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demux_edl: add a special header to disable chapter generation 

A bit of a hack.
This commit is contained in:
wm4 2019-01-05 08:43:58 +01:00
parent b8f282fd32
commit b230525352
2 changed files with 28 additions and 10 deletions
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12
DOCS/edl-mpv.rst
View File

@ -100,6 +100,18 @@ entries affect all other file entries in the EDL file. Their format is highly
implementation specific. They should generally follow the file header, and come
before any file entries.
Disabling chapter generation and copying
========================================
By default, chapters from the source ranges are copied to the virtual file's
chapters. Also, a chapter is inserted after each range. This can be disabled
with the ``no_chapters`` header.
Example::
!no_chapters
MP4 DASH
========

26
demux/demux_edl.c
View File

@ -45,6 +45,7 @@ struct tl_part {
};
struct tl_parts {
bool disable_chapters;
bool dash;
char *init_fragment_url;
struct tl_part *parts;
@ -153,6 +154,8 @@ static struct tl_parts *parse_edl(bstr str)
struct tl_parts *ntl = talloc_zero(tl, struct tl_parts);
tl->next = ntl;
tl = ntl;
} else if (bstr_equals0(f_type, "no_chapters")) {
tl->disable_chapters = true;
} else {
goto error;
}
@ -309,17 +312,20 @@ static void build_timeline(struct timeline *tl, struct tl_parts *parts)
}
}
// Add a chapter between each file.
struct demux_chapter ch = {
.pts = starttime,
.metadata = talloc_zero(tl, struct mp_tags),
};
mp_tags_set_str(ch.metadata, "title", part->title ? part->title : part->filename);
MP_TARRAY_APPEND(tl, tl->chapters, tl->num_chapters, ch);
if (!parts->disable_chapters) {
// Add a chapter between each file.
struct demux_chapter ch = {
.pts = starttime,
.metadata = talloc_zero(tl, struct mp_tags),
};
mp_tags_set_str(ch.metadata, "title",
part->title ? part->title : part->filename);
MP_TARRAY_APPEND(tl, tl->chapters, tl->num_chapters, ch);
// Also copy the source file's chapters for the relevant parts
copy_chapters(&tl->chapters, &tl->num_chapters, source, part->offset,
part->length, starttime);
// Also copy the source file's chapters for the relevant parts
copy_chapters(&tl->chapters, &tl->num_chapters, source,
part->offset, part->length, starttime);
}
}
tl->parts[n] = (struct timeline_part) {