From patchwork Wed Mar 7 09:07:04 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Patagar, Ravindra" X-Patchwork-Id: 7844 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.2.181.170 with SMTP id m39csp4744986jaj; Wed, 7 Mar 2018 01:07:25 -0800 (PST) X-Google-Smtp-Source: AG47ELuF6iFgZ+NLsW/jwz67oLcgxvTKk1qc1Kjm3fbTNK9J5I9JjpK2nHFIk20J9ZuYQNuBavlJ X-Received: by 10.28.208.70 with SMTP id h67mr5746676wmg.95.1520413645642; Wed, 07 Mar 2018 01:07:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1520413645; cv=none; d=google.com; s=arc-20160816; b=fAjZkzl+LR7doGLPvQfDjB+fTjzUYGWrb4Dk5UC6S6ZaOqAogexHmA21Sehw/vF9/A XW2aj7D8kqunzLItBeMSm86vw3kiDwLlx6W+0OnSNmSdmwE07RGGrkW4B7rozIoIfGfh 88FKQYnXEtjNeIywLLVFkjRSi+9ELFvt6d+ERE2Zd4STU4o78atj8xEVlfE4GuCnb+XQ MAYj6twAfQS/Ir5ByrNbHb8wlmohoL5LelzVKhr5NIWVW5CQGIzs5YJu6/b3OD5ias9M azdjAjMLWuWN8e2Gmv7zc98ARLoSFiNnH9Drg4bOyAOk+hGCCB7g2wKHtZu9Qyl2C/dZ Usyw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:cc:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:feedback-id:references:in-reply-to :message-id:date:to:from:dkim-signature:delivered-to :arc-authentication-results; bh=TWSo3sCzZ2zakiQKYStUUG7oi3Eyw1DXrz/05FG6OQ4=; b=zcCaE/lc4uvm9RZjTaCeBi8bHyUcqNeLX+wNvI41I3eBGN0NtTPEcsxxA1u8zkmPgx g+trex0jLlHIEfHWb8/YIydXuN28Ubjj2AA5is+2n6hj2Pft+3zUHHHqFvU6rbITBwsc GxhnXNOud2fR4t1RR4PjqM1R0/K7qCrut0wbVRtwhOLS/LhlPN2W9TLqzd3zEoTHWXmz O88qFLVdKvoHOXWcr3ncuA9GpeHRjigMguyQj7DfwgFvmF+LOfAnxJh4QmdhG/GN/tpB LX/1oKcJEdfNgNqnpS2TetQ3QhrXzynMF2YXAayOfCAVjJMNTee4rZoGf0jzCP0MtkAm ma1w== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@smtpservice.net header.s=m78bu0.a1-4.dyn header.b=rFBBLjcz; 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=QUARANTINE sp=NONE dis=NONE) header.from=akamai.com Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id y21si1504316wra.296.2018.03.07.01.07.23; Wed, 07 Mar 2018 01:07:25 -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=@smtpservice.net header.s=m78bu0.a1-4.dyn header.b=rFBBLjcz; 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=QUARANTINE sp=NONE dis=NONE) header.from=akamai.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id BDF9568A3B1; Wed, 7 Mar 2018 11:07:13 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from a2i831.smtp2go.com (a2i831.smtp2go.com [103.47.207.63]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id DB7C768A286 for ; Wed, 7 Mar 2018 11:07:06 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=smtpservice.net; s=m78bu0.a1-4.dyn; x=1520414540; h=Feedback-ID: X-Smtpcorp-Track:Message-Id:Date:Subject:To:From:Reply-To:Sender: List-Unsubscribe; bh=U5Jlg96XtYQAEuN+iCXEtK5SBy3YN+fHIK4cUpbBqDU=; b=rFBBLjcz UX0i/YJta+zKowaqjI2QdigDk1Yj5mAK1+1xnmqPhEbjGnL5vJfU9HQZfaXMYM/5V8zKSFy7rHxGh 6sekN1NJFTie8U/RdWZM0A03B4V12v9TwxHSwwQAxStjRdGn2rhk2WPg2ao1zUkym20cXBg6e6y5f EoEVvP0zsm17ka9JOjCxa5RTbaQQK1kM3bt3bKnesz2Y/tstHEd2vPT/lVth8Bzycj2cF/lDi+bmj L4KUK1V3u2bOJAeAdvXeGeKcWKIymNE/d1j1pq29fQ7j5PgcO+KBUxFAAXGELhEppNfKjFKq900K1 mwuUOt9s/lGH+t+RhPZpFQ3U7w==; From: rpatagar@akamai.com To: ffmpeg-devel@ffmpeg.org Date: Wed, 7 Mar 2018 14:37:04 +0530 Message-Id: <1520413624-12394-1-git-send-email-rpatagar@akamai.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1520411535-7516-1-git-send-email-rpatagar@akamai.com> References: <1520411535-7516-1-git-send-email-rpatagar@akamai.com> X-Smtpcorp-Track: 1-tV2lDIIZpzKf.nAIB6OlLr Feedback-ID: 337386m:337386asVRLGB:337386s-U8gy5wQk:SMTPCORP X-Report-Abuse: Please forward a copy of this message, including all headers, to Subject: [FFmpeg-devel] [PATCH v2 1/1] avformat/http: fix for zero window size issue X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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: Ravindra MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Ravindra When http persistent conenction is enabled for streaming, TCP window size reduces consistently and reaches zero --- libavformat/http.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/libavformat/http.c b/libavformat/http.c index 344fd60..a93fa54 100644 --- a/libavformat/http.c +++ b/libavformat/http.c @@ -1611,6 +1611,18 @@ static int http_write(URLContext *h, const uint8_t *buf, int size) return size; } +static int http_read_response(URLContext *h) { + HTTPContext *s = h->priv_data; + char buf[1024]; + int ret; + + /* dummy read in nonblocking mode to clear the receive buffer */ + s->hd->flags |= AVIO_FLAG_NONBLOCK; + ret = ffurl_read(s->hd, buf, sizeof(buf)); + s->hd->flags &= ~AVIO_FLAG_NONBLOCK; + return ret; +} + static int http_shutdown(URLContext *h, int flags) { int ret = 0; @@ -1622,6 +1634,7 @@ static int http_shutdown(URLContext *h, int flags) ((flags & AVIO_FLAG_READ) && s->chunked_post && s->listen)) { ret = ffurl_write(s->hd, footer, sizeof(footer) - 1); ret = ret > 0 ? 0 : ret; + http_read_response(h); s->end_chunked_post = 1; }