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test: v4l2_videodevice: Test U8 array controls

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Test V4L2 array control using vivid control VIVID_CID_U8_4D_ARRAY.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Jacopo Mondi 2020-03-04 17:16:32 +01:00 • committed by Laurent Pinchart
parent 9b838b87c7
commit c153be4fec
1 changed files with 29 additions and 1 deletions
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30
test/v4l2_videodevice/controls.cpp
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@ -5,6 +5,8 @@
* controls.cpp - V4L2 device controls handling test
*/
#include <algorithm>
#include <array>
#include <iostream>
#include <limits.h>
@ -12,6 +14,13 @@
#include "v4l2_videodevice_test.h"
/* These come from the vivid driver. */
#define VIVID_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
#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;
@ -36,7 +45,8 @@ protected:
if (infoMap.find(V4L2_CID_BRIGHTNESS) == infoMap.end() ||
infoMap.find(V4L2_CID_CONTRAST) == infoMap.end() ||
infoMap.find(V4L2_CID_SATURATION) == infoMap.end()) {
infoMap.find(V4L2_CID_SATURATION) == infoMap.end() ||
infoMap.find(VIVID_CID_U8_4D_ARRAY) == infoMap.end()) {
cerr << "Missing controls" << endl;
return TestFail;
}
@ -44,12 +54,14 @@ protected:
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 &u8 = infoMap.find(VIVID_CID_U8_4D_ARRAY)->second;
/* Test getting controls. */
ControlList ctrls(infoMap);
ctrls.set(V4L2_CID_BRIGHTNESS, -1);
ctrls.set(V4L2_CID_CONTRAST, -1);
ctrls.set(V4L2_CID_SATURATION, -1);
ctrls.set(VIVID_CID_U8_4D_ARRAY, 0);
int ret = capture_->getControls(&ctrls);
if (ret) {
@ -64,11 +76,27 @@ protected:
return TestFail;
}
uint8_t u8Min = u8.min().get<uint8_t>();
uint8_t u8Max = u8.max().get<uint8_t>();
Span<const uint8_t> u8Span = ctrls.get(VIVID_CID_U8_4D_ARRAY).get<Span<const uint8_t>>();
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());
std::array<uint8_t, VIVID_CID_U8_ARRAY_SIZE> u8Values;
std::fill(u8Values.begin(), u8Values.end(), u8.min().get<uint8_t>());
ctrls.set(VIVID_CID_U8_4D_ARRAY, Span<const uint8_t>(u8Values));
ret = capture_->setControls(&ctrls);
if (ret) {
cerr << "Failed to set controls" << endl;