[v8,08/18] libcamera: software_isp: Create algorithms
diff mbox series

Message ID 20240927134624.801004-9-mzamazal@redhat.com
State Accepted
Commit 97f9961e1bc85bec29d3d3b1cba05f46d83f4c27
Headers show
Series
  • Software ISP refactoring
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Commit Message

Milan Zamazal Sept. 27, 2024, 1:46 p.m. UTC 
We are ready to introduce algorithms now.  First, let's create
algorithms.  The algorithms are not called yet, calls to them will be
added in followup patches.

The maximum number of contexts is set to the same value as in hardware
pipelines.

Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 src/ipa/simple/algorithms/meson.build |  4 ++++
 src/ipa/simple/data/uncalibrated.yaml |  1 +
 src/ipa/simple/meson.build            |  7 +++++--
 src/ipa/simple/soft_simple.cpp        | 14 ++++++++++++++
 4 files changed, 24 insertions(+), 2 deletions(-)
 create mode 100644 src/ipa/simple/algorithms/meson.build

Patch
diff mbox series 

diff --git a/src/ipa/simple/algorithms/meson.build b/src/ipa/simple/algorithms/meson.build
new file mode 100644
index 000000000..31d26e434
--- /dev/null
+++ b/src/ipa/simple/algorithms/meson.build
@@ -0,0 +1,4 @@ 
+# SPDX-License-Identifier: CC0-1.0
+
+soft_simple_ipa_algorithms = files([
+])
diff --git a/src/ipa/simple/data/uncalibrated.yaml b/src/ipa/simple/data/uncalibrated.yaml
index ff981a1a5..2cdc39a84 100644
--- a/src/ipa/simple/data/uncalibrated.yaml
+++ b/src/ipa/simple/data/uncalibrated.yaml
@@ -2,4 +2,5 @@ 
 %YAML 1.1
 ---
 version: 1
+algorithms:
 ...
diff --git a/src/ipa/simple/meson.build b/src/ipa/simple/meson.build
index 7757f99ba..dcd7c70a8 100644
--- a/src/ipa/simple/meson.build
+++ b/src/ipa/simple/meson.build
@@ -1,5 +1,8 @@ 
 # SPDX-License-Identifier: CC0-1.0
 
+subdir('algorithms')
+subdir('data')
+
 ipa_name = 'ipa_soft_simple'
 
 soft_simple_sources = files([
@@ -8,6 +11,8 @@  soft_simple_sources = files([
     'black_level.cpp',
 ])
 
+soft_simple_sources += soft_simple_ipa_algorithms
+
 mod = shared_module(ipa_name, soft_simple_sources,
                     name_prefix : '',
                     include_directories : [ipa_includes],
@@ -24,6 +29,4 @@  if ipa_sign_module
                   build_by_default : true)
 endif
 
-subdir('data')
-
 ipa_names += ipa_name
diff --git a/src/ipa/simple/soft_simple.cpp b/src/ipa/simple/soft_simple.cpp
index 12b5245ed..79ed4891b 100644
--- a/src/ipa/simple/soft_simple.cpp
+++ b/src/ipa/simple/soft_simple.cpp
@@ -54,12 +54,15 @@  static constexpr float kExposureOptimal = kExposureBinsCount / 2.0;
  * enough to prevent the exposure from wobbling around the optimal value.
  */
 static constexpr float kExposureSatisfactory = 0.2;
+/* Maximum number of frame contexts to be held */
+static constexpr uint32_t kMaxFrameContexts = 16;
 
 class IPASoftSimple : public ipa::soft::IPASoftInterface, public Module
 {
 public:
 	IPASoftSimple()
 		: params_(nullptr), stats_(nullptr), blackLevel_(BlackLevel()),
+		  context_({ {}, {}, { kMaxFrameContexts } }),
 		  ignoreUpdates_(0)
 	{
 	}
@@ -93,6 +96,8 @@  private:
 	static constexpr unsigned int kGammaLookupSize = 1024;
 	std::array<uint8_t, kGammaLookupSize> gammaTable_;
 	int lastBlackLevel_ = -1;
+	/* Local parameter storage */
+	struct IPAContext context_;
 
 	int32_t exposureMin_, exposureMax_;
 	int32_t exposure_;
@@ -139,6 +144,15 @@  int IPASoftSimple::init(const IPASettings &settings,
 	unsigned int version = (*data)["version"].get<uint32_t>(0);
 	LOG(IPASoft, Debug) << "Tuning file version " << version;
 
+	if (!data->contains("algorithms")) {
+		LOG(IPASoft, Error) << "Tuning file doesn't contain algorithms";
+		return -EINVAL;
+	}
+
+	int ret = createAlgorithms(context_, (*data)["algorithms"]);
+	if (ret)
+		return ret;
+
 	params_ = nullptr;
 	stats_ = nullptr;