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[79.124.17.100]) by mx.google.com with ESMTP id z16si3558429edc.419.2021.12.02.20.57.43; Thu, 02 Dec 2021 20:57:44 -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=OL8nWuGO; 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 C516468AE42; Fri, 3 Dec 2021 06:57:27 +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 E15CE68A083 for ; Fri, 3 Dec 2021 06:57:20 +0200 (EET) Received: by mail-pg1-f178.google.com with SMTP id 137so1916012pgg.3 for ; Thu, 02 Dec 2021 20:57:20 -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=OZ2YpStbrbOgcChPlyq9MadjuqAu+yBQYXMVz9MlyDg=; b=OL8nWuGOIqtoi7pfWyk6ewXCCbURIhrJQUyTGIke4JI16gzT5i9jKFppl585Pg4U1K /7L3oALrb+AjpKn3cYVchipTw6eeCV4+OzAqoId4ICoEDcfbPztzxODeDDvHFCQvtsLu lVE0NK9ctUMWxMmFpU/SmjNpXM+RLVOf4v9f1z7A96xoA+zVLhBLgbAT1h8JqMVWPod+ OoDDeQ1TPXEl7Fm/3e7EeD8Rq4QrD21lqHWUbLywR0Y7nsGJ1VYtcmfYwMZkC0DwW49P pIy0/DCE4LncgYvsO7QJ5ancPRx5tEkJ0SUJ7iiFTRLjeBSh+5U2o/3Yfoi6mxvV616F G+3w== 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=OZ2YpStbrbOgcChPlyq9MadjuqAu+yBQYXMVz9MlyDg=; b=2bRPhXv0NVUAXWNUcFX2/5WnhuOqQlhuvTvh/q6HYD5OgC3Oa3wuZJpciZpqyiHM1p c4NnXVOXuPKrvnnmPEBkYiAltqmND4NJN3sPTvQwkDid//wEy09ogyIc2B1Vxuz45jzN EQLu46795GWEgsz+WLkUpkdp4zzj1Ia0KStHAmUiBYHiJve103JKLOMo4DVV7aC2/v+3 5iQduOJVLqRUQrKWY9cGsLxHsphrtxOLURwyLiuBJzSEZ6g6+jb22yJgZ+2T69+XMn+r zUbOw4O4WXUi/J9IFHUQ/LQpIx+Bj6kaPOgIRfeKGf96JZ/YumMQLd8x8Kxr9/WdoHFR AGOw== X-Gm-Message-State: AOAM531+q0OD1SMB9y0N390o5t1fQ6LVJF3bdcJqdQSZyWOpVuMW7nXI fDQWq4CGvFTGTRK0ybyXlXzWxPxIAEw= X-Received: by 2002:a63:1016:: with SMTP id f22mr2816716pgl.566.1638507438876; Thu, 02 Dec 2021 20:57:18 -0800 (PST) Received: from vpn2.localdomain ([161.117.202.209]) by smtp.gmail.com with ESMTPSA id qe12sm4033532pjb.29.2021.12.02.20.57.17 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 Dec 2021 20:57:18 -0800 (PST) From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Fri, 3 Dec 2021 12:57:13 +0800 Message-Id: <1638507433-5005-2-git-send-email-lance.lmwang@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1638507433-5005-1-git-send-email-lance.lmwang@gmail.com> References: <1638507433-5005-1-git-send-email-lance.lmwang@gmail.com> Subject: [FFmpeg-devel] [PATCH 2/2] avformat/aviobuf: prefer to use avio_read_partial() 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: VqpSnmJ9aX2m From: Limin Wang This is allowed to read fewer bytes than requested. The missing bytes can be read in the next call. Signed-off-by: Limin Wang --- libavformat/aviobuf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 14688a2..ebb86e5 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -1317,7 +1317,7 @@ int avio_read_to_bprint(AVIOContext *h, AVBPrint *pb, size_t max_size) int ret; char buf[1024]; while (max_size) { - ret = avio_read(h, buf, FFMIN(max_size, sizeof(buf))); + ret = avio_read_partial(h, buf, FFMIN(max_size, sizeof(buf))); if (ret == AVERROR_EOF) return 0; if (ret <= 0)