/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi (Trading) Limited * * histogram.hpp - histogram calculation interface */ #pragma once #include #include #include // A simple histogram class, for use in particular to find "quantiles" and // averages between "quantiles". namespace RPiController { class Histogram { public: template Histogram(T *histogram, int num) { assert(num); cumulative_.reserve(num + 1); cumulative_.push_back(0); for (int i = 0; i < num; i++) cumulative_.push_back(cumulative_.back() + histogram[i]); } uint32_t Bins() const { return cumulative_.size() - 1; } uint64_t Total() const { return cumulative_[cumulative_.size() - 1]; } // Cumulative frequency up to a (fractional) point in a bin. uint64_t CumulativeFreq(double bin) const; // Return the (fractional) bin of the point q (0 <= q <= 1) through the // histogram. Optionally provide limits to help. double Quantile(double q, int first = -1, int last = -1) const; // Return the average histogram bin value between the two quantiles. double InterQuantileMean(double q_lo, double q_hi) const; private: std::vector cumulative_; }; } // namespace RPiController 624e6a825aebf171dc1cbe6f2d8d6dde867e'>refslogtreecommitdiff
path: root/src/android/camera_request.h
blob: 37b6ae326f3e9576a322828ca7a9bf87bb1c3373 (plain) 
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019-2021, Google Inc.
 *
 * camera_request.h - libcamera Android Camera Request Descriptor
 */

#pragma once

#include <map>
#include <memory>
#include <vector>

#include <libcamera/base/class.h>
#include <libcamera/base/mutex.h>
#include <libcamera/base/unique_fd.h>

#include <libcamera/camera.h>
#include <libcamera/framebuffer.h>

#include <hardware/camera3.h>

#include "camera_metadata.h"

class CameraBuffer;
class CameraStream;

class Camera3RequestDescriptor
{
public:
	enum class Status {
		Success,
		Error,
	};

	struct StreamBuffer {
		StreamBuffer(CameraStream *stream,
			     const camera3_stream_buffer_t &buffer,
			     Camera3RequestDescriptor *request);
		~StreamBuffer();