]> git.sesse.net Git - vlc/blobdiff - src/input/stream.c
stream: remove shadow variable
[vlc] / src / input / stream.c
index 54d8ca8cf31fb618dcb22f0376c2a80c190e0dd7..42cd823bf5e1a918605278872610b24ebc7b8b7c 100644 (file)
@@ -116,7 +116,8 @@ typedef struct
 typedef enum
 {
     STREAM_METHOD_BLOCK,
-    STREAM_METHOD_STREAM
+    STREAM_METHOD_STREAM,
+    STREAM_METHOD_READDIR
 } stream_read_method_t;
 
 struct stream_sys_t
@@ -197,10 +198,13 @@ static int  AStreamSeekStream( stream_t *s, uint64_t i_pos );
 static void AStreamPrebufferStream( stream_t *s );
 static int  AReadStream( stream_t *s, void *p_read, unsigned int i_read );
 
+/* ReadDir */
+static int  AStreamReadDir( stream_t *s, input_item_node_t *p_node );
+
 /* Common */
+static int  AStreamGenericError( ) { return VLC_EGENERIC; }
 static int AStreamControl( stream_t *s, int i_query, va_list );
 static void AStreamDestroy( stream_t *s );
-static void UStreamDestroy( stream_t *s );
 static int  ASeek( stream_t *s, uint64_t i_pos );
 
 /****************************************************************************
@@ -249,7 +253,6 @@ stream_t *stream_UrlNew( vlc_object_t *p_parent, const char *psz_url )
 {
     const char *psz_access, *psz_demux, *psz_path, *psz_anchor;
     access_t *p_access;
-    stream_t *p_res;
 
     if( !psz_url )
         return NULL;
@@ -266,14 +269,7 @@ stream_t *stream_UrlNew( vlc_object_t *p_parent, const char *psz_url )
         return NULL;
     }
 
-    if( !( p_res = stream_AccessNew( p_access, NULL ) ) )
-    {
-        access_Delete( p_access );
-        return NULL;
-    }
-
-    p_res->pf_destroy = UStreamDestroy;
-    return p_res;
+    return stream_AccessNew( p_access, NULL );
 }
 
 stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
@@ -294,17 +290,21 @@ stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
         return NULL;
     }
 
-    s->pf_read   = NULL;    /* Set up later */
-    s->pf_peek   = NULL;
+    s->pf_read    = AStreamGenericError;    /* Replaced later */
+    s->pf_peek    = AStreamGenericError;
+    s->pf_readdir = AStreamGenericError;
     s->pf_control = AStreamControl;
     s->pf_destroy = AStreamDestroy;
 
     /* Common field */
     p_sys->p_access = p_access;
+    assert( p_access->pf_block || p_access->pf_read || p_access->pf_readdir );
     if( p_access->pf_block )
         p_sys->method = STREAM_METHOD_BLOCK;
-    else
+    else if( p_access->pf_read )
         p_sys->method = STREAM_METHOD_STREAM;
+    else
+        p_sys->method = STREAM_METHOD_READDIR;
 
     p_sys->i_pos = p_access->info.i_pos;
 
@@ -327,7 +327,7 @@ stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
         if( !p_entry )
             goto error;
 
-        p_entry->i_size = p_access->info.i_size;
+        p_entry->i_size = access_GetSize( p_access );
         p_entry->psz_path = strdup( p_access->psz_location );
         if( !p_entry->psz_path )
         {
@@ -337,7 +337,7 @@ stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
         p_sys->p_list_access = p_access;
         TAB_APPEND( p_sys->i_list, p_sys->list, p_entry );
         msg_Dbg( p_access, "adding file `%s', (%"PRId64" bytes)",
-                 p_entry->psz_path, p_access->info.i_size );
+                 p_entry->psz_path, p_entry->i_size );
 
         for( int i = 0; ppsz_list[i] != NULL; i++ )
         {
@@ -349,17 +349,19 @@ stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
             access_t *p_tmp = access_New( p_access, p_access->p_input,
                                           p_access->psz_access, "", psz_name );
             if( !p_tmp )
+            {
+                free( psz_name );
                 continue;
-
-            msg_Dbg( p_access, "adding file `%s', (%"PRId64" bytes)",
-                     psz_name, p_tmp->info.i_size );
+            }
 
             p_entry = malloc( sizeof(*p_entry) );
             if( p_entry )
             {
-                p_entry->i_size = p_tmp->info.i_size;
+                p_entry->i_size = access_GetSize( p_tmp );
                 p_entry->psz_path = psz_name;
                 TAB_APPEND( p_sys->i_list, p_sys->list, p_entry );
+                msg_Dbg( p_access, "adding file `%s', (%"PRId64" bytes)",
+                         p_entry->psz_path, p_entry->i_size );
             }
             access_Delete( p_tmp );
         }
@@ -392,12 +394,10 @@ stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
             goto error;
         }
     }
-    else
+    else if ( p_sys->method == STREAM_METHOD_STREAM )
     {
         int i;
 
-        assert( p_sys->method == STREAM_METHOD_STREAM );
-
         msg_Dbg( s, "Using stream method for AStream*" );
 
         s->pf_read = AStreamReadStream;
@@ -433,6 +433,13 @@ stream_t *stream_AccessNew( access_t *p_access, char **ppsz_list )
             goto error;
         }
     }
+    else
+    {
+        msg_Dbg( s, "Using readdir method for AStream*" );
+
+        assert( p_sys->method == STREAM_METHOD_READDIR );
+        s->pf_readdir = AStreamReadDir;
+    }
 
     return s;
 
@@ -441,7 +448,7 @@ error:
     {
         /* Nothing yet */
     }
-    else
+    else if( p_sys->method == STREAM_METHOD_STREAM )
     {
         free( p_sys->stream.p_buffer );
     }
@@ -450,6 +457,7 @@ error:
     free( p_sys->list );
     free( s->p_sys );
     stream_CommonDelete( s );
+    access_Delete( p_access );
     return NULL;
 }
 
@@ -462,7 +470,7 @@ static void AStreamDestroy( stream_t *s )
 
     if( p_sys->method == STREAM_METHOD_BLOCK )
         block_ChainRelease( p_sys->block.p_first );
-    else
+    else if( p_sys->method == STREAM_METHOD_STREAM )
         free( p_sys->stream.p_buffer );
 
     free( p_sys->p_peek );
@@ -475,18 +483,11 @@ static void AStreamDestroy( stream_t *s )
         free( p_sys->list[p_sys->i_list]->psz_path );
         free( p_sys->list[p_sys->i_list] );
     }
-
     free( p_sys->list );
-    free( p_sys );
 
     stream_CommonDelete( s );
-}
-
-static void UStreamDestroy( stream_t *s )
-{
-    access_t *p_access = (access_t *)s->p_parent;
-    AStreamDestroy( s );
-    access_Delete( p_access );
+    access_Delete( p_sys->p_access );
+    free( p_sys );
 }
 
 /****************************************************************************
@@ -555,6 +556,9 @@ static void AStreamControlUpdate( stream_t *s )
     }
 }
 
+#define static_control_match(foo) \
+    static_assert((unsigned) STREAM_##foo == ACCESS_##foo, "Mismatch")
+
 /****************************************************************************
  * AStreamControl:
  ****************************************************************************/
@@ -563,14 +567,46 @@ static int AStreamControl( stream_t *s, int i_query, va_list args )
     stream_sys_t *p_sys = s->p_sys;
     access_t     *p_access = p_sys->p_access;
 
-    bool     *p_bool;
-    uint64_t *pi_64, i_64;
-    int      i_int;
+    static_control_match(CAN_SEEK);
+    static_control_match(CAN_FASTSEEK);
+    static_control_match(CAN_PAUSE);
+    static_control_match(CAN_CONTROL_PACE);
+    static_control_match(GET_PTS_DELAY);
+    static_control_match(GET_TITLE_INFO);
+    static_control_match(GET_TITLE);
+    static_control_match(GET_SEEKPOINT);
+    static_control_match(GET_META);
+    static_control_match(GET_CONTENT_TYPE);
+    static_control_match(GET_SIGNAL);
+    static_control_match(SET_PAUSE_STATE);
+    static_control_match(SET_TITLE);
+    static_control_match(SET_SEEKPOINT);
+    static_control_match(SET_PRIVATE_ID_STATE);
+    static_control_match(SET_PRIVATE_ID_CA);
+    static_control_match(GET_PRIVATE_ID_STATE);
 
     switch( i_query )
     {
+        case STREAM_CAN_SEEK:
+        case STREAM_CAN_FASTSEEK:
+        case STREAM_CAN_PAUSE:
+        case STREAM_CAN_CONTROL_PACE:
+        case STREAM_GET_PTS_DELAY:
+        case STREAM_GET_TITLE_INFO:
+        case STREAM_GET_TITLE:
+        case STREAM_GET_SEEKPOINT:
+        case STREAM_GET_META:
+        case STREAM_GET_CONTENT_TYPE:
+        case STREAM_GET_SIGNAL:
+        case STREAM_SET_PAUSE_STATE:
+        case STREAM_SET_PRIVATE_ID_STATE:
+        case STREAM_SET_PRIVATE_ID_CA:
+        case STREAM_GET_PRIVATE_ID_STATE:
+            return access_vaControl( p_access, i_query, args );
+
         case STREAM_GET_SIZE:
-            pi_64 = va_arg( args, uint64_t * );
+        {
+            uint64_t *pi_64 = va_arg( args, uint64_t * );
             if( s->p_sys->i_list )
             {
                 int i;
@@ -579,63 +615,49 @@ static int AStreamControl( stream_t *s, int i_query, va_list args )
                     *pi_64 += s->p_sys->list[i]->i_size;
                 break;
             }
-            *pi_64 = p_access->info.i_size;
-            break;
-
-        case STREAM_CAN_SEEK:
-            p_bool = (bool*)va_arg( args, bool * );
-            access_Control( p_access, ACCESS_CAN_SEEK, p_bool );
-            break;
-
-        case STREAM_CAN_FASTSEEK:
-            p_bool = (bool*)va_arg( args, bool * );
-            access_Control( p_access, ACCESS_CAN_FASTSEEK, p_bool );
+            *pi_64 = access_GetSize( p_access );
             break;
+        }
 
         case STREAM_GET_POSITION:
-            pi_64 = va_arg( args, uint64_t * );
-            *pi_64 = p_sys->i_pos;
+            *va_arg( args, uint64_t * ) = p_sys->i_pos;
             break;
 
         case STREAM_SET_POSITION:
-            i_64 = va_arg( args, uint64_t );
+        {
+            uint64_t offset = va_arg( args, uint64_t );
             switch( p_sys->method )
             {
             case STREAM_METHOD_BLOCK:
-                return AStreamSeekBlock( s, i_64 );
+                return AStreamSeekBlock( s, offset );
             case STREAM_METHOD_STREAM:
-                return AStreamSeekStream( s, i_64 );
+                return AStreamSeekStream( s, offset );
             default:
                 assert(0);
                 return VLC_EGENERIC;
             }
+        }
 
-        case STREAM_CONTROL_ACCESS:
+        case STREAM_UPDATE_SIZE:
+            AStreamControlUpdate( s );
+            return VLC_SUCCESS;
+
+        case STREAM_SET_TITLE:
+        case STREAM_SET_SEEKPOINT:
         {
-            i_int = (int) va_arg( args, int );
-            if( i_int != ACCESS_SET_PRIVATE_ID_STATE &&
-                i_int != ACCESS_SET_PRIVATE_ID_CA &&
-                i_int != ACCESS_GET_PRIVATE_ID_STATE &&
-                i_int != ACCESS_SET_TITLE &&
-                i_int != ACCESS_SET_SEEKPOINT )
-            {
-                msg_Err( s, "Hey, what are you thinking ?"
-                            "DON'T USE STREAM_CONTROL_ACCESS !!!" );
-                return VLC_EGENERIC;
-            }
-            int i_ret = access_vaControl( p_access, i_int, args );
-            if( i_int == ACCESS_SET_TITLE || i_int == ACCESS_SET_SEEKPOINT )
+            int ret = access_vaControl( p_access, i_query, args );
+            if( ret == VLC_SUCCESS )
                 AStreamControlReset( s );
-            return i_ret;
+            return ret;
         }
 
-        case STREAM_UPDATE_SIZE:
-            AStreamControlUpdate( s );
+        case STREAM_IS_DIRECTORY:
+        {
+            bool *pb_canreaddir = va_arg( args, bool * );
+            *pb_canreaddir = p_sys->method == STREAM_METHOD_READDIR;
             return VLC_SUCCESS;
+        }
 
-        case STREAM_GET_CONTENT_TYPE:
-            return access_Control( p_access, ACCESS_GET_CONTENT_TYPE,
-                                    va_arg( args, char ** ) );
         case STREAM_SET_RECORD_STATE:
         default:
             msg_Err( s, "invalid stream_vaControl query=0x%x", i_query );
@@ -662,20 +684,20 @@ static void AStreamPrebufferBlock( stream_t *s )
         bool b_eof;
         block_t *b;
 
-        if( s->b_die || p_sys->block.i_size > STREAM_CACHE_PREBUFFER_SIZE )
+        if( !vlc_object_alive(s) || p_sys->block.i_size > STREAM_CACHE_PREBUFFER_SIZE )
         {
             int64_t i_byterate;
 
             /* Update stat */
             p_sys->stat.i_bytes = p_sys->block.i_size;
             p_sys->stat.i_read_time = i_date - i_start;
-            i_byterate = ( INT64_C(1000000) * p_sys->stat.i_bytes ) /
+            i_byterate = ( CLOCK_FREQ * p_sys->stat.i_bytes ) /
                          (p_sys->stat.i_read_time + 1);
 
             msg_Dbg( s, "prebuffering done %"PRId64" bytes in %"PRId64"s - "
                      "%"PRId64" KiB/s",
                      p_sys->stat.i_bytes,
-                     p_sys->stat.i_read_time / INT64_C(1000000),
+                     p_sys->stat.i_read_time / CLOCK_FREQ,
                      i_byterate / 1024 );
             break;
         }
@@ -726,9 +748,9 @@ static int AStreamReadBlock( stream_t *s, void *p_read, unsigned int i_read )
     if( p_data == NULL )
     {
         /* seek within this stream if possible, else use plain old read and discard */
-        stream_sys_t *p_sys = s->p_sys;
-        access_t     *p_access = p_sys->p_access;
-        bool   b_aseek;
+        access_t *p_access = p_sys->p_access;
+        bool b_aseek;
+
         access_Control( p_access, ACCESS_CAN_SEEK, &b_aseek );
         if( b_aseek )
             return AStreamSeekBlock( s, p_sys->i_pos + i_read ) ? 0 : i_read;
@@ -972,7 +994,6 @@ static int AStreamSeekBlock( stream_t *s, uint64_t i_pos )
 static int AStreamRefillBlock( stream_t *s )
 {
     stream_sys_t *p_sys = s->p_sys;
-    block_t      *b;
 
     /* Release data */
     while( p_sys->block.i_size >= STREAM_CACHE_SIZE &&
@@ -996,11 +1017,13 @@ static int AStreamRefillBlock( stream_t *s )
 
     /* Now read a new block */
     const int64_t i_start = mdate();
+    block_t *b;
+
     for( ;; )
     {
         bool b_eof;
 
-        if( s->b_die )
+        if( !vlc_object_alive(s) )
             return VLC_EGENERIC;
 
         /* Fetch a block */
@@ -1260,7 +1283,7 @@ static int AStreamSeekStream( stream_t *s, uint64_t i_pos )
         if( p_sys->stream.i_used < STREAM_READ_ATONCE / 2 )
             p_sys->stream.i_used = STREAM_READ_ATONCE / 2;
 
-        if( AStreamRefillStream( s ) && i_pos == tk->i_end )
+        if( AStreamRefillStream( s ) && i_pos >= tk->i_end )
             return VLC_EGENERIC;
     }
     return VLC_SUCCESS;
@@ -1356,7 +1379,7 @@ static int AStreamRefillStream( stream_t *s )
         int i_off = tk->i_end % STREAM_CACHE_TRACK_SIZE;
         int i_read;
 
-        if( s->b_die )
+        if( !vlc_object_alive(s) )
             return VLC_EGENERIC;
 
         i_read = __MIN( i_toread, STREAM_CACHE_TRACK_SIZE - i_off );
@@ -1417,20 +1440,20 @@ static void AStreamPrebufferStream( stream_t *s )
         int i_read;
         int i_buffered = tk->i_end - tk->i_start;
 
-        if( s->b_die || i_buffered >= STREAM_CACHE_PREBUFFER_SIZE )
+        if( !vlc_object_alive(s) || i_buffered >= STREAM_CACHE_PREBUFFER_SIZE )
         {
             int64_t i_byterate;
 
             /* Update stat */
             p_sys->stat.i_bytes = i_buffered;
             p_sys->stat.i_read_time = i_date - i_start;
-            i_byterate = ( INT64_C(1000000) * p_sys->stat.i_bytes ) /
+            i_byterate = ( CLOCK_FREQ * p_sys->stat.i_bytes ) /
                          (p_sys->stat.i_read_time+1);
 
             msg_Dbg( s, "pre-buffering done %"PRId64" bytes in %"PRId64"s - "
                      "%"PRId64" KiB/s",
                      p_sys->stat.i_bytes,
-                     p_sys->stat.i_read_time / INT64_C(1000000),
+                     p_sys->stat.i_read_time / CLOCK_FREQ,
                      i_byterate / 1024 );
             break;
         }
@@ -1472,7 +1495,11 @@ char *stream_ReadLine( stream_t *s )
     char *p_line = NULL;
     int i_line = 0, i_read = 0;
 
-    while( i_read < STREAM_LINE_MAX )
+    /* Let's fail quickly if this is a readdir access */
+    if( s->pf_read == NULL )
+        return NULL;
+
+    for( ;; )
     {
         char *psz_eol;
         const uint8_t *p_data;
@@ -1485,58 +1512,28 @@ char *stream_ReadLine( stream_t *s )
 
         /* BOM detection */
         i_pos = stream_Tell( s );
-        if( i_pos == 0 && i_data >= 3 )
+        if( i_pos == 0 && i_data >= 2 )
         {
-            int i_bom_size = 0;
             const char *psz_encoding = NULL;
 
-            if( !memcmp( p_data, "\xEF\xBB\xBF", 3 ) )
-            {
-                psz_encoding = "UTF-8";
-                i_bom_size = 3;
-            }
-            else if( !memcmp( p_data, "\xFF\xFE", 2 ) )
+            if( !memcmp( p_data, "\xFF\xFE", 2 ) )
             {
                 psz_encoding = "UTF-16LE";
                 s->p_text->b_little_endian = true;
-                s->p_text->i_char_width = 2;
-                i_bom_size = 2;
             }
             else if( !memcmp( p_data, "\xFE\xFF", 2 ) )
             {
                 psz_encoding = "UTF-16BE";
-                s->p_text->i_char_width = 2;
-                i_bom_size = 2;
-            }
-
-            /* Seek past the BOM */
-            if( i_bom_size )
-            {
-                stream_Seek( s, i_bom_size );
-                p_data += i_bom_size;
-                i_data -= i_bom_size;
             }
 
             /* Open the converter if we need it */
             if( psz_encoding != NULL )
             {
-                msg_Dbg( s, "%s BOM detected", psz_encoding );
-                if( s->p_text->i_char_width > 1 )
-                {
-                    s->p_text->conv = vlc_iconv_open( "UTF-8", psz_encoding );
-                    if( s->p_text->conv == (vlc_iconv_t)-1 )
-                    {
-                        msg_Err( s, "iconv_open failed" );
-                    }
-                }
-
-                /* FIXME that's UGLY */
-                input_thread_t *p_input = s->p_input;
-                if( p_input != NULL)
-                {
-                    var_Create( p_input, "subsdec-encoding", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
-                    var_SetString( p_input, "subsdec-encoding", "UTF-8" );
-                }
+                msg_Dbg( s, "UTF-16 BOM detected" );
+                s->p_text->i_char_width = 2;
+                s->p_text->conv = vlc_iconv_open( "UTF-8", psz_encoding );
+                if( s->p_text->conv == (vlc_iconv_t)-1 )
+                    msg_Err( s, "iconv_open failed" );
             }
         }
 
@@ -1615,6 +1612,9 @@ char *stream_ReadLine( stream_t *s )
         if( i_data <= 0 ) break; /* Hmmm */
         i_line += i_data;
         i_read += i_data;
+
+        if( i_read >= STREAM_LINE_MAX )
+            goto error; /* line too long */
     }
 
     if( i_read > 0 )
@@ -1627,16 +1627,20 @@ char *stream_ReadLine( stream_t *s )
         i_line += s->p_text->i_char_width; /* the added \0 */
         if( s->p_text->i_char_width > 1 )
         {
+            int i_new_line = 0;
             size_t i_in = 0, i_out = 0;
             const char * p_in = NULL;
             char * p_out = NULL;
             char * psz_new_line = NULL;
 
             /* iconv */
-            psz_new_line = malloc( i_line );
+            /* UTF-8 needs at most 150% of the buffer as many as UTF-16 */
+            i_new_line = i_line * 3 / 2;
+            psz_new_line = malloc( i_new_line );
             if( psz_new_line == NULL )
                 goto error;
-            i_in = i_out = (size_t)i_line;
+            i_in = (size_t)i_line;
+            i_out = (size_t)i_new_line;
             p_in = p_line;
             p_out = psz_new_line;
 
@@ -1647,7 +1651,7 @@ char *stream_ReadLine( stream_t *s )
             }
             free( p_line );
             p_line = psz_new_line;
-            i_line = (size_t)i_line - i_out; /* does not include \0 */
+            i_line = (size_t)i_new_line - i_out; /* does not include \0 */
         }
 
         /* Remove trailing LF/CR */
@@ -1684,8 +1688,6 @@ static int AReadStream( stream_t *s, void *p_read, unsigned int i_read )
     if( !p_sys->i_list )
     {
         i_read = p_access->pf_read( p_access, p_read, i_read );
-        if( p_access->b_die )
-            vlc_object_kill( s );
         if( p_input )
         {
             uint64_t total;
@@ -1701,8 +1703,6 @@ static int AReadStream( stream_t *s, void *p_read, unsigned int i_read )
 
     i_read = p_sys->p_list_access->pf_read( p_sys->p_list_access, p_read,
                                             i_read );
-    if( p_access->b_die )
-        vlc_object_kill( s );
 
     /* If we reached an EOF then switch to the next stream in the list */
     if( i_read == 0 && p_sys->i_list_index + 1 < p_sys->i_list )
@@ -1750,8 +1750,6 @@ static block_t *AReadBlock( stream_t *s, bool *pb_eof )
     if( !p_sys->i_list )
     {
         p_block = p_access->pf_block( p_access );
-        if( p_access->b_die )
-            vlc_object_kill( s );
         if( pb_eof ) *pb_eof = p_access->info.b_eof;
         if( p_input && p_block && libvlc_stats (p_access) )
         {
@@ -1769,8 +1767,6 @@ static block_t *AReadBlock( stream_t *s, bool *pb_eof )
     }
 
     p_block = p_sys->p_list_access->pf_block( p_sys->p_list_access );
-    if( p_access->b_die )
-        vlc_object_kill( s );
     b_eof = p_sys->p_list_access->info.b_eof;
     if( pb_eof ) *pb_eof = b_eof;
 
@@ -1860,6 +1856,12 @@ static int ASeek( stream_t *s, uint64_t i_pos )
     return p_access->pf_seek( p_access, i_pos );
 }
 
+static int AStreamReadDir( stream_t *s, input_item_node_t *p_node )
+{
+    access_t *p_access = s->p_sys->p_access;
+
+    return p_access->pf_readdir( p_access, p_node );
+}
 
 /**
  * Try to read "i_read" bytes into a buffer pointed by "p_read".  If
@@ -1934,7 +1936,7 @@ block_t *stream_Block( stream_t *s, int i_size )
     if( i_size <= 0 ) return NULL;
 
     /* emulate block read */
-    block_t *p_bk = block_New( s, i_size );
+    block_t *p_bk = block_Alloc( i_size );
     if( p_bk )
     {
         int i_read = stream_Read( s, p_bk->p_buffer, i_size );
@@ -1972,7 +1974,7 @@ block_t *stream_BlockRemaining( stream_t *s, int i_max_size )
     if( i_allocate <= 0 )
         return NULL;
 
-    block_t *p_block = block_New( s, i_allocate );
+    block_t *p_block = block_Alloc( i_allocate );
     int i_index = 0;
     while( p_block )
     {
@@ -1992,3 +1994,11 @@ block_t *stream_BlockRemaining( stream_t *s, int i_max_size )
     return p_block;
 }
 
+/**
+ * Returns a node containing all the input_item of the directory pointer by
+ * this stream. returns VLC_SUCCESS on success.
+ */
+int stream_ReadDir( stream_t *s, input_item_node_t *p_node )
+{
+    return s->pf_readdir( s, p_node );
+}