htmlsubtitles: support <br> tag

Some .srt files use this tag.

(An alternative implementation would be correctly ignoring unknown tags,
and treating them as whitespace. libass can do automatic line wrapping.)

diff --git a/libavcodec/htmlsubtitles.c b/libavcodec/htmlsubtitles.c
index be5c9316caf4a7cafb35deaac1d13d740b5a71ac..fe991678d5d844c3d1745dfc096a4122b0b7b6ac 100644 (file)
--- a/libavcodec/htmlsubtitles.c
+++ b/libavcodec/htmlsubtitles.c
@@ -167,6 +167,8 @@ int ff_htmlmarkup_to_ass(void *log_ctx, AVBPrint *dst, const char *in)
                         }
                     } else if (tagname[0] && !tagname[1] && strspn(tagname, "bisu") == 1) {
                         av_bprintf(dst, "{\\%c%d}", tagname[0], !tag_close);
+                    } else if (!strcmp(tagname, "br")) {
+                        av_bprintf(dst, "\\N");
                     } else {
                         unknown = 1;
                         snprintf(tmp, sizeof(tmp), "</%s>", tagname);