NekoCWD/libcamera
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libcamera: CameraSensor: Enable retrieving supported test pattern modes

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This enables retrieving supported test pattern modes through
CameraSensorInfo.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Hirokazu Honda 2021-06-10 17:25:37 +09:00 • committed by Jacopo Mondi
parent 0b312cb4ac
commit 5d0eb40249
2 changed files with 41 additions and 0 deletions
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7
include/libcamera/internal/camera_sensor.h
View file

@ -39,6 +39,10 @@ public:
const std::vector<unsigned int> &mbusCodes() const { return mbusCodes_; }
const std::vector<Size> &sizes() const { return sizes_; }
Size resolution() const;
const std::vector<int32_t> &testPatternModes() const
{
return testPatternModes_;
}
V4L2SubdeviceFormat getFormat(const std::vector<unsigned int> &mbusCodes,
const Size &size) const;
@ -65,6 +69,8 @@ private:
int validateSensorDriver();
void initVimcDefaultProperties();
void initStaticProperties();
void initTestPatternModes(
const std::map<int32_t, int32_t> &testPatternModeMap);
int initProperties();
const MediaEntity *entity_;
@ -77,6 +83,7 @@ private:
V4L2Subdevice::Formats formats_;
std::vector<unsigned int> mbusCodes_;
std::vector<Size> sizes_;
std::vector<int32_t> testPatternModes_;
Size pixelArraySize_;
Rectangle activeArea_;

34
src/libcamera/camera_sensor.cpp
View file

@ -305,6 +305,32 @@ void CameraSensor::initStaticProperties()
/* Register the properties retrieved from the sensor database. */
properties_.set(properties::UnitCellSize, props->unitCellSize);
initTestPatternModes(props->testPatternModes);
}
void CameraSensor::initTestPatternModes(
const std::map<int32_t, int32_t> &testPatternModes)
{
const auto &v4l2TestPattern = controls().find(V4L2_CID_TEST_PATTERN);
if (v4l2TestPattern == controls().end()) {
LOG(CameraSensor, Debug) << "No static test pattern map for \'"
<< model() << "\'";
return;
}
for (const ControlValue &value : v4l2TestPattern->second.values()) {
const int32_t index = value.get<int32_t>();
const auto it = testPatternModes.find(index);
if (it == testPatternModes.end()) {
LOG(CameraSensor, Debug)
<< "Test pattern mode " << index << " ignored";
continue;
}
testPatternModes_.push_back(it->second);
}
}
int CameraSensor::initProperties()
@ -469,6 +495,14 @@ Size CameraSensor::resolution() const
return std::min(sizes_.back(), activeArea_.size());
}
/**
* \fn CameraSensor::testPatternModes()
* \brief Retrieve all the supported test pattern modes of the camera sensor
* The test pattern mode values correspond to the controls::TestPattern control.
*
* \return The list of test pattern modes
*/
/**
* \brief Retrieve the best sensor format for a desired output
* \param[in] mbusCodes The list of acceptable media bus codes