demux: ts: don't try to decode and warn on scrambled PES

modules/demux/ts.c

@@ -1567,8 +1567,9 @@ static void ParsePES( demux_t *p_demux, ts_pid_t *pid, block_t *p_pes )
     /* FIXME find real max size */
     /* const int i_max = */ block_ChainExtract( p_pes, header, 34 );
 
-    if( header[0] != 0 || header[1] != 0 || header[2] != 1 )
+    if( pid->b_scrambled || header[0] != 0 || header[1] != 0 || header[2] != 1 )
     {
+        if ( !pid->b_scrambled )
             msg_Warn( p_demux, "invalid header [0x%02x:%02x:%02x:%02x] (pid: %d)",
                         header[0], header[1],header[2],header[3], pid->i_pid );
         block_ChainRelease( p_pes );