{"id":3976,"url":"https://patchwork.libcamera.org/api/patches/3976/?format=json","web_url":"https://patchwork.libcamera.org/patch/3976/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/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":"<20200607105213.GA7876@kaaira-HP-Pavilion-Notebook>","date":"2020-06-07T10:52:13","name":"[libcamera-devel,v4] libcamera: v4l2subdev: Print mbus string instead of code","commit_ref":"34540a6f033913b565082293bffa7c6979aff3fd","pull_url":null,"state":"accepted","archived":false,"hash":"534f7689e79070a6da776b9665406c4a5ac918e1","submitter":{"id":39,"url":"https://patchwork.libcamera.org/api/people/39/?format=json","name":"Kaaira Gupta","email":"kgupta@es.iitr.ac.in"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/3976/mbox/","series":[{"id":966,"url":"https://patchwork.libcamera.org/api/series/966/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=966","date":"2020-06-07T10:52:13","name":"[libcamera-devel,v4] libcamera: v4l2subdev: Print mbus string instead of code","version":4,"mbox":"https://patchwork.libcamera.org/series/966/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/3976/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/3976/checks/","tags":{},"headers":{"Return-Path":"<kgupta@es.iitr.ac.in>","Received":["from mail-pl1-x632.google.com (mail-pl1-x632.google.com\n\t[IPv6:2607:f8b0:4864:20::632])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id BBC2B600F7\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun,  7 Jun 2020 12:52:22 +0200 (CEST)","by mail-pl1-x632.google.com with SMTP id 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<kgupta@es.iitr.ac.in>","To":"kieran.bingham@ideasonboard.com, libcamera-devel@lists.libcamera.org","Message-ID":"<20200607105213.GA7876@kaaira-HP-Pavilion-Notebook>","MIME-Version":"1.0","Content-Type":"text/plain; charset=us-ascii","Content-Disposition":"inline","User-Agent":"Mutt/1.9.4 (2018-02-28)","Subject":"[libcamera-devel] [PATCH v4] libcamera: v4l2subdev: Print mbus\n\tstring instead of code","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":"Sun, 07 Jun 2020 10:52:24 -0000"},"content":"Modify toString() to print mbus format name instead of its hex code as\nthe name is easier to understand.\n\nSigned-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nAcked-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n\nChanges since v3:\n\tRenamed the variables.\n\nChanges since V2:\n        Re-formatted the code.\n\nChanges since v1:\n        Add check for unsupported format.\n        Rename struct\n\n src/libcamera/v4l2_subdevice.cpp | 178 +++++++++++++++++--------------\n 1 file changed, 99 insertions(+), 79 deletions(-)","diff":"diff --git a/src/libcamera/v4l2_subdevice.cpp b/src/libcamera/v4l2_subdevice.cpp\nindex 7aefc1b..32c6c7a 100644\n--- a/src/libcamera/v4l2_subdevice.cpp\n+++ b/src/libcamera/v4l2_subdevice.cpp\n@@ -35,84 +35,96 @@ LOG_DECLARE_CATEGORY(V4L2)\n \n namespace {\n \n+/*\n+ * \\struct V4L2SubdeviceFormatInfo\n+ * \\brief Information about media bus formats\n+ * \\param bitsPerPixel Bits per pixel\n+ * \\param name Name of MBUS format\n+ */\n+struct V4L2SubdeviceFormatInfo {\n+\tunsigned int bitsPerPixel;\n+\tconst char *name;\n+};\n+\n /*\n  * \\var formatInfoMap\n- * \\brief A map that associates bits per pixel to V4L2 media bus codes\n+ * \\brief A map that associates V4L2SubdeviceFormatInfo struct to V4L2 media\n+ * bus codes\n  */\n-const std::map<uint32_t, unsigned int> formatInfoMap = {\n-\t{ V4L2_MBUS_FMT_RGB444_2X8_PADHI_BE, 16 },\n-\t{ V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE, 16 },\n-\t{ V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE, 16 },\n-\t{ V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, 16 },\n-\t{ V4L2_MBUS_FMT_BGR565_2X8_BE, 16 },\n-\t{ V4L2_MBUS_FMT_BGR565_2X8_LE, 16 },\n-\t{ V4L2_MBUS_FMT_RGB565_2X8_BE, 16 },\n-\t{ V4L2_MBUS_FMT_RGB565_2X8_LE, 16 },\n-\t{ V4L2_MBUS_FMT_RGB666_1X18, 18 },\n-\t{ V4L2_MBUS_FMT_RGB888_1X24, 24 },\n-\t{ V4L2_MBUS_FMT_RGB888_2X12_BE, 24 },\n-\t{ V4L2_MBUS_FMT_RGB888_2X12_LE, 24 },\n-\t{ V4L2_MBUS_FMT_ARGB8888_1X32, 32 },\n-\t{ V4L2_MBUS_FMT_Y8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_UV8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_UYVY8_1_5X8, 12 },\n-\t{ V4L2_MBUS_FMT_VYUY8_1_5X8, 12 },\n-\t{ V4L2_MBUS_FMT_YUYV8_1_5X8, 12 },\n-\t{ V4L2_MBUS_FMT_YVYU8_1_5X8, 12 },\n-\t{ V4L2_MBUS_FMT_UYVY8_2X8, 16 },\n-\t{ V4L2_MBUS_FMT_VYUY8_2X8, 16 },\n-\t{ V4L2_MBUS_FMT_YUYV8_2X8, 16 },\n-\t{ V4L2_MBUS_FMT_YVYU8_2X8, 16 },\n-\t{ V4L2_MBUS_FMT_Y10_1X10, 10 },\n-\t{ V4L2_MBUS_FMT_UYVY10_2X10, 20 },\n-\t{ V4L2_MBUS_FMT_VYUY10_2X10, 20 },\n-\t{ V4L2_MBUS_FMT_YUYV10_2X10, 20 },\n-\t{ V4L2_MBUS_FMT_YVYU10_2X10, 20 },\n-\t{ V4L2_MBUS_FMT_Y12_1X12, 12 },\n-\t{ V4L2_MBUS_FMT_UYVY8_1X16, 16 },\n-\t{ V4L2_MBUS_FMT_VYUY8_1X16, 16 },\n-\t{ V4L2_MBUS_FMT_YUYV8_1X16, 16 },\n-\t{ V4L2_MBUS_FMT_YVYU8_1X16, 16 },\n-\t{ V4L2_MBUS_FMT_YDYUYDYV8_1X16, 16 },\n-\t{ V4L2_MBUS_FMT_UYVY10_1X20, 20 },\n-\t{ V4L2_MBUS_FMT_VYUY10_1X20, 20 },\n-\t{ V4L2_MBUS_FMT_YUYV10_1X20, 20 },\n-\t{ V4L2_MBUS_FMT_YVYU10_1X20, 20 },\n-\t{ V4L2_MBUS_FMT_YUV10_1X30, 30 },\n-\t{ V4L2_MBUS_FMT_AYUV8_1X32, 32 },\n-\t{ V4L2_MBUS_FMT_UYVY12_2X12, 24 },\n-\t{ V4L2_MBUS_FMT_VYUY12_2X12, 24 },\n-\t{ V4L2_MBUS_FMT_YUYV12_2X12, 24 },\n-\t{ V4L2_MBUS_FMT_YVYU12_2X12, 24 },\n-\t{ V4L2_MBUS_FMT_UYVY12_1X24, 24 },\n-\t{ V4L2_MBUS_FMT_VYUY12_1X24, 24 },\n-\t{ V4L2_MBUS_FMT_YUYV12_1X24, 24 },\n-\t{ V4L2_MBUS_FMT_YVYU12_1X24, 24 },\n-\t{ V4L2_MBUS_FMT_SBGGR8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SGBRG8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SGRBG8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SRGGB8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SBGGR10_ALAW8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SGBRG10_ALAW8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SGRBG10_ALAW8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SRGGB10_ALAW8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8, 8 },\n-\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE, 16 },\n-\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, 16 },\n-\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE, 16 },\n-\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE, 16 },\n-\t{ V4L2_MBUS_FMT_SBGGR10_1X10, 10 },\n-\t{ V4L2_MBUS_FMT_SGBRG10_1X10, 10 },\n-\t{ V4L2_MBUS_FMT_SGRBG10_1X10, 10 },\n-\t{ V4L2_MBUS_FMT_SRGGB10_1X10, 10 },\n-\t{ V4L2_MBUS_FMT_SBGGR12_1X12, 12 },\n-\t{ V4L2_MBUS_FMT_SGBRG12_1X12, 12 },\n-\t{ V4L2_MBUS_FMT_SGRBG12_1X12, 12 },\n-\t{ V4L2_MBUS_FMT_SRGGB12_1X12, 12 },\n-\t{ V4L2_MBUS_FMT_AHSV8888_1X32, 32 },\n+const std::map<uint32_t, V4L2SubdeviceFormatInfo> formatInfoMap = {\n+\t{ V4L2_MBUS_FMT_RGB444_2X8_PADHI_BE, { 16, \"RGB444_2X8_PADHI_BE\" } },\n+\t{ V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE, { 16, \"RGB444_2X8_PADHI_LE\" } },\n+\t{ V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE, { 16, \"RGB555_2X8_PADHI_BE\" } },\n+\t{ V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, { 16, \"RGB555_2X8_PADHI_LE\" } },\n+\t{ V4L2_MBUS_FMT_BGR565_2X8_BE, { 16, \"BGR565_2X8_BE\" } },\n+\t{ V4L2_MBUS_FMT_BGR565_2X8_LE, { 16, \"BGR565_2X8_LE\" } },\n+\t{ V4L2_MBUS_FMT_RGB565_2X8_BE, { 16, \"RGB565_2X8_BE\" } },\n+\t{ V4L2_MBUS_FMT_RGB565_2X8_LE, { 16, \"RGB565_2X8_LE\" } },\n+\t{ V4L2_MBUS_FMT_RGB666_1X18, { 18, \"RGB666_1X18\" } },\n+\t{ V4L2_MBUS_FMT_RGB888_1X24, { 24, \"RGB888_1X24\" } },\n+\t{ V4L2_MBUS_FMT_RGB888_2X12_BE, { 24, \"RGB888_2X12_BE\" } },\n+\t{ V4L2_MBUS_FMT_RGB888_2X12_LE, { 24, \"RGB888_2X12_LE\" } },\n+\t{ V4L2_MBUS_FMT_ARGB8888_1X32, { 32, \"ARGB8888_1X32\" } },\n+\t{ V4L2_MBUS_FMT_Y8_1X8, { 8, \"Y8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_UV8_1X8, { 8, \"UV8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_UYVY8_1_5X8, { 12, \"UYVY8_1_5X8\" } },\n+\t{ V4L2_MBUS_FMT_VYUY8_1_5X8, { 12, \"VYUY8_1_5X8\" } },\n+\t{ V4L2_MBUS_FMT_YUYV8_1_5X8, { 12, \"YUYV8_1_5X8\" } },\n+\t{ V4L2_MBUS_FMT_YVYU8_1_5X8, { 12, \"YVYU8_1_5X8\" } },\n+\t{ V4L2_MBUS_FMT_UYVY8_2X8, { 16, \"UYVY8_2X8\" } },\n+\t{ V4L2_MBUS_FMT_VYUY8_2X8, { 16, \"VYUY8_2X8\" } },\n+\t{ V4L2_MBUS_FMT_YUYV8_2X8, { 16, \"YUYV8_2X8\" } },\n+\t{ V4L2_MBUS_FMT_YVYU8_2X8, { 16, \"YVYU8_2X8\" } },\n+\t{ V4L2_MBUS_FMT_Y10_1X10, { 10, \"Y10_1X10\" } },\n+\t{ V4L2_MBUS_FMT_UYVY10_2X10, { 20, \"UYVY10_2X10\" } },\n+\t{ V4L2_MBUS_FMT_VYUY10_2X10, { 20, \"VYUY10_2X10\" } },\n+\t{ V4L2_MBUS_FMT_YUYV10_2X10, { 20, \"YUYV10_2X10\" } },\n+\t{ V4L2_MBUS_FMT_YVYU10_2X10, { 20, \"YVYU10_2X10\" } },\n+\t{ V4L2_MBUS_FMT_Y12_1X12, { 12, \"Y12_1X12\" } },\n+\t{ V4L2_MBUS_FMT_UYVY8_1X16, { 16, \"UYVY8_1X16\" } },\n+\t{ V4L2_MBUS_FMT_VYUY8_1X16, { 16, \"VYUY8_1X16\" } },\n+\t{ V4L2_MBUS_FMT_YUYV8_1X16, { 16, \"YUYV8_1X16\" } },\n+\t{ V4L2_MBUS_FMT_YVYU8_1X16, { 16, \"YVYU8_1X16\" } },\n+\t{ V4L2_MBUS_FMT_YDYUYDYV8_1X16, { 16, \"YDYUYDYV8_1X16\" } },\n+\t{ V4L2_MBUS_FMT_UYVY10_1X20, { 20, \"UYVY10_1X20\" } },\n+\t{ V4L2_MBUS_FMT_VYUY10_1X20, { 20, \"VYUY10_1X20\" } },\n+\t{ V4L2_MBUS_FMT_YUYV10_1X20, { 20, \"YUYV10_1X20\" } },\n+\t{ V4L2_MBUS_FMT_YVYU10_1X20, { 20, \"YVYU10_1X20\" } },\n+\t{ V4L2_MBUS_FMT_YUV10_1X30, { 30, \"YUV10_1X30\" } },\n+\t{ V4L2_MBUS_FMT_AYUV8_1X32, { 32, \"AYUV8_1X32\" } },\n+\t{ V4L2_MBUS_FMT_UYVY12_2X12, { 24, \"UYVY12_2X12\" } },\n+\t{ V4L2_MBUS_FMT_VYUY12_2X12, { 24, \"VYUY12_2X12\" } },\n+\t{ V4L2_MBUS_FMT_YUYV12_2X12, { 24, \"YUYV12_2X12\" } },\n+\t{ V4L2_MBUS_FMT_YVYU12_2X12, { 24, \"YVYU12_2X12\" } },\n+\t{ V4L2_MBUS_FMT_UYVY12_1X24, { 24, \"UYVY12_1X24\" } },\n+\t{ V4L2_MBUS_FMT_VYUY12_1X24, { 24, \"VYUY12_1X24\" } },\n+\t{ V4L2_MBUS_FMT_YUYV12_1X24, { 24, \"YUYV12_1X24\" } },\n+\t{ V4L2_MBUS_FMT_YVYU12_1X24, { 24, \"YVYU12_1X24\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR8_1X8, { 8, \"SBGGR8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SGBRG8_1X8, { 8, \"SGBRG8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SGRBG8_1X8, { 8, \"SGRBG8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SRGGB8_1X8, { 8, \"SRGGB8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR10_ALAW8_1X8, { 8, \"SBGGR10_ALAW8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SGBRG10_ALAW8_1X8, { 8, \"SGBRG10_ALAW8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SGRBG10_ALAW8_1X8, { 8, \"SGRBG10_ALAW8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SRGGB10_ALAW8_1X8, { 8, \"SRGGB10_ALAW8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8, { 8, \"SBGGR10_DPCM8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8, { 8, \"SGBRG10_DPCM8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, { 8, \"SGRBG10_DPCM8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8, { 8, \"SRGGB10_DPCM8_1X8\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE, { 16, \"SBGGR10_2X8_PADHI_BE\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, { 16, \"SBGGR10_2X8_PADHI_LE\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE, { 16, \"SBGGR10_2X8_PADLO_BE\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE, { 16, \"SBGGR10_2X8_PADLO_LE\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR10_1X10, { 10, \"SBGGR10_1X10\" } },\n+\t{ V4L2_MBUS_FMT_SGBRG10_1X10, { 10, \"SGBRG10_1X10\" } },\n+\t{ V4L2_MBUS_FMT_SGRBG10_1X10, { 10, \"SGRBG10_1X10\" } },\n+\t{ V4L2_MBUS_FMT_SRGGB10_1X10, { 10, \"SRGGB10_1X10\" } },\n+\t{ V4L2_MBUS_FMT_SBGGR12_1X12, { 12, \"SBGGR12_1X12\" } },\n+\t{ V4L2_MBUS_FMT_SGBRG12_1X12, { 12, \"SGBRG12_1X12\" } },\n+\t{ V4L2_MBUS_FMT_SGRBG12_1X12, { 12, \"SGRBG12_1X12\" } },\n+\t{ V4L2_MBUS_FMT_SRGGB12_1X12, { 12, \"SRGGB12_1X12\" } },\n+\t{ V4L2_MBUS_FMT_AHSV8888_1X32, { 32, \"AHSV8888_1X32\" } },\n };\n \n } /* namespace */\n@@ -161,9 +173,17 @@ const std::map<uint32_t, unsigned int> formatInfoMap = {\n  */\n const std::string V4L2SubdeviceFormat::toString() const\n {\n-\tstd::stringstream ss;\n-\tss << size.toString() << \"-\" << utils::hex(mbus_code, 4);\n-\treturn ss.str();\n+\tstd::stringstream mbus;\n+\tmbus << size.toString() << \"-\";\n+\n+\tconst auto it = formatInfoMap.find(mbus_code);\n+\n+\tif (it == formatInfoMap.end())\n+\t\tmbus << utils::hex(mbus_code, 4);\n+\telse\n+\t\tmbus << it->second.name;\n+\n+\treturn mbus.str();\n }\n \n /**\n@@ -180,7 +200,7 @@ uint8_t V4L2SubdeviceFormat::bitsPerPixel() const\n \t\treturn 0;\n \t}\n \n-\treturn it->second;\n+\treturn it->second.bitsPerPixel;\n }\n \n /**\n","prefixes":["libcamera-devel","v4"]}