avformat/dvdvideodec: default menu_vts option to 1 and clarify description

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>
This commit is contained in:
Marth64 2024-10-07 18:04:59 -05:00
parent afc152f564
commit 4a03e95ff4
2 changed files with 2 additions and 2 deletions

View File

@ -384,7 +384,7 @@ Default is 0, the first language unit.
@item menu_vts @var{int} @item menu_vts @var{int}
The VTS where the menu lives, or 0 if it is a VMG menu (root-level). The VTS where the menu lives, or 0 if it is a VMG menu (root-level).
Default is 0, VMG menu. Default is 1, menu of the first VTS.
@item pgc @var{int} @item pgc @var{int}
The entry PGC to start playback, in conjunction with @option{pg}. The entry PGC to start playback, in conjunction with @option{pg}.

View File

@ -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 }, {"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", "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_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 }, {"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 }, {"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 }, {"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 },