]> git.sesse.net Git - vlc/blobdiff - modules/access/file.c
Allow PBC selection. Had been temporarily disabled. Perhaps this is
[vlc] / modules / access / file.c
index 5e7b7217a230bd14e6f28e6c2a269fb551ffe832..6f3b568829bcea87a010b4f87a4dbbd0b8d69eac 100644 (file)
@@ -2,7 +2,7 @@
  * file.c: file input (file: access plug-in)
  *****************************************************************************
  * Copyright (C) 2001, 2002 VideoLAN
- * $Id: file.c,v 1.8 2003/01/03 13:07:17 massiot Exp $
+ * $Id: file.c,v 1.21 2003/06/09 09:29:12 massiot Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -32,6 +32,9 @@
 #ifdef HAVE_SYS_TYPES_H
 #   include <sys/types.h>
 #endif
+#ifdef HAVE_SYS_TIME_H
+#   include <sys/time.h>
+#endif
 #ifdef HAVE_SYS_STAT_H
 #   include <sys/stat.h>
 #endif
 
 #ifdef HAVE_UNISTD_H
 #   include <unistd.h>
-#elif defined( _MSC_VER ) && defined( _WIN32 ) && !defined( UNDER_CE )
+#elif defined( WIN32 ) && !defined( UNDER_CE )
 #   include <io.h>
 #endif
 
+/* stat() support for large files on win32 */
+#if defined( WIN32 ) && !defined( UNDER_CE )
+#define stat(a,b) _stati64(a,b)
+#define fstat(a,b) _fstati64(a,b)
+#endif
+
 /*****************************************************************************
  * Exported prototypes
  *****************************************************************************/
@@ -60,18 +69,19 @@ static ssize_t Read   ( input_thread_t *, byte_t *, size_t );
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
-#define CACHING_TEXT N_("caching value in ms")
+#define CACHING_TEXT N_("Caching value in ms")
 #define CACHING_LONGTEXT N_( \
     "Allows you to modify the default caching value for file streams. This " \
     "value should be set in miliseconds units." )
 
 vlc_module_begin();
-    set_description( _("Standard filesystem file reading") );
-    add_category_hint( N_("file"), NULL );
-    add_integer( "file-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT );
+    set_description( _("Standard filesystem file input") );
+    add_category_hint( N_("file"), NULL, VLC_TRUE );
+    add_integer( "file-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
     set_capability( "access", 50 );
     add_shortcut( "file" );
     add_shortcut( "stream" );
+    add_shortcut( "kfir" );
     set_callbacks( Open, Close );
 vlc_module_end();
  
@@ -84,6 +94,7 @@ typedef struct _input_socket_s
     input_socket_t      _socket;
 
     unsigned int        i_nb_reads;
+    vlc_bool_t          b_kfir;
 } _input_socket_t;
 
 /*****************************************************************************
@@ -95,10 +106,14 @@ static int Open( vlc_object_t *p_this )
     char *              psz_name = p_input->psz_name;
 #ifdef HAVE_SYS_STAT_H
     int                 i_stat;
-    struct stat         stat_info;                                              
+#if defined( WIN32 ) && !defined( UNDER_CE )
+    struct _stati64     stat_info;
+#else
+    struct stat         stat_info;
+#endif
 #endif
     _input_socket_t *   p_access_data;
-    vlc_bool_t          b_stdin;
+    vlc_bool_t          b_stdin, b_kfir = 0;
 
     p_input->i_mtu = 0;
 
@@ -108,10 +123,10 @@ static int Open( vlc_object_t *p_this )
     if( !b_stdin && (i_stat = stat( psz_name, &stat_info )) == (-1) )
     {
 #   ifdef HAVE_ERRNO_H
-        msg_Err( p_input, "cannot stat() file `%s' (%s)",
-                          psz_name, strerror(errno));
+        msg_Warn( p_input, "cannot stat() file `%s' (%s)",
+                  psz_name, strerror(errno));
 #   else
-        msg_Err( p_input, "cannot stat() file `%s'", psz_name );
+        msg_Warn( p_input, "cannot stat() file `%s'", psz_name );
 #   endif
         return VLC_EGENERIC;
     }
@@ -124,7 +139,6 @@ static int Open( vlc_object_t *p_this )
 
     vlc_mutex_lock( &p_input->stream.stream_lock );
 
-    p_input->stream.b_connected = 1;
     if( *p_input->psz_access && !strncmp( p_input->psz_access, "stream", 7 ) )
     {
         /* stream:%s */
@@ -132,6 +146,15 @@ static int Open( vlc_object_t *p_this )
         p_input->stream.b_seekable = 0;
         p_input->stream.p_selected_area->i_size = 0;
     }
+    else if( *p_input->psz_access &&
+             !strncmp( p_input->psz_access, "kfir", 7 ) )
+    {
+        /* stream:%s */
+        p_input->stream.b_pace_control = 0;
+        p_input->stream.b_seekable = 0;
+        p_input->stream.p_selected_area->i_size = 0;
+        b_kfir = 1;
+    }
     else
     {
         /* file:%s or %s */
@@ -187,6 +210,7 @@ static int Open( vlc_object_t *p_this )
     }
 
     p_access_data->i_nb_reads = 0;
+    p_access_data->b_kfir = b_kfir;
     if( b_stdin )
     {
         p_access_data->_socket.i_handle = 0;
@@ -275,7 +299,64 @@ static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
         i_ret = -1;
     }
 #else
-    i_ret = read( p_access_data->_socket.i_handle, p_buffer, i_len );
+#ifndef WIN32
+    if ( !p_input->stream.b_pace_control )
+    {
+        if ( !p_access_data->b_kfir )
+        {
+            /* Find if some data is available. This won't work under Windows. */
+            struct timeval  timeout;
+            fd_set          fds;
+
+            /* Initialize file descriptor set */
+            FD_ZERO( &fds );
+            FD_SET( p_access_data->_socket.i_handle, &fds );
+
+            /* We'll wait 0.5 second if nothing happens */
+            timeout.tv_sec = 0;
+            timeout.tv_usec = 500000;
+
+            /* Find if some data is available */
+            while( (i_ret = select( p_access_data->_socket.i_handle + 1, &fds,
+                                    NULL, NULL, &timeout )) == 0
+                    || (i_ret < 0 && errno == EINTR) )
+            {
+                FD_ZERO( &fds );
+                FD_SET( p_access_data->_socket.i_handle, &fds );
+                timeout.tv_sec = 0;
+                timeout.tv_usec = 500000;
+
+                if( p_input->b_die || p_input->b_error )
+                {
+                    return 0;
+                }
+            }
+
+            if( i_ret < 0 )
+            {
+                msg_Err( p_input, "select error (%s)", strerror(errno) );
+                return -1;
+            }
+
+            i_ret = read( p_access_data->_socket.i_handle, p_buffer, i_len );
+        }
+        else
+        {
+            /* b_kfir ; work around a buggy poll() driver implementation */
+            while ( (i_ret = read( p_access_data->_socket.i_handle, p_buffer,
+                                   i_len )) == 0 &&
+                      !p_input->b_die && !p_input->b_error )
+            {
+                msleep(INPUT_ERROR_SLEEP);
+            }
+        }
+    }
+    else
+#   endif
+    {
+        /* b_pace_control || WIN32 */
+        i_ret = read( p_access_data->_socket.i_handle, p_buffer, i_len );
+    }
 #endif
 
     if( i_ret < 0 )
@@ -297,7 +378,11 @@ static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
     if ( p_input->stream.p_selected_area->i_size != 0
             && (p_access_data->i_nb_reads % INPUT_FSTAT_NB_READS) == 0 )
     {
+#if defined( WIN32 ) && !defined( UNDER_CE )
+        struct _stati64 stat_info;
+#else
         struct stat stat_info;
+#endif
         if ( fstat( p_access_data->_socket.i_handle, &stat_info ) == -1 )
         {
 #   ifdef HAVE_ERRNO_H
@@ -307,7 +392,7 @@ static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
             msg_Warn( p_input, "couldn't stat again the file" );
 #   endif
         }
-        else
+        else if ( p_input->stream.p_selected_area->i_size != stat_info.st_size )
         {
             p_input->stream.p_selected_area->i_size = stat_info.st_size;
             p_input->stream.b_changed = 1;
@@ -326,7 +411,11 @@ static void Seek( input_thread_t * p_input, off_t i_pos )
 #define S p_input->stream
     input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
 
+#if defined( WIN32 ) && !defined( UNDER_CE )
+    _lseeki64( p_access_data->i_handle, i_pos, SEEK_SET );
+#else
     lseek( p_access_data->i_handle, i_pos, SEEK_SET );
+#endif
 
     vlc_mutex_lock( &S.stream_lock );
     S.p_selected_area->i_tell = i_pos;