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443 lines
15 KiB
443 lines
15 KiB
/*
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* producer_inigo.c -- simple inigo test case
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* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
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* Author: Charles Yates <charles.yates@pandora.be>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "producer_inigo.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <framework/mlt.h>
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mlt_producer producer_inigo_file_init( char *file )
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{
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FILE *input = fopen( file, "r" );
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char **args = calloc( sizeof( char * ), 1000 );
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int count = 0;
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char temp[ 2048 ];
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if ( input != NULL )
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{
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while( fgets( temp, 2048, input ) )
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{
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temp[ strlen( temp ) - 1 ] = '\0';
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if ( strcmp( temp, "" ) )
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args[ count ++ ] = strdup( temp );
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}
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}
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mlt_producer result = producer_inigo_init( args );
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if ( result != NULL )
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{
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mlt_properties properties = MLT_PRODUCER_PROPERTIES( result );
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mlt_properties_set( properties, "resource", file );
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}
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while( count -- )
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free( args[ count ] );
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free( args );
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return result;
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}
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static void track_service( mlt_field field, void *service, mlt_destructor destructor )
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{
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mlt_properties properties = mlt_field_properties( field );
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int registered = mlt_properties_get_int( properties, "registered" );
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char *key = mlt_properties_get( properties, "registered" );
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mlt_properties_set_data( properties, key, service, 0, destructor, NULL );
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mlt_properties_set_int( properties, "registered", ++ registered );
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}
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static mlt_producer create_producer( mlt_field field, char *file )
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{
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mlt_producer result = mlt_factory_producer( "fezzik", file );
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if ( result != NULL )
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track_service( field, result, ( mlt_destructor )mlt_producer_close );
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return result;
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}
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static mlt_filter create_attach( mlt_field field, char *id, int track )
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{
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char *temp = strdup( id );
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char *arg = strchr( temp, ':' );
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if ( arg != NULL )
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*arg ++ = '\0';
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mlt_filter filter = mlt_factory_filter( temp, arg );
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if ( filter != NULL )
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track_service( field, filter, ( mlt_destructor )mlt_filter_close );
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free( temp );
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return filter;
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}
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static mlt_filter create_filter( mlt_field field, char *id, int track )
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{
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char *temp = strdup( id );
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char *arg = strchr( temp, ':' );
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if ( arg != NULL )
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*arg ++ = '\0';
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mlt_filter filter = mlt_factory_filter( temp, arg );
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if ( filter != NULL )
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{
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mlt_field_plant_filter( field, filter, track );
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track_service( field, filter, ( mlt_destructor )mlt_filter_close );
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}
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free( temp );
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return filter;
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}
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static mlt_transition create_transition( mlt_field field, char *id, int track )
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{
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char *arg = strchr( id, ':' );
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if ( arg != NULL )
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*arg ++ = '\0';
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mlt_transition transition = mlt_factory_transition( id, arg );
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if ( transition != NULL )
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{
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mlt_field_plant_transition( field, transition, track, track + 1 );
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track_service( field, transition, ( mlt_destructor )mlt_transition_close );
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}
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return transition;
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}
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mlt_producer producer_inigo_init( char **argv )
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{
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int i;
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int track = 0;
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mlt_producer producer = NULL;
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mlt_tractor mix = NULL;
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mlt_playlist playlist = mlt_playlist_init( );
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mlt_properties group = mlt_properties_new( );
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mlt_tractor tractor = mlt_tractor_new( );
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mlt_properties properties = MLT_TRACTOR_PROPERTIES( tractor );
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mlt_field field = mlt_tractor_field( tractor );
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mlt_properties field_properties = mlt_field_properties( field );
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mlt_multitrack multitrack = mlt_tractor_multitrack( tractor );
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char *title = NULL;
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// Assistance for template construction (allows -track usage to specify the first track)
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mlt_properties_set_int( MLT_PLAYLIST_PROPERTIES( playlist ), "_inigo_first", 1 );
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// We need to track the number of registered filters
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mlt_properties_set_int( field_properties, "registered", 0 );
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// Parse the arguments
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for ( i = 0; argv[ i ] != NULL; i ++ )
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{
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if ( !strcmp( argv[ i ], "-group" ) )
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{
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if ( mlt_properties_count( group ) != 0 )
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{
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mlt_properties_close( group );
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group = mlt_properties_new( );
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}
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if ( group != NULL )
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properties = group;
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}
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else if ( !strcmp( argv[ i ], "-attach" ) ||
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!strcmp( argv[ i ], "-attach-cut" ) ||
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!strcmp( argv[ i ], "-attach-track" ) ||
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!strcmp( argv[ i ], "-attach-clip" ) )
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{
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int type = !strcmp( argv[ i ], "-attach" ) ? 0 :
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!strcmp( argv[ i ], "-attach-cut" ) ? 1 :
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!strcmp( argv[ i ], "-attach-track" ) ? 2 : 3;
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mlt_filter filter = create_attach( field, argv[ ++ i ], track );
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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{
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mlt_playlist_clip_info info;
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mlt_playlist_append( playlist, producer );
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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producer = info.cut;
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}
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if ( type == 1 || type == 2 )
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{
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mlt_playlist_clip_info info;
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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producer = info.cut;
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}
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if ( filter != NULL && mlt_playlist_count( playlist ) > 0 )
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{
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if ( type == 0 )
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mlt_service_attach( ( mlt_service )properties, filter );
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else if ( type == 1 )
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mlt_service_attach( ( mlt_service )producer, filter );
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else if ( type == 2 )
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mlt_service_attach( ( mlt_service )playlist, filter );
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else if ( type == 3 )
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mlt_service_attach( ( mlt_service )mlt_producer_cut_parent( producer ), filter );
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properties = MLT_FILTER_PROPERTIES( filter );
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mlt_properties_inherit( properties, group );
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}
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else if ( filter != NULL )
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{
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mlt_service_attach( ( mlt_service )playlist, filter );
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properties = MLT_FILTER_PROPERTIES( filter );
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mlt_properties_inherit( properties, group );
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}
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}
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else if ( !strcmp( argv[ i ], "-repeat" ) )
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{
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int repeat = atoi( argv[ ++ i ] );
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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if ( mlt_playlist_count( playlist ) > 0 )
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{
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mlt_playlist_clip_info info;
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mlt_playlist_repeat_clip( playlist, mlt_playlist_count( playlist ) - 1, repeat );
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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producer = info.cut;
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properties = MLT_PRODUCER_PROPERTIES( producer );
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}
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}
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else if ( !strcmp( argv[ i ], "-split" ) )
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{
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int split = atoi( argv[ ++ i ] );
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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if ( mlt_playlist_count( playlist ) > 0 )
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{
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mlt_playlist_clip_info info;
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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split = split < 0 ? info.frame_out + split : split;
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mlt_playlist_split( playlist, mlt_playlist_count( playlist ) - 1, split );
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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producer = info.cut;
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properties = MLT_PRODUCER_PROPERTIES( producer );
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}
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}
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else if ( !strcmp( argv[ i ], "-swap" ) )
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{
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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if ( mlt_playlist_count( playlist ) >= 2 )
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{
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mlt_playlist_clip_info info;
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mlt_playlist_move( playlist, mlt_playlist_count( playlist ) - 2, mlt_playlist_count( playlist ) - 1 );
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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producer = info.cut;
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properties = MLT_PRODUCER_PROPERTIES( producer );
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}
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}
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else if ( !strcmp( argv[ i ], "-join" ) )
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{
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int clips = atoi( argv[ ++ i ] );
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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if ( mlt_playlist_count( playlist ) > 0 )
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{
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mlt_playlist_clip_info info;
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int clip = clips <= 0 ? 0 : mlt_playlist_count( playlist ) - clips - 1;
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if ( clip < 0 ) clip = 0;
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if ( clip >= mlt_playlist_count( playlist ) ) clip = mlt_playlist_count( playlist ) - 2;
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if ( clips < 0 ) clips = mlt_playlist_count( playlist ) - 1;
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mlt_playlist_join( playlist, clip, clips, 0 );
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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producer = info.cut;
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properties = MLT_PRODUCER_PROPERTIES( producer );
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}
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}
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else if ( !strcmp( argv[ i ], "-remove" ) )
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{
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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if ( mlt_playlist_count( playlist ) > 0 )
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{
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mlt_playlist_clip_info info;
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mlt_playlist_remove( playlist, mlt_playlist_count( playlist ) - 1 );
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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producer = info.cut;
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properties = MLT_PRODUCER_PROPERTIES( producer );
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}
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}
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else if ( !strcmp( argv[ i ], "-mix" ) )
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{
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int length = atoi( argv[ ++ i ] );
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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if ( mlt_playlist_count( playlist ) >= 2 )
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{
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if ( mlt_playlist_mix( playlist, mlt_playlist_count( playlist ) - 2, length, NULL ) == 0 )
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{
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mlt_playlist_clip_info info;
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 1 );
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if ( mlt_properties_get_data( ( mlt_properties )info.producer, "mlt_mix", NULL ) == NULL )
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mlt_playlist_get_clip_info( playlist, &info, mlt_playlist_count( playlist ) - 2 );
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mix = ( mlt_tractor )mlt_properties_get_data( ( mlt_properties )info.producer, "mlt_mix", NULL );
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properties = NULL;
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}
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else
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{
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fprintf( stderr, "Mix failed?\n" );
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}
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}
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else
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{
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fprintf( stderr, "Invalid position for a mix...\n" );
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}
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}
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else if ( !strcmp( argv[ i ], "-mixer" ) )
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{
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if ( mix != NULL )
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{
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char *id = strdup( argv[ ++ i ] );
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char *arg = strchr( id, ':' );
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mlt_field field = mlt_tractor_field( mix );
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mlt_transition transition = NULL;
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if ( arg != NULL )
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*arg ++ = '\0';
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transition = mlt_factory_transition( id, arg );
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if ( transition != NULL )
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{
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properties = MLT_TRANSITION_PROPERTIES( transition );
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mlt_properties_inherit( properties, group );
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mlt_field_plant_transition( field, transition, 0, 1 );
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mlt_properties_set_position( properties, "in", 0 );
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mlt_properties_set_position( properties, "out", mlt_producer_get_out( ( mlt_producer )mix ) );
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mlt_transition_close( transition );
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}
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free( id );
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}
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else
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{
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fprintf( stderr, "Invalid mixer...\n" );
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}
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}
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else if ( !strcmp( argv[ i ], "-filter" ) )
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{
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mlt_filter filter = create_filter( field, argv[ ++ i ], track );
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if ( filter != NULL )
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{
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properties = MLT_FILTER_PROPERTIES( filter );
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mlt_properties_inherit( properties, group );
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}
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}
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else if ( !strcmp( argv[ i ], "-transition" ) )
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{
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mlt_transition transition = create_transition( field, argv[ ++ i ], track - 1 );
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if ( transition != NULL )
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{
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properties = MLT_TRANSITION_PROPERTIES( transition );
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mlt_properties_inherit( properties, group );
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}
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}
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else if ( !strcmp( argv[ i ], "-blank" ) )
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{
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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mlt_playlist_blank( playlist, atof( argv[ ++ i ] ) );
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}
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else if ( !strcmp( argv[ i ], "-track" ) ||
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!strcmp( argv[ i ], "-null-track" ) ||
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!strcmp( argv[ i ], "-video-track" ) ||
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!strcmp( argv[ i ], "-audio-track" ) ||
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!strcmp( argv[ i ], "-hide-track" ) ||
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!strcmp( argv[ i ], "-hide-video" ) ||
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!strcmp( argv[ i ], "-hide-audio" ) )
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{
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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producer = NULL;
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if ( !mlt_properties_get_int( MLT_PLAYLIST_PROPERTIES( playlist ), "_inigo_first" ) ||
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mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( playlist ) ) > 0 )
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{
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mlt_multitrack_connect( multitrack, MLT_PLAYLIST_PRODUCER( playlist ), track ++ );
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track_service( field, playlist, ( mlt_destructor )mlt_playlist_close );
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playlist = mlt_playlist_init( );
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}
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if ( playlist != NULL )
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{
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properties = MLT_PLAYLIST_PROPERTIES( playlist );
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if ( !strcmp( argv[ i ], "-null-track" ) || !strcmp( argv[ i ], "-hide-track" ) )
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mlt_properties_set_int( properties, "hide", 3 );
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else if ( !strcmp( argv[ i ], "-audio-track" ) || !strcmp( argv[ i ], "-hide-video" ) )
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mlt_properties_set_int( properties, "hide", 1 );
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else if ( !strcmp( argv[ i ], "-video-track" ) || !strcmp( argv[ i ], "-hide-audio" ) )
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mlt_properties_set_int( properties, "hide", 2 );
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}
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}
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else if ( strchr( argv[ i ], '=' ) && strstr( argv[ i ], "<?xml" ) != argv[ i ] )
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{
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mlt_properties_parse( properties, argv[ i ] );
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}
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else if ( argv[ i ][ 0 ] != '-' )
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{
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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if ( title == NULL && strstr( argv[ i ], "<?xml" ) != argv[ i ] )
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title = argv[ i ];
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producer = create_producer( field, argv[ i ] );
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if ( producer != NULL )
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{
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properties = MLT_PRODUCER_PROPERTIES( producer );
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mlt_properties_inherit( properties, group );
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}
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}
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else
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{
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if ( !strcmp( argv[ i ], "-serialise" ) )
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i += 2;
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else if ( !strcmp( argv[ i ], "-consumer" ) )
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i += 2;
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while ( argv[ i ] != NULL && strchr( argv[ i ], '=' ) )
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i ++;
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i --;
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}
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}
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// Connect last producer to playlist
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if ( producer != NULL && !mlt_producer_is_cut( producer ) )
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mlt_playlist_append( playlist, producer );
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// Track the last playlist too
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track_service( field, playlist, ( mlt_destructor )mlt_playlist_close );
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// We must have a playlist to connect
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if ( !mlt_properties_get_int( MLT_PLAYLIST_PROPERTIES( playlist ), "_inigo_first" ) ||
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mlt_producer_get_playtime( MLT_PLAYLIST_PRODUCER( playlist ) ) > 0 )
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mlt_multitrack_connect( multitrack, MLT_PLAYLIST_PRODUCER( playlist ), track );
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mlt_producer prod = MLT_TRACTOR_PRODUCER( tractor );
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mlt_producer_optimise( prod );
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mlt_properties props = MLT_TRACTOR_PROPERTIES( tractor );
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mlt_properties_set_data( props, "group", group, 0, ( mlt_destructor )mlt_properties_close, NULL );
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mlt_properties_set_position( props, "length", mlt_producer_get_out( MLT_MULTITRACK_PRODUCER( multitrack ) ) + 1 );
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mlt_producer_set_in_and_out( prod, 0, mlt_producer_get_out( MLT_MULTITRACK_PRODUCER( multitrack ) ) );
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if ( title != NULL )
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mlt_properties_set( props, "title", strchr( title, '/' ) ? strrchr( title, '/' ) + 1 : title );
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return prod;
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}
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