avformat/dvdvideodec: fix menu PGC number off-by-one in state

Signed-off-by: Marth64 <marth64@proxyid.net>
3 months ago · 94346edbbf
parent 3ad96243d7
commit 94346edbbf
1 changed files with 1 additions and 1 deletions
--- a/libavformat/dvdvideodec.c
+++ b/libavformat/dvdvideodec.c
@ -344,7 +344,7 @@ static int dvdvideo_menu_open(AVFormatContext *s, DVDVideoPlaybackState *state)
    }

    /* make sure the PGC is valid */
-    state->pgcn          = c->opt_pgc - 1;
+    state->pgcn          = c->opt_pgc;
    state->pgc           = pgci_ut->lu[c->opt_menu_lu - 1].pgcit->pgci_srp[c->opt_pgc - 1].pgc;
    if (!state->pgc || !state->pgc->program_map || !state->pgc->cell_playback) {
        av_log(s, AV_LOG_ERROR, "Invalid PGC structure for menu [LU %d, PGC %d]\n",