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