diff mbox series

[FFmpeg-devel,v2,11/11] avformat/dvdvideodec: default menu_vts option to 1 and clarify description

Message ID 20240923051941.54124-12-marth64@proxyid.net
State New
Headers show
Series avformat/dvdvideodec: bugfixes and menu chapter markers | expand

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Commit Message

Marth64 Sept. 23, 2024, 5:19 a.m. UTC 
Menu 0 is the VIDEO_TS root menu, which does not appear to be used
commonly for menu segments. Instead, default to the menu of VTS 1.

Signed-off-by: Marth64 <marth64@proxyid.net>
---
 libavformat/dvdvideodec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libavformat/dvdvideodec.c b/libavformat/dvdvideodec.c
index e1c335f270..7e872e5405 100644
--- a/libavformat/dvdvideodec.c
+++ b/libavformat/dvdvideodec.c
@@ -1783,7 +1783,7 @@  static const AVOption dvdvideo_options[] = {
     {"chapter_start",   "entry chapter (PTT) number",                               OFFSET(opt_chapter_start),  AV_OPT_TYPE_INT,    { .i64=1 },     1,          99,        AV_OPT_FLAG_DECODING_PARAM },
     {"menu",            "demux menu domain",                                        OFFSET(opt_menu),           AV_OPT_TYPE_BOOL,   { .i64=0 },     0,          1,         AV_OPT_FLAG_DECODING_PARAM },
     {"menu_lu",         "menu language unit (0=auto)",                              OFFSET(opt_menu_lu),        AV_OPT_TYPE_INT,    { .i64=0 },     0,          99,        AV_OPT_FLAG_DECODING_PARAM },
-    {"menu_vts",        "menu VTS (0=VMG main menu)",                               OFFSET(opt_menu_vts),       AV_OPT_TYPE_INT,    { .i64=0 },     0,          99,        AV_OPT_FLAG_DECODING_PARAM },
+    {"menu_vts",        "menu VTS (0=VMG root menu)",                               OFFSET(opt_menu_vts),       AV_OPT_TYPE_INT,    { .i64=1 },     0,          99,        AV_OPT_FLAG_DECODING_PARAM },
     {"pg",              "entry PG number (when paired with PGC number)",            OFFSET(opt_pg),             AV_OPT_TYPE_INT,    { .i64=1 },     1,          255,       AV_OPT_FLAG_DECODING_PARAM },
     {"pgc",             "entry PGC number (0=auto)",                                OFFSET(opt_pgc),            AV_OPT_TYPE_INT,    { .i64=0 },     0,          999,       AV_OPT_FLAG_DECODING_PARAM },
     {"preindex",        "enable for accurate chapter markers, slow (2-pass read)",  OFFSET(opt_preindex),       AV_OPT_TYPE_BOOL,   { .i64=0 },     0,          1,         AV_OPT_FLAG_DECODING_PARAM },