do not mind large time discontinuities in SPU streams these are to be...

do not mind large time discontinuities in SPU streams these are to be expected, so do not reset timing
Signed-off-by: Laurent Aimar <fenrir@videolan.org>

modules/demux/ogg.c

@@ -674,6 +674,9 @@ static void Ogg_DecodePacket( demux_t *p_demux,
     i_interpolated_pts = p_stream->i_interpolated_pcr;
     Ogg_UpdatePCR( p_stream, p_oggpacket );
 
+    /* SPU streams are typically discontinuous, do not mind large gaps */
+    if( p_stream->fmt.i_cat != SPU_ES )
+    {
         if( p_stream->i_pcr >= 0 )
         {
             /* This is for streams where the granulepos of the header packets
@@ -687,6 +690,7 @@ static void Ogg_DecodePacket( demux_t *p_demux,
                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_stream->i_pcr );
             }
         }
+    }
 
     if( p_stream->fmt.i_codec != VLC_FOURCC( 'v','o','r','b' ) &&
         p_stream->fmt.i_codec != VLC_FOURCC( 's','p','x',' ' ) &&