---
libavformat/tls_openssl.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/tls_openssl.c b/libavformat/tls_openssl.c
index 900ee0f5ab..8326762592 100644
--- a/libavformat/tls_openssl.c
+++ b/libavformat/tls_openssl.c
@@ -987,9 +987,14 @@ static int tls_write(URLContext *h, const uint8_t *buf,
int size)
URLContext *uc = c->tls_shared.is_dtls ? c->tls_shared.udp
: c->tls_shared.tcp;
int ret;
+
// Set or clear the AVIO_FLAG_NONBLOCK on c->tls_shared.tcp
uc->flags &= ~AVIO_FLAG_NONBLOCK;
uc->flags |= h->flags & AVIO_FLAG_NONBLOCK;
+
+ if (c->tls_shared.is_dtls)
+ size = FFMIN(size, DTLS_get_data_mtu(c->ssl));
+
ret = SSL_write(c->ssl, buf, size);
if (ret > 0)
return ret;
--
2.49.0
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