[vlc-commits] demux:mkv: always start from the first Cluster when we don't know we to seek

[Steve Lhomme]

vlc | branch: master | Steve Lhomme <robux4 at videolabs.io> | Fri Feb  2 16:57:14 2018 +0100| [465af7493db8ec8e48d95832e5a5d111e2849762] | committer: Steve Lhomme

demux:mkv: always start from the first Cluster when we don't know we to seek

When the file is truncated some previous seek may have failed and we need to
reset the OEF.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=465af7493db8ec8e48d95832e5a5d111e2849762
---

 modules/demux/mkv/matroska_segment_seeker.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/demux/mkv/matroska_segment_seeker.cpp b/modules/demux/mkv/matroska_segment_seeker.cpp
index e6f8a5b13d..bb38ee31de 100644
--- a/modules/demux/mkv/matroska_segment_seeker.cpp
+++ b/modules/demux/mkv/matroska_segment_seeker.cpp
@@ -486,6 +486,11 @@ SegmentSeeker::mkv_jump_to( matroska_segment_c& ms, fptr_t fpos )
             mark_range_as_searched( Range( i_cluster_pos, ms.es.I_O().getFilePointer() ) );
         }
     }
+    else if (ms.cluster != NULL)
+    {
+        // make sure we start reading after the Cluster start
+        ms.es.I_O().setFilePointer(ms.cluster->GetDataStart());
+    }
 
     ms.ep.Down();