* decoders.
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
+ * $Id: input.c,v 1.93 2001/03/15 01:42:20 sam Exp $
*
- * Authors:
+ * Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <string.h>
#include <errno.h>
+/* Network functions */
+
+#ifndef SYS_BEOS
+#include <netdb.h> /* hostent ... */
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+
+#ifdef STATS
+# include <sys/times.h>
+#endif
+
#include "config.h"
#include "common.h"
#include "threads.h"
#include "mtime.h"
+#include "netutils.h"
+#include "modules.h"
#include "intf_msg.h"
+#include "intf_playlist.h"
#include "stream_control.h"
#include "input_ext-intf.h"
#include "input_ext-dec.h"
#include "input.h"
+#include "interface.h"
+
+#include "main.h"
+
+ /* #include <netutils.h> */
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static void RunThread ( input_thread_t *p_input );
-static void InitThread ( input_thread_t *p_input );
-static void ErrorThread ( input_thread_t *p_input );
-static void EndThread ( input_thread_t *p_input );
-static void NetworkOpen ( input_thread_t *p_input );
-static void FileOpen ( input_thread_t *p_input );
+static void RunThread ( input_thread_t *p_input );
+static int InitThread ( input_thread_t *p_input );
+static void ErrorThread ( input_thread_t *p_input );
+static void DestroyThread ( input_thread_t *p_input );
+static void EndThread ( input_thread_t *p_input );
/*****************************************************************************
* input_CreateThread: creates a new input thread
* If pi_status is NULL, then the function will block until the thread is ready.
* If not, it will be updated using one of the THREAD_* constants.
*****************************************************************************/
-input_thread_t *input_CreateThread ( input_config_t * p_config, int *pi_status )
+input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
{
input_thread_t * p_input; /* thread descriptor */
int i_status; /* thread status */
- int i;
/* Allocate descriptor */
- intf_DbgMsg("\n");
p_input = (input_thread_t *)malloc( sizeof(input_thread_t) );
if( p_input == NULL )
{
- intf_ErrMsg("error: %s\n", strerror(errno));
- free( p_config );
+ intf_ErrMsg( "input error: can't allocate input thread (%s)",
+ strerror(errno) );
return( NULL );
}
+ /* Packets read once */
+ p_input->i_read_once = INPUT_READ_ONCE;
+
/* Initialize thread properties */
p_input->b_die = 0;
p_input->b_error = 0;
+ p_input->b_eof = 0;
+
+ /* Set target */
+ p_input->p_source = p_item->psz_name;
+
/* I have never understood that stuff --Meuuh */
p_input->pi_status = (pi_status != NULL) ? pi_status : &i_status;
*p_input->pi_status = THREAD_CREATE;
- p_input->p_config = p_config;
/* Initialize stream description */
- for( i = 0; i < INPUT_MAX_SELECTED_ES; i++ )
- {
- p_input->pp_selected_es[i] = NULL;
- }
- for( i= 0; i < INPUT_MAX_ES; i++ )
- {
- p_input->p_es[i].i_id = EMPTY_ID;
- }
+ p_input->stream.i_es_number = 0;
+ p_input->stream.i_selected_es_number = 0;
p_input->stream.i_pgrm_number = 0;
+ p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
+ p_input->stream.i_mux_rate = 0;
+
+ p_input->stream.i_area_nb = 0;
+ p_input->stream.pp_areas = NULL;
+ /* By default there is one areas in a stream */
+ input_AddArea( p_input );
+ p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
+ p_input->stream.p_selected_area->i_seek = NO_SEEK;
/* Initialize stream control properties. */
p_input->stream.control.i_status = PLAYING_S;
p_input->stream.control.i_rate = DEFAULT_RATE;
- p_input->stream.control.i_ref_sysdate = 0;
- p_input->stream.control.i_ref_clock = 0;
p_input->stream.control.b_mute = 0;
p_input->stream.control.b_bw = 0;
+ /* Initialize default settings for spawned decoders */
+ p_input->p_default_aout = p_main->p_aout;
+ p_input->p_default_vout = p_main->p_vout;
+
/* Create thread and set locks. */
vlc_mutex_init( &p_input->stream.stream_lock );
+ vlc_cond_init( &p_input->stream.stream_wait );
vlc_mutex_init( &p_input->stream.control.control_lock );
if( vlc_thread_create( &p_input->thread_id, "input", (void *) RunThread,
(void *) p_input ) )
{
- intf_ErrMsg("error: %s\n", strerror(errno) );
+ intf_ErrMsg( "input error: can't create input thread (%s)",
+ strerror(errno) );
free( p_input );
- free( p_config );
return( NULL );
}
/* Request thread destruction */
p_input->b_die = 1;
+ /* Make the thread exit of an eventual vlc_cond_wait() */
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+ vlc_cond_signal( &p_input->stream.stream_wait );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
/* If status is NULL, wait until thread has been destroyed */
if( pi_status == NULL )
{
*****************************************************************************/
static void RunThread( input_thread_t *p_input )
{
- data_packet_t * pp_packets[INPUT_READ_ONCE];
+ int i_error, i;
- InitThread( p_input );
+ if( InitThread( p_input ) )
+ {
- while( !p_input->b_die && !p_input->b_error )
+ /* If we failed, wait before we are killed, and exit */
+ *p_input->pi_status = THREAD_ERROR;
+ p_input->b_error = 1;
+ ErrorThread( p_input );
+ DestroyThread( p_input );
+ return;
+ }
+
+ while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
{
+ data_packet_t * pp_packets[p_input->i_read_once];
+
#ifdef STATS
p_input->c_loops++;
#endif
- vlc_mutex_lock( &p_input->stream.control.control_lock );
- if( p_input->stream.control.i_status == BACKWARD_S
- && p_input->p_plugin->pf_rewind != NULL )
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+ if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
{
- p_input->p_plugin->pf_rewind( p_input );
- /* FIXME: probably don't do it every loop, but when ? */
+ if( p_input->stream.b_seekable && p_input->pf_seek != NULL )
+ {
+ p_input->pf_seek( p_input,
+ p_input->stream.p_selected_area->i_seek );
+
+ for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
+ {
+ pgrm_descriptor_t * p_pgrm
+ = p_input->stream.pp_programs[i];
+ /* Escape all decoders for the stream discontinuity they
+ * will encounter. */
+ input_EscapeDiscontinuity( p_input, p_pgrm );
+
+ /* Reinitialize synchro. */
+ p_pgrm->i_synchro_state = SYNCHRO_REINIT;
+ }
+ }
+ p_input->stream.p_selected_area->i_seek = NO_SEEK;
}
- vlc_mutex_unlock( &p_input->stream.control.control_lock );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
- p_input->p_plugin->pf_read( p_input, pp_packets );
- if( !p_input->b_error )
+ i_error = p_input->pf_read( p_input, pp_packets );
+
+ /* Demultiplex read packets. */
+ for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
{
- int i;
+ p_input->pf_demux( p_input, pp_packets[i] );
+ }
- for( i = 0; i < INPUT_READ_ONCE && pp_packets[i] != NULL; i++ )
+ if( i_error )
+ {
+ if( i_error == 1 )
+ {
+ /* End of file - we do not set b_die because only the
+ * interface is allowed to do so. */
+ intf_WarnMsg( 1, "End of file reached" );
+ p_input->b_eof = 1;
+ }
+ else
{
- p_input->p_plugin->pf_demux( p_input, pp_packets[i] );
+ p_input->b_error = 1;
}
}
}
- if( p_input->b_error )
+ if( p_input->b_error || p_input->b_eof )
{
ErrorThread( p_input );
}
EndThread( p_input );
+
+ DestroyThread( p_input );
+
intf_DbgMsg("Thread end");
}
/*****************************************************************************
- * InitThread: init the input thread
+ * InitThread: init the input Thread
*****************************************************************************/
-input_capabilities_t * PSKludge( void );
-static void InitThread( input_thread_t * p_input )
+static int InitThread( input_thread_t * p_input )
{
- /* Initialize default settings for spawned decoders */
- p_input->p_default_aout = p_input->p_config->p_default_aout;
- p_input->p_default_vout = p_input->p_config->p_default_vout;
#ifdef STATS
/* Initialize statistics */
p_input->c_packets_trashed = 0;
#endif
- /* Use the appropriate input method */
- switch( p_input->p_config->i_method )
+ p_input->p_input_module = module_Need( p_main->p_bank,
+ MODULE_CAPABILITY_INPUT,
+ (probedata_t *)p_input );
+
+ if( p_input->p_input_module == NULL )
{
- case INPUT_METHOD_FILE: /* file methods */
- FileOpen( p_input );
- break;
- case INPUT_METHOD_VLAN_BCAST: /* vlan network method */
-/* if( !p_main->b_vlans )
- {
- intf_ErrMsg("error: vlans are not activated\n");
- free( p_input );
- return( NULL );
- } */ /* la-lala */
- /* ... pass through */
- case INPUT_METHOD_UCAST: /* network methods */
- case INPUT_METHOD_MCAST:
- case INPUT_METHOD_BCAST:
- NetworkOpen( p_input );
- break;
-#ifdef DEBUG
- default:
- intf_ErrMsg("Unknow input method");
- free( p_input->p_config );
- p_input->b_error = 1;
- break;
-#endif
+ intf_ErrMsg( "input error: no suitable input module for `%s'",
+ p_input->p_source );
+ return( -1 );
}
- free( p_input->p_config );
+#define f p_input->p_input_module->p_functions->input.functions.input
+ p_input->pf_init = f.pf_init;
+ p_input->pf_open = f.pf_open;
+ p_input->pf_close = f.pf_close;
+ p_input->pf_end = f.pf_end;
+ p_input->pf_read = f.pf_read;
+ p_input->pf_set_area = f.pf_set_area;
+ p_input->pf_demux = f.pf_demux;
+ p_input->pf_new_packet = f.pf_new_packet;
+ p_input->pf_new_pes = f.pf_new_pes;
+ p_input->pf_delete_packet = f.pf_delete_packet;
+ p_input->pf_delete_pes = f.pf_delete_pes;
+ p_input->pf_rewind = f.pf_rewind;
+ p_input->pf_seek = f.pf_seek;
+#undef f
+ p_input->pf_open( p_input );
- /* Probe plugin (FIXME: load plugins before & write this) */
- p_input->p_plugin = PSKludge();
- p_input->p_plugin->pf_init( p_input );
+ if( p_input->b_error )
+ {
+ /* We barfed -- exit nicely */
+ p_input->pf_close( p_input );
+ module_Unneed( p_main->p_bank, p_input->p_input_module );
+ return( -1 );
+ }
+
+ p_input->pf_init( p_input );
*p_input->pi_status = THREAD_READY;
+
+ return( 0 );
}
/*****************************************************************************
static void EndThread( input_thread_t * p_input )
{
int * pi_status; /* thread status */
- int i_es_loop; /* es index */
/* Store status */
pi_status = p_input->pi_status;
*pi_status = THREAD_END;
- /* Destroy all decoder threads */
- for( i_es_loop = 0;
- (i_es_loop < INPUT_MAX_ES)
- && (p_input->pp_selected_es[i_es_loop] != NULL) ;
- i_es_loop++ )
+#ifdef STATS
{
- p_input->pp_selected_es[i_es_loop]->p_decoder_fifo->b_die = 1;
- /* Make sure the thread leaves the GetByte() function */
- vlc_mutex_lock( &p_input->pp_selected_es[i_es_loop]->p_decoder_fifo->data_lock);
- vlc_cond_signal( &p_input->pp_selected_es[i_es_loop]->p_decoder_fifo->data_wait );
- vlc_mutex_unlock( &p_input->pp_selected_es[i_es_loop]->p_decoder_fifo->data_lock );
-
- /* Waiting for the thread to exit */
- vlc_thread_join( p_input->pp_selected_es[i_es_loop]->thread_id );
- free( p_input->pp_selected_es[i_es_loop]->p_decoder_fifo );
+ struct tms cpu_usage;
+ times( &cpu_usage );
+
+ intf_Msg("input stats: cpu usage (user: %d, system: %d)",
+ cpu_usage.tms_utime, cpu_usage.tms_stime);
}
+#endif
+
+ /* Free all ES and destroy all decoder threads */
+ input_EndStream( p_input );
/* Free demultiplexer's data */
+ p_input->pf_end( p_input );
+
+ /* Close stream */
+ p_input->pf_close( p_input );
+
+ /* Release modules */
+ module_Unneed( p_main->p_bank, p_input->p_input_module );
- /* Update status */
- *pi_status = THREAD_OVER;
}
/*****************************************************************************
- * NetworkOpen : open a network socket descriptor
+ * DestroyThread: destroy the input thread
*****************************************************************************/
-static void NetworkOpen( input_thread_t * p_input )
+static void DestroyThread( input_thread_t * p_input )
{
- /* straight copy & paste of input_network.c of input-I */
+ int * pi_status; /* thread status */
- /* We cannot rewind nor lseek() */
- p_input->stream.b_seekable = 0;
- /* We cannot control the pace */
- p_input->stream.b_pace_control = 0;
+ /* Store status */
+ pi_status = p_input->pi_status;
+
+ /* Destroy Mutex locks */
+ vlc_mutex_destroy( &p_input->stream.control.control_lock );
+ vlc_mutex_destroy( &p_input->stream.stream_lock );
+
+ /* Free input structure */
+ free( p_input );
+
+ /* Update status */
+ *pi_status = THREAD_OVER;
}
/*****************************************************************************
- * FileOpen : open a file descriptor
+ * input_FileOpen : open a file descriptor
*****************************************************************************/
-static void FileOpen( input_thread_t * p_input )
+void input_FileOpen( input_thread_t * p_input )
{
struct stat stat_info;
+ int i_stat;
-#define p_config p_input->p_config
+ char *psz_name = p_input->p_source;
- if( !strncmp( p_config->p_source, "-", 1 ) )
+ /* FIXME: this code ought to be in the plugin so that code can
+ * be shared with the *_Probe function */
+ if( ( i_stat = stat( psz_name, &stat_info ) ) == (-1) )
{
- /* stdin */
- p_input->i_handle = 0;
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.b_pace_control = 1;
- p_input->stream.b_seekable = 0;
- p_input->stream.i_size = 0;
- p_input->stream.i_tell = 0;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- }
- else
- {
- if( stat( p_config->p_source, &stat_info ) == (-1) )
- {
- intf_ErrMsg("Cannot stat() file %s (%s)", p_config->p_source,
- strerror(errno));
- p_input->b_error = 1;
- return;
- }
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
+ int i_size = strlen( psz_name );
- /* If we are here we can control the pace... */
- p_input->stream.b_pace_control = 1;
-
- if( S_ISREG(stat_info.st_mode) || S_ISCHR(stat_info.st_mode)
- || S_ISBLK(stat_info.st_mode) )
+ if( ( i_size > 4 )
+ && !strncasecmp( psz_name, "dvd:", 4 ) )
{
- p_input->stream.b_seekable = 1;
- p_input->stream.i_size = stat_info.st_size;
+ /* get rid of the 'dvd:' stuff and try again */
+ psz_name += 4;
+ i_stat = stat( psz_name, &stat_info );
}
- else if( S_ISFIFO(stat_info.st_mode) || S_ISSOCK(stat_info.st_mode) )
+ else if( ( i_size > 5 )
+ && !strncasecmp( psz_name, "file:", 5 ) )
{
- p_input->stream.b_seekable = 0;
- p_input->stream.i_size = 0;
+ /* get rid of the 'file:' stuff and try again */
+ psz_name += 5;
+ i_stat = stat( psz_name, &stat_info );
}
- else
+
+ if( i_stat == (-1) )
{
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- intf_ErrMsg("Unknown file type");
+ intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
+ psz_name, strerror(errno));
p_input->b_error = 1;
return;
}
+ }
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ /* If we are here we can control the pace... */
+ p_input->stream.b_pace_control = 1;
- p_input->stream.i_tell = 0;
+ if( S_ISREG(stat_info.st_mode) || S_ISCHR(stat_info.st_mode)
+ || S_ISBLK(stat_info.st_mode) )
+ {
+ p_input->stream.b_seekable = 1;
+ p_input->stream.p_selected_area->i_size = stat_info.st_size;
+ }
+ else if( S_ISFIFO(stat_info.st_mode)
+#ifndef SYS_BEOS
+ || S_ISSOCK(stat_info.st_mode)
+#endif
+ )
+ {
+ p_input->stream.b_seekable = 0;
+ p_input->stream.p_selected_area->i_size = 0;
+ }
+ else
+ {
vlc_mutex_unlock( &p_input->stream.stream_lock );
+ intf_ErrMsg( "input error: unknown file type for `%s'",
+ psz_name );
+ p_input->b_error = 1;
+ return;
+ }
- intf_Msg( "Opening file %s", p_config->p_source );
- if( (p_input->i_handle = open( p_config->p_source,
- /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
- {
- intf_ErrMsg("Cannot open file (%s)", strerror(errno));
- p_input->b_error = 1;
- return;
- }
+ p_input->stream.p_selected_area->i_tell = 0;
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ intf_Msg( "input: opening %s", p_input->p_source );
+ if( (p_input->i_handle = open( psz_name,
+ /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
+ {
+ intf_ErrMsg( "input error: cannot open file (%s)", strerror(errno) );
+ p_input->b_error = 1;
+ return;
}
-#undef p_config
}
+
+/*****************************************************************************
+ * input_FileClose : close a file descriptor
+ *****************************************************************************/
+void input_FileClose( input_thread_t * p_input )
+{
+ close( p_input->i_handle );
+
+ return;
+}
+
+
+#ifndef SYS_BEOS
+/*****************************************************************************
+ * input_NetworkOpen : open a network socket
+ *****************************************************************************/
+void input_NetworkOpen( input_thread_t * p_input )
+{
+
+ int i_option_value, i_port;
+ struct sockaddr_in s_socket;
+ boolean_t b_broadcast;
+
+ /* FIXME : we don't handle channels for the moment */
+
+ /* Get the remote server */
+ if( p_input->p_source == NULL )
+ {
+ p_input->p_source = main_GetPszVariable( INPUT_SERVER_VAR,
+ INPUT_SERVER_DEFAULT );
+ }
+
+ /* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
+ * protocol */
+ p_input->i_handle = socket( AF_INET, SOCK_DGRAM, 0 );
+ if( p_input->i_handle == -1 )
+ {
+ intf_ErrMsg("NetworkOpen : can't create socket : %s", strerror(errno));
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* We may want to reuse an already used socket */
+ i_option_value = 1;
+ if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
+ &i_option_value,sizeof( i_option_value ) ) == -1 )
+ {
+ intf_ErrMsg("NetworkOpen : can't configure socket (SO_REUSEADDR: %s)",
+ strerror(errno));
+ close( p_input->i_handle );
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
+ * packet loss caused by scheduling problems */
+ i_option_value = 524288;
+ if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF, &i_option_value,
+ sizeof( i_option_value ) ) == -1 )
+ {
+ intf_ErrMsg("NetworkOpen : can't configure socket (SO_RCVBUF: %s)",
+ strerror(errno));
+ close( p_input->i_handle );
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* Get details about what we are supposed to do */
+ b_broadcast = (boolean_t)main_GetIntVariable( INPUT_BROADCAST_VAR, 0 );
+ i_port = main_GetIntVariable( INPUT_PORT_VAR, INPUT_PORT_DEFAULT );
+
+ /* TODO : here deal with channel stufs */
+
+ /* Build the local socket */
+ if ( network_BuildLocalAddr( &s_socket, i_port, b_broadcast )
+ == -1 )
+ {
+ close( p_input->i_handle );
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* Bind it */
+ if( bind( p_input->i_handle, (struct sockaddr *)&s_socket,
+ sizeof( s_socket ) ) < 0 )
+ {
+ intf_ErrMsg("NetworkOpen: can't bind socket (%s)", strerror(errno));
+ close( p_input->i_handle );
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* Build socket for remote connection */
+ if ( network_BuildRemoteAddr( &s_socket, p_input->p_source )
+ == -1 )
+ {
+ close( p_input->i_handle );
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* And connect it ... should we really connect ? */
+ if( connect( p_input->i_handle, (struct sockaddr *) &s_socket,
+ sizeof( s_socket ) ) == (-1) )
+ {
+ intf_ErrMsg("NetworkOpen: can't connect socket" );
+ close( p_input->i_handle );
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* We can't pace control, but FIXME : bug in meuuh's code to sync PCR
+ * with the server. */
+ p_input->stream.b_pace_control = 1;
+
+ return;
+}
+
+/*****************************************************************************
+ * input_NetworkClose : close a network socket
+ *****************************************************************************/
+void input_NetworkClose( input_thread_t * p_input )
+{
+ close( p_input->i_handle );
+ /* FIXME: deal with channels */
+}
+#endif