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-rw-r--r--src/ipa/ipu3/algorithms/agc.cpp11
-rw-r--r--src/ipa/ipu3/algorithms/agc.h4
-rw-r--r--src/ipa/ipu3/ipa_context.cpp26
-rw-r--r--src/ipa/ipu3/ipa_context.h14
-rw-r--r--src/ipa/ipu3/ipu3.cpp24
5 files changed, 57 insertions, 22 deletions
diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp
index 383a8deb..f16be534 100644
--- a/src/ipa/ipu3/algorithms/agc.cpp
+++ b/src/ipa/ipu3/algorithms/agc.cpp
@@ -183,14 +183,13 @@ utils::Duration Agc::filterExposure(utils::Duration exposureValue)
* \param[in] yGain The gain calculated based on the relative luminance target
* \param[in] iqMeanGain The gain calculated based on the relative luminance target
*/
-void Agc::computeExposure(IPAContext &context, double yGain,
- double iqMeanGain)
+void Agc::computeExposure(IPAContext &context, IPAFrameContext *frameContext,
+ double yGain, double iqMeanGain)
{
const IPASessionConfiguration &configuration = context.configuration;
- IPAFrameContext &frameContext = context.frameContext;
/* Get the effective exposure and gain applied on the sensor. */
- uint32_t exposure = frameContext.sensor.exposure;
- double analogueGain = frameContext.sensor.gain;
+ uint32_t exposure = frameContext->sensor.exposure;
+ double analogueGain = frameContext->sensor.gain;
/* Use the highest of the two gain estimates. */
double evGain = std::max(yGain, iqMeanGain);
@@ -360,7 +359,7 @@ void Agc::process(IPAContext &context, [[maybe_unused]] IPAFrameContext *frameCo
break;
}
- computeExposure(context, yGain, iqMeanGain);
+ computeExposure(context, frameContext, yGain, iqMeanGain);
frameCount_++;
}
diff --git a/src/ipa/ipu3/algorithms/agc.h b/src/ipa/ipu3/algorithms/agc.h
index 219a1a96..105ae0f2 100644
--- a/src/ipa/ipu3/algorithms/agc.h
+++ b/src/ipa/ipu3/algorithms/agc.h
@@ -35,8 +35,8 @@ private:
double measureBrightness(const ipu3_uapi_stats_3a *stats,
const ipu3_uapi_grid_config &grid) const;
utils::Duration filterExposure(utils::Duration currentExposure);
- void computeExposure(IPAContext &context, double yGain,
- double iqMeanGain);
+ void computeExposure(IPAContext &context, IPAFrameContext *frameContext,
+ double yGain, double iqMeanGain);
double estimateLuminance(IPAActiveState &activeState,
const ipu3_uapi_grid_config &grid,
const ipu3_uapi_stats_3a *stats,
diff --git a/src/ipa/ipu3/ipa_context.cpp b/src/ipa/ipu3/ipa_context.cpp
index 383c2e37..13cdb835 100644
--- a/src/ipa/ipu3/ipa_context.cpp
+++ b/src/ipa/ipu3/ipa_context.cpp
@@ -58,13 +58,11 @@ namespace libcamera::ipa::ipu3 {
* \var IPAContext::configuration
* \brief The IPA session configuration, immutable during the session
*
- * \var IPAContext::frameContext
- * \brief The frame context for the frame being processed
+ * \var IPAContext::frameContexts
+ * \brief Ring buffer of the IPAFrameContext(s)
*
* \var IPAContext::activeState
* \brief The current state of IPA algorithms
- *
- * \todo The frame context needs to be turned into real per-frame data storage.
*/
/**
@@ -183,6 +181,26 @@ namespace libcamera::ipa::ipu3 {
*/
/**
+ * \brief Default constructor for IPAFrameContext
+ */
+IPAFrameContext::IPAFrameContext() = default;
+
+/**
+ * \brief Construct a IPAFrameContext instance
+ */
+IPAFrameContext::IPAFrameContext(uint32_t id, const ControlList &reqControls)
+ : frame(id), frameControls(reqControls)
+{
+ sensor = {};
+}
+
+/**
+ * \var IPAFrameContext::frame
+ * \brief The frame number
+ *
+ * \var IPAFrameContext::frameControls
+ * \brief Controls sent in by the application while queuing the request
+ *
* \var IPAFrameContext::sensor
* \brief Effective sensor values that were applied for the frame
*
diff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h
index 8d681131..42e11141 100644
--- a/src/ipa/ipu3/ipa_context.h
+++ b/src/ipa/ipu3/ipa_context.h
@@ -8,16 +8,22 @@
#pragma once
+#include <array>
+
#include <linux/intel-ipu3.h>
#include <libcamera/base/utils.h>
+#include <libcamera/controls.h>
#include <libcamera/geometry.h>
namespace libcamera {
namespace ipa::ipu3 {
+/* Maximum number of frame contexts to be held */
+static constexpr uint32_t kMaxFrameContexts = 16;
+
struct IPASessionConfiguration {
struct {
ipu3_uapi_grid_config bdsGrid;
@@ -71,17 +77,23 @@ struct IPAActiveState {
};
struct IPAFrameContext {
+ IPAFrameContext();
+ IPAFrameContext(uint32_t id, const ControlList &reqControls);
+
struct {
uint32_t exposure;
double gain;
} sensor;
+
+ uint32_t frame;
+ ControlList frameControls;
};
struct IPAContext {
IPASessionConfiguration configuration;
IPAActiveState activeState;
- IPAFrameContext frameContext;
+ std::array<IPAFrameContext, kMaxFrameContexts> frameContexts;
};
} /* namespace ipa::ipu3 */
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index 16e5028f..2f6bb672 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -313,7 +313,7 @@ int IPAIPU3::init(const IPASettings &settings,
}
/* Clean context */
- context_ = {};
+ context_.configuration = {};
context_.configuration.sensor.lineDuration = sensorInfo.lineLength * 1.0s / sensorInfo.pixelRate;
/* Construct our Algorithms */
@@ -456,7 +456,8 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,
/* Clean IPAActiveState at each reconfiguration. */
context_.activeState = {};
- context_.frameContext = {};
+ IPAFrameContext initFrameContext;
+ context_.frameContexts.fill(initFrameContext);
if (!validateSensorControls()) {
LOG(IPAIPU3, Error) << "Sensor control validation failed.";
@@ -568,15 +569,20 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
const ipu3_uapi_stats_3a *stats =
reinterpret_cast<ipu3_uapi_stats_3a *>(mem.data());
- 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>());
+ IPAFrameContext &frameContext = context_.frameContexts[frame % kMaxFrameContexts];
+
+ if (frameContext.frame != frame)
+ LOG(IPAIPU3, Warning) << "Frame " << frame << " does not match its frame context";
+
+ frameContext.sensor.exposure = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
+ frameContext.sensor.gain = camHelper_->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());
double lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();
int32_t vBlank = context_.configuration.sensor.defVBlank;
ControlList ctrls(controls::controls);
for (auto const &algo : algorithms_)
- algo->process(context_, nullptr, stats);
+ algo->process(context_, &frameContext, stats);
setControls(frame);
@@ -584,11 +590,11 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
int64_t frameDuration = (vBlank + sensorInfo_.outputSize.height) * lineDuration;
ctrls.set(controls::FrameDuration, frameDuration);
- ctrls.set(controls::AnalogueGain, context_.frameContext.sensor.gain);
+ ctrls.set(controls::AnalogueGain, frameContext.sensor.gain);
ctrls.set(controls::ColourTemperature, context_.activeState.awb.temperatureK);
- ctrls.set(controls::ExposureTime, context_.frameContext.sensor.exposure * lineDuration);
+ ctrls.set(controls::ExposureTime, frameContext.sensor.exposure * lineDuration);
/*
* \todo The Metadata provides a path to getting extended data
@@ -609,10 +615,10 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
* Parse the request to handle any IPA-managed controls that were set from the
* application such as manual sensor settings.
*/
-void IPAIPU3::queueRequest([[maybe_unused]] const uint32_t frame,
- [[maybe_unused]] const ControlList &controls)
+void IPAIPU3::queueRequest(const uint32_t frame, const ControlList &controls)
{
/* \todo Start processing for 'frame' based on 'controls'. */
+ context_.frameContexts[frame % kMaxFrameContexts] = { frame, controls };
}
/**
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-03 00:50:41 +0000