[FFmpeg-devel] [PATCH v5 12/15] avformat/tls_openssl: directly use mtu in TLSShared

Jack Lau jacklau1222gm at gmail.com
Tue Jul 22 15:36:13 EEST 2025


Openssl 1.1.0 version haven't DTLS_get_data_mtu API

Signed-off-by: Jack Lau <jacklau1222 at qq.com>
---
 libavformat/tls_openssl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/tls_openssl.c b/libavformat/tls_openssl.c
index fa852aac18..54860857c0 100644
--- a/libavformat/tls_openssl.c
+++ b/libavformat/tls_openssl.c
@@ -1013,7 +1013,7 @@ static int tls_write(URLContext *h, const uint8_t *buf, int size)
     uc->flags |= h->flags & AVIO_FLAG_NONBLOCK;
 
     if (c->tls_shared.is_dtls)
-        size = FFMIN(size, DTLS_get_data_mtu(c->ssl));
+        size = FFMIN(size, c->tls_shared.mtu);
 
     ret = SSL_write(c->ssl, buf, size);
     if (ret > 0)
-- 
2.49.0



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