mirror of https://code.videolan.org/videolan/vlc
netsync.c: converted to unix file because BeOS' gcc chokes on dos files
This commit is contained in:
Eric Petit
parent
64f0cbff55
commit
9cb381a08b
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@ -1,340 +1,340 @@
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/*****************************************************************************
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* netsync.c: synchronisation between several network clients.
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*****************************************************************************
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* Copyright (C) 2004 VideoLAN
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <stdlib.h>
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#include <vlc/vlc.h>
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#include <vlc/intf.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#include <sys/types.h>
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#ifdef WIN32
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# include <winsock2.h>
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# include <ws2tcpip.h>
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# ifndef IN_MULTICAST
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# define IN_MULTICAST(a) IN_CLASSD(a)
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# endif
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#else
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# include <sys/socket.h>
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# include <netinet/in.h>
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# if HAVE_ARPA_INET_H
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# include <arpa/inet.h>
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# elif defined( SYS_BEOS )
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# include <net/netdb.h>
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# endif
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#endif
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#ifdef UNDER_CE
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# define close(a) CloseHandle(a);
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#elif defined( WIN32 )
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# define close(a) closesocket(a);
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#endif
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#include "network.h"
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#define NETSYNC_PORT_MASTER 9875
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#define NETSYNC_PORT_SLAVE 9876
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/* Needed for Solaris */
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#ifndef INADDR_NONE
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#define INADDR_NONE 0xffffffff
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#endif
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Activate( vlc_object_t * );
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static void Close ( vlc_object_t * );
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static mtime_t GetClockRef( intf_thread_t *, mtime_t );
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#define NETSYNC_TEXT N_( "Act as master for network synchronisation" )
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#define NETSYNC_LONGTEXT N_( "Allows you to specify if this client should " \
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"act as the master client for the network synchronisation." )
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#define MIP_TEXT N_( "Master client ip address" )
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#define MIP_LONGTEXT N_( "Allows you to specify the ip address of " \
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"the master client used for the network synchronisation." )
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vlc_module_begin();
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set_description( _("Network synchronisation") );
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add_bool( "netsync-master", 0, NULL,
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NETSYNC_TEXT, NETSYNC_LONGTEXT, VLC_TRUE );
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add_string( "netsync-master-ip", NULL, NULL, MIP_TEXT, MIP_LONGTEXT,
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VLC_TRUE );
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set_capability( "interface", 0 );
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set_callbacks( Activate, Close );
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vlc_module_end();
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struct intf_sys_t
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{
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input_thread_t *p_input;
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};
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static void Run( intf_thread_t *p_intf );
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/*****************************************************************************
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* Activate: initialize and create stuff
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*****************************************************************************/
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static int Activate( vlc_object_t *p_this )
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{
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intf_thread_t *p_intf = (intf_thread_t*)p_this;
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msg_Info( p_intf, "Using the netsync interface module..." );
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p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
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if( !p_intf->p_sys )
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{
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msg_Err( p_intf, "no memory" );
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return VLC_ENOMEM;
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}
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p_intf->p_sys->p_input = NULL;
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p_intf->pf_run = Run;
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close: destroy interface
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*****************************************************************************/
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void Close( vlc_object_t *p_this )
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{
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intf_thread_t *p_intf = (intf_thread_t*)p_this;
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free( p_intf->p_sys );
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}
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/*****************************************************************************
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* Run: interface thread
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*****************************************************************************/
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static void Run( intf_thread_t *p_intf )
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{
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#define MAX_MSG_LENGTH (2 * sizeof(int64_t))
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vlc_bool_t b_master = config_GetInt( p_intf, "netsync-master" );
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char *psz_master;
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char p_data[MAX_MSG_LENGTH];
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int i_socket;
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if( !b_master )
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{
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psz_master = config_GetPsz( p_intf, "netsync-master-ip" );
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if( psz_master == NULL )
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{
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msg_Err( p_intf, "master address not specified" );
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return;
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}
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}
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i_socket = net_OpenUDP( p_intf, NULL,
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b_master ? NETSYNC_PORT_MASTER : NETSYNC_PORT_SLAVE,
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b_master ? NULL : psz_master,
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b_master ? 0 : NETSYNC_PORT_MASTER );
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if( !b_master )
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free( psz_master );
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if( i_socket < 0 )
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{
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msg_Err( p_intf, "failed opening UDP socket." );
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return;
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}
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/* High priority thread */
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vlc_thread_set_priority( p_intf, VLC_THREAD_PRIORITY_INPUT );
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while( !p_intf->b_die )
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{
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struct timeval timeout;
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fd_set fds_r;
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/* Update the input */
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if( p_intf->p_sys->p_input == NULL )
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{
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p_intf->p_sys->p_input =
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(input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
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FIND_ANYWHERE );
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}
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else if( p_intf->p_sys->p_input->b_dead )
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{
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vlc_object_release( p_intf->p_sys->p_input );
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p_intf->p_sys->p_input = NULL;
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}
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if( p_intf->p_sys->p_input == NULL )
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{
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/* Wait a bit */
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msleep( INTF_IDLE_SLEEP );
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continue;
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}
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/*
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* We now have an input
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*/
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/* Initialize file descriptor set and timeout (0.5s) */
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FD_ZERO( &fds_r );
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FD_SET( i_socket, &fds_r );
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timeout.tv_sec = 0;
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timeout.tv_usec = 500000;
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if( b_master )
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{
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struct sockaddr_storage from;
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mtime_t i_date, i_clockref, i_master_clockref;
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int i_struct_size, i_read, i_ret;
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/* Don't block */
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i_ret = select( i_socket + 1, &fds_r, 0, 0, &timeout );
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if( i_ret == 0 ) continue;
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if( i_ret < 0 )
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{
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/* Wait a bit */
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msleep( INTF_IDLE_SLEEP );
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continue;
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}
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/* We received something */
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i_struct_size = sizeof( from );
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i_read = recvfrom( i_socket, p_data, MAX_MSG_LENGTH, 0,
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(struct sockaddr*)&from, &i_struct_size );
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i_clockref = ntoh64(*(int64_t *)p_data);
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i_date = mdate();
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*(int64_t *)p_data = hton64( i_date );
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i_master_clockref = GetClockRef( p_intf, i_clockref );
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*(((int64_t *)p_data)+1) = hton64( i_master_clockref );
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/* Reply to the sender */
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sendto( i_socket, p_data, 2 * sizeof(int64_t), 0,
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(struct sockaddr *)&from, i_struct_size );
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msg_Dbg( p_intf, "Master clockref: "I64Fd" -> "I64Fd", from %s "
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"(date: "I64Fd")", i_clockref, i_master_clockref,
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from.ss_family == AF_INET
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? inet_ntoa(((struct sockaddr_in *)&from)->sin_addr)
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: "non-IPv4", i_date );
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}
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else
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{
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mtime_t i_send_date, i_receive_date, i_master_date, i_diff_date;
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mtime_t i_master_clockref, i_client_clockref, i_drift;
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mtime_t i_clockref = 0;
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int i_sent, i_read, i_ret;
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/* Send clock request to the master */
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*(int64_t *)p_data = hton64( i_clockref );
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i_send_date = mdate();
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i_sent = send( i_socket, p_data, sizeof(int64_t), 0 );
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if( i_sent <= 0 )
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{
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/* Wait a bit */
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msleep( INTF_IDLE_SLEEP );
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continue;
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}
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/* Don't block */
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i_ret = select(i_socket + 1, &fds_r, 0, 0, &timeout);
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if( i_ret == 0 ) continue;
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if( i_ret < 0 )
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{
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/* Wait a bit */
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msleep( INTF_IDLE_SLEEP );
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continue;
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}
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i_receive_date = mdate();
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i_read = recv( i_socket, p_data, MAX_MSG_LENGTH, 0 );
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if( i_read <= 0 )
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{
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/* Wait a bit */
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msleep( INTF_IDLE_SLEEP );
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continue;
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}
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i_master_date = ntoh64(*(int64_t *)p_data);
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i_master_clockref = ntoh64(*(((int64_t *)p_data)+1));
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i_diff_date = i_receive_date -
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((i_receive_date - i_send_date) / 2 + i_master_date);
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i_client_clockref = i_drift = 0;
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if( p_intf->p_sys->p_input && i_master_clockref )
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{
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i_client_clockref = GetClockRef( p_intf, i_clockref );
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i_drift = i_client_clockref - i_master_clockref - i_diff_date;
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/* Update our clock to match the master's one */
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if( i_client_clockref )
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p_intf->p_sys->p_input->i_pts_delay -= i_drift;
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}
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msg_Dbg( p_intf, "Slave clockref: "I64Fd" -> "I64Fd" -> "I64Fd", "
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"clock diff: "I64Fd" drift: "I64Fd,
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i_clockref, i_master_clockref,
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i_client_clockref, i_diff_date, i_drift );
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/* Wait a bit */
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msleep( INTF_IDLE_SLEEP );
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}
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}
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if( p_intf->p_sys->p_input ) vlc_object_release( p_intf->p_sys->p_input );
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net_Close( i_socket );
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}
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static mtime_t GetClockRef( intf_thread_t *p_intf, mtime_t i_pts )
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{
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input_thread_t *p_input = p_intf->p_sys->p_input;
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pgrm_descriptor_t *p_pgrm;
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if( !p_input ) return 0;
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#if 0
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p_pgrm = p_input->stream.p_selected_program;
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if( p_pgrm ) return input_ClockGetTS( p_input, p_pgrm, i_pts );
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#else
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#warning "This code is currently broken. FIXME!!!"
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#endif
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return 0;
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}
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/*****************************************************************************
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* netsync.c: synchronisation between several network clients.
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*****************************************************************************
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* Copyright (C) 2004 VideoLAN
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <stdlib.h>
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#include <vlc/vlc.h>
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#include <vlc/intf.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#include <sys/types.h>
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#ifdef WIN32
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# include <winsock2.h>
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# include <ws2tcpip.h>
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# ifndef IN_MULTICAST
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# define IN_MULTICAST(a) IN_CLASSD(a)
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# endif
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#else
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# include <sys/socket.h>
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# include <netinet/in.h>
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# if HAVE_ARPA_INET_H
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# include <arpa/inet.h>
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# elif defined( SYS_BEOS )
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# include <net/netdb.h>
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# endif
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#endif
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|
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#ifdef UNDER_CE
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# define close(a) CloseHandle(a);
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#elif defined( WIN32 )
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# define close(a) closesocket(a);
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#endif
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|
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#include "network.h"
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|
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#define NETSYNC_PORT_MASTER 9875
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#define NETSYNC_PORT_SLAVE 9876
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|
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/* Needed for Solaris */
|
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#ifndef INADDR_NONE
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#define INADDR_NONE 0xffffffff
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#endif
|
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|
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/*****************************************************************************
|
||||
* Module descriptor
|
||||
*****************************************************************************/
|
||||
static int Activate( vlc_object_t * );
|
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static void Close ( vlc_object_t * );
|
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|
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static mtime_t GetClockRef( intf_thread_t *, mtime_t );
|
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|
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#define NETSYNC_TEXT N_( "Act as master for network synchronisation" )
|
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#define NETSYNC_LONGTEXT N_( "Allows you to specify if this client should " \
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"act as the master client for the network synchronisation." )
|
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|
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#define MIP_TEXT N_( "Master client ip address" )
|
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#define MIP_LONGTEXT N_( "Allows you to specify the ip address of " \
|
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"the master client used for the network synchronisation." )
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|
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vlc_module_begin();
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set_description( _("Network synchronisation") );
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add_bool( "netsync-master", 0, NULL,
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NETSYNC_TEXT, NETSYNC_LONGTEXT, VLC_TRUE );
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add_string( "netsync-master-ip", NULL, NULL, MIP_TEXT, MIP_LONGTEXT,
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VLC_TRUE );
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set_capability( "interface", 0 );
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set_callbacks( Activate, Close );
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vlc_module_end();
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|
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struct intf_sys_t
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{
|
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input_thread_t *p_input;
|
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};
|
||||
|
||||
/*****************************************************************************
|
||||
* Local prototypes
|
||||
*****************************************************************************/
|
||||
static void Run( intf_thread_t *p_intf );
|
||||
|
||||
/*****************************************************************************
|
||||
* Activate: initialize and create stuff
|
||||
*****************************************************************************/
|
||||
static int Activate( vlc_object_t *p_this )
|
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{
|
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intf_thread_t *p_intf = (intf_thread_t*)p_this;
|
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|
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msg_Info( p_intf, "Using the netsync interface module..." );
|
||||
|
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p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
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||||
if( !p_intf->p_sys )
|
||||
{
|
||||
msg_Err( p_intf, "no memory" );
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return VLC_ENOMEM;
|
||||
}
|
||||
|
||||
p_intf->p_sys->p_input = NULL;
|
||||
|
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p_intf->pf_run = Run;
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return VLC_SUCCESS;
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}
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||||
|
||||
/*****************************************************************************
|
||||
* Close: destroy interface
|
||||
*****************************************************************************/
|
||||
void Close( vlc_object_t *p_this )
|
||||
{
|
||||
intf_thread_t *p_intf = (intf_thread_t*)p_this;
|
||||
|
||||
free( p_intf->p_sys );
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* Run: interface thread
|
||||
*****************************************************************************/
|
||||
static void Run( intf_thread_t *p_intf )
|
||||
{
|
||||
#define MAX_MSG_LENGTH (2 * sizeof(int64_t))
|
||||
|
||||
vlc_bool_t b_master = config_GetInt( p_intf, "netsync-master" );
|
||||
char *psz_master;
|
||||
char p_data[MAX_MSG_LENGTH];
|
||||
int i_socket;
|
||||
|
||||
if( !b_master )
|
||||
{
|
||||
psz_master = config_GetPsz( p_intf, "netsync-master-ip" );
|
||||
if( psz_master == NULL )
|
||||
{
|
||||
msg_Err( p_intf, "master address not specified" );
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
i_socket = net_OpenUDP( p_intf, NULL,
|
||||
b_master ? NETSYNC_PORT_MASTER : NETSYNC_PORT_SLAVE,
|
||||
b_master ? NULL : psz_master,
|
||||
b_master ? 0 : NETSYNC_PORT_MASTER );
|
||||
|
||||
if( !b_master )
|
||||
free( psz_master );
|
||||
|
||||
if( i_socket < 0 )
|
||||
{
|
||||
msg_Err( p_intf, "failed opening UDP socket." );
|
||||
return;
|
||||
}
|
||||
|
||||
/* High priority thread */
|
||||
vlc_thread_set_priority( p_intf, VLC_THREAD_PRIORITY_INPUT );
|
||||
|
||||
while( !p_intf->b_die )
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set fds_r;
|
||||
|
||||
/* Update the input */
|
||||
if( p_intf->p_sys->p_input == NULL )
|
||||
{
|
||||
p_intf->p_sys->p_input =
|
||||
(input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
|
||||
FIND_ANYWHERE );
|
||||
}
|
||||
else if( p_intf->p_sys->p_input->b_dead )
|
||||
{
|
||||
vlc_object_release( p_intf->p_sys->p_input );
|
||||
p_intf->p_sys->p_input = NULL;
|
||||
}
|
||||
|
||||
if( p_intf->p_sys->p_input == NULL )
|
||||
{
|
||||
/* Wait a bit */
|
||||
msleep( INTF_IDLE_SLEEP );
|
||||
continue;
|
||||
}
|
||||
|
||||
/*
|
||||
* We now have an input
|
||||
*/
|
||||
|
||||
/* Initialize file descriptor set and timeout (0.5s) */
|
||||
FD_ZERO( &fds_r );
|
||||
FD_SET( i_socket, &fds_r );
|
||||
timeout.tv_sec = 0;
|
||||
timeout.tv_usec = 500000;
|
||||
|
||||
if( b_master )
|
||||
{
|
||||
struct sockaddr_storage from;
|
||||
mtime_t i_date, i_clockref, i_master_clockref;
|
||||
int i_struct_size, i_read, i_ret;
|
||||
|
||||
/* Don't block */
|
||||
i_ret = select( i_socket + 1, &fds_r, 0, 0, &timeout );
|
||||
if( i_ret == 0 ) continue;
|
||||
if( i_ret < 0 )
|
||||
{
|
||||
/* Wait a bit */
|
||||
msleep( INTF_IDLE_SLEEP );
|
||||
continue;
|
||||
}
|
||||
|
||||
/* We received something */
|
||||
i_struct_size = sizeof( from );
|
||||
i_read = recvfrom( i_socket, p_data, MAX_MSG_LENGTH, 0,
|
||||
(struct sockaddr*)&from, &i_struct_size );
|
||||
|
||||
i_clockref = ntoh64(*(int64_t *)p_data);
|
||||
|
||||
i_date = mdate();
|
||||
*(int64_t *)p_data = hton64( i_date );
|
||||
|
||||
i_master_clockref = GetClockRef( p_intf, i_clockref );
|
||||
*(((int64_t *)p_data)+1) = hton64( i_master_clockref );
|
||||
|
||||
/* Reply to the sender */
|
||||
sendto( i_socket, p_data, 2 * sizeof(int64_t), 0,
|
||||
(struct sockaddr *)&from, i_struct_size );
|
||||
|
||||
msg_Dbg( p_intf, "Master clockref: "I64Fd" -> "I64Fd", from %s "
|
||||
"(date: "I64Fd")", i_clockref, i_master_clockref,
|
||||
from.ss_family == AF_INET
|
||||
? inet_ntoa(((struct sockaddr_in *)&from)->sin_addr)
|
||||
: "non-IPv4", i_date );
|
||||
}
|
||||
else
|
||||
{
|
||||
mtime_t i_send_date, i_receive_date, i_master_date, i_diff_date;
|
||||
mtime_t i_master_clockref, i_client_clockref, i_drift;
|
||||
mtime_t i_clockref = 0;
|
||||
int i_sent, i_read, i_ret;
|
||||
|
||||
/* Send clock request to the master */
|
||||
*(int64_t *)p_data = hton64( i_clockref );
|
||||
i_send_date = mdate();
|
||||
|
||||
i_sent = send( i_socket, p_data, sizeof(int64_t), 0 );
|
||||
if( i_sent <= 0 )
|
||||
{
|
||||
/* Wait a bit */
|
||||
msleep( INTF_IDLE_SLEEP );
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Don't block */
|
||||
i_ret = select(i_socket + 1, &fds_r, 0, 0, &timeout);
|
||||
if( i_ret == 0 ) continue;
|
||||
if( i_ret < 0 )
|
||||
{
|
||||
/* Wait a bit */
|
||||
msleep( INTF_IDLE_SLEEP );
|
||||
continue;
|
||||
}
|
||||
|
||||
i_receive_date = mdate();
|
||||
|
||||
i_read = recv( i_socket, p_data, MAX_MSG_LENGTH, 0 );
|
||||
if( i_read <= 0 )
|
||||
{
|
||||
/* Wait a bit */
|
||||
msleep( INTF_IDLE_SLEEP );
|
||||
continue;
|
||||
}
|
||||
|
||||
i_master_date = ntoh64(*(int64_t *)p_data);
|
||||
i_master_clockref = ntoh64(*(((int64_t *)p_data)+1));
|
||||
|
||||
i_diff_date = i_receive_date -
|
||||
((i_receive_date - i_send_date) / 2 + i_master_date);
|
||||
|
||||
i_client_clockref = i_drift = 0;
|
||||
if( p_intf->p_sys->p_input && i_master_clockref )
|
||||
{
|
||||
i_client_clockref = GetClockRef( p_intf, i_clockref );
|
||||
i_drift = i_client_clockref - i_master_clockref - i_diff_date;
|
||||
|
||||
/* Update our clock to match the master's one */
|
||||
if( i_client_clockref )
|
||||
p_intf->p_sys->p_input->i_pts_delay -= i_drift;
|
||||
}
|
||||
|
||||
msg_Dbg( p_intf, "Slave clockref: "I64Fd" -> "I64Fd" -> "I64Fd", "
|
||||
"clock diff: "I64Fd" drift: "I64Fd,
|
||||
i_clockref, i_master_clockref,
|
||||
i_client_clockref, i_diff_date, i_drift );
|
||||
|
||||
/* Wait a bit */
|
||||
msleep( INTF_IDLE_SLEEP );
|
||||
}
|
||||
}
|
||||
|
||||
if( p_intf->p_sys->p_input ) vlc_object_release( p_intf->p_sys->p_input );
|
||||
net_Close( i_socket );
|
||||
}
|
||||
|
||||
static mtime_t GetClockRef( intf_thread_t *p_intf, mtime_t i_pts )
|
||||
{
|
||||
input_thread_t *p_input = p_intf->p_sys->p_input;
|
||||
pgrm_descriptor_t *p_pgrm;
|
||||
|
||||
if( !p_input ) return 0;
|
||||
|
||||
#if 0
|
||||
p_pgrm = p_input->stream.p_selected_program;
|
||||
if( p_pgrm ) return input_ClockGetTS( p_input, p_pgrm, i_pts );
|
||||
#else
|
||||
#warning "This code is currently broken. FIXME!!!"
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue