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344 lines
13 KiB
344 lines
13 KiB
/*
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* Copyright (C) 2013-2018 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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#ifndef ANDROID_SERVERS_CAMERA_PHOTOGRAPHY_CAMERADEVICECLIENT_H
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#define ANDROID_SERVERS_CAMERA_PHOTOGRAPHY_CAMERADEVICECLIENT_H
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#include <android/hardware/camera2/BnCameraDeviceUser.h>
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#include <android/hardware/camera2/ICameraDeviceCallbacks.h>
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#include <camera/camera2/OutputConfiguration.h>
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#include <camera/camera2/SessionConfiguration.h>
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#include <camera/camera2/SubmitInfo.h>
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#include "CameraOfflineSessionClient.h"
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#include "CameraService.h"
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#include "common/FrameProcessorBase.h"
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#include "common/Camera2ClientBase.h"
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#include "CompositeStream.h"
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#include "utils/SessionConfigurationUtils.h"
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using android::camera3::OutputStreamInfo;
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using android::camera3::CompositeStream;
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namespace android {
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struct CameraDeviceClientBase :
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public CameraService::BasicClient,
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public hardware::camera2::BnCameraDeviceUser
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{
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typedef hardware::camera2::ICameraDeviceCallbacks TCamCallbacks;
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const sp<hardware::camera2::ICameraDeviceCallbacks>& getRemoteCallback() {
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return mRemoteCallback;
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}
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protected:
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CameraDeviceClientBase(const sp<CameraService>& cameraService,
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const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
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const String16& clientPackageName,
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const std::optional<String16>& clientFeatureId,
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const String8& cameraId,
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int api1CameraId,
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int cameraFacing,
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int sensorOrientation,
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int clientPid,
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uid_t clientUid,
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int servicePid);
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sp<hardware::camera2::ICameraDeviceCallbacks> mRemoteCallback;
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};
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/**
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* Implements the binder ICameraDeviceUser API,
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* meant for HAL3-public implementation of
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* android.hardware.photography.CameraDevice
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*/
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class CameraDeviceClient :
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public Camera2ClientBase<CameraDeviceClientBase>,
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public camera2::FrameProcessorBase::FilteredListener
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{
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public:
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/**
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* ICameraDeviceUser interface (see ICameraDeviceUser for details)
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*/
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// Note that the callee gets a copy of the metadata.
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virtual binder::Status submitRequest(
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const hardware::camera2::CaptureRequest& request,
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bool streaming = false,
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/*out*/
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hardware::camera2::utils::SubmitInfo *submitInfo = nullptr) override;
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// List of requests are copied.
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virtual binder::Status submitRequestList(
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const std::vector<hardware::camera2::CaptureRequest>& requests,
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bool streaming = false,
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/*out*/
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hardware::camera2::utils::SubmitInfo *submitInfo = nullptr) override;
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virtual binder::Status cancelRequest(int requestId,
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/*out*/
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int64_t* lastFrameNumber = NULL) override;
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virtual binder::Status beginConfigure() override;
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virtual binder::Status endConfigure(int operatingMode,
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const hardware::camera2::impl::CameraMetadataNative& sessionParams,
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int64_t startTimeMs,
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/*out*/
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std::vector<int>* offlineStreamIds) override;
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// Verify specific session configuration.
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virtual binder::Status isSessionConfigurationSupported(
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const SessionConfiguration& sessionConfiguration,
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/*out*/
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bool* streamStatus) override;
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// Returns -EBUSY if device is not idle or in error state
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virtual binder::Status deleteStream(int streamId) override;
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virtual binder::Status createStream(
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const hardware::camera2::params::OutputConfiguration &outputConfiguration,
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/*out*/
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int32_t* newStreamId = NULL) override;
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// Create an input stream of width, height, and format.
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virtual binder::Status createInputStream(int width, int height, int format,
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bool isMultiResolution,
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/*out*/
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int32_t* newStreamId = NULL) override;
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// Get the buffer producer of the input stream
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virtual binder::Status getInputSurface(
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/*out*/
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view::Surface *inputSurface) override;
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// Create a request object from a template.
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virtual binder::Status createDefaultRequest(int templateId,
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/*out*/
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hardware::camera2::impl::CameraMetadataNative* request) override;
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// Get the static metadata for the camera
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// -- Caller owns the newly allocated metadata
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virtual binder::Status getCameraInfo(
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/*out*/
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hardware::camera2::impl::CameraMetadataNative* cameraCharacteristics) override;
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// Wait until all the submitted requests have finished processing
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virtual binder::Status waitUntilIdle() override;
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// Flush all active and pending requests as fast as possible
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virtual binder::Status flush(
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/*out*/
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int64_t* lastFrameNumber = NULL) override;
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// Prepare stream by preallocating its buffers
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virtual binder::Status prepare(int32_t streamId) override;
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// Tear down stream resources by freeing its unused buffers
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virtual binder::Status tearDown(int32_t streamId) override;
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// Prepare stream by preallocating up to maxCount of its buffers
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virtual binder::Status prepare2(int32_t maxCount, int32_t streamId) override;
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// Update an output configuration
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virtual binder::Status updateOutputConfiguration(int streamId,
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const hardware::camera2::params::OutputConfiguration &outputConfiguration) override;
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// Finalize the output configurations with surfaces not added before.
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virtual binder::Status finalizeOutputConfigurations(int32_t streamId,
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const hardware::camera2::params::OutputConfiguration &outputConfiguration) override;
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virtual binder::Status setCameraAudioRestriction(int32_t mode) override;
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virtual binder::Status getGlobalAudioRestriction(/*out*/int32_t* outMode) override;
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virtual binder::Status switchToOffline(
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const sp<hardware::camera2::ICameraDeviceCallbacks>& cameraCb,
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const std::vector<int>& offlineOutputIds,
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/*out*/
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sp<hardware::camera2::ICameraOfflineSession>* session) override;
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/**
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* Interface used by CameraService
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*/
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CameraDeviceClient(const sp<CameraService>& cameraService,
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const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
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const String16& clientPackageName,
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const std::optional<String16>& clientFeatureId,
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const String8& cameraId,
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int cameraFacing,
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int sensorOrientation,
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int clientPid,
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uid_t clientUid,
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int servicePid,
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bool overrideForPerfClass);
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virtual ~CameraDeviceClient();
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virtual status_t initialize(sp<CameraProviderManager> manager,
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const String8& monitorTags) override;
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virtual status_t setRotateAndCropOverride(uint8_t rotateAndCrop) override;
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virtual bool supportsCameraMute();
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virtual status_t setCameraMute(bool enabled);
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virtual status_t dump(int fd, const Vector<String16>& args);
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virtual status_t dumpClient(int fd, const Vector<String16>& args);
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/**
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* Device listener interface
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*/
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virtual void notifyIdle(int64_t requestCount, int64_t resultErrorCount, bool deviceError,
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const std::vector<hardware::CameraStreamStats>& streamStats);
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virtual void notifyError(int32_t errorCode,
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const CaptureResultExtras& resultExtras);
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virtual void notifyShutter(const CaptureResultExtras& resultExtras, nsecs_t timestamp);
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virtual void notifyPrepared(int streamId);
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virtual void notifyRequestQueueEmpty();
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virtual void notifyRepeatingRequestError(long lastFrameNumber);
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void setImageDumpMask(int mask) { if (mDevice != nullptr) mDevice->setImageDumpMask(mask); }
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/**
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* Interface used by independent components of CameraDeviceClient.
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*/
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protected:
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/** FilteredListener implementation **/
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virtual void onResultAvailable(const CaptureResult& result);
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virtual void detachDevice();
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// Calculate the ANativeWindow transform from android.sensor.orientation
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status_t getRotationTransformLocked(/*out*/int32_t* transform);
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bool isUltraHighResolutionSensor(const String8 &cameraId);
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bool isSensorPixelModeConsistent(const std::list<int> &streamIdList,
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const CameraMetadata &settings);
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const CameraMetadata &getStaticInfo(const String8 &cameraId);
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private:
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// StreamSurfaceId encapsulates streamId + surfaceId for a particular surface.
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// streamId specifies the index of the stream the surface belongs to, and the
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// surfaceId specifies the index of the surface within the stream. (one stream
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// could contain multiple surfaces.)
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class StreamSurfaceId final {
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public:
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StreamSurfaceId() {
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mStreamId = -1;
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mSurfaceId = -1;
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}
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StreamSurfaceId(int32_t streamId, int32_t surfaceId) {
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mStreamId = streamId;
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mSurfaceId = surfaceId;
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}
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int32_t streamId() const {
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return mStreamId;
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}
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int32_t surfaceId() const {
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return mSurfaceId;
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}
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private:
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int32_t mStreamId;
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int32_t mSurfaceId;
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}; // class StreamSurfaceId
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private:
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/** ICameraDeviceUser interface-related private members */
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/** Preview callback related members */
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sp<camera2::FrameProcessorBase> mFrameProcessor;
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std::vector<int32_t> mSupportedPhysicalRequestKeys;
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template<typename TProviderPtr>
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status_t initializeImpl(TProviderPtr providerPtr, const String8& monitorTags);
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/** Utility members */
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binder::Status checkPidStatus(const char* checkLocation);
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bool enforceRequestPermissions(CameraMetadata& metadata);
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// Create an output stream with surface deferred for future.
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binder::Status createDeferredSurfaceStreamLocked(
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const hardware::camera2::params::OutputConfiguration &outputConfiguration,
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bool isShared,
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int* newStreamId = NULL);
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// Set the stream transform flags to automatically rotate the camera stream for preview use
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// cases.
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binder::Status setStreamTransformLocked(int streamId);
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// Utility method to insert the surface into SurfaceMap
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binder::Status insertGbpLocked(const sp<IGraphicBufferProducer>& gbp,
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/*out*/SurfaceMap* surfaceMap, /*out*/Vector<int32_t>* streamIds,
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/*out*/int32_t* currentStreamId);
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// Utility method that maps AIDL request templates.
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binder::Status mapRequestTemplate(int templateId,
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camera_request_template_t* tempId /*out*/);
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// IGraphicsBufferProducer binder -> Stream ID + Surface ID for output streams
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KeyedVector<sp<IBinder>, StreamSurfaceId> mStreamMap;
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// Stream ID -> OutputConfiguration. Used for looking up Surface by stream/surface index
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KeyedVector<int32_t, hardware::camera2::params::OutputConfiguration> mConfiguredOutputs;
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struct InputStreamConfiguration {
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bool configured;
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int32_t width;
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int32_t height;
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int32_t format;
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int32_t id;
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} mInputStream;
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// Streaming request ID
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int32_t mStreamingRequestId;
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Mutex mStreamingRequestIdLock;
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static const int32_t REQUEST_ID_NONE = -1;
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int32_t mRequestIdCounter;
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std::vector<std::string> mPhysicalCameraIds;
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// The list of output streams whose surfaces are deferred. We have to track them separately
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// as there are no surfaces available and can not be put into mStreamMap. Once the deferred
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// Surface is configured, the stream id will be moved to mStreamMap.
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Vector<int32_t> mDeferredStreams;
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// stream ID -> outputStreamInfo mapping
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std::unordered_map<int32_t, OutputStreamInfo> mStreamInfoMap;
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// map high resolution camera id (logical / physical) -> list of stream ids configured
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std::unordered_map<std::string, std::unordered_set<int>> mHighResolutionCameraIdToStreamIdSet;
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// set of high resolution camera id (logical / physical)
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std::unordered_set<std::string> mHighResolutionSensors;
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KeyedVector<sp<IBinder>, sp<CompositeStream>> mCompositeStreamMap;
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sp<CameraProviderManager> mProviderManager;
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// Override the camera characteristics for performance class primary cameras.
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bool mOverrideForPerfClass;
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};
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}; // namespace android
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#endif
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