]> git.sesse.net Git - vlc/blobdiff - src/input/input.c
* Bug fixes and enhancements in the Gtk+/Gnome interfaces.
[vlc] / src / input / input.c
index cfca95f8deaa248bb55c54da250f5555e5273769..802b19c2454b0da759e0bd68aa212eba1aa2bcd8 100644 (file)
@@ -4,9 +4,9 @@
  * decoders.
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000 VideoLAN
- * $Id: input.c,v 1.74 2001/02/07 17:44:52 massiot Exp $
+ * $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 "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 DvdOpen     ( 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
@@ -72,7 +90,7 @@ static void DvdOpen     ( input_thread_t *p_input );
  * 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 */
@@ -83,24 +101,37 @@ input_thread_t *input_CreateThread ( input_config_t * p_config, int *pi_status )
     {
         intf_ErrMsg( "input error: can't allocate input thread (%s)",
                      strerror(errno) );
-        free( p_config );
         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 */
     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_seek = 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;
@@ -108,8 +139,13 @@ input_thread_t *input_CreateThread ( input_config_t * p_config, int *pi_status )
     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 ) )
@@ -117,7 +153,6 @@ input_thread_t *input_CreateThread ( input_config_t * p_config, int *pi_status )
         intf_ErrMsg( "input error: can't create input thread (%s)",
                      strerror(errno) );
         free( p_input );
-        free( p_config );
         return( NULL );
     }
 
@@ -153,6 +188,11 @@ void input_DestroyThread( input_thread_t *p_input, int *pi_status )
     /* 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 )
     {
@@ -171,65 +211,92 @@ void input_DestroyThread( input_thread_t *p_input, int *pi_status )
  *****************************************************************************/
 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 ) )
+    {
+
+        /* 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 )
+    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 );
 
-        i_error = p_input->p_plugin->pf_read( p_input, pp_packets );
+        i_error = p_input->pf_read( p_input, pp_packets );
 
         /* Demultiplex read packets. */
-        for( i = 0; i < INPUT_READ_ONCE && pp_packets[i] != NULL; i++ )
+        for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
         {
-            p_input->p_plugin->pf_demux( p_input, pp_packets[i] );
+            p_input->pf_demux( p_input, pp_packets[i] );
         }
 
         if( i_error )
         {
             if( i_error == 1 )
             {
-                /* End of file */
+                /* 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" );
-                /* FIXME: don't treat that as an error */
+                p_input->b_eof = 1;
+            }
+            else
+            {
+                p_input->b_error = 1;
             }
-            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 );
-input_capabilities_t * DVDKludge( 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 */
@@ -240,50 +307,47 @@ static void InitThread( input_thread_t * p_input )
     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 );
-        /* Probe plugin (FIXME: load plugins before & write this) */
-        p_input->p_plugin = PSKludge();
-       break;
-    case INPUT_METHOD_DVD:                                     /* DVD method */
-        DvdOpen( p_input );
-        /* DVD plugin */
-        p_input->p_plugin = DVDKludge();
-        break;
-    case INPUT_METHOD_VLAN_BCAST:                     /* vlan network method */
-/*        if( !p_main->b_vlans )
-        {
-            intf_ErrMsg("input error: vlans are not activated");
-            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( "input error: unknow method 0x%.4x",
-                     p_input->p_config->i_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 );
 
-    if( !p_input->b_error )
+    if( p_input->b_error )
     {
-        p_input->p_plugin->pf_init( p_input );
+        /* 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 );
 }
 
 /*****************************************************************************
@@ -325,8 +389,25 @@ static void EndThread( input_thread_t * p_input )
     input_EndStream( p_input );
 
     /* Free demultiplexer's data */
-    p_input->p_plugin->pf_end( p_input );
-    free( p_input->p_plugin );
+    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 );
+
+}
+
+/*****************************************************************************
+ * DestroyThread: destroy the input thread
+ *****************************************************************************/
+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 );
@@ -340,33 +421,43 @@ static void EndThread( input_thread_t * p_input )
 }
 
 /*****************************************************************************
- * NetworkOpen : open a network socket descriptor
+ * input_FileOpen : open a file descriptor
  *****************************************************************************/
-static void NetworkOpen( input_thread_t * p_input )
-{
-    /* straight copy & paste of input_network.c of input-I */
-
-    /* We cannot rewind nor lseek() */
-    p_input->stream.b_seekable = 0;
-    /* We cannot control the pace */
-    p_input->stream.b_pace_control = 0;
-}
-
-/*****************************************************************************
- * 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( stat( p_config->p_source, &stat_info ) == (-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) )
     {
-        intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
-                     p_config->p_source, strerror(errno));
-        p_input->b_error = 1;
-        return;
+        int i_size = strlen( psz_name );
+
+        if( ( i_size > 4 )
+            && !strncasecmp( psz_name, "dvd:", 4 ) )
+        {
+            /* get rid of the 'dvd:' stuff and try again */
+            psz_name += 4;
+            i_stat = stat( psz_name, &stat_info );
+        }
+        else if( ( i_size > 5 )
+                 && !strncasecmp( psz_name, "file:", 5 ) )
+        {
+            /* get rid of the 'file:' stuff and try again */
+            psz_name += 5;
+            i_stat = stat( psz_name, &stat_info );
+        }
+
+        if( i_stat == (-1) )
+        {
+            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 );
@@ -378,27 +469,31 @@ static void FileOpen( input_thread_t * p_input )
          || S_ISBLK(stat_info.st_mode) )
     {
         p_input->stream.b_seekable = 1;
-        p_input->stream.i_size = stat_info.st_size;
+        p_input->stream.p_selected_area->i_size = stat_info.st_size;
     }
-    else if( S_ISFIFO(stat_info.st_mode) || S_ISSOCK(stat_info.st_mode) )
+    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.i_size = 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'",
-                     p_config->p_source );
+                     psz_name );
         p_input->b_error = 1;
         return;
     }
 
-    p_input->stream.i_tell = 0;
+    p_input->stream.p_selected_area->i_tell = 0;
     vlc_mutex_unlock( &p_input->stream.stream_lock );
 
-    intf_Msg( "input: opening file %s", p_config->p_source );
-    if( (p_input->i_handle = open( p_config->p_source,
+    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) );
@@ -406,29 +501,131 @@ static void FileOpen( input_thread_t * p_input )
         return;
     }
 
-#undef p_config
 }
 
 /*****************************************************************************
- * DvdOpen : open the dvd device
+ * input_FileClose : close a file descriptor
  *****************************************************************************/
-static void DvdOpen( input_thread_t * p_input )
+void input_FileClose( input_thread_t * p_input )
 {
-    intf_Msg( "input: opening DVD %s", p_input->p_config->p_source );
-    if( (p_input->i_handle = open( p_input->p_config->p_source,
-                                O_RDONLY| O_NONBLOCK |O_LARGEFILE )) == (-1) )
+    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( "input error: cannot open device (%s)", strerror(errno) );
+        intf_ErrMsg("NetworkOpen : can't create socket : %s", strerror(errno));
         p_input->b_error = 1;
         return;
     }
 
-    vlc_mutex_lock( &p_input->stream.stream_lock );
+    /* 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;
-    p_input->stream.b_seekable = 1;
-    p_input->stream.i_size = 0;
-    p_input->stream.i_tell = 0;
+    
+    return;
+}
 
-    vlc_mutex_unlock( &p_input->stream.stream_lock );
+/*****************************************************************************
+ * input_NetworkClose : close a network socket
+ *****************************************************************************/
+void input_NetworkClose( input_thread_t * p_input )
+{
+    close( p_input->i_handle );
+    /* FIXME: deal with channels */
 }
+#endif