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[79.124.17.100]) by mx.google.com with ESMTP id b14si3038759edz.63.2022.02.04.21.30.03; Fri, 04 Feb 2022 21:30:04 -0800 (PST) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20210112 header.b=jtiAAveE; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B244068B31B; Sat, 5 Feb 2022 07:29:59 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id AA2F268B037 for ; Sat, 5 Feb 2022 07:29:53 +0200 (EET) Received: by mail-pg1-f178.google.com with SMTP id j10so6758967pgc.6 for ; Fri, 04 Feb 2022 21:29:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=fyYeTqhIrBKzdCkOwNb6gRo4CrotTa9sdaTxTaV4aNE=; b=jtiAAveEC2h4/MfplrXokjj9yy3BJ2hU2jPKjVp1Aqz28M/NnGL8H9pwK2vnnIKZ0q NUSTzyz6oGEMfDsrXMOoluoGEPpMvqfrmQzpFsbGKFYa56pUhRokAcCbpBvoKzeymfyl +v+xPsKOZQdkmTXR8pqaBQ7ZChnLsKDuOAEUtOcFUuJb7AGHkeLwBLxkLraPDRP8EKbt Sw/yk6Fvdy1FxkROUmLYyiRPKzGIj8qlWj5clWHL1tq6WTBCdTxdJJKmwGgWTuXP2iiU tsNjfe6RxBSNDTVDQvgvNddVgCIXk0qiuWHZ4qdIUCt+uvtNtFj5BHEDV1KpJhO2ukK4 6AJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=fyYeTqhIrBKzdCkOwNb6gRo4CrotTa9sdaTxTaV4aNE=; b=LgsSK9tqxA3rG5/vydgSvkDjmJ17EmR9+spQsGX2KdalvWrEM9hkAkYxBFAVkvZOPl E6WNNQQGCLGXQsE65ljq5JGdV4dEdiOrtjYhk7G4MDnXOUcV8XrH+qKplEZGmTe+lWml rZmHiLf9fJZMo+Fq3UebNYGKtikMdb5/n6uLfRpoztTzV2CzP983e6j8CsSADp8HtEPJ O3CS4iSzJFnNOq2peCmAxJP6Clksby8H/FPPlahzqzygDoRlcuDcmQyfqYkA3ZBU2Cw4 2U90nri/41+lju4ifbZTGiOkJ7Z7OO0AG2JwpXpToJForyZcTnJ3ujSyB+EKQjUN+y0I THaw== X-Gm-Message-State: AOAM531a9aNdnwosA6YIIGO0Ae6YGz59PynSX8FndNlR8Y81DH2IAO/4 twA2fOAqUUyoU309jNxQ6FAzsTtQjJM= X-Received: by 2002:a63:f942:: with SMTP id q2mr1868338pgk.573.1644038991603; Fri, 04 Feb 2022 21:29:51 -0800 (PST) Received: from vpn2.localdomain ([161.117.202.209]) by smtp.gmail.com with ESMTPSA id s14sm4523433pfk.174.2022.02.04.21.29.50 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 04 Feb 2022 21:29:51 -0800 (PST) From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Sat, 5 Feb 2022 13:28:17 +0800 Message-Id: <1644038899-15433-1-git-send-email-lance.lmwang@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1643260580-25792-1-git-send-email-lance.lmwang@gmail.com> References: <1643260580-25792-1-git-send-email-lance.lmwang@gmail.com> Subject: [FFmpeg-devel] [PATCH v2 1/3] avformat/udp: use one setsockopt for ipv4/ipv6 X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Limin Wang MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: IP7fbtr6CN15 From: Limin Wang Signed-off-by: Limin Wang --- libavformat/udp.c | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) diff --git a/libavformat/udp.c b/libavformat/udp.c index 83c042d..3dc79eb 100644 --- a/libavformat/udp.c +++ b/libavformat/udp.c @@ -162,22 +162,31 @@ static int udp_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr, void *logctx) { + int protocol, cmd; + + switch (addr->sa_family) { #ifdef IP_MULTICAST_TTL - if (addr->sa_family == AF_INET) { - if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) { - ff_log_net_error(logctx, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL)"); - return ff_neterrno(); - } - } + case AF_INET: + protocol = IPPROTO_IP; + cmd = IP_MULTICAST_TTL; + break; #endif #if defined(IPPROTO_IPV6) && defined(IPV6_MULTICAST_HOPS) - if (addr->sa_family == AF_INET6) { - if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &mcastTTL, sizeof(mcastTTL)) < 0) { - ff_log_net_error(logctx, AV_LOG_ERROR, "setsockopt(IPV6_MULTICAST_HOPS)"); + case AF_INET6: + protocol = IPPROTO_IPV6; + cmd = IPV6_MULTICAST_HOPS; + break; +#endif + default: + errno = EAFNOSUPPORT; return ff_neterrno(); - } } -#endif + + if (setsockopt(sockfd, protocol, cmd, &mcastTTL, sizeof(mcastTTL)) < 0) { + ff_log_net_error(logctx, AV_LOG_ERROR, "setsockopt"); + return ff_neterrno(); + } + return 0; }