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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* ipa_vimc.cpp - Vimc Image Processing Algorithm module
*/
#include <libcamera/ipa/vimc_ipa_interface.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <iostream>
#include <libcamera/base/file.h>
#include <libcamera/base/log.h>
#include <libcamera/ipa/ipa_interface.h>
#include <libcamera/ipa/ipa_module_info.h>
#include "libcamera/internal/mapped_framebuffer.h"
namespace libcamera {
LOG_DEFINE_CATEGORY(IPAVimc)
class IPAVimc : public ipa::vimc::IPAVimcInterface
{
public:
IPAVimc();
~IPAVimc();
int init(const IPASettings &settings,
const ipa::vimc::IPAOperationCode code,
const Flags<ipa::vimc::TestFlag> inFlags,
Flags<ipa::vimc::TestFlag> *outFlags) override;
int start() override;
void stop() override;
int configure(const IPACameraSensorInfo &sensorInfo,
const std::map<unsigned int, IPAStream> &streamConfig,
const std::map<unsigned int, ControlInfoMap> &entityControls) override;
void mapBuffers(const std::vector<IPABuffer> &buffers) override;
void unmapBuffers(const std::vector<unsigned int> &ids) override;
void queueRequest(uint32_t frame, const ControlList &controls) override;
void fillParamsBuffer(uint32_t frame, uint32_t bufferId) override;
private:
void initTrace();
void trace(enum ipa::vimc::IPAOperationCode operation);
int fd_;
std::map<unsigned int, MappedFrameBuffer> buffers_;
};
IPAVimc::IPAVimc()
: fd_(-1)
{
initTrace();
}
IPAVimc::~IPAVimc()
{
if (fd_ != -1)
::close(fd_);
}
int IPAVimc::init(const IPASettings &settings,
const ipa::vimc::IPAOperationCode code,
const Flags<ipa::vimc::TestFlag> inFlags,
Flags<ipa::vimc::TestFlag> *outFlags)
{
trace(ipa::vimc::IPAOperationInit);
LOG(IPAVimc, Debug)
<< "initializing vimc IPA with configuration file "
<< settings.configurationFile;
LOG(IPAVimc, Debug) << "Got opcode " << code;
LOG(IPAVimc, Debug)
<< "Flag 2 was "
<< (inFlags & ipa::vimc::TestFlag::Flag2 ? "" : "not ")
<< "set";
*outFlags |= ipa::vimc::TestFlag::Flag1;
File conf(settings.configurationFile);
if (!conf.open(File::OpenModeFlag::ReadOnly)) {
LOG(IPAVimc, Error) << "Failed to open configuration file";
return -EINVAL;
}
return 0;
}
int IPAVimc::start()
{
trace(ipa::vimc::IPAOperationStart);
LOG(IPAVimc, Debug) << "start vimc IPA!";
return 0;
}
void IPAVimc::stop()
{
trace(ipa::vimc::IPAOperationStop);
LOG(IPAVimc, Debug) << "stop vimc IPA!";
}
int IPAVimc::configure([[maybe_unused]] const IPACameraSensorInfo &sensorInfo,
[[maybe_unused]] const std::map<unsigned int, IPAStream> &streamConfig,
[[maybe_unused]] const std::map<unsigned int, ControlInfoMap> &entityControls)
{
LOG(IPAVimc, Debug) << "configure()";
return 0;
}
void IPAVimc::mapBuffers(const std::vector<IPABuffer> &buffers)
{
for (const IPABuffer &buffer : buffers) {
const FrameBuffer fb(buffer.planes);
buffers_.emplace(std::piecewise_construct,
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