[libcamera-devel] [PATCH v5 3/6] ipa: ipu3: Inline parseStatistics() into processStatsBuffer()

Umang Jain umang.jain at ideasonboard.com
Wed Apr 6 16:17:06 CEST 2022


Since we have moved away from switch/case on the operation ID,
there's little reason to split the operation in two functions.

Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
 src/ipa/ipu3/ipu3.cpp | 54 +++++++++++++++----------------------------
 1 file changed, 19 insertions(+), 35 deletions(-)

diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index 8c9a20f5..569c1311 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -156,9 +156,6 @@ private:
 			    ControlInfoMap *ipaControls);
 	void updateSessionConfiguration(const ControlInfoMap &sensorControls);
 
-	void parseStatistics(unsigned int frame,
-			     int64_t frameTimestamp,
-			     const ipu3_uapi_stats_3a *stats);
 	bool validateSensorControls();
 
 	void setControls(unsigned int frame);
@@ -546,11 +543,15 @@ void IPAIPU3::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
 }
 
 /**
- * \brief Process statistics after ISP completion
+ * \brief Process the statistics generated by the ImgU
  * \param[in] frame The frame number
  * \param[in] frameTimestamp Timestamp of the frame
  * \param[in] bufferId ID of the statistics buffer
  * \param[in] sensorControls Sensor controls
+ *
+ * Parse the most recently processed image statistics from the ImgU. The
+ * statistics are passed to each algorithm module to run their calculations and
+ * update their state accordingly.
  */
 void IPAIPU3::processStatsBuffer(const uint32_t frame, const int64_t frameTimestamp,
 				 const uint32_t bufferId, const ControlList &sensorControls)
@@ -568,37 +569,6 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame, const int64_t frameTimest
 	context_.frameContext.sensor.exposure = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
 	context_.frameContext.sensor.gain = camHelper_->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());
 
-	parseStatistics(frame, frameTimestamp, stats);
-}
-
-/**
- * \brief Queue a request and process the control list from the application
- * \param[in] frame The number of the frame which will be processed next
- * \param[in] controls The controls for the \a frame
- *
- * Parse the request to handle any IPA-managed controls that were set from the
- * application such as manual sensor settings.
- */
-void IPAIPU3::queueRequest(const uint32_t frame,
-			   [[maybe_unused]] const ControlList &controls)
-{
-	/* \todo Start processing for 'frame' based on 'controls'. */
-}
-
-/**
- * \brief Process the statistics generated by the ImgU
- * \param[in] frame The number of the latest frame processed
- * \param[in] frameTimestamp The current frame timestamp
- * \param[in] stats The IPU3 statistics and ISP results
- *
- * Parse the most recently processed image statistics from the ImgU. The
- * statistics are passed to each algorithm module to run their calculations and
- * update their state accordingly.
- */
-void IPAIPU3::parseStatistics(unsigned int frame,
-			      [[maybe_unused]] int64_t frameTimestamp,
-			      const ipu3_uapi_stats_3a *stats)
-{
 	double lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();
 	int32_t vBlank = context_.configuration.sensor.defVBlank;
 	ControlList ctrls(controls::controls);
@@ -629,6 +599,20 @@ void IPAIPU3::parseStatistics(unsigned int frame,
 	metadataReady.emit(frame, ctrls);
 }
 
+/**
+ * \brief Queue a request and process the control list from the application
+ * \param[in] frame The number of the frame which will be processed next
+ * \param[in] controls The controls for the \a frame
+ *
+ * Parse the request to handle any IPA-managed controls that were set from the
+ * application such as manual sensor settings.
+ */
+void IPAIPU3::queueRequest(const uint32_t frame,
+			   [[maybe_unused]] const ControlList &controls)
+{
+	/* \todo Start processing for 'frame' based on 'controls'. */
+}
+
 /**
  * \brief Handle sensor controls for a given \a frame number
  * \param[in] frame The frame on which the sensor controls should be set
-- 
2.31.0



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