[vlc-commits] packetizer: mpegaudio: flag discontinuity on timebase change

[Francois Cartegnie]

vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Tue Oct 25 11:22:58 2016 +0200| [ce02dd5c0defc8f15b93f8b6c6b986cfaadfa50e] | committer: Francois Cartegnie

packetizer: mpegaudio: flag discontinuity on timebase change

also resets internal timebase on backward seek

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=ce02dd5c0defc8f15b93f8b6c6b986cfaadfa50e
---

 modules/packetizer/mpegaudio.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/modules/packetizer/mpegaudio.c b/modules/packetizer/mpegaudio.c
index 6cab0f5..1f7ad0f 100644
--- a/modules/packetizer/mpegaudio.c
+++ b/modules/packetizer/mpegaudio.c
@@ -345,10 +345,18 @@ static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
         case STATE_SYNC:
             /* New frame, set the Presentation Time Stamp */
             p_sys->i_pts = p_sys->bytestream.p_block->i_pts;
-            if( p_sys->i_pts > VLC_TS_INVALID &&
-                p_sys->i_pts > date_Get( &p_sys->end_date ) )
+            if( p_sys->i_pts > VLC_TS_INVALID )
             {
-                date_Set( &p_sys->end_date, p_sys->i_pts );
+                /* start or discontinuity */
+                if( date_Get( &p_sys->end_date ) == 0 )
+                {
+                    date_Set( &p_sys->end_date, p_sys->i_pts );
+                }
+                else if( date_Get( &p_sys->end_date ) != p_sys->i_pts )
+                {
+                    date_Set( &p_sys->end_date, p_sys->i_pts );
+                    p_sys->b_discontinuity = true;
+                }
             }
             p_sys->i_state = STATE_HEADER;