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Diffstat (limited to 'src/libcamera/ipa_context_wrapper.cpp')
| -rw-r--r-- | src/libcamera/ipa_context_wrapper.cpp | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/src/libcamera/ipa_context_wrapper.cpp b/src/libcamera/ipa_context_wrapper.cpp deleted file mode 100644 index 19c44ad8..00000000 --- a/src/libcamera/ipa_context_wrapper.cpp +++ /dev/null @@ -1,298 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -/* - * Copyright (C) 2019, Google Inc. - * - * ipa_context_wrapper.cpp - Image Processing Algorithm context wrapper - */ - -#include "libcamera/internal/ipa_context_wrapper.h" - -#include <vector> - -#include <libcamera/controls.h> - -#include "libcamera/internal/byte_stream_buffer.h" -#include "libcamera/internal/camera_sensor.h" -#include "libcamera/internal/utils.h" - -/** - * \file ipa_context_wrapper.h - * \brief Image Processing Algorithm context wrapper - */ - -namespace libcamera { - -/** - * \class IPAContextWrapper - * \brief Wrap an ipa_context and expose it as an IPAInterface - * - * The IPAContextWrapper class wraps an ipa_context, provided by an IPA module, and - * exposes an IPAInterface. This mechanism is used for IPAs that are not - * isolated in a separate process to allow direct calls from pipeline handler - * using the IPAInterface API instead of the lower-level ipa_context API. - * - * The IPAInterface methods are converted to the ipa_context API by translating - * all C++ arguments into plain C structures or byte arrays that contain no - * pointer, as required by the ipa_context API. - */ - -/** - * \brief Construct an IPAContextWrapper instance that wraps the \a context - * \param[in] context The IPA module context - * - * Ownership of the \a context is passed to the IPAContextWrapper. The context remains - * valid for the whole lifetime of the wrapper and is destroyed automatically - * with it. - */ -IPAContextWrapper::IPAContextWrapper(struct ipa_context *context) - : ctx_(context), intf_(nullptr) -{ - if (!ctx_) - return; - - bool forceCApi = !!utils::secure_getenv("LIBCAMERA_IPA_FORCE_C_API"); - - if (!forceCApi && ctx_ && ctx_->ops->get_interface) { - intf_ = reinterpret_cast<IPAInterface *>(ctx_->ops->get_interface(ctx_)); - intf_->queueFrameAction.connect(this, &IPAContextWrapper::doQueueFrameAction); - return; - } - - ctx_->ops->register_callbacks(ctx_, &IPAContextWrapper::callbacks_, - this); -} - -IPAContextWrapper::~IPAContextWrapper() -{ - if (!ctx_) - return; - - ctx_->ops->destroy(ctx_); -} - -int IPAContextWrapper::init(const IPASettings &settings) -{ - if (intf_) - return intf_->init(settings); - - if (!ctx_) - return 0; - - struct ipa_settings c_settings; - c_settings.configuration_file = settings.configurationFile.c_str(); - - ctx_->ops->init(ctx_, &c_settings); - - return 0; -} - -int IPAContextWrapper::start(const IPAOperationData &data, - IPAOperationData *result) -{ - if (intf_) - return intf_->start(data, result); - - if (!ctx_) - return 0; - - return ctx_->ops->start(ctx_); -} - -void IPAContextWrapper::stop() -{ - if (intf_) - return intf_->stop(); - - if (!ctx_) - return; - - ctx_->ops->stop(ctx_); -} - -void IPAContextWrapper::configure(const CameraSensorInfo &sensorInfo, - const std::map<unsigned int, IPAStream> &streamConfig, - const std::map<unsigned int, const ControlInfoMap &> &entityControls, - const IPAOperationData &ipaConfig, - IPAOperationData *result) -{ - if (intf_) - return intf_->configure(sensorInfo, streamConfig, - entityControls, ipaConfig, result); - - if (!ctx_) - return; - - serializer_.reset(); - - /* Translate the camera sensor info. */ - struct ipa_sensor_info sensor_info = {}; - sensor_info.model = sensorInfo.model.c_str(); - sensor_info.bits_per_pixel = sensorInfo.bitsPerPixel; - sensor_info.active_area.width = sensorInfo.activeAreaSize.width; - sensor_info.active_area.height = sensorInfo.activeAreaSize.height; - sensor_info.analog_crop.left = sensorInfo.analogCrop.x; - sensor_info.analog_crop.top = sensorInfo.analogCrop.y; - sensor_info.analog_crop.width = sensorInfo.analogCrop.width; - sensor_info.analog_crop.height = sensorInfo.analogCrop.height; - sensor_info.output_size.width = sensorInfo.outputSize.width; - sensor_info.output_size.height = sensorInfo.outputSize.height; - sensor_info.pixel_rate = sensorInfo.pixelRate; - sensor_info.line_length = sensorInfo.lineLength; - - /* Translate the IPA stream configurations map. */ - struct ipa_stream c_streams[streamConfig.size()]; - - unsigned int i = 0; - for (const auto &stream : streamConfig) { - struct ipa_stream *c_stream = &c_streams[i]; - unsigned int id = stream.first; - const IPAStream &ipaStream = stream.second; - - c_stream->id = id; - c_stream->pixel_format = ipaStream.pixelFormat; - c_stream->width = ipaStream.size.width; - c_stream->height = ipaStream.size.height; - - ++i; - } - - /* Translate the IPA entity controls map. */ - struct ipa_control_info_map c_info_maps[entityControls.size()]; - std::vector<std::vector<uint8_t>> data(entityControls.size()); - - i = 0; - for (const auto &info : entityControls) { - struct ipa_control_info_map &c_info_map = c_info_maps[i]; - unsigned int id = info.first; - const ControlInfoMap &infoMap = info.second; - - size_t infoMapSize = serializer_.binarySize(infoMap); - data[i].resize(infoMapSize); - ByteStreamBuffer byteStream(data[i].data(), data[i].size()); - serializer_.serialize(infoMap, byteStream); - - c_info_map.id = id; - c_info_map.data = byteStream.base(); - c_info_map.size = byteStream.size(); - - ++i; - } - - /* \todo Translate the ipaConfig and reponse */ - ctx_->ops->configure(ctx_, &sensor_info, c_streams, streamConfig.size(), - c_info_maps, entityControls.size()); -} - -void IPAContextWrapper::mapBuffers(const std::vector<IPABuffer> &buffers) -{ - if (intf_) - return intf_->mapBuffers(buffers); - - if (!ctx_) - return; - - struct ipa_buffer c_buffers[buffers.size()]; - - for (unsigned int i = 0; i < buffers.size(); ++i) { - struct ipa_buffer &c_buffer = c_buffers[i]; - const IPABuffer &buffer = buffers[i]; - const std::vector<FrameBuffer::Plane> &planes = buffer.planes; - - c_buffer.id = buffer.id; - c_buffer.num_planes = planes.size(); - - for (unsigned int j = 0; j < planes.size(); ++j) { - const FrameBuffer::Plane &plane = planes[j]; - c_buffer.planes[j].dmabuf = plane.fd.fd(); - c_buffer.planes[j].length = plane.length; - } - } - - ctx_->ops->map_buffers(ctx_, c_buffers, buffers.size()); -} - -void IPAContextWrapper::unmapBuffers(const std::vector<unsigned int> &ids) -{ - if (intf_) - return intf_->unmapBuffers(ids); - - if (!ctx_) - return; - - ctx_->ops->unmap_buffers(ctx_, ids.data(), ids.size()); -} - -void IPAContextWrapper::processEvent(const IPAOperationData &data) -{ - if (intf_) - return intf_->processEvent(data); - - if (!ctx_) - return; - - struct ipa_operation_data c_data; - c_data.operation = data.operation; - c_data.data = data.data.data(); - c_data.num_data = data.data.size(); - - struct ipa_control_list control_lists[data.controls.size()]; - c_data.lists = control_lists; - c_data.num_lists = data.controls.size(); - - std::size_t listsSize = 0; - for (const auto &list : data.controls) - listsSize += serializer_.binarySize(list); - - std::vector<uint8_t> binaryData(listsSize); - ByteStreamBuffer byteStreamBuffer(binaryData.data(), listsSize); - - unsigned int i = 0; - for (const auto &list : data.controls) { - struct ipa_control_list &c_list = control_lists[i]; - c_list.size = serializer_.binarySize(list); - ByteStreamBuffer b = byteStreamBuffer.carveOut(c_list.size); - - serializer_.serialize(list, b); - - c_list.data = b.base(); - } - - ctx_->ops->process_event(ctx_, &c_data); -} - -void IPAContextWrapper::doQueueFrameAction(unsigned int frame, - const IPAOperationData &data) -{ - IPAInterface::queueFrameAction.emit(frame, data); -} - -void IPAContextWrapper::queue_frame_action(void *ctx, unsigned int frame, - struct ipa_operation_data &data) -{ - IPAContextWrapper *_this = static_cast<IPAContextWrapper *>(ctx); - IPAOperationData opData; - - opData.operation = data.operation; - for (unsigned int i = 0; i < data.num_data; ++i) - opData.data.push_back(data.data[i]); - - for (unsigned int i = 0; i < data.num_lists; ++i) { - const struct ipa_control_list &c_list = data.lists[i]; - ByteStreamBuffer b(c_list.data, c_list.size); - opData.controls.push_back(_this->serializer_.deserialize<ControlList>(b)); - } - - _this->doQueueFrameAction(frame, opData); -} - -#ifndef __DOXYGEN__ -/* - * This construct confuses Doxygen and makes it believe that all members of the - * operations is a member of IPAContextWrapper. It must thus be hidden. - */ -const struct ipa_callback_ops IPAContextWrapper::callbacks_ = { - .queue_frame_action = &IPAContextWrapper::queue_frame_action, -}; -#endif - -} /* namespace libcamera */ |