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-rw-r--r--include/libcamera/internal/software_isp/meson.build1
-rw-r--r--include/libcamera/internal/software_isp/software_isp.h99
2 files changed, 100 insertions, 0 deletions
diff --git a/include/libcamera/internal/software_isp/meson.build b/include/libcamera/internal/software_isp/meson.build
index a620e16d..508ddddc 100644
--- a/include/libcamera/internal/software_isp/meson.build
+++ b/include/libcamera/internal/software_isp/meson.build
@@ -2,5 +2,6 @@
libcamera_internal_headers += files([
'debayer_params.h',
+ 'software_isp.h',
'swisp_stats.h',
])
diff --git a/include/libcamera/internal/software_isp/software_isp.h b/include/libcamera/internal/software_isp/software_isp.h
new file mode 100644
index 00000000..42e96dcf
--- /dev/null
+++ b/include/libcamera/internal/software_isp/software_isp.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2023, Linaro Ltd
+ *
+ * software_isp.h - Simple software ISP implementation
+ */
+
+#pragma once
+
+#include <functional>
+#include <initializer_list>
+#include <map>
+#include <memory>
+#include <string>
+#include <tuple>
+#include <vector>
+
+#include <libcamera/base/class.h>
+#include <libcamera/base/log.h>
+#include <libcamera/base/signal.h>
+#include <libcamera/base/thread.h>
+
+#include <libcamera/geometry.h>
+#include <libcamera/pixel_format.h>
+
+#include <libcamera/ipa/soft_ipa_interface.h>
+#include <libcamera/ipa/soft_ipa_proxy.h>
+
+#include "libcamera/internal/camera_sensor.h"
+#include "libcamera/internal/dma_heaps.h"
+#include "libcamera/internal/pipeline_handler.h"
+#include "libcamera/internal/shared_mem_object.h"
+#include "libcamera/internal/software_isp/debayer_params.h"
+
+namespace libcamera {
+
+class DebayerCpu;
+class FrameBuffer;
+class PixelFormat;
+struct StreamConfiguration;
+
+LOG_DECLARE_CATEGORY(SoftwareIsp)
+
+class SoftwareIsp
+{
+public:
+ SoftwareIsp(PipelineHandler *pipe, const CameraSensor *sensor);
+ ~SoftwareIsp();
+
+ int loadConfiguration([[maybe_unused]] const std::string &filename) { return 0; }
+
+ bool isValid() const;
+
+ std::vector<PixelFormat> formats(PixelFormat input);
+
+ SizeRange sizes(PixelFormat inputFormat, const Size &inputSize);
+
+ std::tuple<unsigned int, unsigned int>
+ strideAndFrameSize(const PixelFormat &outputFormat, const Size &size);
+
+ int configure(const StreamConfiguration &inputCfg,
+ const std::vector<std::reference_wrapper<StreamConfiguration>> &outputCfgs,
+ const ControlInfoMap &sensorControls);
+
+ int exportBuffers(unsigned int output, unsigned int count,
+ std::vector<std::unique_ptr<FrameBuffer>> *buffers);
+
+ void processStats(const ControlList &sensorControls);
+
+ int start();
+ void stop();
+
+ int queueBuffers(FrameBuffer *input,
+ const std::map<unsigned int, FrameBuffer *> &outputs);
+
+ void process(FrameBuffer *input, FrameBuffer *output);
+
+ Signal<FrameBuffer *> inputBufferReady;
+ Signal<FrameBuffer *> outputBufferReady;
+ Signal<> ispStatsReady;
+ Signal<const ControlList &> setSensorControls;
+
+private:
+ void saveIspParams();
+ void setSensorCtrls(const ControlList &sensorControls);
+ void statsReady();
+ void inputReady(FrameBuffer *input);
+ void outputReady(FrameBuffer *output);
+
+ std::unique_ptr<DebayerCpu> debayer_;
+ Thread ispWorkerThread_;
+ SharedMemObject<DebayerParams> sharedParams_;
+ DebayerParams debayerParams_;
+ DmaHeap dmaHeap_;
+
+ std::unique_ptr<ipa::soft::IPAProxySoft> ipa_;
+};
+
+} /* namespace libcamera */