From: "Kacper Michajłow" <kasper93@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: "Kacper Michajłow" <kasper93@gmail.com>
Subject: [FFmpeg-devel] [PATCH v2] avformat/data_uri: Fix base64 decode buffer size calculation
Date: Mon, 13 May 2024 16:18:53 +0200
Message-ID: <20240513141853.327-1-kasper93@gmail.com> (raw)
Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
---
libavformat/data_uri.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/data_uri.c b/libavformat/data_uri.c
index 3868a19630..5991ad4ed4 100644
--- a/libavformat/data_uri.c
+++ b/libavformat/data_uri.c
@@ -73,7 +73,7 @@ static av_cold int data_open(URLContext *h, const char *uri, int flags)
data++;
in_size = strlen(data);
if (base64) {
- size_t out_size = 3 * (in_size / 4) + 1;
+ size_t out_size = AV_BASE64_DECODE_SIZE(in_size);
if (out_size > INT_MAX || !(ddata = av_malloc(out_size)))
return AVERROR(ENOMEM);
--
2.43.0
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