realaudio: use VLC_TS_INVALID (refs #3135)

diff --git a/modules/codec/realaudio.c b/modules/codec/realaudio.c
index 61a4628c89fca1baac9dfe60a4313a2b31982201..2d0fcca3159cbbcdb38eaf694c22cae64f233784 100644 (file)
--- a/modules/codec/realaudio.c
+++ b/modules/codec/realaudio.c
@@ -700,7 +700,7 @@ static aout_buffer_t *Decode( decoder_t *p_dec, block_t **pp_block )
 #endif
 
     /* Date management */
-    if( p_block->i_pts > 0 &&
+    if( p_block->i_pts > VLC_TS_INVALID &&
         p_block->i_pts != date_Get( &p_sys->end_date ) )
     {
         date_Set( &p_sys->end_date, p_block->i_pts );