+++ /dev/null
-/**
- * \file mlt_parser.c
- * \brief service parsing functionality
- * \see mlt_parser_s
- *
- * Copyright (C) 2003-2009 Ushodaya Enterprises Limited
- * \author Charles Yates <charles.yates@pandora.be>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "mlt.h"
-#include <stdlib.h>
-
-static int on_invalid( mlt_parser this, mlt_service object )
-{
- return 0;
-}
-
-static int on_unknown( mlt_parser this, mlt_service object )
-{
- return 0;
-}
-
-static int on_start_producer( mlt_parser this, mlt_producer object )
-{
- return 0;
-}
-
-static int on_end_producer( mlt_parser this, mlt_producer object )
-{
- return 0;
-}
-
-static int on_start_playlist( mlt_parser this, mlt_playlist object )
-{
- return 0;
-}
-
-static int on_end_playlist( mlt_parser this, mlt_playlist object )
-{
- return 0;
-}
-
-static int on_start_tractor( mlt_parser this, mlt_tractor object )
-{
- return 0;
-}
-
-static int on_end_tractor( mlt_parser this, mlt_tractor object )
-{
- return 0;
-}
-
-static int on_start_multitrack( mlt_parser this, mlt_multitrack object )
-{
- return 0;
-}
-
-static int on_end_multitrack( mlt_parser this, mlt_multitrack object )
-{
- return 0;
-}
-
-static int on_start_track( mlt_parser this )
-{
- return 0;
-}
-
-static int on_end_track( mlt_parser this )
-{
- return 0;
-}
-
-static int on_start_filter( mlt_parser this, mlt_filter object )
-{
- return 0;
-}
-
-static int on_end_filter( mlt_parser this, mlt_filter object )
-{
- return 0;
-}
-
-static int on_start_transition( mlt_parser this, mlt_transition object )
-{
- return 0;
-}
-
-static int on_end_transition( mlt_parser this, mlt_transition object )
-{
- return 0;
-}
-
-mlt_parser mlt_parser_new( )
-{
- mlt_parser this = calloc( 1, sizeof( struct mlt_parser_s ) );
- if ( this != NULL && mlt_properties_init( &this->parent, this ) == 0 )
- {
- this->on_invalid = on_invalid;
- this->on_unknown = on_unknown;
- this->on_start_producer = on_start_producer;
- this->on_end_producer = on_end_producer;
- this->on_start_playlist = on_start_playlist;
- this->on_end_playlist = on_end_playlist;
- this->on_start_tractor = on_start_tractor;
- this->on_end_tractor = on_end_tractor;
- this->on_start_multitrack = on_start_multitrack;
- this->on_end_multitrack = on_end_multitrack;
- this->on_start_track = on_start_track;
- this->on_end_track = on_end_track;
- this->on_start_filter = on_start_filter;
- this->on_end_filter = on_end_filter;
- this->on_start_transition = on_start_transition;
- this->on_end_transition = on_end_transition;
- }
- return this;
-}
-
-mlt_properties mlt_parser_properties( mlt_parser this )
-{
- return &this->parent;
-}
-
-int mlt_parser_start( mlt_parser this, mlt_service object )
-{
- int error = 0;
- mlt_service_type type = mlt_service_identify( object );
- switch( type )
- {
- case invalid_type:
- error = this->on_invalid( this, object );
- break;
- case unknown_type:
- error = this->on_unknown( this, object );
- break;
- case producer_type:
- if ( mlt_producer_is_cut( ( mlt_producer )object ) )
- error = mlt_parser_start( this, ( mlt_service )mlt_producer_cut_parent( ( mlt_producer )object ) );
- error = this->on_start_producer( this, ( mlt_producer )object );
- if ( error == 0 )
- {
- int i = 0;
- while ( error == 0 && mlt_producer_filter( ( mlt_producer )object, i ) != NULL )
- error = mlt_parser_start( this, ( mlt_service )mlt_producer_filter( ( mlt_producer )object, i ++ ) );
- }
- error = this->on_end_producer( this, ( mlt_producer )object );
- break;
- case playlist_type:
- error = this->on_start_playlist( this, ( mlt_playlist )object );
- if ( error == 0 )
- {
- int i = 0;
- while ( error == 0 && i < mlt_playlist_count( ( mlt_playlist )object ) )
- mlt_parser_start( this, ( mlt_service )mlt_playlist_get_clip( ( mlt_playlist )object, i ++ ) );
- i = 0;
- while ( error == 0 && mlt_producer_filter( ( mlt_producer )object, i ) != NULL )
- error = mlt_parser_start( this, ( mlt_service )mlt_producer_filter( ( mlt_producer )object, i ++ ) );
- }
- error = this->on_end_playlist( this, ( mlt_playlist )object );
- break;
- case tractor_type:
- error = this->on_start_tractor( this, ( mlt_tractor )object );
- if ( error == 0 )
- {
- int i = 0;
- mlt_service next = mlt_service_producer( object );
- mlt_parser_start( this, ( mlt_service )mlt_tractor_multitrack( ( mlt_tractor )object ) );
- while ( next != ( mlt_service )mlt_tractor_multitrack( ( mlt_tractor )object ) )
- {
- mlt_parser_start( this, next );
- next = mlt_service_producer( next );
- }
- while ( error == 0 && mlt_producer_filter( ( mlt_producer )object, i ) != NULL )
- error = mlt_parser_start( this, ( mlt_service )mlt_producer_filter( ( mlt_producer )object, i ++ ) );
- }
- error = this->on_end_tractor( this, ( mlt_tractor )object );
- break;
- case multitrack_type:
- error = this->on_start_multitrack( this, ( mlt_multitrack )object );
- if ( error == 0 )
- {
- int i = 0;
- while ( i < mlt_multitrack_count( ( mlt_multitrack )object ) )
- {
- this->on_start_track( this );
- mlt_parser_start( this, ( mlt_service )mlt_multitrack_track( ( mlt_multitrack )object , i ++ ) );
- this->on_end_track( this );
- }
- i = 0;
- while ( error == 0 && mlt_producer_filter( ( mlt_producer )object, i ) != NULL )
- error = mlt_parser_start( this, ( mlt_service )mlt_producer_filter( ( mlt_producer )object, i ++ ) );
- }
- error = this->on_end_multitrack( this, ( mlt_multitrack )object );
- break;
- case filter_type:
- error = this->on_start_filter( this, ( mlt_filter )object );
- if ( error == 0 )
- {
- int i = 0;
- while ( error == 0 && mlt_producer_filter( ( mlt_producer )object, i ) != NULL )
- error = mlt_parser_start( this, ( mlt_service )mlt_producer_filter( ( mlt_producer )object, i ++ ) );
- }
- error = this->on_end_filter( this, ( mlt_filter )object );
- break;
- case transition_type:
- error = this->on_start_transition( this, ( mlt_transition )object );
- if ( error == 0 )
- {
- int i = 0;
- while ( error == 0 && mlt_producer_filter( ( mlt_producer )object, i ) != NULL )
- error = mlt_parser_start( this, ( mlt_service )mlt_producer_filter( ( mlt_producer )object, i ++ ) );
- }
- error = this->on_end_transition( this, ( mlt_transition )object );
- break;
- case field_type:
- break;
- case consumer_type:
- break;
- }
- return error;
-}
-
-void mlt_parser_close( mlt_parser this )
-{
- if ( this != NULL )
- {
- mlt_properties_close( &this->parent );
- free( this );
- }
-}
-
-
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