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class="hl com">/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2019-2021, Google Inc. * * camera_request.cpp - libcamera Android Camera Request Descriptor */ #include "camera_request.h" #include <libcamera/base/span.h> #include "camera_buffer.h" using namespace libcamera; /* * \class Camera3RequestDescriptor * * A utility class that groups information about a capture request to be later * reused at request complete time to notify the framework. */ Camera3RequestDescriptor::Camera3RequestDescriptor( Camera *camera, const camera3_capture_request_t *camera3Request) { frameNumber_ = camera3Request->frame_number; /* Copy the camera3 request stream information for later access. */ const Span<const camera3_stream_buffer_t> buffers{ camera3Request->output_buffers, camera3Request->num_output_buffers }; buffers_.reserve(buffers.size()); for (const camera3_stream_buffer_t &buffer : buffers) { CameraStream *stream = static_cast<CameraStream *>(buffer.stream->priv); buffers_.emplace_back(stream, buffer, this); } /* Clone the controls associated with the camera3 request. */ settings_ = CameraMetadata(camera3Request->settings); /* * Create the CaptureRequest, stored as a unique_ptr<> to tie its * lifetime to the descriptor. */ request_ = camera->createRequest(reinterpret_cast<uint64_t>(this)); } Camera3RequestDescriptor::~Camera3RequestDescriptor() = default; Camera3RequestDescriptor::StreamBuffer::StreamBuffer( CameraStream *cameraStream, const camera3_stream_buffer_t &buffer, Camera3RequestDescriptor *requestDescriptor) : stream(cameraStream), camera3Buffer(buffer.buffer), fence(buffer.acquire_fence), request(requestDescriptor) { } Camera3RequestDescriptor::StreamBuffer::~StreamBuffer() = default; Camera3RequestDescriptor::StreamBuffer::StreamBuffer(StreamBuffer &&) = default; Camera3RequestDescriptor::StreamBuffer & Camera3RequestDescriptor::StreamBuffer::operator=(Camera3RequestDescriptor::StreamBuffer &&) = default;