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[FFmpeg-devel,v2] avformat/data_uri: Fix base64 decode buffer size calculation

Message ID 20240513141853.327-1-kasper93@gmail.com
State New
Headers show
Series [FFmpeg-devel,v2] avformat/data_uri: Fix base64 decode buffer size calculation | expand

Checks

Context Check Description
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Kacper Michajlow May 13, 2024, 2:18 p.m. UTC 
Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
---
 libavformat/data_uri.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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);