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{ "id": 11532, "url": "https://patchwork.libcamera.org/api/patches/11532/?format=api", "web_url": "https://patchwork.libcamera.org/patch/11532/", "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": "<20210309085235.106691-2-paul.elder@ideasonboard.com>", "date": "2021-03-09T08:52:32", "name": "[libcamera-devel,v2,1/4] android: jpeg: exif: Fix and expand setRational", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "21c777a5011c824e7b534c92dac827302b5951d9", "submitter": { "id": 17, "url": "https://patchwork.libcamera.org/api/people/17/?format=api", "name": "Paul Elder", "email": "paul.elder@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/11532/mbox/", "series": [ { "id": 1776, "url": "https://patchwork.libcamera.org/api/series/1776/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1776", "date": "2021-03-09T08:52:31", "name": "android: jpeg: exif: Fix GPS altitude", "version": 2, "mbox": "https://patchwork.libcamera.org/series/1776/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/11532/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/11532/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 A1A7BBD1F1\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 9 Mar 2021 08:52:50 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4DDF968AA4;\n\tTue, 9 Mar 2021 09:52:50 +0100 (CET)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id ADC0D68A9C\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 9 Mar 2021 09:52:48 +0100 (CET)", "from pyrite.rasen.tech (unknown\n\t[IPv6:2400:4051:61:600:2c71:1b79:d06d:5032])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 52174E9;\n\tTue, 9 Mar 2021 09:52:46 +0100 (CET)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"YtXTgkCs\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1615279968;\n\tbh=wjkwOVoxdfkJ39hk4Ydbh+ClyuFqckZZ7/MZlKLT//c=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=YtXTgkCs8J9OP+DQyuG2ND/n8J/GFtMUPybw1bLzqs/VSCkdOqbBKDMz6xa4QH7qR\n\tki0J0q085fa7DrsggWzO/ySof71fNAHMTxv9CcJppaRg7tyNVF8UzynA51dAULgp7g\n\tiU8BfNCayMH8O9mXyVS/ARICtW56WttANIsjz+64=", "From": "Paul Elder <paul.elder@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 9 Mar 2021 17:52:32 +0900", "Message-Id": "<20210309085235.106691-2-paul.elder@ideasonboard.com>", "X-Mailer": "git-send-email 2.27.0", "In-Reply-To": "<20210309085235.106691-1-paul.elder@ideasonboard.com>", "References": "<20210309085235.106691-1-paul.elder@ideasonboard.com>", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [PATCH v2 1/4] android: jpeg: exif: Fix and\n\texpand setRational", "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>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "setRational was not working properly for EXIF tags in the GPS IFD due to\nlibexif not supporting those tags in exif_entry_initialize(). Manually\nspecify the size of the EXIF entry to fix this. While at it, add support\nfor setting multiple rationals, as that is a common use case for\nrational EXIF tags.\n\nAs Rational types are no longer initialized by libexif directly, the\nEXIF_TAG_{X,Y}_RESOLUTION exif tags will not have their default values\npopulated.\n\nThis allows the GPS altitude to be set properly, and is part of the fix\nto allow the following CTS test to pass:\n- android.hardware.cts.CameraTest#testJpegExif\n\nSigned-off-by: Paul Elder <paul.elder@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\n---\nChanges in v2:\n- use span instead of size + array\n- expand commit message\n---\n src/android/jpeg/exif.cpp | 15 +++++++++++++--\n src/android/jpeg/exif.h | 2 ++\n 2 files changed, 15 insertions(+), 2 deletions(-)", "diff": "diff --git a/src/android/jpeg/exif.cpp b/src/android/jpeg/exif.cpp\nindex fdd46070..929ac542 100644\n--- a/src/android/jpeg/exif.cpp\n+++ b/src/android/jpeg/exif.cpp\n@@ -14,6 +14,8 @@\n #include <tuple>\n #include <uchar.h>\n \n+#include <libcamera/span.h>\n+\n #include \"libcamera/internal/log.h\"\n #include \"libcamera/internal/utils.h\"\n \n@@ -187,11 +189,20 @@ void Exif::setLong(ExifIfd ifd, ExifTag tag, uint32_t item)\n \n void Exif::setRational(ExifIfd ifd, ExifTag tag, ExifRational item)\n {\n-\tExifEntry *entry = createEntry(ifd, tag);\n+\tsetRational(ifd, tag, Span<const ExifRational>{ &item, 1 });\n+}\n+\n+void Exif::setRational(ExifIfd ifd, ExifTag tag, Span<const ExifRational> items)\n+{\n+\tExifEntry *entry = createEntry(ifd, tag, EXIF_FORMAT_RATIONAL,\n+\t\t\t\t items.size(),\n+\t\t\t\t items.size() * sizeof(ExifRational));\n \tif (!entry)\n \t\treturn;\n \n-\texif_set_rational(entry->data, order_, item);\n+\tfor (size_t i = 0; i < items.size(); i++)\n+\t\texif_set_rational(entry->data + i * sizeof(ExifRational),\n+\t\t\t\t order_, items[i]);\n \texif_entry_unref(entry);\n }\n \ndiff --git a/src/android/jpeg/exif.h b/src/android/jpeg/exif.h\nindex b0d61402..8aa1b123 100644\n--- a/src/android/jpeg/exif.h\n+++ b/src/android/jpeg/exif.h\n@@ -89,6 +89,8 @@ private:\n \t\t const std::string &item,\n \t\t StringEncoding encoding = NoEncoding);\n \tvoid setRational(ExifIfd ifd, ExifTag tag, ExifRational item);\n+\tvoid setRational(ExifIfd ifd, ExifTag tag,\n+\t\t\t libcamera::Span<const ExifRational> items);\n \n \tstd::tuple<int, int, int> degreesToDMS(double decimalDegrees);\n \tvoid setGPSDMS(ExifIfd ifd, ExifTag tag, int deg, int min, int sec);\n", "prefixes": [ "libcamera-devel", "v2", "1/4" ] }