avformat/dvdvideodec: fix missing last chapter marker due to off-by-one

When using fast chapter marker calculation (default), the last marker is inadverdently ignored due to an off-by-one. Signed-off-by: Marth64 <marth64@proxyid.net>
4 months ago · a5a899bfcb
parent 1e3dc705df
commit a5a899bfcb
1 changed files with 1 additions and 1 deletions
--- a/libavformat/dvdvideodec.c
+++ b/libavformat/dvdvideodec.c
@ -874,7 +874,7 @@ static int dvdvideo_chapters_setup_simple(AVFormatContext *s)
    int64_t total_duration = 0;

    int chapter_start = c->opt_chapter_start;
-    int chapter_end = c->opt_chapter_end > 0 ? c->opt_chapter_end : c->play_state.pgc_nb_pg_est - 1;
+    int chapter_end = c->opt_chapter_end > 0 ? c->opt_chapter_end : c->play_state.pgc_nb_pg_est;

    /* dvdnav_describe_title_chapters() describes PGs rather than PTTs, so validate our range */
    if (c->play_state.pgc_nb_pg_est == 1            ||