On 22/07/2025 14:36, Jack Lau wrote:
Openssl 1.1.0 version haven't DTLS_get_data_mtu API
Signed-off-by: Jack Lau <jacklau1...@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);
This is not the same value, no.
DTLS_get_data_mtu returns the mtu minus the size of the DTLS header and
footer, i.e. the maximum amount of data it can consume.
Which is exactly what it's used for here.
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