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

   1 /**
   2  * MltMiracle.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 "MltMiracle.h"
  22 #include "MltService.h"
  23 #include "MltResponse.h"
  24 using namespace Mlt;
  25
  26 #include <time.h>
  27
  28 static valerie_response mlt_miracle_execute( void *arg, char *command )
  29 {
  30         Miracle *miracle = ( Miracle * )arg;
  31         if ( miracle != NULL )
  32         {
  33                 Response *response = miracle->execute( command );
  34                 valerie_response real = valerie_response_clone( response->get_response( ) );
  35                 delete response;
  36                 return real;
  37         }
  38         else
  39         {
  40                 valerie_response response = valerie_response_init( );
  41                 valerie_response_set_error( response, 500, "Invalid server" );
  42                 return response;
  43         }
  44 }
  45
  46 static valerie_response mlt_miracle_push( void *arg, char *command, mlt_service service )
  47 {
  48         Miracle *miracle = ( Miracle * )arg;
  49         if ( miracle != NULL )
  50         {
  51                 Service input( service );
  52                 Response *response = miracle->push( command, &input );
  53                 valerie_response real = valerie_response_clone( response->get_response( ) );
  54                 delete response;
  55                 return real;
  56         }
  57         else
  58         {
  59                 valerie_response response = valerie_response_init( );
  60                 valerie_response_set_error( response, 500, "Invalid server" );
  61                 return response;
  62         }
  63 }
  64
  65 Miracle::Miracle( char *name, int port, char *config )
  66 {
  67         server = miracle_server_init( name );
  68         miracle_server_set_port( server, port );
  69         miracle_server_set_config( server, config );
  70 }
  71
  72 Miracle::~Miracle( )
  73 {
  74         miracle_server_close( server );
  75 }
  76
  77 bool Miracle::start( )
  78 {
  79         miracle_server_execute( server );
  80         _real = server->parser->real;
  81         _execute = server->parser->execute;
  82         _push = server->parser->push;
  83         server->parser->real = this;
  84         server->parser->execute = mlt_miracle_execute;
  85         server->parser->push = mlt_miracle_push;
  86         return server->shutdown == 0;
  87 }
  88
  89 bool Miracle::is_running( )
  90 {
  91         return server->shutdown == 0;
  92 }
  93
  94 Response *Miracle::execute( char *command )
  95 {
  96         return new Response( _execute( _real, command ) );
  97 }
  98
  99 Response *Miracle::push( char *command, Service *service )
 100 {
 101         return new Response( _push( _real, command, service->get_service( ) ) );
 102 }
 103
 104 void Miracle::wait_for_shutdown( )
 105 {
 106         struct timespec tm = { 1, 0 };
 107         while ( !server->shutdown )
 108                 nanosleep( &tm, NULL );
 109 }
 110