From patchwork Sat Oct 22 10:49:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jun Zhao X-Patchwork-Id: 38905 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:4a86:b0:9d:28a3:170e with SMTP id fn6csp1227876pzb; Sat, 22 Oct 2022 03:50:11 -0700 (PDT) X-Google-Smtp-Source: AMsMyM5RNbsYUlczGUA+l5EGp2ndCI8xbHtyOrtQcetQ3wB1t1Ih3P03W33C8W9A5AT5ujSHsLHt X-Received: by 2002:a17:907:78d:b0:740:33e1:998 with SMTP id xd13-20020a170907078d00b0074033e10998mr19975897ejb.162.1666435810860; Sat, 22 Oct 2022 03:50:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1666435810; cv=none; d=google.com; s=arc-20160816; b=T6XEY2Z2euiq0rQir4vENGAAuKnbNmTwBdfbhBV/MKFUAg+bflbVzhigSu5/1U4nYX QxUa9NQAVF5Of2AZkDR5E2LjQL7kUAZ2uLlpibeYMvn341rUjLoi6iMc9pyn8xHEcOXa PUhsdy0ZL6YmBt2mNdUqG15t6rIYNrasdsJH1T2F8uChfNRHtmKmWAoe/jAln4sOloup q8qrKWVZzCElueWgj0mMluK7VUMlXYm7FjyRbOQ7pDCLUQcFBxt97vskgaSNaF/84U7M vT5jzy8/DClLYUUlTxizOZT+7VvKvKB5gYUsG6WbejmEvFvIclcvax9+9j7AiOedE5Wk uu8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:cc:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:mime-version:message-id:date:to:from :dkim-signature:delivered-to; bh=5keDkKKcK7ZjOwUJ7+MH3roDKbPAtEFQ4sJJwH/u8RE=; b=gmiftHUa3N9ockNlmj5gXN8yy0/mycWnHA5IK8vmVrc3tNKvppMBS9Ji0Cl26bKuE2 wRrT0KpDth/uiv+wHkD287a71EJ2aYAi7qqEH/JuU4RKFhOihjq3e5OE1xxT4sJw2n1Y vZ97Hw1/bvDD9+GkKHP6Y4+ywE8mIUL5qONAAis1LHT7BXiTielUxFPO+2DgP8XUfrq+ v3bCsE+R6OhKLaJKfUYOC+aBcYqve59k4YT7iAa4xwH/OuPDWRdP6prdf5yAypIPvC0a e7JWprhER48TnhCBVhRmZpKCZUvc5nSZW6c7b40aAXLIMk7Jq1loeHze4am4bvViuKp1 w27A== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20210112 header.b=nyQvsPnP; 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 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id gn28-20020a1709070d1c00b00732fa13e848si24918919ejc.597.2022.10.22.03.50.10; Sat, 22 Oct 2022 03:50:10 -0700 (PDT) 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=nyQvsPnP; 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 92FC768BEB9; Sat, 22 Oct 2022 13:50:07 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wm1-f46.google.com (mail-wm1-f46.google.com [209.85.128.46]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 06A8E68BDEB for ; Sat, 22 Oct 2022 13:50:01 +0300 (EEST) Received: by mail-wm1-f46.google.com with SMTP id az22-20020a05600c601600b003c6b72797fdso3622385wmb.5 for ; Sat, 22 Oct 2022 03:50:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=VoYLXGu7n79NatQ8lZQ9GUgNbJQ2MZ8sBYCmDm9K6Y8=; b=nyQvsPnPsN1venGBQeAShbLdVhSbBRTDz4Lgchoz2C6r6sLfZKKn51MG0V8dg1P55t lkGnHMSx/wwxj3sJTFw7IOXjOAZByZOroeWcvdUiGvVvi9ooJdQpdA6NUHKdVk7qC/jP JN4wZE0OY4YwMQ0oDpGui40CB8Wo7bAoAoCUHiDxU2iCPTc8Dz/Y3CETjBcIpDScbfki OPSLgKQ4yJwN3q9grME9pdQyNYjwR+kkEiYFIvQFz+zpUysoGrL7paXQL5X0gOK8CfZ/ zd/D/bCt9KNMkRwvFUXVdNqUickFiv/Rk63PoYp+AVGy2OUVPQXJTHWxcybpJzL9eFFB sbxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=VoYLXGu7n79NatQ8lZQ9GUgNbJQ2MZ8sBYCmDm9K6Y8=; b=UIcw/P+CBDVfei7mmVD1Nv9iXCnxBshxWW/cH/WO5aeMo7BdHNrAgWrggSsOKKaVSH TKm9wNiIMd/9yoQzj/hwyEIiuiQ+Qiw1QWNtdRm/Z4Ut8YXX/3Vi4vWk85WQFY4Dqs/n 11HxQEiH+104R3Gnh/rAv0hoq+nMY0d+tYechOHaZKVym5tph+CGTaU4nKf4wd2w6mF/ JXk33RIJ5vHy0V2o082TPMxi5w1NUZ0LuoLnMzXnO/pnMloGtjBtFmxYx7XBoxYqhDRq YzfZ2r46eVcBHF2T1/5LvYRiGKdLyIO7KQuPVtnV6u+a4MuhEmq8QkxDSl85xNnoVL+3 nhhg== X-Gm-Message-State: ACrzQf0ROvhaAOfGkWHw2pMiDDlA1ZuEF0b0z2GXaCnhe+N7MqoYzZu9 5epOuTFfDVIwaQO7AXNnPSp9HUdKLNmEySZ+ X-Received: by 2002:a1c:730e:0:b0:3b4:b0c0:d616 with SMTP id d14-20020a1c730e000000b003b4b0c0d616mr16294268wmb.72.1666435799453; Sat, 22 Oct 2022 03:49:59 -0700 (PDT) Received: from localhost.localdomain ([49.51.162.193]) by smtp.gmail.com with ESMTPSA id m29-20020a05600c091d00b003c21ba7d7d6sm4887920wmp.44.2022.10.22.03.49.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Oct 2022 03:49:58 -0700 (PDT) From: Jun Zhao To: ffmpeg-devel@ffmpeg.org Date: Sat, 22 Oct 2022 18:49:19 +0800 Message-Id: <20221022104920.149184-1-mypopydev@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/2] doc/examples/muxing: Remove unnecessary ret 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: Jun Zhao Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: 4t3gylP2MKc+ From: Jun Zhao Remove unnecessary ret and make the code more compact Signed-off-by: Jun Zhao --- doc/examples/muxing.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/doc/examples/muxing.c b/doc/examples/muxing.c index 3acb778322..cd997d5431 100644 --- a/doc/examples/muxing.c +++ b/doc/examples/muxing.c @@ -219,8 +219,6 @@ static AVFrame *alloc_audio_frame(enum AVSampleFormat sample_fmt, int sample_rate, int nb_samples) { AVFrame *frame = av_frame_alloc(); - int ret; - if (!frame) { fprintf(stderr, "Error allocating an audio frame\n"); exit(1); @@ -232,8 +230,7 @@ static AVFrame *alloc_audio_frame(enum AVSampleFormat sample_fmt, frame->nb_samples = nb_samples; if (nb_samples) { - ret = av_frame_get_buffer(frame, 0); - if (ret < 0) { + if (av_frame_get_buffer(frame, 0) < 0) { fprintf(stderr, "Error allocating an audio buffer\n"); exit(1); }