[libcamera-devel] [PATCH v4 3/3] ipa: ipu3: Ensure controls exists in before they are queried
Umang Jain
umang.jain at ideasonboard.com
Fri Mar 25 11:34:10 CET 2022
Add a validation check for sensor controls validateSensorControls()
before they are queried in IPAIPU3::updateSessionConfiguration().
Fail the IPAIPU3::configure() if the required sensor controls are
not found.
Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>
---
src/ipa/ipu3/ipu3.cpp | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index 3717d893..50b52d8b 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -155,6 +155,7 @@ private:
void parseStatistics(unsigned int frame,
int64_t frameTimestamp,
const ipu3_uapi_stats_3a *stats);
+ bool validateSensorControls();
void setControls(unsigned int frame);
void calculateBdsGrid(const Size &bdsOutputSize);
@@ -268,6 +269,28 @@ void IPAIPU3::updateControls(const IPACameraSensorInfo &sensorInfo,
*ipaControls = ControlInfoMap(std::move(controls), controls::controls);
}
+/**
+ * \brief Validate that the sensor controls mandatory for the IPA exists
+ */
+bool IPAIPU3::validateSensorControls()
+{
+ static const uint32_t ctrls[] = {
+ V4L2_CID_ANALOGUE_GAIN,
+ V4L2_CID_EXPOSURE,
+ V4L2_CID_VBLANK,
+ };
+
+ for (auto c : ctrls) {
+ if (sensorCtrls_.find(c) == sensorCtrls_.end()) {
+ LOG(IPAIPU3, Error) << "Unable to find sensor control "
+ << utils::hex(c);
+ return false;
+ }
+ }
+
+ return true;
+}
+
/**
* \brief Initialize the IPA module and its controls
*
@@ -433,6 +456,11 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,
/* Clean frameContext at each reconfiguration. */
context_.frameContext = {};
+ if (!validateSensorControls()) {
+ LOG(IPAIPU3, Error) << "Sensor control validation failed.";
+ return -EINVAL;
+ }
+
/* Update the camera controls using the new sensor settings. */
updateControls(sensorInfo_, sensorCtrls_, ipaControls);
--
2.31.1
More information about the libcamera-devel
mailing list