+++ /dev/null
-/*
- * factory.c -- the factory method interfaces
- * Copyright (c) 2008 Marco Gittler <g.marco@freenet.de>
- *
- * 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 <string.h>
-#include <framework/mlt.h>
-#include <frei0r.h>
-
-#include <stddef.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <dlfcn.h>
-#include <stdlib.h>
-#include <limits.h>
-
-#define FREI0R_PLUGIN_PATH "/usr/lib/frei0r-1:/usr/local/lib/frei0r-1:/usr/lib64/frei0r-1:/opt/local/lib/frei0r-1"
-
-extern mlt_filter filter_frei0r_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg );
-extern mlt_frame filter_process( mlt_filter this, mlt_frame frame );
-extern void filter_close( mlt_filter this );
-extern int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index );
-extern void producer_close( mlt_producer this );
-extern void transition_close( mlt_transition this );
-extern mlt_frame transition_process( mlt_transition transition, mlt_frame a_frame, mlt_frame b_frame );
-
-static mlt_properties fill_param_info ( mlt_service_type type, const char *service_name, char *name )
-{
- char file[ PATH_MAX ];
- char servicetype[ 1024 ]="";
- struct stat stat_buff;
-
- switch ( type ) {
- case producer_type:
- strcpy ( servicetype , "producer" );
- break;
- case filter_type:
- strcpy ( servicetype , "filter" );
- break;
- case transition_type:
- strcpy ( servicetype , "transition" ) ;
- break;
- default:
- strcpy ( servicetype , "" );
- };
-
- snprintf( file, PATH_MAX, "%s/frei0r/%s_%s.yml", mlt_environment( "MLT_DATA" ), servicetype, service_name );
- stat(file,&stat_buff);
-
- if (S_ISREG(stat_buff.st_mode)){
- return mlt_properties_parse_yaml( file );
- }
-
- void* handle=dlopen(name,RTLD_LAZY);
- if (!handle) return NULL;
- void (*plginfo)(f0r_plugin_info_t*)=dlsym(handle,"f0r_get_plugin_info");
- void (*param_info)(f0r_param_info_t*,int param_index)=dlsym(handle,"f0r_get_param_info");
- if (!plginfo || !param_info) {
- dlclose(handle);
- return NULL;
- }
- mlt_properties metadata = mlt_properties_new();
- f0r_plugin_info_t info;
- char string[48];
- int j=0;
-
- plginfo(&info);
- snprintf ( string, sizeof(string) , "%d.%d" , info.major_version , info.minor_version );
- mlt_properties_set ( metadata, "schema_version" , "0.1" );
- mlt_properties_set ( metadata, "title" , info.name );
- mlt_properties_set ( metadata, "version", string );
- mlt_properties_set ( metadata, "identifier" , service_name );
- mlt_properties_set ( metadata, "description" , info.explanation );
- mlt_properties_set ( metadata, "creator" , info.author );
- switch (type){
- case producer_type:
- mlt_properties_set ( metadata, "type" , "producer" );
- break;
- case filter_type:
- mlt_properties_set ( metadata, "type" , "filter" );
- break;
- case transition_type:
- mlt_properties_set ( metadata, "type" , "transition" );
- break;
- default:
- break;
- }
-
- mlt_properties parameter = mlt_properties_new ( );
- mlt_properties_set_data ( metadata , "parameters" , parameter , 0 , ( mlt_destructor )mlt_properties_close, NULL );
- mlt_properties tags = mlt_properties_new ( );
- mlt_properties_set_data ( metadata , "tags" , tags , 0 , ( mlt_destructor )mlt_properties_close, NULL );
- mlt_properties_set ( tags , "0" , "Video" );
-
- for (j=0;j<info.num_params;j++){
- snprintf ( string , sizeof(string), "%d" , j );
- mlt_properties pnum = mlt_properties_new ( );
- mlt_properties_set_data ( parameter , string , pnum , 0 , ( mlt_destructor )mlt_properties_close, NULL );
- f0r_param_info_t paraminfo;
- param_info(¶minfo,j);
- mlt_properties_set ( pnum , "identifier" , paraminfo.name );
- mlt_properties_set ( pnum , "title" , paraminfo.name );
- mlt_properties_set ( pnum , "description" , paraminfo.explanation);
- if ( paraminfo.type == F0R_PARAM_DOUBLE ){
- mlt_properties_set ( pnum , "type" , "float" );
- mlt_properties_set ( pnum , "minimum" , "0" );
- mlt_properties_set ( pnum , "maximum" , "1" );
- mlt_properties_set ( pnum , "readonly" , "no" );
- mlt_properties_set ( pnum , "widget" , "spinner" );
- }else
- if ( paraminfo.type == F0R_PARAM_BOOL ){
- mlt_properties_set ( pnum , "type" , "boolean" );
- mlt_properties_set ( pnum , "minimum" , "0" );
- mlt_properties_set ( pnum , "maximum" , "1" );
- mlt_properties_set ( pnum , "readonly" , "no" );
- }else
- if ( paraminfo.type == F0R_PARAM_COLOR ){
- mlt_properties_set ( pnum , "type" , "color" );
- mlt_properties_set ( pnum , "readonly" , "no" );
- }else
- if ( paraminfo.type == F0R_PARAM_STRING ){
- mlt_properties_set ( pnum , "type" , "string" );
- mlt_properties_set ( pnum , "readonly" , "no" );
- }
- }
- dlclose(handle);
- free(name);
-
- return metadata;
-}
-
-static void * load_lib( mlt_profile profile, mlt_service_type type , void* handle){
-
- int i=0;
- void (*f0r_get_plugin_info)(f0r_plugin_info_t*),
- *f0r_construct , *f0r_update , *f0r_destruct,
- (*f0r_get_param_info)(f0r_param_info_t* info, int param_index),
- (*f0r_init)(void) , *f0r_deinit ,
- (*f0r_set_param_value)(f0r_instance_t instance, f0r_param_t param, int param_index),
- (*f0r_get_param_value)(f0r_instance_t instance, f0r_param_t param, int param_index),
- (*f0r_update2) (f0r_instance_t instance, double time, const uint32_t* inframe1,
- const uint32_t* inframe2,const uint32_t* inframe3, uint32_t* outframe);
-
- if ( ( f0r_construct = dlsym(handle, "f0r_construct") ) &&
- (f0r_update = dlsym(handle,"f0r_update") ) &&
- (f0r_destruct = dlsym(handle,"f0r_destruct") ) &&
- (f0r_get_plugin_info = dlsym(handle,"f0r_get_plugin_info") ) &&
- (f0r_get_param_info = dlsym(handle,"f0r_get_param_info") ) &&
- (f0r_set_param_value= dlsym(handle,"f0r_set_param_value" ) ) &&
- (f0r_get_param_value= dlsym(handle,"f0r_get_param_value" ) ) &&
- (f0r_init= dlsym(handle,"f0r_init" ) ) &&
- (f0r_deinit= dlsym(handle,"f0r_deinit" ) )
- ){
-
- f0r_update2=dlsym(handle,"f0r_update2");
-
- f0r_plugin_info_t info;
- f0r_get_plugin_info(&info);
-
- void* ret=NULL;
- mlt_properties properties=NULL;
-
- if (type == producer_type && info.plugin_type == F0R_PLUGIN_TYPE_SOURCE ){
- mlt_producer this = mlt_producer_new( );
- if ( this != NULL )
- {
- this->get_frame = producer_get_frame;
- this->close = ( mlt_destructor )producer_close;
- f0r_init();
- properties=MLT_PRODUCER_PROPERTIES ( this );
-
- for (i=0;i<info.num_params;i++){
- f0r_param_info_t pinfo;
- f0r_get_param_info(&pinfo,i);
-
- }
-
- ret=this;
- }
- } else if (type == filter_type && info.plugin_type == F0R_PLUGIN_TYPE_FILTER ){
- mlt_filter this = mlt_filter_new( );
- if ( this != NULL )
- {
- this->process = filter_process;
- this->close = filter_close;
- f0r_init();
- properties=MLT_FILTER_PROPERTIES ( this );
-
- for (i=0;i<info.num_params;i++){
- f0r_param_info_t pinfo;
- f0r_get_param_info(&pinfo,i);
-
- }
-
- ret=this;
- }
- }else if (type == transition_type && info.plugin_type == F0R_PLUGIN_TYPE_MIXER2){
- mlt_transition transition = mlt_transition_new( );
- if ( transition != NULL )
- {
- transition->process = transition_process;
- transition->close = transition_close;
- properties=MLT_TRANSITION_PROPERTIES( transition );
- mlt_properties_set_int(properties, "_transition_type", 1 );
-
- ret=transition;
- }
- }
- mlt_properties_set_data(properties, "_dlclose_handle", handle , sizeof (void*) , NULL , NULL );
- mlt_properties_set_data(properties, "_dlclose", dlclose , sizeof (void*) , NULL , NULL );
- mlt_properties_set_data(properties, "f0r_construct", f0r_construct , sizeof(void*),NULL,NULL);
- mlt_properties_set_data(properties, "f0r_update", f0r_update , sizeof(void*),NULL,NULL);
- if (f0r_update2)
- mlt_properties_set_data(properties, "f0r_update2", f0r_update2 , sizeof(void*),NULL,NULL);
- mlt_properties_set_data(properties, "f0r_destruct", f0r_destruct , sizeof(void*),NULL,NULL);
- mlt_properties_set_data(properties, "f0r_get_plugin_info", f0r_get_plugin_info , sizeof(void*),NULL,NULL);
- mlt_properties_set_data(properties, "f0r_get_param_info", f0r_get_param_info , sizeof(void*),NULL,NULL);
- mlt_properties_set_data(properties, "f0r_set_param_value", f0r_set_param_value , sizeof(void*),NULL,NULL);
- mlt_properties_set_data(properties, "f0r_get_param_value", f0r_get_param_value , sizeof(void*),NULL,NULL);
-
-
- return ret;
- }else{
- printf("some was wrong\n");
- dlerror();
- }
- return NULL;
-}
-
-static void * create_frei0r_item ( mlt_profile profile, mlt_service_type type, const char *id, void *arg){
-
- mlt_tokeniser tokeniser = mlt_tokeniser_init ( );
- int dircount=mlt_tokeniser_parse_new (
- tokeniser,
- getenv("MLT_FREI0R_PLUGIN_PATH") ? getenv("MLT_FREI0R_PLUGIN_PATH") : FREI0R_PLUGIN_PATH,
- ":"
- );
- void* ret=NULL;
- while (dircount--){
- char soname[1024]="";
-
- char *save_firstptr = NULL;
- char *firstname=strtok_r(strdup(id),".",&save_firstptr);
-
- firstname=strtok_r(NULL,".",&save_firstptr);
- sprintf(soname,"%s/%s.so", mlt_tokeniser_get_string( tokeniser , dircount ) , firstname );
-
- if (firstname){
-
- void* handle=dlopen(soname,RTLD_LAZY);
-
- if (handle ){
- ret=load_lib ( profile , type , handle );
- }else{
- dlerror();
- }
- }
- }
- mlt_tokeniser_close ( tokeniser );
- return ret;
-}
-
-
-MLT_REPOSITORY
-{
- int i=0;
- mlt_tokeniser tokeniser = mlt_tokeniser_init ( );
- int dircount=mlt_tokeniser_parse_new (
- tokeniser ,
- getenv("MLT_FREI0R_PLUGIN_PATH") ? getenv("MLT_FREI0R_PLUGIN_PATH") : FREI0R_PLUGIN_PATH,
- ":"
- );
-
- while (dircount--){
-
- mlt_properties direntries = mlt_properties_new();
- char* dirname = mlt_tokeniser_get_string ( tokeniser , dircount ) ;
- mlt_properties_dir_list(direntries, dirname ,"*.so",1);
-
- for (i=0;i<mlt_properties_count(direntries);i++){
- char* name=mlt_properties_get_value(direntries,i);
- char* shortname=name+strlen(dirname)+1;
- char fname[1024]="";
-
- strcat(fname,dirname);
- strcat(fname,shortname);
-
- char *save_firstptr = NULL;
- char pluginname[1024]="frei0r.";
- char* firstname = strtok_r ( shortname , "." , &save_firstptr );
- strcat(pluginname,firstname);
-
- void* handle=dlopen(strcat(name,".so"),RTLD_LAZY);
- if (handle){
- void (*plginfo)(f0r_plugin_info_t*)=dlsym(handle,"f0r_get_plugin_info");
-
- if (plginfo){
- f0r_plugin_info_t info;
- plginfo(&info);
- if (firstname && info.plugin_type==F0R_PLUGIN_TYPE_SOURCE){
- MLT_REGISTER( producer_type, pluginname, create_frei0r_item );
- MLT_REGISTER_METADATA( producer_type, pluginname, fill_param_info, strdup(name) );
- }
- else if (firstname && info.plugin_type==F0R_PLUGIN_TYPE_FILTER){
- MLT_REGISTER( filter_type, pluginname, create_frei0r_item );
- MLT_REGISTER_METADATA( filter_type, pluginname, fill_param_info, strdup(name) );
- }
- else if (firstname && info.plugin_type==F0R_PLUGIN_TYPE_MIXER2 ){
- MLT_REGISTER( transition_type, pluginname, create_frei0r_item );
- MLT_REGISTER_METADATA( transition_type, pluginname, fill_param_info, strdup(name) );
- }
- }
- dlclose(handle);
- }
- }
- mlt_properties_close(direntries);
- }
- mlt_tokeniser_close ( tokeniser );
-}
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