From c75439a93bd3785fe98c6bd313b08c4b52d3f274 Mon Sep 17 00:00:00 2001
From: dariusz-f <dariusz-f@noreply.code.ffmpeg.org>
Date: Wed, 27 Aug 2025 08:24:21 +0000
Subject: [PATCH] Update libavformat/apvdec.c

Increase au_size limit by 4 times to fit more complex videos.

Signed-off-by: dariusz-f <dariusz-f@noreply.code.ffmpeg.org>
---
 libavformat/apvdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/apvdec.c b/libavformat/apvdec.c
index 4a5592d98c..f8e3cf58cd 100644
--- a/libavformat/apvdec.c
+++ b/libavformat/apvdec.c
@@ -207,7 +207,7 @@ static int apv_read_packet(AVFormatContext *s, AVPacket *pkt)
     au_size = avio_rb32(s->pb);
     if (au_size == 0 && avio_feof(s->pb))
         return AVERROR_EOF;
-    if (au_size == 0 || au_size > UINT32_MAX) {
+    if (au_size < 24 || au_size > 1 << 26) {
         av_log(s, AV_LOG_ERROR,
                "APV AU has invalid size: %"PRIu32"\n", au_size);
         return AVERROR_INVALIDDATA;