Patch Detail
Show a patch.
GET /api/1.1/patches/13695/?format=api
{ "id": 13695, "url": "https://patchwork.libcamera.org/api/1.1/patches/13695/?format=api", "web_url": "https://patchwork.libcamera.org/patch/13695/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/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": "<20210906225636.14683-29-laurent.pinchart@ideasonboard.com>", "date": "2021-09-06T22:56:35", "name": "[libcamera-devel,v3,29/30] qcam: viewfinder_qt: Support multi-planar buffers", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "775487a5e7305f5d2ddde2d290548b1a8b959512", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/13695/mbox/", "series": [ { "id": 2482, "url": "https://patchwork.libcamera.org/api/1.1/series/2482/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2482", "date": "2021-09-06T22:54:20", "name": "libcamera: Handle fallout of FrameBuffer offset support", "version": 3, "mbox": "https://patchwork.libcamera.org/series/2482/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/13695/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/13695/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 DFC03BE175\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 6 Sep 2021 22:57:51 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 9041A69183;\n\tTue, 7 Sep 2021 00:57:51 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8AE416918F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 7 Sep 2021 00:57:10 +0200 (CEST)", "from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 1F1D3891;\n\tTue, 7 Sep 2021 00:57:10 +0200 (CEST)" ], "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=\"X5r24nes\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1630969030;\n\tbh=n1xRmqPZP79JZhVkH8ut6hJd9fcaLnQmjUZPiPaLC0k=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=X5r24nesUBJW5oeDP6feW0FjNFU7b6GsvipmMR2uw+V/1hiGhmW/8rJ32YUzusGOB\n\tCP3QsgO7x5drFk7QEZErIldZ1sNcqFRhGxHUbUL2QEZFH6HvWUB6L7Dz0oeQOdba9k\n\tF9WdV7FGcGhMnQ2/tIqhnMfk2rs2h14Nuu2cAKbE=", "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 7 Sep 2021 01:56:35 +0300", "Message-Id": "<20210906225636.14683-29-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.32.0", "In-Reply-To": "<20210906225420.13275-1-laurent.pinchart@ideasonboard.com>", "References": "<20210906225420.13275-1-laurent.pinchart@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v3 29/30] qcam: viewfinder_qt: Support\n\tmulti-planar buffers", "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": "Now that the ViewFinderQt receives an Image, move the Converter API to\ntake an Image as well, and enable multi-planar buffer support.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>\n---\n src/qcam/format_converter.cpp | 18 +++++++++++-------\n src/qcam/format_converter.h | 9 +++++----\n src/qcam/viewfinder_qt.cpp | 14 +++++---------\n 3 files changed, 21 insertions(+), 20 deletions(-)", "diff": "diff --git a/src/qcam/format_converter.cpp b/src/qcam/format_converter.cpp\nindex 973966f6afc1..673ad33e141d 100644\n--- a/src/qcam/format_converter.cpp\n+++ b/src/qcam/format_converter.cpp\n@@ -13,6 +13,8 @@\n \n #include <libcamera/formats.h>\n \n+#include \"../cam/image.h\"\n+\n #define RGBSHIFT\t\t8\n #ifndef MAX\n #define MAX(a,b)\t\t((a)>(b)?(a):(b))\n@@ -154,12 +156,11 @@ int FormatConverter::configure(const libcamera::PixelFormat &format,\n \treturn 0;\n }\n \n-void FormatConverter::convert(const unsigned char *src, size_t size,\n-\t\t\t QImage *dst)\n+void FormatConverter::convert(const Image *src, size_t size, QImage *dst)\n {\n \tswitch (formatFamily_) {\n \tcase MJPEG:\n-\t\tdst->loadFromData(src, size, \"JPEG\");\n+\t\tdst->loadFromData(src->data(0).data(), size, \"JPEG\");\n \t\tbreak;\n \tcase YUV:\n \t\tconvertYUV(src, dst->bits());\n@@ -183,13 +184,14 @@ static void yuv_to_rgb(int y, int u, int v, int *r, int *g, int *b)\n \t*b = CLIP(( 298 * c + 516 * d + 128) >> RGBSHIFT);\n }\n \n-void FormatConverter::convertNV(const unsigned char *src, unsigned char *dst)\n+void FormatConverter::convertNV(const Image *srcImage, unsigned char *dst)\n {\n \tunsigned int c_stride = width_ * (2 / horzSubSample_);\n \tunsigned int c_inc = horzSubSample_ == 1 ? 2 : 0;\n \tunsigned int cb_pos = nvSwap_ ? 1 : 0;\n \tunsigned int cr_pos = nvSwap_ ? 0 : 1;\n-\tconst unsigned char *src_c = src + width_ * height_;\n+\tconst unsigned char *src = srcImage->data(0).data();\n+\tconst unsigned char *src_c = srcImage->data(1).data();\n \tint r, g, b;\n \n \tfor (unsigned int y = 0; y < height_; y++) {\n@@ -223,8 +225,9 @@ void FormatConverter::convertNV(const unsigned char *src, unsigned char *dst)\n \t}\n }\n \n-void FormatConverter::convertRGB(const unsigned char *src, unsigned char *dst)\n+void FormatConverter::convertRGB(const Image *srcImage, unsigned char *dst)\n {\n+\tconst unsigned char *src = srcImage->data(0).data();\n \tunsigned int x, y;\n \tint r, g, b;\n \n@@ -245,8 +248,9 @@ void FormatConverter::convertRGB(const unsigned char *src, unsigned char *dst)\n \t}\n }\n \n-void FormatConverter::convertYUV(const unsigned char *src, unsigned char *dst)\n+void FormatConverter::convertYUV(const Image *srcImage, unsigned char *dst)\n {\n+\tconst unsigned char *src = srcImage->data(0).data();\n \tunsigned int src_x, src_y, dst_x, dst_y;\n \tunsigned int src_stride;\n \tunsigned int dst_stride;\ndiff --git a/src/qcam/format_converter.h b/src/qcam/format_converter.h\nindex e389b24a69f7..2220a62b5f11 100644\n--- a/src/qcam/format_converter.h\n+++ b/src/qcam/format_converter.h\n@@ -13,6 +13,7 @@\n \n #include <libcamera/pixel_format.h>\n \n+class Image;\n class QImage;\n \n class FormatConverter\n@@ -20,7 +21,7 @@ class FormatConverter\n public:\n \tint configure(const libcamera::PixelFormat &format, const QSize &size);\n \n-\tvoid convert(const unsigned char *src, size_t size, QImage *dst);\n+\tvoid convert(const Image *src, size_t size, QImage *dst);\n \n private:\n \tenum FormatFamily {\n@@ -30,9 +31,9 @@ private:\n \t\tYUV,\n \t};\n \n-\tvoid convertNV(const unsigned char *src, unsigned char *dst);\n-\tvoid convertRGB(const unsigned char *src, unsigned char *dst);\n-\tvoid convertYUV(const unsigned char *src, unsigned char *dst);\n+\tvoid convertNV(const Image *src, unsigned char *dst);\n+\tvoid convertRGB(const Image *src, unsigned char *dst);\n+\tvoid convertYUV(const Image *src, unsigned char *dst);\n \n \tlibcamera::PixelFormat format_;\n \tunsigned int width_;\ndiff --git a/src/qcam/viewfinder_qt.cpp b/src/qcam/viewfinder_qt.cpp\nindex fef6d53eef5e..0d357d860014 100644\n--- a/src/qcam/viewfinder_qt.cpp\n+++ b/src/qcam/viewfinder_qt.cpp\n@@ -7,6 +7,7 @@\n \n #include \"viewfinder_qt.h\"\n \n+#include <assert.h>\n #include <stdint.h>\n #include <utility>\n \n@@ -81,12 +82,6 @@ int ViewFinderQt::setFormat(const libcamera::PixelFormat &format,\n \n void ViewFinderQt::render(libcamera::FrameBuffer *buffer, Image *image)\n {\n-\tif (buffer->planes().size() != 1) {\n-\t\tqWarning() << \"Multi-planar buffers are not supported\";\n-\t\treturn;\n-\t}\n-\n-\tunsigned char *memory = image->data(0).data();\n \tsize_t size = buffer->metadata().planes()[0].bytesused;\n \n \t{\n@@ -103,8 +98,9 @@ void ViewFinderQt::render(libcamera::FrameBuffer *buffer, Image *image)\n \t\t\t * \\todo Get the stride from the buffer instead of\n \t\t\t * computing it naively\n \t\t\t */\n-\t\t\timage_ = QImage(memory, size_.width(), size_.height(),\n-\t\t\t\t\tsize / size_.height(),\n+\t\t\tassert(buffer->planes().size() == 1);\n+\t\t\timage_ = QImage(image->data(0).data(), size_.width(),\n+\t\t\t\t\tsize_.height(), size / size_.height(),\n \t\t\t\t\t::nativeFormats[format_]);\n \t\t\tstd::swap(buffer, buffer_);\n \t\t} else {\n@@ -112,7 +108,7 @@ void ViewFinderQt::render(libcamera::FrameBuffer *buffer, Image *image)\n \t\t\t * Otherwise, convert the format and release the frame\n \t\t\t * buffer immediately.\n \t\t\t */\n-\t\t\tconverter_.convert(memory, size, &image_);\n+\t\t\tconverter_.convert(image, size, &image_);\n \t\t}\n \t}\n \n", "prefixes": [ "libcamera-devel", "v3", "29/30" ] }