* decoders.
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
- * $Id: input.c,v 1.161 2001/11/28 15:08:06 massiot Exp $
+ * $Id: input.c,v 1.169 2002/01/09 02:01:14 sam Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "defs.h"
-
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <videolan/vlc.h>
+
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#elif defined( _MSC_VER ) && defined( _WIN32 )
# include <sys/times.h>
#endif
-#include "config.h"
-#include "common.h"
-#include "intf_msg.h"
-#include "threads.h"
-#include "mtime.h"
-#include "tests.h"
#include "netutils.h"
-#include "modules.h"
#include "intf_playlist.h"
#include "interface.h"
-#include "main.h"
-
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void NetworkClose ( input_thread_t *p_input );
#endif
+/*****************************************************************************
+ * input_InitBank: initialize the input bank.
+ *****************************************************************************/
+void input_InitBank ( void )
+{
+ p_input_bank->i_count = 0;
+
+ /* XXX: Workaround for old interface modules */
+ p_input_bank->pp_input[0] = NULL;
+
+ vlc_mutex_init( &p_input_bank->lock );
+}
+
+/*****************************************************************************
+ * input_EndBank: empty the input bank.
+ *****************************************************************************
+ * This function ends all unused inputs and empties the bank in
+ * case of success.
+ *****************************************************************************/
+void input_EndBank ( void )
+{
+ int i_input;
+
+ /* Ask all remaining video outputs to die */
+ for( i_input = 0; i_input < p_input_bank->i_count; i_input++ )
+ {
+ input_StopThread(
+ p_input_bank->pp_input[ i_input ], NULL );
+ input_DestroyThread(
+ p_input_bank->pp_input[ i_input ] );
+ }
+
+ vlc_mutex_destroy( &p_input_bank->lock );
+}
+
/*****************************************************************************
* input_CreateThread: creates a new input thread
*****************************************************************************
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 */
/* Allocate descriptor */
p_input = (input_thread_t *)malloc( sizeof(input_thread_t) );
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;
+ 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;
+ 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;
+ /* Set status */
+ p_input->i_status = THREAD_CREATE;
/* Initialize stream description */
p_input->stream.i_es_number = 0;
return( NULL );
}
+#if 0
/* If status is NULL, wait until the thread is created */
if( pi_status == NULL )
{
msleep( THREAD_SLEEP );
} while( (i_status != THREAD_READY) && (i_status != THREAD_ERROR)
&& (i_status != THREAD_FATAL) );
- if( i_status != THREAD_READY )
- {
- return( NULL );
- }
}
+#endif
+
return( p_input );
}
/*****************************************************************************
- * input_DestroyThread: mark an input thread as zombie
+ * input_StopThread: mark an input thread as zombie
*****************************************************************************
* This function should not return until the thread is effectively cancelled.
*****************************************************************************/
-void input_DestroyThread( input_thread_t *p_input, int *pi_status )
+void input_StopThread( input_thread_t *p_input, int *pi_status )
{
- int i_status; /* thread status */
-
- /* Set status */
- p_input->pi_status = (pi_status != NULL) ? pi_status : &i_status;
- *p_input->pi_status = THREAD_DESTROY;
+ /* Make the thread exit from a possible vlc_cond_wait() */
+ vlc_mutex_lock( &p_input->stream.stream_lock );
/* 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 0
if( pi_status == NULL )
{
do
} while ( (i_status != THREAD_OVER) && (i_status != THREAD_ERROR)
&& (i_status != THREAD_FATAL) );
}
+#endif
+}
+
+/*****************************************************************************
+ * input_DestroyThread: mark an input thread as zombie
+ *****************************************************************************
+ * This function should not return until the thread is effectively cancelled.
+ *****************************************************************************/
+void input_DestroyThread( input_thread_t *p_input )
+{
+ /* Join the thread */
+ vlc_thread_join( p_input->thread_id );
+
+ /* 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 );
}
/*****************************************************************************
*****************************************************************************/
static void RunThread( input_thread_t *p_input )
{
- int i_error, i;
- data_packet_t ** pp_packets;
-
if( InitThread( p_input ) )
{
/* If we failed, wait before we are killed, and exit */
- *p_input->pi_status = THREAD_ERROR;
+ p_input->i_status = THREAD_ERROR;
p_input->b_error = 1;
ErrorThread( p_input );
DestroyThread( p_input );
return;
}
- /* initialization is completed */
+ p_input->i_status = THREAD_READY;
+
+ /* initialization is complete */
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.b_changed = 1;
vlc_mutex_unlock( &p_input->stream.stream_lock );
- pp_packets = (data_packet_t **) malloc( p_input->i_read_once *
- sizeof( data_packet_t * ) );
- if( pp_packets == NULL )
- {
- intf_ErrMsg( "input error: out of memory" );
- free( pp_packets );
- p_input->b_error = 1;
- }
-
while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
{
+ data_packet_t * p_data;
+ int i_count, i;
+
p_input->c_loops++;
vlc_mutex_lock( &p_input->stream.stream_lock );
+ if( p_input->stream.p_new_program )
+ {
+ if( p_input->pf_set_program != NULL )
+ {
+
+ p_input->pf_set_program( p_input,
+ p_input->stream.p_new_program );
+
+ 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_new_program = NULL;
+ }
+
if( p_input->stream.p_new_area )
{
if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
vlc_mutex_unlock( &p_input->stream.stream_lock );
- i_error = p_input->pf_read( p_input, pp_packets );
+ i_count = p_input->pf_read( p_input, &p_data );
/* Demultiplex read packets. */
- for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
+ while( p_data != NULL )
{
+ data_packet_t * p_next = p_data->p_next;
+ p_data->p_next = NULL;
+
p_input->stream.c_packets_read++;
- p_input->pf_demux( p_input, pp_packets[i] );
+ p_input->pf_demux( p_input, p_data );
+
+ p_data = p_next;
}
- if( i_error )
+ if( i_count == 0 && p_input->stream.b_seekable )
{
- if( i_error == 1 )
- {
- /* End of file - we do not set b_die because only the
- * interface is allowed to do so. */
- intf_WarnMsg( 3, "input: EOF reached" );
- p_input->b_eof = 1;
- }
- else
- {
- p_input->b_error = 1;
- }
+ /* End of file - we do not set b_die because only the
+ * interface is allowed to do so. */
+ intf_WarnMsg( 3, "input: EOF reached" );
+ p_input->b_eof = 1;
+ }
+ else if( i_count < 0 )
+ {
+ p_input->b_error = 1;
}
}
- free( pp_packets );
-
if( p_input->b_error || p_input->b_eof )
{
ErrorThread( p_input );
*****************************************************************************/
static int InitThread( input_thread_t * p_input )
{
-
/* Initialize statistics */
p_input->c_loops = 0;
p_input->stream.c_packets_read = 0;
/* Find appropriate module. */
p_input->p_input_module = module_Need( MODULE_CAPABILITY_INPUT,
- (probedata_t *)p_input );
+ main_GetPszVariable( INPUT_METHOD_VAR, NULL ),
+ (probedata_t *)p_input );
if( p_input->p_input_module == NULL )
{
p_input->pf_init_bit_stream= f.pf_init_bit_stream;
p_input->pf_read = f.pf_read;
p_input->pf_set_area = f.pf_set_area;
+ p_input->pf_set_program = f.pf_set_program;
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_rewind = f.pf_rewind;
p_input->pf_seek = f.pf_seek;
+ if( f.pf_open != NULL )
+ {
+ f.pf_open( p_input );
+ p_input->stream.i_method = INPUT_METHOD_DVD;
+ }
#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
/* FIXME : this is waaaay too kludgy */
- if( ( strlen( p_input->p_source ) >= 10
- && !strncasecmp( p_input->p_source, "udpstream:", 10 ) )
- || ( strlen( p_input->p_source ) >= 4
- && !strncasecmp( p_input->p_source, "udp:", 4 ) ) )
+ else if( ( strlen( p_input->p_source ) >= 10
+ && !strncasecmp( p_input->p_source, "udpstream:", 10 ) )
+ || ( strlen( p_input->p_source ) >= 4
+ && !strncasecmp( p_input->p_source, "udp:", 4 ) ) )
{
/* Network stream */
NetworkOpen( p_input );
HTTPOpen( p_input );
p_input->stream.i_method = INPUT_METHOD_NETWORK;
}
- else
#endif
- if( ( ( strlen( p_input->p_source ) > 4 )
- && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
- || TestMethod( INPUT_METHOD_VAR, "dvd" ) )
- {
- /* DVD - this is THE kludge */
- f.pf_open( p_input );
- p_input->stream.i_method = INPUT_METHOD_DVD;
- }
- else if( ( ( strlen( p_input->p_source ) > 8 )
- && !strncasecmp( p_input->p_source, "dvdread:", 8 ) )
- || TestMethod( INPUT_METHOD_VAR, "dvdread" ) )
- {
- /* DVDRead - this is THE kludge */
- f.pf_open( p_input );
- p_input->stream.i_method = INPUT_METHOD_DVD;
- }
- else if( ( strlen( p_input->p_source ) > 4 )
- && !strncasecmp( p_input->p_source, "vlc:", 4 ) )
- {
- /* Dummy input - very kludgy */
- f.pf_open( p_input );
- }
else if( ( strlen( p_input->p_source ) == 1 )
&& *p_input->p_source == '-' )
{
return( -1 );
}
- *p_input->pi_status = THREAD_READY;
-
return( 0 );
}
*****************************************************************************/
static void EndThread( input_thread_t * p_input )
{
- int * pi_status; /* thread status */
-
/* Store status */
- pi_status = p_input->pi_status;
- *pi_status = THREAD_END;
+ p_input->i_status = THREAD_END;
if( p_main->b_stats )
{
{
#define f p_input->p_input_module->p_functions->input.functions.input
+ if( f.pf_close != NULL )
+ {
+ f.pf_close( p_input );
+ }
#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
/* Close stream */
- if( ( strlen( p_input->p_source ) > 10
- && !strncasecmp( p_input->p_source, "udpstream:", 10 ) )
- || ( strlen( p_input->p_source ) > 4
- && !strncasecmp( p_input->p_source, "udp:", 4 ) ) )
+ else if( ( strlen( p_input->p_source ) > 10
+ && !strncasecmp( p_input->p_source, "udpstream:", 10 ) )
+ || ( strlen( p_input->p_source ) > 4
+ && !strncasecmp( p_input->p_source, "udp:", 4 ) ) )
{
NetworkClose( p_input );
}
{
NetworkClose( p_input );
}
- else
#endif
- if( ( ( strlen( p_input->p_source ) > 4 )
- && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
- || TestMethod( INPUT_METHOD_VAR, "dvd" ) )
- {
- f.pf_close( p_input );
- }
- else if( ( strlen( p_input->p_source ) > 4 )
- && !strncasecmp( p_input->p_source, "vlc:", 4 ) )
- {
- f.pf_close( p_input );
- }
else
{
FileClose( p_input );
*****************************************************************************/
static void DestroyThread( input_thread_t * p_input )
{
- int * pi_status; /* thread status */
-
- /* 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;
+ p_input->i_status = THREAD_OVER;
}
/*****************************************************************************
psz_name += 8;
i_stat = stat( psz_name, &stat_info );
}
- else if( ( i_size > 4 )
+ else if( ( i_size > 4 )
&& !strncasecmp( psz_name, "dvd:", 4 ) )
{
/* get rid of the 'dvd:' stuff and try again */