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sub: add `--sub-lavc-o` option 

We have `--vd-lavc-o` and `--ad-lavc-o`, but no equivalent option for
 subtitles.

Signed-off-by: Mohammad AlSaleh <CE.Mohammad.AlSaleh@gmail.com>
This commit is contained in:
Mohammad AlSaleh 2024-01-14 23:38:20 +03:00 committed by Dudemanguy
parent 1ea9e51f78
commit 02a20b4ebe
4 changed files with 12 additions and 0 deletions
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7
DOCS/man/options.rst
View File

@ -2320,6 +2320,13 @@ Subtitles
Force subtitle demuxer type for ``--sub-file``. Give the demuxer name as
printed by ``--sub-demuxer=help``.
``--sub-lavc-o=<key>=<value>[,<key>=<value>[,...]]``
Pass AVOptions to libavcodec decoder. Note, a patch to make the o=
unneeded and pass all unknown options through the AVOption system is
welcome. A full list of AVOptions can be found in the FFmpeg manual.
This is a key/value list option. See `List Options`_ for details.
``--sub-delay=<sec>``
Delays primary subtitles by ``<sec>`` seconds. Can be negative.

1
options/options.c
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@ -321,6 +321,7 @@ const struct m_sub_options mp_subtitle_sub_opts = {
{"teletext-page", OPT_INT(teletext_page), M_RANGE(1, 999)},
{"sub-past-video-end", OPT_BOOL(sub_past_video_end)},
{"sub-ass-force-style", OPT_REPLACED("sub-ass-style-overrides")},
{"sub-lavc-o", OPT_KEYVALUELIST(sub_avopts)},
{0}
},
.size = sizeof(OPT_BASE_STRUCT),

1
options/options.h
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@ -113,6 +113,7 @@ struct mp_subtitle_opts {
bool sub_clear_on_seek;
int teletext_page;
bool sub_past_video_end;
char **sub_avopts;
};
// Options for both primary and secondary subs.

3
sub/sd_lavc.c
View File

@ -96,6 +96,9 @@ static int init(struct sd *sd)
ctx = avcodec_alloc_context3(sub_codec);
if (!ctx)
goto error;
mp_set_avopts(sd->log, ctx, sd->opts->sub_avopts);
priv->avpkt = av_packet_alloc();
if (!priv->avpkt)
goto error;