Fix DVD seek_to_chapter: the title number must be converted to a per-VTS

title number first. Also add a few out-of-bounds checks just in case.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28226 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 9 insertions, 0 deletions

diff --git a/stream/stream_dvd.c b/stream/stream_dvd.c
index 235586597a..ae07239ad5 100644
--- a/stream/stream_dvd.c
+++ b/stream/stream_dvd.c
@@ -570,6 +570,15 @@ static int seek_to_chapter(stream_t *stream, ifo_handle_t *vts_file, tt_srpt_t *
     if(!vts_file || !tt_srpt)
        return 0;
 
+    if(title_no < 0 || title_no >= tt_srpt->nr_of_srpts)
+       return 0;
+
+    // map global title to vts title
+    title_no = tt_srpt->title[title_no].vts_ttn - 1;
+
+    if(title_no < 0 || title_no >= vts_file->vts_ptt_srpt->nr_of_srpts)
+       return 0;
+
     if(chapter < 0 || chapter > vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts-1) //no such chapter
        return 0;