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-rw-r--r--src/ipa/raspberrypi/raspberrypi.cpp57
1 files changed, 56 insertions, 1 deletions
diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp
index e76688a7..ef8b19ba 100644
--- a/src/ipa/raspberrypi/raspberrypi.cpp
+++ b/src/ipa/raspberrypi/raspberrypi.cpp
@@ -43,6 +43,7 @@
#include "contrast_algorithm.hpp"
#include "contrast_status.h"
#include "controller.hpp"
+#include "denoise_algorithm.hpp"
#include "denoise_status.h"
#include "dpc_status.h"
#include "focus_status.h"
@@ -573,6 +574,7 @@ bool IPARPi::validateIspControls()
V4L2_CID_USER_BCM2835_ISP_SHARPEN,
V4L2_CID_USER_BCM2835_ISP_DPC,
V4L2_CID_USER_BCM2835_ISP_LENS_SHADING,
+ V4L2_CID_USER_BCM2835_ISP_CDN,
};
for (auto c : ctrls) {
@@ -622,6 +624,14 @@ static const std::map<int32_t, std::string> AwbModeTable = {
{ controls::AwbCustom, "custom" },
};
+static const std::map<int32_t, RPiController::DenoiseMode> DenoiseModeTable = {
+ { controls::draft::NoiseReductionModeOff, RPiController::DenoiseMode::Off },
+ { controls::draft::NoiseReductionModeFast, RPiController::DenoiseMode::ColourFast },
+ { controls::draft::NoiseReductionModeHighQuality, RPiController::DenoiseMode::ColourHighQuality },
+ { controls::draft::NoiseReductionModeMinimal, RPiController::DenoiseMode::ColourOff },
+ { controls::draft::NoiseReductionModeZSL, RPiController::DenoiseMode::ColourHighQuality },
+};
+
void IPARPi::queueRequest(const ControlList &controls)
{
/* Clear the return metadata buffer. */
@@ -889,6 +899,29 @@ void IPARPi::queueRequest(const ControlList &controls)
break;
}
+ case controls::NOISE_REDUCTION_MODE: {
+ RPiController::DenoiseAlgorithm *sdn = dynamic_cast<RPiController::DenoiseAlgorithm *>(
+ controller_.GetAlgorithm("SDN"));
+ ASSERT(sdn);
+
+ int32_t idx = ctrl.second.get<int32_t>();
+ auto mode = DenoiseModeTable.find(idx);
+ if (mode != DenoiseModeTable.end()) {
+ sdn->SetMode(mode->second);
+
+ /*
+ * \todo If the colour denoise is not going to run due to an
+ * analysis image resolution or format mismatch, we should
+ * report the status correctly in the metadata.
+ */
+ libcameraMetadata_.set(controls::draft::NoiseReductionMode, idx);
+ } else {
+ LOG(IPARPI, Error) << "Noise reduction mode " << idx
+ << " not recognised";
+ }
+ break;
+ }
+
default:
LOG(IPARPI, Warning)
<< "Ctrl " << controls::controls.at(ctrl.first)->name()
@@ -1173,18 +1206,40 @@ void IPARPi::applyGEQ(const struct GeqStatus *geqStatus, ControlList &ctrls)
void IPARPi::applyDenoise(const struct DenoiseStatus *denoiseStatus, ControlList &ctrls)
{
+ using RPiController::DenoiseMode;
+
bcm2835_isp_denoise denoise;
+ DenoiseMode mode = static_cast<DenoiseMode>(denoiseStatus->mode);
- denoise.enabled = 1;
+ denoise.enabled = mode != DenoiseMode::Off;
denoise.constant = denoiseStatus->noise_constant;
denoise.slope.num = 1000 * denoiseStatus->noise_slope;
denoise.slope.den = 1000;
denoise.strength.num = 1000 * denoiseStatus->strength;
denoise.strength.den = 1000;
+ /* Set the CDN mode to match the SDN operating mode. */
+ bcm2835_isp_cdn cdn;
+ switch (mode) {
+ case DenoiseMode::ColourFast:
+ cdn.enabled = 1;
+ cdn.mode = CDN_MODE_FAST;
+ break;
+ case DenoiseMode::ColourHighQuality:
+ cdn.enabled = 1;
+ cdn.mode = CDN_MODE_HIGH_QUALITY;
+ break;
+ default:
+ cdn.enabled = 0;
+ }
+
ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&denoise),
sizeof(denoise) });
ctrls.set(V4L2_CID_USER_BCM2835_ISP_DENOISE, c);
+
+ c = ControlValue(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&cdn),
+ sizeof(cdn) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_CDN, c);
}
void IPARPi::applySharpen(const struct SharpenStatus *sharpenStatus, ControlList &ctrls)
generated by cgit v1.2.1 (git 2.18.0) at 2025-05-28 23:42:12 +0000
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2020, Google Inc.
 *
 * exif.cpp - EXIF tag creation using libexif
 */

#include "exif.h"

#include <cmath>
#include <iomanip>
#include <map>
#include <sstream>
#include <tuple>
#include <uchar.h>

#include <libcamera/base/log.h>
#include <libcamera/base/utils.h>

using namespace libcamera;

LOG_DEFINE_CATEGORY(EXIF)

/*
 * List of EXIF tags that we set directly because they are not supported
 * by libexif version 0.6.21.
 */
enum class _ExifTag {
	OFFSET_TIME              = 0x9010,
	OFFSET_TIME_ORIGINAL     = 0x9011,
	OFFSET_TIME_DIGITIZED    = 0x9012,
};

/*
 * The Exif class should be instantiated and specific properties set
 * through the exposed public API.
 *
 * Once all desired properties have been set, the user shall call
 * generate() to process the entries and generate the Exif data.
 *
 * Calls to generate() must check the return code to determine if any error
 * occurred during the construction of the Exif data, and if successful the
 * data can be obtained using the data() function.
 */
Exif::Exif()
	: valid_(false), data_(nullptr), order_(EXIF_BYTE_ORDER_INTEL),
	  exifData_(0), size_(0)
{
	/* Create an ExifMem allocator to construct entries. */
	mem_ = exif_mem_new_default();
	if (!mem_) {
		LOG(EXIF, Error) << "Failed to allocate ExifMem Allocator";
		return;
	}

	data_ = exif_data_new_mem(mem_);
	if (!data_) {
		LOG(EXIF, Error) << "Failed to allocate an ExifData structure";
		return;
	}

	valid_ = true;

	exif_data_set_option(data_, EXIF_DATA_OPTION_FOLLOW_SPECIFICATION);
	exif_data_set_data_type(data_, EXIF_DATA_TYPE_COMPRESSED);

	/*
	 * Big-Endian: EXIF_BYTE_ORDER_MOTOROLA
	 * Little Endian: EXIF_BYTE_ORDER_INTEL
	 */
	exif_data_set_byte_order(data_, order_);

	setString(EXIF_IFD_EXIF, EXIF_TAG_EXIF_VERSION,
		  EXIF_FORMAT_UNDEFINED, "0231");

	/* Create the mandatory EXIF fields with default data. */
	exif_data_fix(data_);
}

Exif::~Exif()
{
	if (exifData_)
		free(exifData_);

	if (data_) {
		/*
		 * Reset thumbnail data to avoid getting double-freed by
		 * libexif. It is owned by the caller (i.e. PostProcessorJpeg).
		 */
		data_->data = nullptr;
		data_->size = 0;

		exif_data_unref(data_);
	}

	if (mem_)
		exif_mem_unref(mem_);
}

ExifEntry *Exif::createEntry(ExifIfd ifd, ExifTag tag)
{
	ExifContent *content = data_->ifd[ifd];
	ExifEntry *entry = exif_content_get_entry(content, tag);

	if (entry) {
		exif_entry_ref(entry);
		return entry;
	}

	entry = exif_entry_new_mem(mem_);
	if (!entry) {
		LOG(EXIF, Error) << "Failed to allocated new entry";
		valid_ = false;
		return nullptr;
	}

	exif_content_add_entry(content, entry);
	exif_entry_initialize(entry, tag);

	return entry;
}

ExifEntry *Exif::createEntry(ExifIfd ifd, ExifTag tag, ExifFormat format,
			     unsigned long components, unsigned int size)
{
	ExifContent *content = data_->ifd[ifd];

	/* Replace any existing entry with the same tag. */
	ExifEntry *existing = exif_content_get_entry(content, tag);
	exif_content_remove_entry(content, existing);

	ExifEntry *entry = exif_entry_new_mem(mem_);
	if (!entry) {
		LOG(EXIF, Error) << "Failed to allocated new entry";
		valid_ = false;
		return nullptr;
	}

	void *buffer = exif_mem_alloc(mem_, size);
	if (!buffer) {
		LOG(EXIF, Error) << "Failed to allocate buffer for variable entry";
		exif_mem_unref(mem_);
		valid_ = false;
		return nullptr;
	}

	entry->data = static_cast<unsigned char *>(buffer);
	entry->components = components;
	entry->format = format;
	entry->size = size;
	entry->tag = tag;

	exif_content_add_entry(content, entry);

	return entry;
}

void Exif::setByte(ExifIfd ifd, ExifTag tag, uint8_t item)
{
	ExifEntry *entry = createEntry(ifd, tag, EXIF_FORMAT_BYTE, 1, 1);
	if (!entry)
		return;

	entry->data[0] = item;
	exif_entry_unref(entry);
}

void Exif::setShort(ExifIfd ifd, ExifTag tag, uint16_t item)
{
	ExifEntry *entry = createEntry(ifd, tag);
	if (!entry)
		return;

	exif_set_short(entry->data, order_, item);
	exif_entry_unref(entry);
}

void Exif::setLong(ExifIfd ifd, ExifTag tag, uint32_t item)
{
	ExifEntry *entry = createEntry(ifd, tag);
	if (!entry)
		return;

	exif_set_long(entry->data, order_, item);
	exif_entry_unref(entry);
}

void Exif::setRational(ExifIfd ifd, ExifTag tag, ExifRational item)
{
	setRational(ifd, tag, { &item, 1 });
}

void Exif::setRational(ExifIfd ifd, ExifTag tag, Span<const ExifRational> items)
{
	ExifEntry *entry = createEntry(ifd, tag, EXIF_FORMAT_RATIONAL,
				       items.size(),
				       items.size() * sizeof(ExifRational));
	if (!entry)
		return;

	for (size_t i = 0; i < items.size(); i++)
		exif_set_rational(entry->data + i * sizeof(ExifRational),
				  order_, items[i]);
	exif_entry_unref(entry);
}

static const std::map<Exif::StringEncoding, std::array<uint8_t, 8>> stringEncodingCodes = {
	{ Exif::ASCII,     { 0x41, 0x53, 0x43, 0x49, 0x49, 0x00, 0x00, 0x00 } },
	{ Exif::Unicode,   { 0x55, 0x4e, 0x49, 0x43, 0x4f, 0x44, 0x45, 0x00 } },
};

void Exif::setString(ExifIfd ifd, ExifTag tag, ExifFormat format,
		     const std::string &item, StringEncoding encoding)
{
	std::string ascii;
	size_t length;
	const char *str;
	std::vector<uint8_t> buf;

	if (format == EXIF_FORMAT_ASCII) {
		ascii = utils::toAscii(item);
		str = ascii.c_str();

		/* Pad 1 extra byte to null-terminate the ASCII string. */
		length = ascii.length() + 1;
	} else {
		std::u16string u16str;

		auto encodingString = stringEncodingCodes.find(encoding);
		if (encodingString != stringEncodingCodes.end()) {
			buf = {
				encodingString->second.begin(),
				encodingString->second.end()
			};
		}

		switch (encoding) {
		case Unicode:
			u16str = utf8ToUtf16(item);

			buf.resize(8 + u16str.size() * 2);
			for (size_t i = 0; i < u16str.size(); i++) {
				if (order_ == EXIF_BYTE_ORDER_INTEL) {
					buf[8 + 2 * i] = u16str[i] & 0xff;
					buf[8 + 2 * i + 1] = (u16str[i] >> 8) & 0xff;
				} else {
					buf[8 + 2 * i] = (u16str[i] >> 8) & 0xff;
					buf[8 + 2 * i + 1] = u16str[i] & 0xff;
				}
			}

			break;

		case ASCII:
		case NoEncoding:
			buf.insert(buf.end(), item.begin(), item.end());
			break;
		}

		str = reinterpret_cast<const char *>(buf.data());

		/*
		 * Strings stored in different formats (EXIF_FORMAT_UNDEFINED)
		 * are not null-terminated.
		 */
		length = buf.size();
	}

	ExifEntry *entry = createEntry(ifd, tag, format, length, length);
	if (!entry)
		return;

	memcpy(entry->data, str, length);
	exif_entry_unref(entry);
}

void Exif::setMake(const std::string &make)
{
	setString(EXIF_IFD_0, EXIF_TAG_MAKE, EXIF_FORMAT_ASCII, make);
}