{"id":4056,"url":"https://patchwork.libcamera.org/api/1.1/patches/4056/?format=json","web_url":"https://patchwork.libcamera.org/patch/4056/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20200616131244.70308-13-paul.elder@ideasonboard.com>","date":"2020-06-16T13:12:41","name":"[libcamera-devel,12/15] v4l2: v4l2_camera_proxy: Add sequence number","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"459e01907066d8b0e8ef03f39421c9c1e167dcf9","submitter":{"id":17,"url":"https://patchwork.libcamera.org/api/1.1/people/17/?format=json","name":"Paul Elder","email":"paul.elder@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/4056/mbox/","series":[{"id":1006,"url":"https://patchwork.libcamera.org/api/1.1/series/1006/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1006","date":"2020-06-16T13:12:29","name":"Support v4l2-compliance","version":1,"mbox":"https://patchwork.libcamera.org/series/1006/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/4056/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/4056/checks/","tags":{},"headers":{"Return-Path":"<paul.elder@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1C43E61F24\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 16 Jun 2020 15:13:23 +0200 (CEST)","from jade.flets-east.jp (unknown\n\t[IPv6:2400:4051:61:600:2807:bdfa:f6a:8e53])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id A6854F9;\n\tTue, 16 Jun 2020 15:13:21 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"aMYA9Shz\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1592313202;\n\tbh=nJZWEniJHxfwcC9SzvRwPbm3r/26GoPB7tpGWPcRba4=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=aMYA9ShzUOwDCRYCud3DWMnf8hFgBiIf7gIIgCn+hTSO2zF4BchalVW2dFEm7mFeT\n\tQHMgKUxT/RMgbknrUiwoDMbjjpLkFK7w/BpAe9mE4V8uYfy2MOWgq+3yJuUxnsMlZY\n\twkub+1WGUQw94Lks6d1PfS617VA7jSBKrCIz51bQ=","From":"Paul Elder <paul.elder@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Date":"Tue, 16 Jun 2020 22:12:41 +0900","Message-Id":"<20200616131244.70308-13-paul.elder@ideasonboard.com>","X-Mailer":"git-send-email 2.27.0","In-Reply-To":"<20200616131244.70308-1-paul.elder@ideasonboard.com>","References":"<20200616131244.70308-1-paul.elder@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 12/15] v4l2: v4l2_camera_proxy: Add\n\tsequence number","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","X-List-Received-Date":"Tue, 16 Jun 2020 13:13:23 -0000"},"content":"Populate the sequence number field in the V4L2 buffers. Reset upon\nstreamon.\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\n---\n src/v4l2/v4l2_camera_proxy.cpp | 4 +++-\n src/v4l2/v4l2_camera_proxy.h   | 2 ++\n 2 files changed, 5 insertions(+), 1 deletion(-)","diff":"diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp\nindex 079961a..81f9282 100644\n--- a/src/v4l2/v4l2_camera_proxy.cpp\n+++ b/src/v4l2/v4l2_camera_proxy.cpp\n@@ -33,7 +33,7 @@ LOG_DECLARE_CATEGORY(V4L2Compat);\n V4L2CameraProxy::V4L2CameraProxy(unsigned int index,\n \t\t\t\t std::shared_ptr<Camera> camera)\n \t: refcount_(0), index_(index), bufferCount_(0), currentBuf_(0),\n-\t  vcam_(std::make_unique<V4L2Camera>(camera)), efd_(-1),\n+\t  sequence_(0), vcam_(std::make_unique<V4L2Camera>(camera)), efd_(-1),\n \t  v4l2RecordPriorityFd_(-1), acquiredFd_(-1), initialized_(false),\n \t  streaming_(false)\n {\n@@ -665,6 +665,7 @@ int V4L2CameraProxy::vidioc_dqbuf(int fd, struct v4l2_buffer *arg)\n \n \tbuf.flags &= ~V4L2_BUF_FLAG_QUEUED;\n \tbuf.length = sizeimage_;\n+\tbuf.sequence = sequence_++;\n \t*arg = buf;\n \n \tcurrentBuf_ = (currentBuf_ + 1) % bufferCount_;\n@@ -696,6 +697,7 @@ int V4L2CameraProxy::vidioc_streamon(int fd, int *arg)\n \n \tcurrentBuf_ = 0;\n \tstreaming_ = true;\n+\tsequence_ = 0;\n \n \treturn vcam_->streamOn();\n }\ndiff --git a/src/v4l2/v4l2_camera_proxy.h b/src/v4l2/v4l2_camera_proxy.h\nindex 28b2fa0..1d8e9a6 100644\n--- a/src/v4l2/v4l2_camera_proxy.h\n+++ b/src/v4l2/v4l2_camera_proxy.h\n@@ -82,6 +82,8 @@ private:\n \tunsigned int currentBuf_;\n \tunsigned int sizeimage_;\n \n+\tuint32_t sequence_;\n+\n \tstd::vector<struct v4l2_buffer> buffers_;\n \tstd::map<void *, unsigned int> mmaps_;\n \n","prefixes":["libcamera-devel","12/15"]}