120 lines
4.6 KiB
C++
120 lines
4.6 KiB
C++
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <string>
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#include <unordered_map>
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#include <android-base/unique_fd.h>
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#include "HwCamera.h"
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#include "AFStateMachine.h"
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namespace android {
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namespace hardware {
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namespace camera {
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namespace provider {
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namespace implementation {
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namespace hw {
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struct QemuCamera : public HwCamera {
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struct Parameters {
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std::string name;
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std::vector<Rect<uint16_t>> supportedResolutions;
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std::vector<Rect<uint16_t>> availableThumbnailResolutions;
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Rect<uint16_t> sensorSize;
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bool isBackFacing;
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};
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explicit QemuCamera(const Parameters& params);
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std::tuple<PixelFormat, BufferUsage, Dataspace, int32_t>
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overrideStreamParams(PixelFormat, BufferUsage, Dataspace) const override;
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bool configure(const CameraMetadata& sessionParams, size_t nStreams,
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const Stream* streams, const HalStream* halStreams) override;
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void close() override;
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std::tuple<int64_t, CameraMetadata, std::vector<StreamBuffer>,
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std::vector<DelayedStreamBuffer>>
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processCaptureRequest(CameraMetadata, Span<CachedStreamBuffer*>) override;
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// metadata
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Span<const std::pair<int32_t, int32_t>> getTargetFpsRanges() const override;
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Span<const Rect<uint16_t>> getAvailableThumbnailSizes() const override;
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bool isBackFacing() const override;
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Span<const float> getAvailableApertures() const override;
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std::tuple<int32_t, int32_t, int32_t> getMaxNumOutputStreams() const override;
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Span<const PixelFormat> getSupportedPixelFormats() const override;
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Span<const Rect<uint16_t>> getSupportedResolutions() const override;
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int64_t getMinFrameDurationNs() const override;
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Rect<uint16_t> getSensorSize() const override;
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std::pair<int32_t, int32_t> getSensorSensitivityRange() const override;
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std::pair<int64_t, int64_t> getSensorExposureTimeRange() const override;
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int64_t getSensorMaxFrameDuration() const override;
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std::pair<int32_t, int32_t> getDefaultTargetFpsRange(RequestTemplate) const override;
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float getDefaultAperture() const override;
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int64_t getDefaultSensorExpTime() const override;
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int64_t getDefaultSensorFrameDuration() const override;
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int32_t getDefaultSensorSensitivity() const override;
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private:
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struct StreamInfo {
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Rect<uint16_t> size;
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PixelFormat pixelFormat;
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uint32_t blobBufferSize;
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};
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void captureFrame(const StreamInfo& si,
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CachedStreamBuffer* csb,
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std::vector<StreamBuffer>* outputBuffers,
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std::vector<DelayedStreamBuffer>* delayedOutputBuffers) const;
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bool captureFrameYUV(const StreamInfo& si, CachedStreamBuffer* dst) const;
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bool captureFrameRGBA(const StreamInfo& si, CachedStreamBuffer* dst) const;
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DelayedStreamBuffer captureFrameJpeg(const StreamInfo& si,
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CachedStreamBuffer* csb) const;
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const native_handle_t* captureFrameForCompressing(Rect<uint16_t> dim,
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PixelFormat bufferFormat,
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uint32_t qemuFormat) const;
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bool queryFrame(Rect<uint16_t> dim, uint32_t pixelFormat,
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float exposureComp, uint64_t dataOffset) const;
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static float calculateExposureComp(int64_t exposureNs, int sensorSensitivity,
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float aperture);
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CameraMetadata applyMetadata(const CameraMetadata& metadata);
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CameraMetadata updateCaptureResultMetadata();
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const Parameters& mParams;
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AFStateMachine mAFStateMachine;
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std::unordered_map<int32_t, StreamInfo> mStreamInfoCache;
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base::unique_fd mQemuChannel;
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CameraMetadata mCaptureResultMetadata;
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int64_t mFrameDurationNs = 0;
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int64_t mSensorExposureDurationNs = 0;
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int32_t mSensorSensitivity = 0;
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float mAperture = 0;
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float mExposureComp = 0;
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};
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} // namespace hw
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} // namespace implementation
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} // namespace provider
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} // namespace camera
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} // namespace hardware
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} // namespace android
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