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https://git.libcamera.org/libcamera/libcamera.git
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207d57c8b4
The V4L2ControlInfo class only stores a ControlRange. Make it inherit from ControlRange to provide a convenience constructor from a struct v4l2_query_ext_ctrl and rename it to V4L2ControlRange. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* controls.cpp - V4L2 device controls handling test
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*/
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#include <climits>
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#include <iostream>
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#include "v4l2_videodevice.h"
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#include "v4l2_videodevice_test.h"
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using namespace std;
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using namespace libcamera;
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class V4L2ControlTest : public V4L2VideoDeviceTest
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{
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public:
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V4L2ControlTest()
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: V4L2VideoDeviceTest("vivid", "vivid-000-vid-cap")
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{
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}
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protected:
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int run()
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{
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const V4L2ControlInfoMap &info = capture_->controls();
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/* Test control enumeration. */
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if (info.empty()) {
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cerr << "Failed to enumerate controls" << endl;
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return TestFail;
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}
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if (info.find(V4L2_CID_BRIGHTNESS) == info.end() ||
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info.find(V4L2_CID_CONTRAST) == info.end() ||
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info.find(V4L2_CID_SATURATION) == info.end()) {
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cerr << "Missing controls" << endl;
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return TestFail;
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}
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const V4L2ControlRange &brightness = info.find(V4L2_CID_BRIGHTNESS)->second;
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const V4L2ControlRange &contrast = info.find(V4L2_CID_CONTRAST)->second;
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const V4L2ControlRange &saturation = info.find(V4L2_CID_SATURATION)->second;
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/* Test getting controls. */
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V4L2ControlList ctrls(info);
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ctrls.set(V4L2_CID_BRIGHTNESS, -1);
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ctrls.set(V4L2_CID_CONTRAST, -1);
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ctrls.set(V4L2_CID_SATURATION, -1);
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int ret = capture_->getControls(&ctrls);
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if (ret) {
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cerr << "Failed to get controls" << endl;
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return TestFail;
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}
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if (ctrls.get(V4L2_CID_BRIGHTNESS).get<int32_t>() == -1 ||
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ctrls.get(V4L2_CID_CONTRAST).get<int32_t>() == -1 ||
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ctrls.get(V4L2_CID_SATURATION).get<int32_t>() == -1) {
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cerr << "Incorrect value for retrieved controls" << endl;
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return TestFail;
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}
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/* Test setting controls. */
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ctrls.set(V4L2_CID_BRIGHTNESS, brightness.min());
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ctrls.set(V4L2_CID_CONTRAST, contrast.max());
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ctrls.set(V4L2_CID_SATURATION, saturation.min());
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ret = capture_->setControls(&ctrls);
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if (ret) {
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cerr << "Failed to set controls" << endl;
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return TestFail;
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}
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/* Test setting controls outside of range. */
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ctrls.set(V4L2_CID_BRIGHTNESS, brightness.min().get<int32_t>() - 1);
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ctrls.set(V4L2_CID_CONTRAST, contrast.max().get<int32_t>() + 1);
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ctrls.set(V4L2_CID_SATURATION, saturation.min().get<int32_t>() + 1);
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ret = capture_->setControls(&ctrls);
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if (ret) {
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cerr << "Failed to set controls (out of range)" << endl;
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return TestFail;
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}
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if (ctrls.get(V4L2_CID_BRIGHTNESS) != brightness.min() ||
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ctrls.get(V4L2_CID_CONTRAST) != contrast.max() ||
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ctrls.get(V4L2_CID_SATURATION) != saturation.min().get<int32_t>() + 1) {
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cerr << "Controls not updated when set" << endl;
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return TestFail;
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}
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return TestPass;
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}
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};
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TEST_REGISTER(V4L2ControlTest);
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