ffmpeg | branch: master | Marcos Del Sol Vives via ffmpeg-devel 
<ffmpeg-de...@ffmpeg.org> | Tue May 20 11:26:21 2025 +0200| 
[a79720e10f30e9fd18bd78242ce96dde06461343] | committer: Michael Niedermayer

avformat/matroskadec: Accept WebVTT subtitles with empty cues

Fixes: #11493
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a79720e10f30e9fd18bd78242ce96dde06461343
---

 libavformat/matroskadec.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 29e35e6dd4..2750652c51 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -3824,9 +3824,6 @@ static int matroska_parse_webvtt(MatroskaDemuxContext 
*matroska,
         text_len = len;
     }
 
-    if (text_len <= 0)
-        return AVERROR_INVALIDDATA;
-
     err = av_new_packet(pkt, text_len);
     if (err < 0) {
         return err;

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