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{ "id": 9544, "url": "https://patchwork.libcamera.org/api/1.1/patches/9544/?format=api", "web_url": "https://patchwork.libcamera.org/patch/9544/", "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": "<20200908150739.1552-2-andrey.konovalov@linaro.org>", "date": "2020-09-08T15:07:38", "name": "[libcamera-devel,RFC,v2,1/2] qcam: format_converter: put parameters of different formats into union", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "c50ebfdc4c6532461198ed00987619c9871e0910", "submitter": { "id": 25, "url": "https://patchwork.libcamera.org/api/1.1/people/25/?format=api", "name": "Andrey Konovalov", "email": "andrey.konovalov@linaro.org" }, "delegate": { "id": 14, "url": "https://patchwork.libcamera.org/api/1.1/users/14/?format=api", "username": "pinchartl", "first_name": "Laurent", "last_name": "Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "mbox": "https://patchwork.libcamera.org/patch/9544/mbox/", "series": [ { "id": 1275, "url": "https://patchwork.libcamera.org/api/1.1/series/1275/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1275", "date": "2020-09-08T15:07:37", "name": "qcam: format_converter: add 10 and 12 bit packed raw Bayer formats", "version": 2, "mbox": "https://patchwork.libcamera.org/series/1275/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/9544/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/9544/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 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cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 08 Sep 2020 08:08:08 -0700 (PDT)" ], "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=linaro.org header.i=@linaro.org\n\theader.b=\"KRbd+D+x\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=jtE0KsyuA8WbherHcyBIpGQCxZtUBIpqvnIW7vCbHPw=;\n\tb=KRbd+D+xJMuxvi6r1yFdJskxc0IBSlkqDXWq12KlQkMQQBrkXKiO2/fCfGuN70KAdC\n\tMdWw8kSjbuYH6q6/QntvmaF9kFWHY7QlEX3KvpQgBpoe6J4DFEPuVWL7CX1kzuRt/RCa\n\tysjRKTF+ppwhfkLfpcD89hsnLk/9FIreVFYWQfBgrMdm6uxQzrXwOSaMtfcHzRlDREtK\n\tv1z6DvZH+d3/xT0Hc2ifhbsq+WX6uVh0BNJ47K6JjBr4+s90y/DTT+z25N40s8KRsUVk\n\tElILLD6MFIpI8iptx3fwunsNScAVpwE1wh3eCBzvWaa0xfaTqH4FN+qK9oLidh5IYOyb\n\t4sJg==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=jtE0KsyuA8WbherHcyBIpGQCxZtUBIpqvnIW7vCbHPw=;\n\tb=pNeS1ZzOyd76cHWVJOPdDlWoOJr1ir8bGPHQFUr443p/z6oT+m0s6e/3XaiXTKfVUO\n\tdAN5f3+aqLlvU4ENBBL8ho+oKg9UuU1ocfaXg8U3bOLmA2EmVs8eBQNV1+2AKiAoPab5\n\tdmv1EQAz7wWEgWeGmE59SQ/uwWez2oCvKdsNb7Agb9SHP9XR+fLMDKmO1k337qAxQ1Mq\n\tEA3zjMGeRsaS1pUK4RWRnZAEPdOcmzEnAl/PHoF4ldp1zcjFgHlAATYPav4TNKUeHweV\n\t42cGAoh4WFs5x9ENLv2p7xg+W4Tp4rAxr6+yLkoFBgkapttMgOKjy/kaVRQqZdXEueNI\n\tROYA==", "X-Gm-Message-State": "AOAM530MrvGqstlyElRBwirOGTqWIt3HMNyK5jZnuzlQ5fz6zfFN4DZd\n\tJjH02WnxL0x+7FG89nG1Ce6I8/6Wy9Jdyw==", "X-Google-Smtp-Source": "ABdhPJwWa74NrKwieKk1Ydj5/JY9X3+tCixDa5kvP1oPf3DR6+opQgbiRd8bZlmv9WBDXu4NAPBirA==", "X-Received": "by 2002:a19:d11:: with SMTP id 17mr12889863lfn.0.1599577689084; \n\tTue, 08 Sep 2020 08:08:09 -0700 (PDT)", "From": "Andrey Konovalov <andrey.konovalov@linaro.org>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 8 Sep 2020 18:07:38 +0300", "Message-Id": "<20200908150739.1552-2-andrey.konovalov@linaro.org>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20200908150739.1552-1-andrey.konovalov@linaro.org>", "References": "<20200908150739.1552-1-andrey.konovalov@linaro.org>", "Subject": "[libcamera-devel] [RFC PATCH v2 1/2] qcam: format_converter: put\n\tparameters of different formats into union", "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>", "MIME-Version": "1.0", "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": "As the number of supported formats in the converter grows, having the\nformat-specific parameters in a union makes the code cleaner, and save\nsome amount of memory.\n\nSigned-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>\n---\n src/qcam/format_converter.cpp | 133 ++++++++++++++++++----------------\n src/qcam/format_converter.h | 37 ++++++----\n 2 files changed, 92 insertions(+), 78 deletions(-)", "diff": "diff --git a/src/qcam/format_converter.cpp b/src/qcam/format_converter.cpp\nindex 4b9722d..3481330 100644\n--- a/src/qcam/format_converter.cpp\n+++ b/src/qcam/format_converter.cpp\n@@ -33,103 +33,103 @@ int FormatConverter::configure(const libcamera::PixelFormat &format,\n \tswitch (format) {\n \tcase libcamera::formats::NV12:\n \t\tformatFamily_ = NV;\n-\t\thorzSubSample_ = 2;\n-\t\tvertSubSample_ = 2;\n-\t\tnvSwap_ = false;\n+\t\tparams_.nv.horzSubSample = 2;\n+\t\tparams_.nv.vertSubSample = 2;\n+\t\tparams_.nv.nvSwap = false;\n \t\tbreak;\n \tcase libcamera::formats::NV21:\n \t\tformatFamily_ = NV;\n-\t\thorzSubSample_ = 2;\n-\t\tvertSubSample_ = 2;\n-\t\tnvSwap_ = true;\n+\t\tparams_.nv.horzSubSample = 2;\n+\t\tparams_.nv.vertSubSample = 2;\n+\t\tparams_.nv.nvSwap = true;\n \t\tbreak;\n \tcase libcamera::formats::NV16:\n \t\tformatFamily_ = NV;\n-\t\thorzSubSample_ = 2;\n-\t\tvertSubSample_ = 1;\n-\t\tnvSwap_ = false;\n+\t\tparams_.nv.horzSubSample = 2;\n+\t\tparams_.nv.vertSubSample = 1;\n+\t\tparams_.nv.nvSwap = false;\n \t\tbreak;\n \tcase libcamera::formats::NV61:\n \t\tformatFamily_ = NV;\n-\t\thorzSubSample_ = 2;\n-\t\tvertSubSample_ = 1;\n-\t\tnvSwap_ = true;\n+\t\tparams_.nv.horzSubSample = 2;\n+\t\tparams_.nv.vertSubSample = 1;\n+\t\tparams_.nv.nvSwap = true;\n \t\tbreak;\n \tcase libcamera::formats::NV24:\n \t\tformatFamily_ = NV;\n-\t\thorzSubSample_ = 1;\n-\t\tvertSubSample_ = 1;\n-\t\tnvSwap_ = false;\n+\t\tparams_.nv.horzSubSample = 1;\n+\t\tparams_.nv.vertSubSample = 1;\n+\t\tparams_.nv.nvSwap = false;\n \t\tbreak;\n \tcase libcamera::formats::NV42:\n \t\tformatFamily_ = NV;\n-\t\thorzSubSample_ = 1;\n-\t\tvertSubSample_ = 1;\n-\t\tnvSwap_ = true;\n+\t\tparams_.nv.horzSubSample = 1;\n+\t\tparams_.nv.vertSubSample = 1;\n+\t\tparams_.nv.nvSwap = true;\n \t\tbreak;\n \n \tcase libcamera::formats::RGB888:\n \t\tformatFamily_ = RGB;\n-\t\tr_pos_ = 2;\n-\t\tg_pos_ = 1;\n-\t\tb_pos_ = 0;\n-\t\tbpp_ = 3;\n+\t\tparams_.rgb.r_pos = 2;\n+\t\tparams_.rgb.g_pos = 1;\n+\t\tparams_.rgb.b_pos = 0;\n+\t\tparams_.rgb.bpp = 3;\n \t\tbreak;\n \tcase libcamera::formats::BGR888:\n \t\tformatFamily_ = RGB;\n-\t\tr_pos_ = 0;\n-\t\tg_pos_ = 1;\n-\t\tb_pos_ = 2;\n-\t\tbpp_ = 3;\n+\t\tparams_.rgb.r_pos = 0;\n+\t\tparams_.rgb.g_pos = 1;\n+\t\tparams_.rgb.b_pos = 2;\n+\t\tparams_.rgb.bpp = 3;\n \t\tbreak;\n \tcase libcamera::formats::ARGB8888:\n \t\tformatFamily_ = RGB;\n-\t\tr_pos_ = 2;\n-\t\tg_pos_ = 1;\n-\t\tb_pos_ = 0;\n-\t\tbpp_ = 4;\n+\t\tparams_.rgb.r_pos = 2;\n+\t\tparams_.rgb.g_pos = 1;\n+\t\tparams_.rgb.b_pos = 0;\n+\t\tparams_.rgb.bpp = 4;\n \t\tbreak;\n \tcase libcamera::formats::RGBA8888:\n \t\tformatFamily_ = RGB;\n-\t\tr_pos_ = 3;\n-\t\tg_pos_ = 2;\n-\t\tb_pos_ = 1;\n-\t\tbpp_ = 4;\n+\t\tparams_.rgb.r_pos = 3;\n+\t\tparams_.rgb.g_pos = 2;\n+\t\tparams_.rgb.b_pos = 1;\n+\t\tparams_.rgb.bpp = 4;\n \t\tbreak;\n \tcase libcamera::formats::ABGR8888:\n \t\tformatFamily_ = RGB;\n-\t\tr_pos_ = 0;\n-\t\tg_pos_ = 1;\n-\t\tb_pos_ = 2;\n-\t\tbpp_ = 4;\n+\t\tparams_.rgb.r_pos = 0;\n+\t\tparams_.rgb.g_pos = 1;\n+\t\tparams_.rgb.b_pos = 2;\n+\t\tparams_.rgb.bpp = 4;\n \t\tbreak;\n \tcase libcamera::formats::BGRA8888:\n \t\tformatFamily_ = RGB;\n-\t\tr_pos_ = 1;\n-\t\tg_pos_ = 2;\n-\t\tb_pos_ = 3;\n-\t\tbpp_ = 4;\n+\t\tparams_.rgb.r_pos = 1;\n+\t\tparams_.rgb.g_pos = 2;\n+\t\tparams_.rgb.b_pos = 3;\n+\t\tparams_.rgb.bpp = 4;\n \t\tbreak;\n \n \tcase libcamera::formats::VYUY:\n \t\tformatFamily_ = YUV;\n-\t\ty_pos_ = 1;\n-\t\tcb_pos_ = 2;\n+\t\tparams_.yuv.y_pos = 1;\n+\t\tparams_.yuv.cb_pos = 2;\n \t\tbreak;\n \tcase libcamera::formats::YVYU:\n \t\tformatFamily_ = YUV;\n-\t\ty_pos_ = 0;\n-\t\tcb_pos_ = 3;\n+\t\tparams_.yuv.y_pos = 0;\n+\t\tparams_.yuv.cb_pos = 3;\n \t\tbreak;\n \tcase libcamera::formats::UYVY:\n \t\tformatFamily_ = YUV;\n-\t\ty_pos_ = 1;\n-\t\tcb_pos_ = 0;\n+\t\tparams_.yuv.y_pos = 1;\n+\t\tparams_.yuv.cb_pos = 0;\n \t\tbreak;\n \tcase libcamera::formats::YUYV:\n \t\tformatFamily_ = YUV;\n-\t\ty_pos_ = 0;\n-\t\tcb_pos_ = 1;\n+\t\tparams_.yuv.y_pos = 0;\n+\t\tparams_.yuv.cb_pos = 1;\n \t\tbreak;\n \n \tcase libcamera::formats::MJPEG:\n@@ -178,18 +178,20 @@ static void yuv_to_rgb(int y, int u, int v, int *r, int *g, int *b)\n \n void FormatConverter::convertNV(const unsigned char *src, 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+\tunsigned int c_stride = width_ * (2 / params_.nv.horzSubSample);\n+\tunsigned int c_inc = params_.nv.horzSubSample == 1 ? 2 : 0;\n+\tunsigned int cb_pos = params_.nv.nvSwap ? 1 : 0;\n+\tunsigned int cr_pos = params_.nv.nvSwap ? 0 : 1;\n \tconst unsigned char *src_c = src + width_ * height_;\n \tint r, g, b;\n \n \tfor (unsigned int y = 0; y < height_; y++) {\n \t\tconst unsigned char *src_y = src + y * width_;\n-\t\tconst unsigned char *src_cb = src_c + (y / vertSubSample_) *\n+\t\tconst unsigned char *src_cb = src_c +\n+\t\t\t\t\t (y / params_.nv.vertSubSample) *\n \t\t\t\t\t c_stride + cb_pos;\n-\t\tconst unsigned char *src_cr = src_c + (y / vertSubSample_) *\n+\t\tconst unsigned char *src_cr = src_c +\n+\t\t\t\t\t (y / params_.nv.vertSubSample) *\n \t\t\t\t\t c_stride + cr_pos;\n \n \t\tfor (unsigned int x = 0; x < width_; x += 2) {\n@@ -223,9 +225,9 @@ void FormatConverter::convertRGB(const unsigned char *src, unsigned char *dst)\n \n \tfor (y = 0; y < height_; y++) {\n \t\tfor (x = 0; x < width_; x++) {\n-\t\t\tr = src[bpp_ * x + r_pos_];\n-\t\t\tg = src[bpp_ * x + g_pos_];\n-\t\t\tb = src[bpp_ * x + b_pos_];\n+\t\t\tr = src[params_.rgb.bpp * x + params_.rgb.r_pos];\n+\t\t\tg = src[params_.rgb.bpp * x + params_.rgb.g_pos];\n+\t\t\tb = src[params_.rgb.bpp * x + params_.rgb.b_pos];\n \n \t\t\tdst[4 * x + 0] = b;\n \t\t\tdst[4 * x + 1] = g;\n@@ -233,7 +235,7 @@ void FormatConverter::convertRGB(const unsigned char *src, unsigned char *dst)\n \t\t\tdst[4 * x + 3] = 0xff;\n \t\t}\n \n-\t\tsrc += width_ * bpp_;\n+\t\tsrc += width_ * params_.rgb.bpp;\n \t\tdst += width_ * 4;\n \t}\n }\n@@ -246,16 +248,18 @@ void FormatConverter::convertYUV(const unsigned char *src, unsigned char *dst)\n \tunsigned int cr_pos;\n \tint r, g, b, y, cr, cb;\n \n-\tcr_pos = (cb_pos_ + 2) % 4;\n+\tcr_pos = (params_.yuv.cb_pos + 2) % 4;\n \tsrc_stride = width_ * 2;\n \tdst_stride = width_ * 4;\n \n \tfor (src_y = 0, dst_y = 0; dst_y < height_; src_y++, dst_y++) {\n \t\tfor (src_x = 0, dst_x = 0; dst_x < width_; ) {\n-\t\t\tcb = src[src_y * src_stride + src_x * 4 + cb_pos_];\n+\t\t\tcb = src[src_y * src_stride + src_x * 4 +\n+\t\t\t\t params_.yuv.cb_pos];\n \t\t\tcr = src[src_y * src_stride + src_x * 4 + cr_pos];\n \n-\t\t\ty = src[src_y * src_stride + src_x * 4 + y_pos_];\n+\t\t\ty = src[src_y * src_stride + src_x * 4 +\n+\t\t\t\tparams_.yuv.y_pos];\n \t\t\tyuv_to_rgb(y, cb, cr, &r, &g, &b);\n \t\t\tdst[dst_y * dst_stride + 4 * dst_x + 0] = b;\n \t\t\tdst[dst_y * dst_stride + 4 * dst_x + 1] = g;\n@@ -263,7 +267,8 @@ void FormatConverter::convertYUV(const unsigned char *src, unsigned char *dst)\n \t\t\tdst[dst_y * dst_stride + 4 * dst_x + 3] = 0xff;\n \t\t\tdst_x++;\n \n-\t\t\ty = src[src_y * src_stride + src_x * 4 + y_pos_ + 2];\n+\t\t\ty = src[src_y * src_stride + src_x * 4 +\n+\t\t\t\tparams_.yuv.y_pos + 2];\n \t\t\tyuv_to_rgb(y, cb, cr, &r, &g, &b);\n \t\t\tdst[dst_y * dst_stride + 4 * dst_x + 0] = b;\n \t\t\tdst[dst_y * dst_stride + 4 * dst_x + 1] = g;\ndiff --git a/src/qcam/format_converter.h b/src/qcam/format_converter.h\nindex e389b24..c53fa28 100644\n--- a/src/qcam/format_converter.h\n+++ b/src/qcam/format_converter.h\n@@ -40,20 +40,29 @@ private:\n \n \tenum FormatFamily formatFamily_;\n \n-\t/* NV parameters */\n-\tunsigned int horzSubSample_;\n-\tunsigned int vertSubSample_;\n-\tbool nvSwap_;\n-\n-\t/* RGB parameters */\n-\tunsigned int bpp_;\n-\tunsigned int r_pos_;\n-\tunsigned int g_pos_;\n-\tunsigned int b_pos_;\n-\n-\t/* YUV parameters */\n-\tunsigned int y_pos_;\n-\tunsigned int cb_pos_;\n+\tunion {\n+\t\t/* NV parameters */\n+\t\tstruct nv_params {\n+\t\t\tunsigned int horzSubSample;\n+\t\t\tunsigned int vertSubSample;\n+\t\t\tbool nvSwap;\n+\t\t} nv;\n+\n+\t\t/* RGB parameters */\n+\t\tstruct rgb_params {\n+\t\t\tunsigned int bpp;\n+\t\t\tunsigned int r_pos;\n+\t\t\tunsigned int g_pos;\n+\t\t\tunsigned int b_pos;\n+\t\t} rgb;\n+\n+\t\t/* YUV parameters */\n+\t\tstruct yuv_params {\n+\t\t\tunsigned int y_pos;\n+\t\t\tunsigned int cb_pos;\n+\t\t} yuv;\n+\t} params_;\n+\n };\n \n #endif /* __QCAM_FORMAT_CONVERTER_H__ */\n", "prefixes": [ "libcamera-devel", "RFC", "v2", "1/2" ] }