/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * controls.cpp - V4L2 device controls handling test */ #include #include #include #include #include "libcamera/internal/v4l2_videodevice.h" #include "v4l2_videodevice_test.h" /* These come from the vivid driver. */ #define VIVID_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000) #define VIVID_CID_INTEGER64 (VIVID_CID_CUSTOM_BASE + 3) #define VIVID_CID_U8_4D_ARRAY (VIVID_CID_CUSTOM_BASE + 10) /* Helper for VIVID_CID_U8_4D_ARRAY control array size: not from kernel. */ #define VIVID_CID_U8_ARRAY_SIZE (2 * 3 * 4 * 5) using namespace std; using namespace libcamera; class V4L2ControlTest : public V4L2VideoDeviceTest { public: V4L2ControlTest() : V4L2VideoDeviceTest("vivid", "vivid-000-vid-cap") { } protected: int run() { const ControlInfoMap &infoMap = capture_->controls(); /* Test control enumeration. */ if (infoMap.empty()) { cerr << "Failed to enumerate controls" << endl; return TestFail; } if (infoMap.find(V4L2_CID_BRIGHTNESS) == infoMap.end() || infoMap.find(V4L2_CID_CONTRAST) == infoMap.end() || infoMap.find(V4L2_CID_SATURATION) == infoMap.end() || infoMap.find(VIVID_CID_INTEGER64) == infoMap.end() || infoMap.find(VIVID_CID_U8_4D_ARRAY) == infoMap.end()) { cerr << "Missing controls" << endl; return TestFail; } const ControlInfo &brightness = infoMap.find(V4L2_CID_BRIGHTNESS)->second; const ControlInfo &contrast = infoMap.find(V4L2_CID_CONTRAST)->second; const ControlInfo &saturation = infoMap.find(V4L2_CID_SATURATION)->second; const ControlInfo &int64 = infoMap.find(VIVID_CID_INTEGER64)->second; const ControlInfo &u8 = infoMap.find(VIVID_CID_U8_4D_ARRAY)->second; /* Test getting controls. */ ControlList ctrls = capture_->getControls({ V4L2_CID_BRIGHTNESS, V4L2_CID_CONTRAST, V4L2_CID_SATURATION, VIVID_CID_INTEGER64, VIVID_CID_U8_4D_ARRAY }); if (ctrls.empty()) { cerr << "Failed to get controls" << endl; return TestFail; } if (ctrls.infoMap() != &infoMap) { cerr << "Incorrect infoMap for retrieved controls" << endl; return TestFail; } if (ctrls.get(V4L2_CID_BRIGHTNESS).get() == -1 || ctrls.get(V4L2_CID_CONTRAST).get() == -1 || ctrls.get(V4L2_CID_SATURATION).get() == -1) { cerr << "Incorrect value for retrieved controls" << endl; return TestFail; } /* * The VIVID_CID_INTEGER64 control can take any value, just test * that its value can be retrieved and has the right type. */ ctrls.get(VIVID_CID_INTEGER64).get(); uint8_t u8Min = u8.min().get(); uint8_t u8Max = u8.max().get(); Span u8Span = ctrls.get(VIVID_CID_U8_4D_ARRAY).get>(); bool valid = std::all_of(u8Span.begin(), u8Span.end(), [&](uint8_t v) { return v >= u8Min && v <= u8Max; }); if (!valid) { cerr << "Incorrect value for retrieved array control" << endl; return TestFail; } /* Test setting controls. */ ctrls.set(V4L2_CID_BRIGHTNESS, brightness.min()); ctrls.set(V4L2_CID_CONTRAST, contrast.max()); ctrls.set(V4L2_CID_SATURATION, saturation.min()); ctrls.set(VIVID_CID_INTEGER64, int64.min()); std::array u8Values; std::fill(u8Values.begin(), u8Values.end(), u8.min().get()); ctrls.set(VIVID_CID_U8_4D_ARRAY, Span(u8Values)); int ret = capture_->setControls(&ctrls); if (ret) { cerr << "Failed to set controls" << endl; return TestFail; } /* Test setting controls outside of range. */ ctrls.set(V4L2_CID_BRIGHTNESS, brightness.min().get() - 1); ctrls.set(V4L2_CID_CONTRAST, contrast.max().get() + 1); ctrls.set(V4L2_CID_SATURATION, saturation.min().get() + 1); ret = capture_->setControls(&ctrls); if (ret) { cerr << "Failed to set controls (out of range)" << endl; return TestFail; } if (ctrls.get(V4L2_CID_BRIGHTNESS) != brightness.min() || ctrls.get(V4L2_CID_CONTRAST) != contrast.max() || ctrls.get(V4L2_CID_SATURATION) != saturation.min().get() + 1) { cerr << "Controls not updated when set" << endl; return TestFail; } return TestPass; } }; TEST_REGISTER(V4L2ControlTest) d='n32' href='#n32'>32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2020, Raspberry Pi (Trading) Ltd.
 *
 * rpi_stream.h - Raspberry Pi device stream abstraction class.
 */

#pragma once

#include <queue>
#include <string>
#include <unordered_map>
#include <vector>

#include <libcamera/ipa/raspberrypi_ipa_interface.h>
#include <libcamera/stream.h>

#include "libcamera/internal/v4l2_videodevice.h"

namespace libcamera {

namespace RPi {

using BufferMap = std::unordered_map<unsigned int, FrameBuffer *>;

/*
 * Device stream abstraction for either an internal or external stream.
 * Used for both Unicam and the ISP.
 */
class Stream : public libcamera::Stream
{
public:
	Stream()
		: id_(ipa::RPi::MaskID)
	{
	}

	Stream(const char *name, MediaEntity *dev, bool importOnly = false)
		: external_(false), importOnly_(importOnly), name_(name),
		  dev_(std::make_unique<V4L2VideoDevice>(dev)), id_(ipa::RPi::MaskID)
	{
	}

	V4L2VideoDevice *dev() const;
	std::string name() const;
	bool isImporter() const;
	void resetBuffers();

	void setExternal(bool external);
	bool isExternal() const;

	void setExportedBuffers(std::vector<std::unique_ptr<FrameBuffer>> *buffers);
	const BufferMap &getBuffers() const;
	int getBufferId(FrameBuffer *buffer) const;

	void setExternalBuffer(FrameBuffer *buffer);