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-rw-r--r--src/ipa/ipu3/algorithms/algorithm.h12
-rw-r--r--src/ipa/ipu3/algorithms/awb.cpp9
-rw-r--r--src/ipa/ipu3/algorithms/meson.build1
-rw-r--r--src/ipa/libipa/algorithm.cpp (renamed from src/ipa/ipu3/algorithms/algorithm.cpp)38
-rw-r--r--src/ipa/libipa/algorithm.h38
-rw-r--r--src/ipa/libipa/meson.build1
6 files changed, 67 insertions, 32 deletions
diff --git a/src/ipa/ipu3/algorithms/algorithm.h b/src/ipa/ipu3/algorithms/algorithm.h
index 16310ab1..d2eecc78 100644
--- a/src/ipa/ipu3/algorithms/algorithm.h
+++ b/src/ipa/ipu3/algorithms/algorithm.h
@@ -9,21 +9,15 @@
#include <libcamera/ipa/ipu3_ipa_interface.h>
+#include <libipa/algorithm.h>
+
#include "ipa_context.h"
namespace libcamera {
namespace ipa::ipu3 {
-class Algorithm
-{
-public:
- virtual ~Algorithm() {}
-
- virtual int configure(IPAContext &context, const IPAConfigInfo &configInfo);
- virtual void prepare(IPAContext &context, ipu3_uapi_params *params);
- virtual void process(IPAContext &context, const ipu3_uapi_stats_3a *stats);
-};
+using Algorithm = libcamera::ipa::Algorithm<IPAContext, IPAConfigInfo, ipu3_uapi_params, ipu3_uapi_stats_3a>;
} /* namespace ipa::ipu3 */
diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp
index c7bcb20e..1dc27fc9 100644
--- a/src/ipa/ipu3/algorithms/awb.cpp
+++ b/src/ipa/ipu3/algorithms/awb.cpp
@@ -193,6 +193,9 @@ Awb::Awb()
Awb::~Awb() = default;
+/**
+ * \copydoc libcamera::ipa::Algorithm::configure
+ */
int Awb::configure(IPAContext &context,
[[maybe_unused]] const IPAConfigInfo &configInfo)
{
@@ -373,6 +376,9 @@ void Awb::calculateWBGains(const ipu3_uapi_stats_3a *stats)
}
}
+/**
+ * \copydoc libcamera::ipa::Algorithm::process
+ */
void Awb::process(IPAContext &context, const ipu3_uapi_stats_3a *stats)
{
calculateWBGains(stats);
@@ -394,6 +400,9 @@ constexpr uint16_t Awb::threshold(float value)
return value * 8191;
}
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
void Awb::prepare(IPAContext &context, ipu3_uapi_params *params)
{
/*
diff --git a/src/ipa/ipu3/algorithms/meson.build b/src/ipa/ipu3/algorithms/meson.build
index 3ec42f72..4db6ae1d 100644
--- a/src/ipa/ipu3/algorithms/meson.build
+++ b/src/ipa/ipu3/algorithms/meson.build
@@ -2,7 +2,6 @@
ipu3_ipa_algorithms = files([
'agc.cpp',
- 'algorithm.cpp',
'awb.cpp',
'blc.cpp',
'tone_mapping.cpp',
diff --git a/src/ipa/ipu3/algorithms/algorithm.cpp b/src/ipa/libipa/algorithm.cpp
index 3e7e3018..398d5372 100644
--- a/src/ipa/ipu3/algorithms/algorithm.cpp
+++ b/src/ipa/libipa/algorithm.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * algorithm.cpp - IPU3 control algorithm interface
+ * algorithm.cpp - IPA control algorithm interface
*/
#include "algorithm.h"
@@ -14,11 +14,15 @@
namespace libcamera {
-namespace ipa::ipu3 {
+namespace ipa {
/**
* \class Algorithm
- * \brief The base class for all IPU3 algorithms
+ * \brief The base class for all IPA algorithms
+ * \tparam Context The type of shared IPA context
+ * \tparam Config The type of the IPA configuration data
+ * \tparam Params The type of the ISP specific parameters
+ * \tparam Stats The type of the IPA statistics and ISP results
*
* The Algorithm class defines a standard interface for IPA algorithms. By
* abstracting algorithms, it makes possible the implementation of generic code
@@ -26,6 +30,7 @@ namespace ipa::ipu3 {
*/
/**
+ * \fn Algorithm::configure()
* \brief Configure the Algorithm given an IPAConfigInfo
* \param[in] context The shared IPA context
* \param[in] configInfo The IPA configuration data, received from the pipeline
@@ -39,37 +44,30 @@ namespace ipa::ipu3 {
*
* \return 0 if successful, an error code otherwise
*/
-int Algorithm::configure([[maybe_unused]] IPAContext &context,
- [[maybe_unused]] const IPAConfigInfo &configInfo)
-{
- return 0;
-}
/**
+ * \fn Algorithm::prepare()
* \brief Fill the \a params buffer with ISP processing parameters for a frame
* \param[in] context The shared IPA context
- * \param[out] params The IPU3 specific parameters.
+ * \param[out] params The ISP specific parameters.
*
* This function is called for every frame when the camera is running before it
- * is processed by the ImgU to prepare the ImgU processing parameters for that
+ * is processed by the ISP to prepare the ISP processing parameters for that
* frame.
*
* Algorithms shall fill in the parameter structure fields appropriately to
- * configure the ImgU processing blocks that they are responsible for. This
+ * configure the ISP processing blocks that they are responsible for. This
* includes setting fields and flags that enable those processing blocks.
*/
-void Algorithm::prepare([[maybe_unused]] IPAContext &context,
- [[maybe_unused]] ipu3_uapi_params *params)
-{
-}
/**
+ * \fn Algorithm::process()
* \brief Process ISP statistics, and run algorithm operations
* \param[in] context The shared IPA context
- * \param[in] stats The IPU3 statistics and ISP results
+ * \param[in] stats The IPA statistics and ISP results
*
* This function is called while camera is running for every frame processed by
- * the ImgU, to process statistics generated from that frame by the ImgU.
+ * the ISP, to process statistics generated from that frame by the ISP.
* Algorithms shall use this data to run calculations and update their state
* accordingly.
*
@@ -91,11 +89,7 @@ void Algorithm::prepare([[maybe_unused]] IPAContext &context,
* Care shall be taken to ensure the ordering of access to the information
* such that the algorithms use up to date state as required.
*/
-void Algorithm::process([[maybe_unused]] IPAContext &context,
- [[maybe_unused]] const ipu3_uapi_stats_3a *stats)
-{
-}
-} /* namespace ipa::ipu3 */
+} /* namespace ipa */
} /* namespace libcamera */
diff --git a/src/ipa/libipa/algorithm.h b/src/ipa/libipa/algorithm.h
new file mode 100644
index 00000000..766aee5d
--- /dev/null
+++ b/src/ipa/libipa/algorithm.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021, Ideas On Board
+ *
+ * algorithm.h - ISP control algorithm interface
+ */
+#pragma once
+
+namespace libcamera {
+
+namespace ipa {
+
+template<typename Context, typename Config, typename Params, typename Stats>
+class Algorithm
+{
+public:
+ virtual ~Algorithm() {}
+
+ virtual int configure([[maybe_unused]] Context &context,
+ [[maybe_unused]] const Config &configInfo)
+ {
+ return 0;
+ }
+
+ virtual void prepare([[maybe_unused]] Context &context,
+ [[maybe_unused]] Params *params)
+ {
+ }
+
+ virtual void process([[maybe_unused]] Context &context,
+ [[maybe_unused]] const Stats *stats)
+ {
+ }
+};
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/src/ipa/libipa/meson.build b/src/ipa/libipa/meson.build
index 4d073a03..161cc5a1 100644
--- a/src/ipa/libipa/meson.build
+++ b/src/ipa/libipa/meson.build
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: CC0-1.0
libipa_headers = files([
+ 'algorithm.h',
'camera_sensor_helper.h',
'histogram.h'
])