feat(users/flokli/ipu6-softisp): init
This code adds support for the ipu6 webcams via libcamera, based on the work in https://copr.fedorainfracloud.org/coprs/jwrdegoede/ipu6-softisp/. It's supposed to be included in your NixOS configuration imports. Change-Id: Ifb71999ad61161fa23506b97cb449f73fb1270e3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10709 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de> Autosubmit: flokli <flokli@flokli.de>
This commit is contained in:
Florian Klink
flokli
parent
b38be028d9
commit
af9a8d372b
27 changed files with 5847 additions and 0 deletions
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From 8fc77447c0d76b0b52b19d23674049181c6cf8d2 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 11 Dec 2023 14:46:53 +0100
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Subject: [PATCH 09/25] libcamera: software_isp: Add Debayer base class
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Add a base class for debayer implementations. This is intended to be
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suitable for both GPU (or otherwise) accelerated debayer implementations
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as well as CPU based debayering.
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Doxygen documentation by Dennis Bonke.
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Co-authored-by: Dennis Bonke <admin@dennisbonke.com>
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Signed-off-by: Dennis Bonke <admin@dennisbonke.com>
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Co-authored-by: Andrey Konovalov <andrey.konovalov@linaro.org>
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Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # sc8280xp Lenovo x13s
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Tested-by: Pavel Machek <pavel@ucw.cz>
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---
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.../libcamera/internal/software_isp/debayer.h | 132 ++++++++++++++++++
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.../internal/software_isp/debayer_params.h | 43 ++++++
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.../internal/software_isp/meson.build | 2 +
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src/libcamera/software_isp/debayer.cpp | 22 +++
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src/libcamera/software_isp/meson.build | 1 +
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5 files changed, 200 insertions(+)
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create mode 100644 include/libcamera/internal/software_isp/debayer.h
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create mode 100644 include/libcamera/internal/software_isp/debayer_params.h
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create mode 100644 src/libcamera/software_isp/debayer.cpp
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diff --git a/include/libcamera/internal/software_isp/debayer.h b/include/libcamera/internal/software_isp/debayer.h
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new file mode 100644
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index 00000000..39e6f393
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--- /dev/null
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+++ b/include/libcamera/internal/software_isp/debayer.h
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@@ -0,0 +1,132 @@
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
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+/*
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+ * Copyright (C) 2023, Linaro Ltd
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+ * Copyright (C) 2023, Red Hat Inc.
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+ *
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+ * Authors:
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+ * Hans de Goede <hdegoede@redhat.com>
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+ *
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+ * debayer.h - debayering base class
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+ */
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+
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+#pragma once
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+
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+#include <stdint.h>
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+
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+#include <libcamera/base/log.h>
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+#include <libcamera/base/signal.h>
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+
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+#include <libcamera/geometry.h>
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+#include <libcamera/stream.h>
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+
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+#include "libcamera/internal/software_isp/debayer_params.h"
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+
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+namespace libcamera {
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+
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+class FrameBuffer;
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+
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+LOG_DECLARE_CATEGORY(Debayer)
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+
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+/**
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+ * \class Debayer
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+ * \brief Base debayering class
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+ *
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+ * Base class that provides functions for setting up the debayering process.
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+ */
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+class Debayer
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+{
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+public:
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+ virtual ~Debayer() = 0;
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+
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+ /**
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+ * \brief Configure the debayer object according to the passed in parameters.
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+ * \param[in] inputCfg The input configuration.
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+ * \param[in] outputCfgs The output configurations.
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+ *
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+ * \return 0 on success, a negative errno on failure.
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+ */
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+ virtual int configure(const StreamConfiguration &inputCfg,
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+ const std::vector<std::reference_wrapper<StreamConfiguration>> &outputCfgs) = 0;
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+
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+ /**
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+ * \brief Get the width and height at which the bayer pattern repeats.
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+ * \param[in] inputFormat The input format.
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+ *
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+ * \return pattern size or an empty size for unsupported inputFormats.
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+ */
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+ virtual Size patternSize(PixelFormat inputFormat) = 0;
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+
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+ /**
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+ * \brief Get the supported output formats.
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+ * \param[in] inputFormat The input format.
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+ *
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+ * \return all supported output formats or an empty vector if there are none.
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+ */
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+ virtual std::vector<PixelFormat> formats(PixelFormat inputFormat) = 0;
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+
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+ /**
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+ * \brief Get the stride and the frame size.
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+ * \param[in] outputFormat The output format.
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+ * \param[in] size The output size.
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+ *
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+ * \return a tuple of the stride and the frame size, or a tuple with 0,0 if there is no valid output config.
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+ */
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+ virtual std::tuple<unsigned int, unsigned int>
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+ strideAndFrameSize(const PixelFormat &outputFormat, const Size &size) = 0;
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+
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+ /**
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+ * \brief Process the bayer data into the requested format.
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+ * \param[in] input The input buffer.
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+ * \param[in] output The output buffer.
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+ * \param[in] params The parameters to be used in debayering.
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+ *
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+ * \note DebayerParams is passed by value deliberately so that a copy is passed
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+ * when this is run in another thread by invokeMethod().
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+ */
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+ virtual void process(FrameBuffer *input, FrameBuffer *output, DebayerParams params) = 0;
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+
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+ /**
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+ * \brief Get the supported output sizes for the given input format and size.
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+ * \param[in] inputFormat The input format.
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+ * \param[in] inputSize The input size.
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+ *
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+ * \return The valid size ranges or an empty range if there are none.
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+ */
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+ SizeRange sizes(PixelFormat inputFormat, const Size &inputSize)
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+ {
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+ Size pattern_size = patternSize(inputFormat);
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+
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+ if (pattern_size.isNull())
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+ return {};
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+
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+ /*
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+ * For debayer interpolation a border of pattern-height x pattern-width
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+ * is kept around the entire image. Combined with a minimum-size of
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+ * pattern-height x pattern-width this means the input-size needs to be
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+ * at least (3 * pattern-height) x (3 * pattern-width).
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+ */
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+ if (inputSize.width < (3 * pattern_size.width) ||
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+ inputSize.height < (3 * pattern_size.height)) {
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+ LOG(Debayer, Warning)
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+ << "Input format size too small: " << inputSize.toString();
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+ return {};
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+ }
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+
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+ return SizeRange(Size(pattern_size.width, pattern_size.height),
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+ Size((inputSize.width - 2 * pattern_size.width) & ~(pattern_size.width - 1),
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+ (inputSize.height - 2 * pattern_size.height) & ~(pattern_size.height - 1)),
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+ pattern_size.width, pattern_size.height);
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+ }
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+
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+ /**
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+ * \brief Signals when the input buffer is ready.
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+ */
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+ Signal<FrameBuffer *> inputBufferReady;
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+
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+ /**
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+ * \brief Signals when the output buffer is ready.
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+ */
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+ Signal<FrameBuffer *> outputBufferReady;
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+};
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+
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+} /* namespace libcamera */
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diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h
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new file mode 100644
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index 00000000..8f515304
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--- /dev/null
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+++ b/include/libcamera/internal/software_isp/debayer_params.h
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@@ -0,0 +1,43 @@
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
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+/*
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+ * Copyright (C) 2023, Red Hat Inc.
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+ *
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+ * Authors:
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+ * Hans de Goede <hdegoede@redhat.com>
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+ *
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+ * swstats.h - software statistics base class
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+ */
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+
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+#pragma once
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+
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+namespace libcamera {
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+
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+/**
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+ * \brief Struct to hold the debayer parameters.
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+ */
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+struct DebayerParams {
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+ /**
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+ * \brief Red Gain.
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+ *
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+ * 128 = 0.5, 256 = 1.0, 512 = 2.0, etc.
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+ */
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+ unsigned int gainR;
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+ /**
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+ * \brief Green Gain.
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+ *
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+ * 128 = 0.5, 256 = 1.0, 512 = 2.0, etc.
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+ */
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+ unsigned int gainG;
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+ /**
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+ * \brief Blue Gain.
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+ *
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+ * 128 = 0.5, 256 = 1.0, 512 = 2.0, etc.
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+ */
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+ unsigned int gainB;
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+ /**
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+ * \brief Gamma correction, 1.0 is no correction.
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+ */
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+ float gamma;
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+};
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+
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+} /* namespace libcamera */
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diff --git a/include/libcamera/internal/software_isp/meson.build b/include/libcamera/internal/software_isp/meson.build
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index 1d9e4018..7e40925e 100644
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--- a/include/libcamera/internal/software_isp/meson.build
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+++ b/include/libcamera/internal/software_isp/meson.build
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@@ -1,6 +1,8 @@
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# SPDX-License-Identifier: CC0-1.0
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libcamera_internal_headers += files([
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+ 'debayer.h',
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+ 'debayer_params.h',
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'swisp_stats.h',
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'swstats.h',
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'swstats_cpu.h',
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diff --git a/src/libcamera/software_isp/debayer.cpp b/src/libcamera/software_isp/debayer.cpp
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new file mode 100644
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index 00000000..442da1ac
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--- /dev/null
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+++ b/src/libcamera/software_isp/debayer.cpp
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@@ -0,0 +1,22 @@
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
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+/*
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+ * Copyright (C) 2023, Linaro Ltd
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+ * Copyright (C) 2023, Red Hat Inc.
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+ *
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+ * Authors:
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+ * Hans de Goede <hdegoede@redhat.com>
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+ *
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+ * debayer.cpp - debayer base class
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+ */
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+
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+#include "libcamera/internal/software_isp/debayer.h"
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+
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+namespace libcamera {
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+
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+LOG_DEFINE_CATEGORY(Debayer)
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+
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+Debayer::~Debayer()
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+{
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+}
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+
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+} /* namespace libcamera */
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diff --git a/src/libcamera/software_isp/meson.build b/src/libcamera/software_isp/meson.build
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index d31c6217..d4ae5ac7 100644
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--- a/src/libcamera/software_isp/meson.build
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+++ b/src/libcamera/software_isp/meson.build
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@@ -1,6 +1,7 @@
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# SPDX-License-Identifier: CC0-1.0
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libcamera_sources += files([
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+ 'debayer.cpp',
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'swstats.cpp',
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'swstats_cpu.cpp',
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])
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--
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2.43.0
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