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authorNaushir Patuck <naush@raspberrypi.com>2024-05-10 11:02:04 +0100
committerKieran Bingham <kieran.bingham@ideasonboard.com>2024-05-16 16:11:06 +0100
commitb14f06115027abb67f0a1c0767b18899a473a237 (patch)
tree0233700db4d0d0403d5efb3372444cbdef493673 /utils/tracepoints/meson.build
parent1659e68cdce084ea38d55f51f4664c8c35c27df3 (diff)
include: linux: Add PiSP specific image and config buffer formats
Add the Raspberry Pi 5 PiSP specific compressed Bayer format types 1/2: - V4L2_PIX_FMT_PISP_COMP1_xxx - V4L2_PIX_FMT_PISP_COMP2_xxx Add the Raspberry Pi 5 PiSP Frontend and Backend config formats: - V4L2_META_FMT_RPI_FE_CFG - V4L2_META_FMT_RPI_BE_CFG Add the Raspberry Pi 5 PiSP Frontend statistics format: - V4L2_META_FMT_RPI_FE_STATS The corresponding changes submitted to the linux-media mailing list can be found at: (series "media: raspberrypi: Add support for PiSP Back End") https://lore.kernel.org/linux-media/20240502110503.38412-4-jacopo.mondi@ideasonboard.com/ https://lore.kernel.org/linux-media/20240502110503.38412-5-jacopo.mondi@ideasonboard.com/ and for the DRM mailing at: (patch "[RFC] drm/fourcc: Add RPI modifiers") https://lore.kernel.org/dri-devel/20240226153854.99471-1-jacopo.mondi@ideasonboard.com/ Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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generated by cgit v1.2.1 (git 2.18.0) at 2024-11-19 22:22:22 +0000
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * camera_session.cpp - Camera capture session
 */

#include <iomanip>
#include <iostream>
#include <limits.h>
#include <sstream>

#include <libcamera/control_ids.h>
#include <libcamera/property_ids.h>

#include "camera_session.h"
#include "event_loop.h"
#include "file_sink.h"
#ifdef HAVE_KMS
#include "kms_sink.h"
#endif
#include "main.h"
#include "stream_options.h"

using namespace libcamera;

CameraSession::CameraSession(CameraManager *cm,
			     const std::string &cameraId,
			     unsigned int cameraIndex,
			     const OptionsParser::Options &options)
	: options_(options), cameraIndex_(cameraIndex), last_(0),
	  queueCount_(0), captureCount_(0), captureLimit_(0),
	  printMetadata_(false)
{
	char *endptr;
	unsigned long index = strtoul(cameraId.c_str(), &endptr, 10);
	if (*endptr == '\0' && index > 0 && index <= cm->cameras().size())
		camera_ = cm->cameras()[index - 1];
	else
		camera_ = cm->get(cameraId);

	if (!camera_) {
		std::cerr << "Camera " << cameraId << " not found" << std::endl;
		return;
	}

	if (camera_->acquire()) {
		std::cerr << "Failed to acquire camera " << cameraId
			  << std::endl;
		return;
	}

	StreamRoles roles = StreamKeyValueParser::roles(options_[OptStream]);

	std::unique_ptr<CameraConfiguration> config =
		camera_->generateConfiguration(roles);
	if (!config || config->size() != roles.size()) {
		std::cerr << "Failed to get default stream configuration"
			  << std::endl;
		return;
	}

	/* Apply configuration if explicitly requested. */
	if (StreamKeyValueParser::updateConfiguration(config.get(),
						      options_[OptStream])) {
		std::cerr << "Failed to update configuration" << std::endl;
		return;
	}

	bool strictFormats = options_.isSet(OptStrictFormats);

#ifdef HAVE_KMS
	if (options_.isSet(OptDisplay)) {
		if (options_.isSet(OptFile)) {
			std::cerr << "--display and --file options are mutually exclusive"
				  << std::endl;
			return;
		}

		if (roles.size() != 1) {
			std::cerr << "Display doesn't support multiple streams"
				  << std::endl;
			return;
		}

		if (roles[0] != StreamRole::Viewfinder) {
			std::cerr << "Display requires a viewfinder stream"
				  << std::endl;
			return;
		}
	}
#endif

	switch (config->validate()) {
	case CameraConfiguration::Valid:
		break;

	case CameraConfiguration::Adjusted:
		if (strictFormats) {
			std::cout << "Adjusting camera configuration disallowed by --strict-formats argument"
				  << std::endl;
			return;
		}
		std::cout << "Camera configuration adjusted" << std::endl;
		break;

	case CameraConfiguration::Invalid:
		std::cout << "Camera configuration invalid" << std::endl;
		return;
	}

	config_ = std::move(config);
}

CameraSession::~CameraSession()
{
	if (camera_)
		camera_->release();
}

void CameraSession::listControls() const
{
	for (const auto &ctrl : camera_->controls()) {
		const ControlId *id = ctrl.first;
		const ControlInfo &info = ctrl.second;

		std::cout << "Control: " << id->name() << ": "
			  << info.toString() << std::endl;
	}
}

void CameraSession::listProperties() const
{
	for (const auto &prop : camera_->properties()) {
		const ControlId *id = properties::properties.at(prop.first);
		const ControlValue &value = prop.second;

		std::cout << "Property: " << id->name() << " = "
			  << value.toString() << std::endl;
	}
}

void CameraSession::infoConfiguration() const
{