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{ "id": 20707, "url": "https://patchwork.libcamera.org/api/patches/20707/?format=api", "web_url": "https://patchwork.libcamera.org/patch/20707/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20240726095626.3632402-7-chenghaoyang@chromium.org>", "date": "2024-07-26T09:54:27", "name": "[v6,6/7] libcamera: pipeline: Shift test pattern by 1 pixel left every frame", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "959d8956d87b1e19e72ead1ee54c9773fa64c658", "submitter": { "id": 117, "url": "https://patchwork.libcamera.org/api/people/117/?format=api", "name": "Cheng-Hao Yang", "email": "chenghaoyang@chromium.org" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/20707/mbox/", "series": [ { "id": 4461, "url": "https://patchwork.libcamera.org/api/series/4461/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4461", "date": "2024-07-26T09:54:21", "name": "Add VirtualPipelineHandler", "version": 6, "mbox": "https://patchwork.libcamera.org/series/4461/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/20707/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/20707/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 582DEBDC71\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 26 Jul 2024 09:56:52 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id AF50A6337B;\n\tFri, 26 Jul 2024 11:56:51 +0200 (CEST)", "from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com\n\t[IPv6:2607:f8b0:4864:20::42c])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1B84A63371\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 26 Jul 2024 11:56:42 +0200 (CEST)", "by mail-pf1-x42c.google.com with SMTP id\n\td2e1a72fcca58-70d1c8d7d95so516130b3a.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 26 Jul 2024 02:56:42 -0700 (PDT)", "from chenghaoyang-low.c.googlers.com.com\n\t(148.175.199.104.bc.googleusercontent.com. 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\n\tFri, 26 Jul 2024 02:56:40 -0700 (PDT)", "From": "Harvey Yang <chenghaoyang@chromium.org>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Konami Shu <konamiz@google.com>, Harvey Yang <chenghaoyang@chromium.org>,\n\tYunke Cao <yunkec@chromium.org>, Tomasz Figa <tfiga@chromium.org>", "Subject": "[PATCH v6 6/7] libcamera: pipeline: Shift test pattern by 1 pixel\n\tleft every frame", "Date": "Fri, 26 Jul 2024 09:54:27 +0000", "Message-ID": "<20240726095626.3632402-7-chenghaoyang@chromium.org>", "X-Mailer": "git-send-email 2.46.0.rc1.232.g9752f9e123-goog", "In-Reply-To": "<20240726095626.3632402-1-chenghaoyang@chromium.org>", "References": "<20240726095626.3632402-1-chenghaoyang@chromium.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "From: Konami Shu <konamiz@google.com>\n\n- This write the buffer every frame\n- Shifting makes the frame rate dropped from about 160 to 40\n\nPatchset1->2\n- Use constant instead of using a magic number\n\nPatchset2->3\n- Make shiftLeft() private\n\nSigned-off-by: Konami Shu <konamiz@google.com>\nCo-developed-by: Harvey Yang <chenghaoyang@chromium.org>\nCo-developed-by: Yunke Cao <yunkec@chromium.org>\nCo-developed-by: Tomasz Figa <tfiga@chromium.org>\n\nChange-Id: Ief9c1e520a4ffb4cf7d47d0b37ad756be40330ea\n---\n .../pipeline/virtual/data/virtual.yaml | 4 +--\n .../virtual/test_pattern_generator.cpp | 36 +++++++++++++++++++\n 2 files changed, 38 insertions(+), 2 deletions(-)", "diff": "diff --git a/src/libcamera/pipeline/virtual/data/virtual.yaml b/src/libcamera/pipeline/virtual/data/virtual.yaml\nindex 4eb239e24..b8956f2d4 100644\n--- a/src/libcamera/pipeline/virtual/data/virtual.yaml\n+++ b/src/libcamera/pipeline/virtual/data/virtual.yaml\n@@ -28,8 +28,8 @@\n model: \"Virtual Video Device1\"\n \"Virtual2\":\n supported_formats:\n- - width: 100\n- height: 100\n+ - width: 400\n+ height: 300\n test_pattern: \"lines\"\n location: \"front\"\n model: \"Virtual Video Device2\"\ndiff --git a/src/libcamera/pipeline/virtual/test_pattern_generator.cpp b/src/libcamera/pipeline/virtual/test_pattern_generator.cpp\nindex b142b522c..d685a4903 100644\n--- a/src/libcamera/pipeline/virtual/test_pattern_generator.cpp\n+++ b/src/libcamera/pipeline/virtual/test_pattern_generator.cpp\n@@ -28,6 +28,9 @@ void TestPatternGenerator::generateFrame(\n \n \tauto planes = mappedFrameBuffer.planes();\n \n+\t/* TODO: select whether to do shifting or not */\n+\tshiftLeft(size);\n+\n \t/* Convert the template_ to the frame buffer */\n \tint ret = libyuv::ARGBToNV12(\n \t\ttemplate_.get(), /*src_stride_argb=*/size.width * kARGBSize,\n@@ -39,6 +42,39 @@ void TestPatternGenerator::generateFrame(\n \t}\n }\n \n+void TestPatternGenerator::shiftLeft(const Size &size)\n+{\n+\t/* Store the first column temporarily */\n+\tuint8_t firstColumn[size.height * kARGBSize];\n+\tfor (size_t h = 0; h < size.height; h++) {\n+\t\tunsigned int index = h * size.width * kARGBSize;\n+\t\tunsigned int index1 = h * kARGBSize;\n+\t\tfirstColumn[index1] = template_[index];\n+\t\tfirstColumn[index1 + 1] = template_[index + 1];\n+\t\tfirstColumn[index1 + 2] = template_[index + 2];\n+\t\tfirstColumn[index1 + 3] = 0x00;\n+\t}\n+\n+\t/* Overwrite template_ */\n+\tuint8_t *buf = template_.get();\n+\tfor (size_t h = 0; h < size.height; h++) {\n+\t\tfor (size_t w = 0; w < size.width - 1; w++) {\n+\t\t\t/* Overwrite with the pixel on the right */\n+\t\t\tunsigned int index = (h * size.width + w + 1) * kARGBSize;\n+\t\t\t*buf++ = template_[index]; // B\n+\t\t\t*buf++ = template_[index + 1]; // G\n+\t\t\t*buf++ = template_[index + 2]; // R\n+\t\t\t*buf++ = 0x00; // A\n+\t\t}\n+\t\t/* Overwrite the new last column with the original first column */\n+\t\tunsigned int index1 = h * kARGBSize;\n+\t\t*buf++ = firstColumn[index1]; // B\n+\t\t*buf++ = firstColumn[index1 + 1]; // G\n+\t\t*buf++ = firstColumn[index1 + 2]; // R\n+\t\t*buf++ = 0x00; // A\n+\t}\n+}\n+\n std::unique_ptr<ColorBarsGenerator> ColorBarsGenerator::create()\n {\n \treturn std::make_unique<ColorBarsGenerator>();\n", "prefixes": [ "v6", "6/7" ] }