---
libavcodec/webvttenc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavcodec/webvttenc.c b/libavcodec/webvttenc.c
index 9f67a2e..555e7c7 100644
--- a/libavcodec/webvttenc.c
+++ b/libavcodec/webvttenc.c
@@ -112,7 +112,12 @@ static void webvtt_style_apply(WebVTTContext *s, const
char *style)
static void webvtt_text_cb(void *priv, const char *text, int len)
{
WebVTTContext *s = priv;
- av_bprint_append_data(&s->buffer, text, len);
+ char *buf = av_strndup(text, len);
+ if (!buf)
+ return;
+
+ av_bprint_escape(&s->buffer, buf, NULL, AV_ESCAPE_MODE_XML, 0);
+ av_free(buf);
}
static void webvtt_new_line_cb(void *priv, int forced)
--
2.4.1
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