SSL_CTX_set_tlsext_use_srtp
if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
__owur int SSL_CTX_set_tlsext_use_srtp(SSL_CTX *ctx, const char *profiles);
if (!TEST_true(SSL_CTX_set_tlsext_use_srtp(ctx, "SRTP_AEAD_AES_128_GCM")))