From a79720e10f30e9fd18bd78242ce96dde06461343 Mon Sep 17 00:00:00 2001
From: Marcos Del Sol Vives via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
Date: Tue, 20 May 2025 11:26:21 +0200
Subject: [PATCH] avformat/matroskadec: Accept WebVTT subtitles with empty cues

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