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{
    "id": 16622,
    "url": "https://patchwork.libcamera.org/api/patches/16622/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/16622/",
    "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": "<20220713121534.115492-1-umang.jain@ideasonboard.com>",
    "date": "2022-07-13T12:15:34",
    "name": "[libcamera-devel,v3] utils: ipu3-pack: Provide a 10-bit bayer packing utility",
    "commit_ref": "9eb8211160de2e0a879cc5e0b38f50137df989ce",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "3e7e1eb2a5a490c1d72293b8bef58efef80f4a18",
    "submitter": {
        "id": 86,
        "url": "https://patchwork.libcamera.org/api/people/86/?format=api",
        "name": "Umang Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/16622/mbox/",
    "series": [
        {
            "id": 3281,
            "url": "https://patchwork.libcamera.org/api/series/3281/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3281",
            "date": "2022-07-13T12:15:34",
            "name": "[libcamera-devel,v3] utils: ipu3-pack: Provide a 10-bit bayer packing utility",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/3281/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/16622/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/16622/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 0ED44BE173\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 13 Jul 2022 12:15:49 +0000 (UTC)",
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        ],
        "DKIM-Signature": [
            "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1657714548;\n\tbh=GO3Krw5uwjFk7YwRH/hdssrCPN8DqXa+6iftBKPwzt0=;\n\th=To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post:\n\tList-Help:List-Subscribe:From:Reply-To:From;\n\tb=HD0V6ckZEyHrpbguRVEHKAn7xZJFL0Uc61ezJqs6MTvkufbfPVaffJluKeZ6zy8Oi\n\tIjT+YFrp+hRBrpMonbDIImLwUFd5tBDv5SDks+ZNXD39JrJrNu3lzZdzl06nLDB6kf\n\tYTwzEIR5FbLokDZtTunfeDvXrDriU3zFoEeEnqgyU3QBTvKoj9y7JXELqf0hA+uK4p\n\tiYyFDpWfOIaOY48YvuY1fmrJAjqN0uWFCnmiU5efI8hsAE43QlUVB8bLhcCvmVu8Pp\n\twH2yjp0Rt2dj0qstaIrO1RhOQZ9E+X1PhRDnQkaK7lhKLuZPS66cBTCFvadHb/ggTq\n\tch42KvS7a0GSw==",
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        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"UjdtbxA6\"; dkim-atps=neutral",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Wed, 13 Jul 2022 17:45:34 +0530",
        "Message-Id": "<20220713121534.115492-1-umang.jain@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v3] utils: ipu3-pack: Provide a 10-bit\n\tbayer packing utility",
        "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>",
        "From": "Umang Jain via libcamera-devel <libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Umang Jain <umang.jain@ideasonboard.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Provide a 10-bit bayer packing utility for the unpacked data produced\nby ipu3-unpack.\n\n\tUsage: ipu3-unpack input-file output-file\n\nThe output-file can be \"-\" to pack the data to stdout.\n\nThe output file generated by ipu3-pack can be directly fed to IMGU\nfor streaming.\n\nSigned-off-by: Umang Jain <umang.jain@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\nChanges in v3:\n- Drop fflush() as stdout is per process not global\n- Use sizeof () directly for bytes to read\n- consistency of goto\n---\n utils/ipu3/ipu3-pack.c | 101 +++++++++++++++++++++++++++++++++++++++++\n utils/ipu3/meson.build |   1 +\n 2 files changed, 102 insertions(+)\n create mode 100644 utils/ipu3/ipu3-pack.c",
    "diff": "diff --git a/utils/ipu3/ipu3-pack.c b/utils/ipu3/ipu3-pack.c\nnew file mode 100644\nindex 00000000..decbfc6c\n--- /dev/null\n+++ b/utils/ipu3/ipu3-pack.c\n@@ -0,0 +1,101 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ * ipu3-pack - Convert unpacked RAW10 Bayer data to the IPU3 packed Bayer formats\n+ *\n+ * Copyright 2022 Umang Jain <umang.jain@ideasonboard.com>\n+ */\n+#define _GNU_SOURCE\n+\n+#include <errno.h>\n+#include <fcntl.h>\n+#include <stdint.h>\n+#include <stdio.h>\n+#include <string.h>\n+#include <sys/stat.h>\n+#include <sys/types.h>\n+#include <unistd.h>\n+\n+static void usage(const char *argv0)\n+{\n+\n+\tprintf(\"Usage: %s input-file output-file\\n\", basename(argv0));\n+\tprintf(\"Convert unpacked RAW10 Bayer data to the IPU3 packed Bayer formats\\n\");\n+\tprintf(\"If the output-file '-', output data will be written to standard output\\n\");\n+}\n+\n+int main(int argc, char *argv[])\n+{\n+\tint in_fd;\n+\tint out_fd;\n+\tint ret;\n+\n+\tif (argc != 3) {\n+\t\tusage(argv[0]);\n+\t\treturn 1;\n+\t}\n+\n+\tin_fd = open(argv[1], O_RDONLY);\n+\tif (in_fd == -1) {\n+\t\tfprintf(stderr, \"Failed to open input file '%s': %s\\n\",\n+\t\t\targv[1], strerror(errno));\n+\t\treturn 1;\n+\t}\n+\n+\tif (strcmp(argv[2], \"-\") == 0) {\n+\t\tout_fd = STDOUT_FILENO;\n+\t} else {\n+\t\tout_fd = open(argv[2], O_WRONLY | O_TRUNC | O_CREAT, 0644);\n+\t\tif (out_fd == -1) {\n+\t\t\tfprintf(stderr, \"Failed to open output file '%s': %s\\n\",\n+\t\t\t\targv[2], strerror(errno));\n+\t\t\tclose(in_fd);\n+\t\t\treturn 1;\n+\t\t}\n+\t}\n+\n+\twhile (1) {\n+\t\tuint16_t in_data[25];\n+\t\tuint8_t out_data[32];\n+\t\tunsigned int i;\n+\n+\t\tret = read(in_fd, in_data, sizeof(in_data));\n+\t\tif (ret < 0) {\n+\t\t\tfprintf(stderr, \"Failed to read input data: %s\\n\",\n+\t\t\t\tstrerror(errno));\n+\t\t\tgoto done;\n+\t\t}\n+\n+\t\tif ((unsigned)ret < sizeof(in_data)) {\n+\t\t\tif (ret != 0)\n+\t\t\t\tfprintf(stderr, \"%u bytes of stray data at end of input\\n\",\n+\t\t\t\t\tret);\n+\t\t\tgoto done;\n+\t\t}\n+\n+\t\tfor (i = 0; i < 30; ++i) {\n+\t\t\tunsigned int index = (i * 8) / 10;\n+\t\t\tunsigned int msb_shift = (i * 8) % 10;\n+\t\t\tunsigned int lsb_shift = 10 - msb_shift;\n+\n+\t\t\tout_data[i] = ((in_data[index] >> msb_shift) & 0xff)\n+\t\t\t\t    | ((in_data[index+1] << lsb_shift) & 0xff);\n+\t\t}\n+\n+\t\tout_data[30] = (in_data[24] >> 0) & 0xff;\n+\t\tout_data[31] = (in_data[24] >> 8) & 0x03;\n+\n+\t\tret = write(out_fd, out_data, sizeof(out_data));\n+\t\tif (ret < 0) {\n+\t\t\tfprintf(stderr, \"Failed to write output data: %s\\n\",\n+\t\t\t\tstrerror(errno));\n+\t\t\tgoto done;\n+\t\t}\n+\t}\n+\n+done:\n+\tclose(in_fd);\n+\tif (out_fd != STDOUT_FILENO)\n+\t\tclose(out_fd);\n+\n+\treturn ret ? 1 : 0;\n+}\ndiff --git a/utils/ipu3/meson.build b/utils/ipu3/meson.build\nindex 88049f58..c92cc658 100644\n--- a/utils/ipu3/meson.build\n+++ b/utils/ipu3/meson.build\n@@ -1,3 +1,4 @@\n # SPDX-License-Identifier: CC0-1.0\n \n+ipu3_pack = executable('ipu3-pack', 'ipu3-pack.c')\n ipu3_unpack = executable('ipu3-unpack', 'ipu3-unpack.c')\n",
    "prefixes": [
        "libcamera-devel",
        "v3"
    ]
}