research.m1stereo.tv/gitweb/ - melted/blob - src/miracle/miracle.c

   1 /*
   2  * miracle.c -- MLT Video TCP Server
   3  *
   4  * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
   5  * Authors:
   6  *     Dan Dennedy <dan@dennedy.org>
   7  *     Charles Yates <charles.yates@pandora.be>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  */
  23
  24 /* System header files */
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <sys/types.h>
  29 #include <unistd.h>
  30 #include <time.h>
  31 #include <sched.h>
  32
  33 #include <framework/mlt.h>
  34
  35 /* Application header files */
  36 #include "miracle_server.h"
  37 #include "miracle_log.h"
  38
  39 /** Our dv server.
  40 */
  41
  42 static miracle_server server = NULL;
  43
  44 /** atexit shutdown handler for the server.
  45 */
  46
  47 static void main_cleanup( )
  48 {
  49         miracle_server_close( server );
  50 }
  51
  52 /** Report usage and exit.
  53 */
  54
  55 void usage( char *app )
  56 {
  57         fprintf( stderr, "Usage: %s [-test] [-port NNNN]\n", app );
  58         exit( 0 );
  59 }
  60
  61 /** The main function.
  62 */
  63
  64 int main( int argc, char **argv )
  65 {
  66         int error = 0;
  67         int index = 0;
  68         int background = 1;
  69         struct timespec tm = { 5, 0 };
  70         struct sched_param scp;
  71
  72         // Use realtime scheduling if possible
  73         memset( &scp, '\0', sizeof( scp ) );
  74         scp.sched_priority = sched_get_priority_max( SCHED_FIFO ) - 1;
  75 #ifndef __DARWIN__
  76         sched_setscheduler( 0, SCHED_FIFO, &scp );
  77 #endif
  78
  79         mlt_factory_init( NULL );
  80
  81         server = miracle_server_init( argv[ 0 ] );
  82
  83         for ( index = 1; index < argc; index ++ )
  84         {
  85                 if ( !strcmp( argv[ index ], "-port" ) )
  86                         miracle_server_set_port( server, atoi( argv[ ++ index ] ) );
  87                 else if ( !strcmp( argv[ index ], "-proxy" ) )
  88                         miracle_server_set_proxy( server, argv[ ++ index ] );
  89                 else if ( !strcmp( argv[ index ], "-test" ) )
  90                         background = 0;
  91                 else
  92                         usage( argv[ 0 ] );
  93         }
  94
  95         /* Optionally detatch ourselves from the controlling tty */
  96
  97         if ( background )
  98         {
  99                 if ( fork() )
 100                         return 0;
 101                 setsid();
 102                 miracle_log_init( log_syslog, LOG_INFO );
 103         }
 104         else
 105         {
 106                 miracle_log_init( log_stderr, LOG_DEBUG );
 107         }
 108
 109         atexit( main_cleanup );
 110
 111         /* Set the config script */
 112         miracle_server_set_config( server, "/etc/miracle.conf" );
 113
 114         /* Execute the server */
 115         error = miracle_server_execute( server );
 116
 117         /* We need to wait until we're exited.. */
 118         while ( !server->shutdown )
 119                 nanosleep( &tm, NULL );
 120
 121         return error;
 122 }