all: fix a bug in packet parsing and can now play unseekable stream.

modules/demux/asf/asf.c

@@ -2,7 +2,7 @@
  * asf.c : ASFv01 file input module for vlc
  *****************************************************************************
  * Copyright (C) 2001 VideoLAN
- * $Id: asf.c,v 1.3 2002/10/28 11:49:57 fenrir Exp $
+ * $Id: asf.c,v 1.4 2002/11/10 16:31:20 fenrir Exp $
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  * 
  * This program is free software; you can redistribute it and/or modify
@@ -432,8 +432,10 @@ static int Demux( input_thread_t *p_input )
         i_packet_send_time = GetDWLE( p_peek + i_skip ); i_skip += 4;
         i_packet_duration  = GetWLE( p_peek + i_skip ); i_skip += 2;
     
-        i_packet_size_left = i_packet_length;   // XXX donnes reellement lu
-
+//        i_packet_size_left = i_packet_length;   // XXX donnes reellement lu
+        /* FIXME I have to do that for some file, I don't known why */
+        i_packet_size_left = i_data_packet_min;
+        
         if( b_packet_multiple_payload )
         {
             i_payload_count = p_peek[i_skip] & 0x3f;
@@ -495,6 +497,7 @@ static int Demux( input_thread_t *p_input )
                 i_media_object_offset = i_tmp;
             }
 
+            i_pts = __MAX( i_pts - p_demux->p_fp->i_preroll * 1000, 0 );
 
             if( b_packet_multiple_payload )
             {
@@ -632,7 +635,6 @@ loop_error_recovery:
         ASF_SkipBytes( p_input, i_data_packet_min );
 
     }   // loop over packet
-    
     p_demux->i_time = 0;
     for( i = 0; i < 128 ; i++ )
     {
@@ -643,7 +645,7 @@ loop_error_recovery:
         }
 #undef p_stream
     }
-
+    
     return( 1 );
 }
 

modules/demux/asf/libasf.c

@@ -2,7 +2,7 @@
  * libasf.c : 
  *****************************************************************************
  * Copyright (C) 2001 VideoLAN
- * $Id: libasf.c,v 1.4 2002/11/08 10:26:53 gbazin Exp $
+ * $Id: libasf.c,v 1.5 2002/11/10 16:31:20 fenrir Exp $
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  * 
  * This program is free software; you can redistribute it and/or modify
@@ -110,18 +110,45 @@ int ASF_SeekAbsolute( input_thread_t *p_input,
 {
     off_t i_filepos;
 
-    if( i_pos >= p_input->stream.p_selected_area->i_size )
+    i_filepos = ASF_TellAbsolute( p_input );
+    if( i_pos == i_filepos )
     {
-        return( 0 );
+        return( 1 );
     }
-            
-    i_filepos = ASF_TellAbsolute( p_input );
-    if( i_pos != i_filepos )
+
+    if( p_input->stream.b_seekable && 
+        p_input->stream.i_method != INPUT_METHOD_NETWORK )
     {
         p_input->pf_seek( p_input, i_pos );
         input_AccessReinit( p_input );
+        return( 1 );
     }
-    return( 1 );
+    else if( i_pos > i_filepos )
+    {
+        u64 i_size = i_pos - i_filepos;
+        do
+        {
+            data_packet_t *p_data;
+            int i_read;
+
+            i_read = 
+                input_SplitBuffer(p_input, &p_data, __MIN( i_size, 1024 ) );
+            if( i_read <= 0 )
+            {
+                return( 0 );
+            }
+            input_DeletePacket( p_input->p_method_data, p_data );
+            i_size -= i_read;
+                    
+        } while( i_size > 0 );
+
+        return( 1 );
+    }
+    else
+    {
+        msg_Err( p_input, "cannot seek" );
+        return( 0 );
+    }   
 }
 
 /* return 1 if success, 0 if fail */
@@ -203,7 +230,7 @@ int ASF_NextObject( input_thread_t *p_input,
     {
         return( 0 ); /* failed */
     }
-    if( p_obj->common.p_father )
+    if( p_obj->common.p_father && p_obj->common.p_father->common.i_object_size != 0 )
     {
         if( p_obj->common.p_father->common.i_object_pos + p_obj->common.p_father->common.i_object_size <
                 p_obj->common.i_object_pos + p_obj->common.i_object_size + 24 )