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authorJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2021-10-07 10:03:49 +0200
committerJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2021-10-22 07:25:48 +0200
commit7c9c1a2a9299a08e4f6ab09edb4b97f2ae50183d (patch)
tree374d215a331b3fb5ea3e7f72b3174adcfc0c030e /src/ipa/libipa/histogram.cpp
parent59687683a16c64c6821db89c7a1be35b161bf917 (diff)
ipa: ipu3: set frameContext before controls
The AGC frame context needs to be initialised correctly for the first iteration. Until now, the IPA uses the minimum exposure and gain values and caches those in local variables. In order to give the sensor limits to AGC, create a new structure in IPASessionConfiguration. Store the exposure in time (and not line duration) and the analogue gain after CameraSensorHelper conversion. Set the gain and exposure appropriately to the current values known to the IPA and remove the setting of exposure and gain in IPAIPU3 as those are now fully controlled by IPU3Agc. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'src/ipa/libipa/histogram.cpp')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.1 (git 2.18.0) at 2025-03-02 00:27:01 +0000
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2020-2021, Google Inc.
 *
 * simple_capture.cpp - Simple capture helper
 */

#include <gtest/gtest.h>

#include "simple_capture.h"

using namespace libcamera;

SimpleCapture::SimpleCapture(std::shared_ptr<Camera> camera)
	: loop_(nullptr), camera_(camera),
	  allocator_(std::make_unique<FrameBufferAllocator>(camera))
{
}

SimpleCapture::~SimpleCapture()
{
	stop();
}

void SimpleCapture::configure(StreamRole role)
{
	config_ = camera_->generateConfiguration({ role });

	if (!config_) {
		std::cout << "Role not supported by camera" << std::endl;
		GTEST_SKIP();
	}

	if (config_->validate() != CameraConfiguration::Valid) {
		config_.reset();
		FAIL() << "Configuration not valid";
	}

	if (camera_->configure(config_.get())) {
		config_.reset();
		FAIL() << "Failed to configure camera";
	}
}

void SimpleCapture::start()
{
	Stream *stream = config_->at(0).stream();
	int count = allocator_->allocate(stream);

	ASSERT_GE(count, 0) << "Failed to allocate buffers";
	EXPECT_EQ(count, config_->at(0).bufferCount) << "Allocated less buffers than expected";

	camera_->requestCompleted.connect(this, &SimpleCapture::requestComplete);

	ASSERT_EQ(camera_->start(), 0) << "Failed to start camera";
}

void SimpleCapture::stop()
{
	if (!config_ || !allocator_->allocated())
		return;

	camera_->stop();

	camera_->requestCompleted.disconnect(this);

	Stream *stream = config_->at(0).stream();
	allocator_->free(stream);
}

/* SimpleCaptureBalanced */

SimpleCaptureBalanced::SimpleCaptureBalanced(std::shared_ptr<Camera> camera)
	: SimpleCapture(camera)
{
}

void SimpleCaptureBalanced::capture(unsigned int numRequests)
{
	start();

	Stream *stream = config_->at(0).stream();
	const std::vector<std::unique_ptr<FrameBuffer>> &buffers = allocator_->buffers(stream);

	/* No point in testing less requests then the camera depth. */
	if (buffers.size() > numRequests) {
		std::cout << "Camera needs " + std::to_string(buffers.size())
			+ " requests, can't test only "
			+ std::to_string(numRequests) << std::endl;
		GTEST_SKIP();
	}

	queueCount_ = 0;
	captureCount_ = 0;
	captureLimit_ = numRequests;

	/* Queue the recommended number of reqeuests. */
	std::vector<std::unique_ptr<libcamera::Request>> requests;
	for (const std::unique_ptr<FrameBuffer> &buffer : buffers) {
		std::unique_ptr<Request> request = camera_->createRequest();
		ASSERT_TRUE(request) << "Can't create request";

		ASSERT_EQ(request->addBuffer(stream, buffer.get()), 0) << "Can't set buffer for request";

		ASSERT_EQ(queueRequest(request.get()), 0) << "Failed to queue request";

		requests.push_back(std::move(request));
	}

	/* Run capture session. */
	loop_ = new EventLoop();
	loop_->exec();
	stop();
	delete loop_;

	ASSERT_EQ(captureCount_, captureLimit_);
}

int SimpleCaptureBalanced::queueRequest(Request *request)
{
	queueCount_++;
	if (queueCount_ > captureLimit_)
		return 0;

	return camera_->queueRequest(request);
}

void SimpleCaptureBalanced::requestComplete(Request *request)
{
	captureCount_++;
	if (captureCount_ >= captureLimit_) {
		loop_->exit(0);
		return;
	}

	request->reuse(Request::ReuseBuffers);
	if (queueRequest(request))
		loop_->exit(-EINVAL);
}

/* SimpleCaptureUnbalanced */

SimpleCaptureUnbalanced::SimpleCaptureUnbalanced(std::shared_ptr<Camera> camera)
	: SimpleCapture(camera)
{
}

void SimpleCaptureUnbalanced::capture(unsigned int numRequests)
{
	start();

	Stream *stream = config_->at(0).stream();
	const std::vector<std::unique_ptr<FrameBuffer>> &buffers = allocator_->buffers(stream);

	captureCount_ = 0;
	captureLimit_ = numRequests;

	/* Queue the recommended number of reqeuests. */
	std::vector<std::unique_ptr<libcamera::Request>> requests;
	for (const std::unique_ptr<FrameBuffer> &buffer : buffers) {
		std::unique_ptr<Request> request = camera_->createRequest();
		ASSERT_TRUE(request) << "Can't create request";

		ASSERT_EQ(request->addBuffer(stream, buffer.get()), 0) << "Can't set buffer for request";

		ASSERT_EQ(camera_->queueRequest(request.get()), 0) << "Failed to queue request";

		requests.push_back(std::move(request));
	}

	/* Run capture session. */
	loop_ = new EventLoop();
	int status = loop_->exec();
	stop();
	delete loop_;

	ASSERT_EQ(status, 0);
}

void SimpleCaptureUnbalanced::requestComplete(Request *request)
{
	captureCount_++;
	if (captureCount_ >= captureLimit_) {
		loop_->exit(0);
		return;
	}

	request->reuse(Request::ReuseBuffers);
	if (camera_->queueRequest(request))
		loop_->exit(-EINVAL);
}
generated by cgit v1.2.1 (git 2.18.0) at 2025-03-02 00:27:01 +0000