{"id":24188,"url":"https://patchwork.libcamera.org/api/1.1/patches/24188/?format=json","web_url":"https://patchwork.libcamera.org/patch/24188/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/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":"<20250824-b4-v0-5-2-gpuisp-v2-a-v2-5-96f4576c814e@linaro.org>","date":"2025-08-24T00:48:17","name":"[v2,05/37] libcamera: swstats_cpu: Add processFrame() method","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"2d17decffe9749a830f95c0f75ce6aaed8ab3e81","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/1.1/people/175/?format=json","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/24188/mbox/","series":[{"id":5400,"url":"https://patchwork.libcamera.org/api/1.1/series/5400/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5400","date":"2025-08-24T00:48:12","name":"Add GLES 2.0 GPUISP to libcamera","version":2,"mbox":"https://patchwork.libcamera.org/series/5400/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/24188/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/24188/checks/","tags":{},"headers":{"Return-Path":"","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 4404EC32BB\n\tfor ;\n\tSun, 24 Aug 2025 00:48:52 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2B6A069309;\n\tSun, 24 Aug 2025 02:48:49 +0200 (CEST)","from mail-wm1-x329.google.com (mail-wm1-x329.google.com\n\t[IPv6:2a00:1450:4864:20::329])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 45E58692F3\n\tfor ;\n\tSun, 24 Aug 2025 02:48:41 +0200 (CEST)","by mail-wm1-x329.google.com with SMTP id\n\t5b1f17b1804b1-45a1abf5466so20830845e9.0\n\tfor ;\n\tSat, 23 Aug 2025 17:48:41 -0700 (PDT)","from [192.168.0.13] (188-141-3-146.dynamic.upc.ie. 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This is useful for gathering stats\nwhen debayering is not necessary or is not done on the CPU.\n\nReviewed-by: Milan Zamazal \nSigned-off-by: Hans de Goede \nSigned-off-by: Bryan O'Donoghue \n---\n .../libcamera/internal/software_isp/swstats_cpu.h | 12 +++++\n src/libcamera/software_isp/swstats_cpu.cpp | 51 ++++++++++++++++++++++\n 2 files changed, 63 insertions(+)","diff":"diff --git a/include/libcamera/internal/software_isp/swstats_cpu.h b/include/libcamera/internal/software_isp/swstats_cpu.h\nindex 26a2f462eb1eea359abbb9366e3eba5704ee293f..fa47cec91c1ffce28f9a212bc7a29499daed8be5 100644\n--- a/include/libcamera/internal/software_isp/swstats_cpu.h\n+++ b/include/libcamera/internal/software_isp/swstats_cpu.h\n@@ -18,12 +18,16 @@\n #include \n \n #include \"libcamera/internal/bayer_format.h\"\n+#include \"libcamera/internal/framebuffer.h\"\n #include \"libcamera/internal/shared_mem_object.h\"\n #include \"libcamera/internal/software_isp/swisp_stats.h\"\n \n+#include \"benchmark.h\"\n+\n namespace libcamera {\n \n class PixelFormat;\n+class MappedFrameBuffer;\n struct StreamConfiguration;\n \n class SwStatsCpu\n@@ -42,6 +46,7 @@ public:\n \tvoid setWindow(const Rectangle &window);\n \tvoid startFrame();\n \tvoid finishFrame(uint32_t frame, uint32_t bufferId);\n+\tvoid processFrame(uint32_t frame, uint32_t bufferId, FrameBuffer *input);\n \n \tvoid processLine0(unsigned int y, const uint8_t *src[])\n \t{\n@@ -65,6 +70,7 @@ public:\n \n private:\n \tusing statsProcessFn = void (SwStatsCpu::*)(const uint8_t *src[]);\n+\tusing processFrameFn = void (SwStatsCpu::*)(MappedFrameBuffer &in);\n \n \tint setupStandardBayerOrder(BayerFormat::Order order);\n \t/* Bayer 8 bpp unpacked */\n@@ -77,6 +83,10 @@ private:\n \tvoid statsBGGR10PLine0(const uint8_t *src[]);\n \tvoid statsGBRG10PLine0(const uint8_t *src[]);\n \n+\tvoid processBayerFrame2(MappedFrameBuffer &in);\n+\n+\tprocessFrameFn processFrame_;\n+\n \t/* Variables set by configure(), used every line */\n \tstatsProcessFn stats0_;\n \tstatsProcessFn stats2_;\n@@ -89,9 +99,11 @@ private:\n \tSize patternSize_;\n \n \tunsigned int xShift_;\n+\tunsigned int stride_;\n \n \tSharedMemObject sharedStats_;\n \tSwIspStats stats_;\n+\tBenchmark bench_;\n };\n \n } /* namespace libcamera */\ndiff --git a/src/libcamera/software_isp/swstats_cpu.cpp b/src/libcamera/software_isp/swstats_cpu.cpp\nindex 347fc32db13d81cef3d6d1bb7d64241e06d4ad0e..9d45d228e343621605cf5085711c3af9a6915ea4 100644\n--- a/src/libcamera/software_isp/swstats_cpu.cpp\n+++ b/src/libcamera/software_isp/swstats_cpu.cpp\n@@ -16,6 +16,7 @@\n #include \n \n #include \"libcamera/internal/bayer_format.h\"\n+#include \"libcamera/internal/mapped_framebuffer.h\"\n \n namespace libcamera {\n \n@@ -360,11 +361,14 @@ int SwStatsCpu::setupStandardBayerOrder(BayerFormat::Order order)\n */\n int SwStatsCpu::configure(const StreamConfiguration &inputCfg)\n {\n+\tstride_ = inputCfg.stride;\n+\n \tBayerFormat bayerFormat =\n \t\tBayerFormat::fromPixelFormat(inputCfg.pixelFormat);\n \n \tif (bayerFormat.packing == BayerFormat::Packing::None &&\n \t setupStandardBayerOrder(bayerFormat.order) == 0) {\n+\t\tprocessFrame_ = &SwStatsCpu::processBayerFrame2;\n \t\tswitch (bayerFormat.bitDepth) {\n \t\tcase 8:\n \t\t\tstats0_ = &SwStatsCpu::statsBGGR8Line0;\n@@ -385,6 +389,7 @@ int SwStatsCpu::configure(const StreamConfiguration &inputCfg)\n \t\t/* Skip every 3th and 4th line, sample every other 2x2 block */\n \t\tySkipMask_ = 0x02;\n \t\txShift_ = 0;\n+\t\tprocessFrame_ = &SwStatsCpu::processBayerFrame2;\n \n \t\tswitch (bayerFormat.order) {\n \t\tcase BayerFormat::BGGR:\n@@ -425,4 +430,50 @@ void SwStatsCpu::setWindow(const Rectangle &window)\n \twindow_.height &= ~(patternSize_.height - 1);\n }\n \n+void SwStatsCpu::processBayerFrame2(MappedFrameBuffer &in)\n+{\n+\tconst uint8_t *src = in.planes()[0].data();\n+\tconst uint8_t *linePointers[3];\n+\n+\t/* Adjust src for starting at window_.y */\n+\tsrc += window_.y * stride_;\n+\n+\tfor (unsigned int y = 0; y < window_.height; y += 2) {\n+\t\tif (y & ySkipMask_) {\n+\t\t\tsrc += stride_ * 2;\n+\t\t\tcontinue;\n+\t\t}\n+\n+\t\t/* linePointers[0] is not used by any stats0_ functions */\n+\t\tlinePointers[1] = src;\n+\t\tlinePointers[2] = src + stride_;\n+\t\t(this->*stats0_)(linePointers);\n+\t\tsrc += stride_ * 2;\n+\t}\n+}\n+\n+/**\n+ * \\brief Calculate statistics for a frame in one go\n+ * \\param[in] frame The frame number\n+ * \\param[in] bufferId ID of the statistics buffer\n+ * \\param[in] input The frame to process\n+ *\n+ * This may only be called after a successful setWindow() call.\n+ */\n+void SwStatsCpu::processFrame(uint32_t frame, uint32_t bufferId, FrameBuffer *input)\n+{\n+\tbench_.startFrame();\n+\tstartFrame();\n+\n+\tMappedFrameBuffer in(input, MappedFrameBuffer::MapFlag::Read);\n+\tif (!in.isValid()) {\n+\t\tLOG(SwStatsCpu, Error) << \"mmap-ing buffer(s) failed\";\n+\t\treturn;\n+\t}\n+\n+\t(this->*processFrame_)(in);\n+\tfinishFrame(frame, bufferId);\n+\tbench_.finishFrame();\n+}\n+\n } /* namespace libcamera */\n","prefixes":["v2","05/37"]}