Don't print error on non-fatal problems

modules/demux/mpeg/m4v.c

@@ -95,7 +95,7 @@ static int Open( vlc_object_t * p_this )
             return VLC_EGENERIC;
         }
 
-        msg_Err( p_demux, "this doesn't look like an MPEG-4 ES stream, continuing" );
+        msg_Warn( p_demux, "this doesn't look like an MPEG-4 ES stream, continuing anyway" );
     }
 
     p_demux->pf_demux  = Demux;

modules/packetizer/mpeg4video.c

@@ -213,7 +213,7 @@ static block_t *Packetize( decoder_t *p_dec, block_t **pp_block )
 
     if( p_sys->i_buffer > 10*1000000 )
     {
-        msg_Err( p_dec, "mmh reseting context" );
+        msg_Warn( p_dec, "reseting context" );
         p_sys->i_buffer = 0;
     }