RTP reordering in module/access/udp.c done by me with help from Marian...

RTP reordering in module/access/udp.c done by me with help from Marian Durkovic (md _AT_ bts _dot_ sk). Allow src/input/stream.c to handle a linked list of blocks from demuxers.

src/input/stream.c

@@ -612,12 +612,16 @@ static void AStreamPrebufferBlock( stream_t *s )
             msg_Dbg( s, "received first data for our buffer");
         }
 
+        while( b )
+        {
             /* Append the block */
             p_sys->block.i_size += b->i_buffer;
             *p_sys->block.pp_last = b;
             p_sys->block.pp_last = &b->p_next;
 
             p_sys->stat.i_read_count++;
+            b = b->p_next;
+        }
     }
 
     p_sys->block.p_current = p_sys->block.p_first;
@@ -926,6 +930,9 @@ static int AStreamRefillBlock( stream_t *s )
 
         msleep( STREAM_DATA_WAIT );
     }
+
+    while( b )
+    {
         i_stop = mdate();
 
         /* Append the block */
@@ -942,6 +949,9 @@ static int AStreamRefillBlock( stream_t *s )
         p_sys->stat.i_read_time += i_stop - i_start;
         p_sys->stat.i_read_count++;
 
+        b = b->p_next;
+        i_start = mdate();
+    }
     return VLC_SUCCESS;
 }