );
 132 }
 133
 134 static int on_start_transition_cb( mlt_parser self, mlt_transition object )
 135 {
 136         mlt_properties properties = mlt_parser_properties( self );
 137         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
 138         Transition transition( object );
 139         return parser->on_start_transition( &transition );
 140 }
 141
 142 static int on_end_transition_cb( mlt_parser self, mlt_transition object )
 143 {
 144         mlt_properties properties = mlt_parser_properties( self );
 145         Parser *parser = ( Parser * )mlt_properties_get_data( properties, "_parser_object", NULL );
 146         Transition transition( object );
 147         return parser->on_end_transition( &transition );
 148 }
 149
 150 Parser::Parser( ) :
 151         Properties( false )
 152 {
 153         parser = mlt_parser_new( );
 154         set( "_parser_object", this, 0 );
 155         parser->on_invalid = on_invalid_cb;
 156         parser->on_unknown = on_unknown_cb;
 157         parser->on_start_producer = on_start_producer_cb;
 158         parser->on_end_producer = on_end_producer_cb;
 159         parser->on_start_playlist = on_start_playlist_cb;
 160         parser->on_end_playlist = on_end_playlist_cb;
 161         parser->on_start_tractor = on_start_tractor_cb;
 162         parser->on_end_tractor = on_end_tractor_cb;
 163         parser->on_start_multitrack = on_start_multitrack_cb;
 164         parser->on_end_multitrack = on_end_multitrack_cb;
 165         parser->on_start_track = on_start_track_cb;
 166         parser->on_end_track = on_end_track_cb;
 167         parser->on_start_filter = on_start_filter_cb;
 168         parser->on_end_filter = on_end_filter_cb;
 169         parser->on_start_transition = on_start_transition_cb;
 170         parser->on_end_transition = on_end_transition_cb;
 171 }
 172
 173 Parser::~Parser( )
 174 {
 175         mlt_parser_close( parser );
 176 }
 177
 178 mlt_properties Parser::get_properties( )
 179 {
 180         return mlt_parser_properties( parser );
 181 }
 182
 183 int Parser::start( Service &service )
 184 {
 185         return mlt_parser_start( parser, service.get_service( ) );
 186 }
 187
 188 int Parser::on_invalid( Service *object )
 189 {
 190         object->debug( "Invalid" );
 191         return 0;
 192 }
 193
 194 int Parser::on_unknown( Service *object )
 195 {
 196         object->debug( "Unknown" );
 197         return 0;
 198 }
 199
 200 int Parser::on_start_producer( Producer *object )
 201 {
 202         object->debug( "on_start_producer" );
 203         return 0;
 204 }
 205
 206 int Parser::on_end_producer( Producer *object )
 207 {
 208         object->debug( "on_end_producer" );
 209         return 0;
 210 }
 211
 212 int Parser::on_start_playlist( Playlist *object )
 213 {
 214         object->debug( "on_start_playlist" );
 215         return 0;
 216 }
 217
 218 int Parser::on_end_playlist( Playlist *object )
 219 {
 220         object->debug( "on_end_playlist" );
 221         return 0;
 222 }
 223
 224 int Parser::on_start_tractor( Tractor *object )
 225 {
 226         object->debug( "on_start_tractor" );
 227         return 0;
 228 }
 229
 230 int Parser::on_end_tractor( Tractor *object )
 231 {
 232         object->debug( "on_end_tractor" );
 233         return 0;
 234 }
 235
 236 int Parser::on_start_multitrack( Multitrack *object )
 237 {
 238         object->debug( "on_start_multitrack" );
 239         return 0;
 240 }
 241
 242 int Parser::on_end_multitrack( Multitrack *object )
 243 {
 244         object->debug( "on_end_multitrack" );
 245         return 0;
 246 }
 247
 248 int Parser::on_start_track( )
 249 {
 250         fprintf( stderr, "on_start_track\n" );
 251         return 0;
 252 }
 253
 254 int Parser::on_end_track( )
 255 {
 256         fprintf( stderr, "on_end_track\n" );
 257         return 0;
 258 }
 259
 260 int Parser::on_start_filter( Filter *object )
 261 {
 262         object->debug( "on_start_filter" );
 263         return 0;
 264 }
 265
 266 int Parser::on_end_filter( Filter *object )
 267 {
 268         object->debug( "on_end_filter" );
 269         return 0;
 270 }
 271
 272 int Parser::on_start_transition( Transition *object )
 273 {
 274         object->debug( "on_start_transition" );
 275         return 0;
 276 }
 277
 278 int Parser::on_end_transition( Transition *object )
 279 {
 280         object->debug( "on_end_transition" );
 281         return 0;
 282 }
 283
 284