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lavc/htmlsubtitles: improve line breaks handling

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This commit is contained in:
Clément Bœsch 2017-07-29 21:09:54 +02:00
parent 55949e3e51
commit e800371863
3 changed files with 6 additions and 2 deletions
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5
libavcodec/htmlsubtitles.c
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@ -165,7 +165,7 @@ int ff_htmlmarkup_to_ass(void *log_ctx, AVBPrint *dst, const char *in)
#define LIKELY_A_TAG_CHAR(x) (((x) >= '0' && (x) <= '9') || \
((x) >= 'a' && (x) <= 'z') || \
((x) >= 'A' && (x) <= 'Z') || \
(x) == '_')
(x) == '_' || (x) == '/')
for (i = 0; tagname[i]; i++) {
if (!LIKELY_A_TAG_CHAR(tagname[i])) {
likely_a_tag = 0;
@ -237,7 +237,8 @@ int ff_htmlmarkup_to_ass(void *log_ctx, AVBPrint *dst, const char *in)
} else if (tagname[0] && !tagname[1] && strchr("bisu", av_tolower(tagname[0]))) {
av_bprintf(dst, "{\\%c%d}", (char)av_tolower(tagname[0]), !tag_close);
in += skip;
} else if (!av_strcasecmp(tagname, "br")) {
} else if (!av_strncasecmp(tagname, "br", 2) &&
(!tagname[2] || (tagname[2] == '/' && !tagname[3]))) {
av_bprintf(dst, "\\N");
in += skip;
} else if (likely_a_tag) {

2
libavcodec/tests/htmlsubtitles.c
View File

@ -29,6 +29,8 @@ static const char * const test_cases[] = {
"Foo <foo@bar.com>", // not a tag (not alnum)
"<b> foo <I> bar </B> bla </i>", // broken nesting
"A<br>B<BR/>C<br / >D< Br >E<brk><brk/>", // misc line breaks
};
int main(void)

1
tests/ref/fate/libavcodec-htmlsubtitles
View File

@ -5,3 +5,4 @@
< font color=red >red</font> --> {\c&HFF&}red{\c}
Foo <foo@bar.com> --> Foo <foo@bar.com>
<b> foo <I> bar </B> bla </i> --> {\b1} foo {\i1} bar {\b0} bla {\i0}
A<br>B<BR/>C<br / >D< Br >E<brk><brk/> --> A\NB\NC\ND\NE