[libcamera-devel] [PATCH v4 4/6] libcamera: CameraSensor: Enable retrieving supported test pattern modes
Hirokazu Honda
hiroh at chromium.org
Thu May 6 09:54:47 CEST 2021
This enables retrieving supported test pattern modes through
CameraSensorInfo.
Signed-off-by: Hirokazu Honda <hiroh at chromium.org>
---
include/libcamera/internal/camera_sensor.h | 5 ++++
src/libcamera/camera_sensor.cpp | 28 ++++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/include/libcamera/internal/camera_sensor.h b/include/libcamera/internal/camera_sensor.h
index 3fa3a419..115e266d 100644
--- a/include/libcamera/internal/camera_sensor.h
+++ b/include/libcamera/internal/camera_sensor.h
@@ -38,6 +38,8 @@ struct CameraSensorInfo {
uint32_t minFrameLength;
uint32_t maxFrameLength;
+
+ std::vector<int32_t> testPatternModes;
};
class CameraSensor : protected Loggable
@@ -79,6 +81,8 @@ private:
void initVimcDefaultProperties();
void initStaticProperties();
int initProperties();
+ void initTestPatternModes(
+ const std::map<int32_t, int32_t> &testPatternModeMap);
const MediaEntity *entity_;
std::unique_ptr<V4L2Subdevice> subdev_;
@@ -90,6 +94,7 @@ private:
V4L2Subdevice::Formats formats_;
std::vector<unsigned int> mbusCodes_;
std::vector<Size> sizes_;
+ std::vector<int32_t> testPatternModes_;
Size pixelArraySize_;
Rectangle activeArea_;
diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
index 1db263cf..eedd2f89 100644
--- a/src/libcamera/camera_sensor.cpp
+++ b/src/libcamera/camera_sensor.cpp
@@ -408,6 +408,32 @@ void CameraSensor::initVimcDefaultProperties()
activeArea_ = Rectangle(pixelArraySize_);
}
+void CameraSensor::initTestPatternModes(
+ const std::map<int32_t, int32_t> &testPatternModeMap)
+{
+ 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 = testPatternModeMap.find(index);
+ if (it != testPatternModeMap.end()) {
+ LOG(CameraSensor, Debug) << "Test pattern mode (index="
+ << index << ") ignored";
+ continue;
+ }
+
+ LOG(CameraSensor, Debug) << "Test pattern mode (index="
+ << index << ") added";
+ testPatternModes_.push_back(it->second);
+ }
+}
+
void CameraSensor::initStaticProperties()
{
const CameraSensorProperties *props = CameraSensorProperties::get(model_);
@@ -416,6 +442,8 @@ void CameraSensor::initStaticProperties()
/* Register the properties retrieved from the sensor database. */
properties_.set(properties::UnitCellSize, props->unitCellSize);
+
+ initTestPatternModes(props->testPatternModeMap);
}
int CameraSensor::initProperties()
--
2.31.1.607.g51e8a6a459-goog
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