| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_SERVERS_CAMERA3DEVICE_H |
| #define ANDROID_SERVERS_CAMERA3DEVICE_H |
| |
| #include <utils/Condition.h> |
| #include <utils/Errors.h> |
| #include <utils/List.h> |
| #include <utils/Mutex.h> |
| #include <utils/Thread.h> |
| #include <utils/KeyedVector.h> |
| #include <utils/Timers.h> |
| #include <hardware/camera3.h> |
| #include <camera/CaptureResult.h> |
| |
| #include "common/CameraDeviceBase.h" |
| #include "device3/StatusTracker.h" |
| #include "device3/Camera3BufferManager.h" |
| #include "utils/TagMonitor.h" |
| |
| /** |
| * Function pointer types with C calling convention to |
| * use for HAL callback functions. |
| */ |
| extern "C" { |
| typedef void (callbacks_process_capture_result_t)( |
| const struct camera3_callback_ops *, |
| const camera3_capture_result_t *); |
| |
| typedef void (callbacks_notify_t)( |
| const struct camera3_callback_ops *, |
| const camera3_notify_msg_t *); |
| } |
| |
| namespace android { |
| |
| namespace camera3 { |
| |
| class Camera3Stream; |
| class Camera3ZslStream; |
| class Camera3OutputStreamInterface; |
| class Camera3StreamInterface; |
| |
| } |
| |
| /** |
| * CameraDevice for HAL devices with version CAMERA_DEVICE_API_VERSION_3_0 or higher. |
| */ |
| class Camera3Device : |
| public CameraDeviceBase, |
| private camera3_callback_ops { |
| public: |
| |
| Camera3Device(int id); |
| |
| virtual ~Camera3Device(); |
| |
| /** |
| * CameraDeviceBase interface |
| */ |
| |
| virtual int getId() const; |
| |
| // Transitions to idle state on success. |
| virtual status_t initialize(CameraModule *module); |
| virtual status_t disconnect(); |
| virtual status_t dump(int fd, const Vector<String16> &args); |
| virtual const CameraMetadata& info() const; |
| |
| // Capture and setStreamingRequest will configure streams if currently in |
| // idle state |
| virtual status_t capture(CameraMetadata &request, int64_t *lastFrameNumber = NULL); |
| virtual status_t captureList(const List<const CameraMetadata> &requests, |
| int64_t *lastFrameNumber = NULL); |
| virtual status_t setStreamingRequest(const CameraMetadata &request, |
| int64_t *lastFrameNumber = NULL); |
| virtual status_t setStreamingRequestList(const List<const CameraMetadata> &requests, |
| int64_t *lastFrameNumber = NULL); |
| virtual status_t clearStreamingRequest(int64_t *lastFrameNumber = NULL); |
| |
| virtual status_t waitUntilRequestReceived(int32_t requestId, nsecs_t timeout); |
| |
| // Actual stream creation/deletion is delayed until first request is submitted |
| // If adding streams while actively capturing, will pause device before adding |
| // stream, reconfiguring device, and unpausing. If the client create a stream |
| // with nullptr consumer surface, the client must then call setConsumer() |
| // and finish the stream configuration before starting output streaming. |
| virtual status_t createStream(sp<Surface> consumer, |
| uint32_t width, uint32_t height, int format, |
| android_dataspace dataSpace, camera3_stream_rotation_t rotation, int *id, |
| int streamSetId = camera3::CAMERA3_STREAM_SET_ID_INVALID, |
| uint32_t consumerUsage = 0); |
| virtual status_t createInputStream( |
| uint32_t width, uint32_t height, int format, |
| int *id); |
| virtual status_t createZslStream( |
| uint32_t width, uint32_t height, |
| int depth, |
| /*out*/ |
| int *id, |
| sp<camera3::Camera3ZslStream>* zslStream); |
| virtual status_t createReprocessStreamFromStream(int outputId, int *id); |
| |
| virtual status_t getStreamInfo(int id, |
| uint32_t *width, uint32_t *height, |
| uint32_t *format, android_dataspace *dataSpace); |
| virtual status_t setStreamTransform(int id, int transform); |
| |
| virtual status_t deleteStream(int id); |
| virtual status_t deleteReprocessStream(int id); |
| |
| virtual status_t configureStreams(bool isConstraiedHighSpeed = false); |
| virtual status_t getInputBufferProducer( |
| sp<IGraphicBufferProducer> *producer); |
| |
| virtual status_t createDefaultRequest(int templateId, CameraMetadata *request); |
| |
| // Transitions to the idle state on success |
| virtual status_t waitUntilDrained(); |
| |
| virtual status_t setNotifyCallback(wp<NotificationListener> listener); |
| virtual bool willNotify3A(); |
| virtual status_t waitForNextFrame(nsecs_t timeout); |
| virtual status_t getNextResult(CaptureResult *frame); |
| |
| virtual status_t triggerAutofocus(uint32_t id); |
| virtual status_t triggerCancelAutofocus(uint32_t id); |
| virtual status_t triggerPrecaptureMetering(uint32_t id); |
| |
| virtual status_t pushReprocessBuffer(int reprocessStreamId, |
| buffer_handle_t *buffer, wp<BufferReleasedListener> listener); |
| |
| virtual status_t flush(int64_t *lastFrameNumber = NULL); |
| |
| virtual status_t prepare(int streamId); |
| |
| virtual status_t tearDown(int streamId); |
| |
| virtual status_t addBufferListenerForStream(int streamId, |
| wp<camera3::Camera3StreamBufferListener> listener); |
| |
| virtual status_t prepare(int maxCount, int streamId); |
| |
| virtual uint32_t getDeviceVersion(); |
| |
| virtual ssize_t getJpegBufferSize(uint32_t width, uint32_t height) const; |
| ssize_t getPointCloudBufferSize() const; |
| ssize_t getRawOpaqueBufferSize(int32_t width, int32_t height) const; |
| |
| // Methods called by subclasses |
| void notifyStatus(bool idle); // updates from StatusTracker |
| |
| /** |
| * Set the deferred consumer surface to the output stream and finish the deferred |
| * consumer configuration. |
| */ |
| virtual status_t setConsumerSurface(int streamId, sp<Surface> consumer); |
| |
| private: |
| static const size_t kDumpLockAttempts = 10; |
| static const size_t kDumpSleepDuration = 100000; // 0.10 sec |
| static const nsecs_t kShutdownTimeout = 5000000000; // 5 sec |
| static const nsecs_t kActiveTimeout = 500000000; // 500 ms |
| static const size_t kInFlightWarnLimit = 20; |
| static const size_t kInFlightWarnLimitHighSpeed = 256; // batch size 32 * pipe depth 8 |
| // SCHED_FIFO priority for request submission thread in HFR mode |
| static const int kRequestThreadPriority = 1; |
| |
| struct RequestTrigger; |
| // minimal jpeg buffer size: 256KB + blob header |
| static const ssize_t kMinJpegBufferSize = 256 * 1024 + sizeof(camera3_jpeg_blob); |
| // Constant to use for stream ID when one doesn't exist |
| static const int NO_STREAM = -1; |
| |
| // A lock to enforce serialization on the input/configure side |
| // of the public interface. |
| // Only locked by public methods inherited from CameraDeviceBase. |
| // Not locked by methods guarded by mOutputLock, since they may act |
| // concurrently to the input/configure side of the interface. |
| // Must be locked before mLock if both will be locked by a method |
| Mutex mInterfaceLock; |
| |
| // The main lock on internal state |
| Mutex mLock; |
| |
| // Camera device ID |
| const int mId; |
| |
| // Flag indicating is the current active stream configuration is constrained high speed. |
| bool mIsConstrainedHighSpeedConfiguration; |
| |
| /**** Scope for mLock ****/ |
| |
| camera3_device_t *mHal3Device; |
| |
| CameraMetadata mDeviceInfo; |
| |
| CameraMetadata mRequestTemplateCache[CAMERA3_TEMPLATE_COUNT]; |
| |
| uint32_t mDeviceVersion; |
| |
| // whether Camera3Device should derive ANDROID_CONTROL_POST_RAW_SENSITIVITY_BOOST for |
| // backward compatibility. Should not be changed after initialization. |
| bool mDerivePostRawSensKey = false; |
| |
| struct Size { |
| uint32_t width; |
| uint32_t height; |
| Size(uint32_t w = 0, uint32_t h = 0) : width(w), height(h){} |
| }; |
| // Map from format to size. |
| Vector<Size> mSupportedOpaqueInputSizes; |
| |
| enum Status { |
| STATUS_ERROR, |
| STATUS_UNINITIALIZED, |
| STATUS_UNCONFIGURED, |
| STATUS_CONFIGURED, |
| STATUS_ACTIVE |
| } mStatus; |
| |
| // Only clear mRecentStatusUpdates, mStatusWaiters from waitUntilStateThenRelock |
| Vector<Status> mRecentStatusUpdates; |
| int mStatusWaiters; |
| |
| Condition mStatusChanged; |
| |
| // Tracking cause of fatal errors when in STATUS_ERROR |
| String8 mErrorCause; |
| |
| // Mapping of stream IDs to stream instances |
| typedef KeyedVector<int, sp<camera3::Camera3OutputStreamInterface> > |
| StreamSet; |
| |
| StreamSet mOutputStreams; |
| sp<camera3::Camera3Stream> mInputStream; |
| int mNextStreamId; |
| bool mNeedConfig; |
| |
| int mDummyStreamId; |
| |
| // Whether to send state updates upstream |
| // Pause when doing transparent reconfiguration |
| bool mPauseStateNotify; |
| |
| // Need to hold on to stream references until configure completes. |
| Vector<sp<camera3::Camera3StreamInterface> > mDeletedStreams; |
| |
| // Whether the HAL will send partial result |
| bool mUsePartialResult; |
| |
| // Number of partial results that will be delivered by the HAL. |
| uint32_t mNumPartialResults; |
| |
| /**** End scope for mLock ****/ |
| |
| // The offset converting from clock domain of other subsystem |
| // (video/hardware composer) to that of camera. Assumption is that this |
| // offset won't change during the life cycle of the camera device. In other |
| // words, camera device shouldn't be open during CPU suspend. |
| nsecs_t mTimestampOffset; |
| |
| typedef struct AeTriggerCancelOverride { |
| bool applyAeLock; |
| uint8_t aeLock; |
| bool applyAePrecaptureTrigger; |
| uint8_t aePrecaptureTrigger; |
| } AeTriggerCancelOverride_t; |
| |
| class CaptureRequest : public LightRefBase<CaptureRequest> { |
| public: |
| CameraMetadata mSettings; |
| sp<camera3::Camera3Stream> mInputStream; |
| camera3_stream_buffer_t mInputBuffer; |
| Vector<sp<camera3::Camera3OutputStreamInterface> > |
| mOutputStreams; |
| CaptureResultExtras mResultExtras; |
| // Used to cancel AE precapture trigger for devices doesn't support |
| // CONTROL_AE_PRECAPTURE_TRIGGER_CANCEL |
| AeTriggerCancelOverride_t mAeTriggerCancelOverride; |
| // The number of requests that should be submitted to HAL at a time. |
| // For example, if batch size is 8, this request and the following 7 |
| // requests will be submitted to HAL at a time. The batch size for |
| // the following 7 requests will be ignored by the request thread. |
| int mBatchSize; |
| }; |
| typedef List<sp<CaptureRequest> > RequestList; |
| |
| status_t checkStatusOkToCaptureLocked(); |
| |
| status_t convertMetadataListToRequestListLocked( |
| const List<const CameraMetadata> &metadataList, |
| /*out*/ |
| RequestList *requestList); |
| |
| status_t submitRequestsHelper(const List<const CameraMetadata> &requests, bool repeating, |
| int64_t *lastFrameNumber = NULL); |
| |
| /** |
| * Get the last request submitted to the hal by the request thread. |
| * |
| * Takes mLock. |
| */ |
| virtual CameraMetadata getLatestRequestLocked(); |
| |
| /** |
| * Update the current device status and wake all waiting threads. |
| * |
| * Must be called with mLock held. |
| */ |
| void internalUpdateStatusLocked(Status status); |
| |
| /** |
| * Pause processing and flush everything, but don't tell the clients. |
| * This is for reconfiguring outputs transparently when according to the |
| * CameraDeviceBase interface we shouldn't need to. |
| * Must be called with mLock and mInterfaceLock both held. |
| */ |
| status_t internalPauseAndWaitLocked(); |
| |
| /** |
| * Resume work after internalPauseAndWaitLocked() |
| * Must be called with mLock and mInterfaceLock both held. |
| */ |
| status_t internalResumeLocked(); |
| |
| /** |
| * Wait until status tracker tells us we've transitioned to the target state |
| * set, which is either ACTIVE when active==true or IDLE (which is any |
| * non-ACTIVE state) when active==false. |
| * |
| * Needs to be called with mLock and mInterfaceLock held. This means there |
| * can ever only be one waiter at most. |
| * |
| * During the wait mLock is released. |
| * |
| */ |
| status_t waitUntilStateThenRelock(bool active, nsecs_t timeout); |
| |
| /** |
| * Implementation of waitUntilDrained. On success, will transition to IDLE state. |
| * |
| * Need to be called with mLock and mInterfaceLock held. |
| */ |
| status_t waitUntilDrainedLocked(); |
| |
| /** |
| * Do common work for setting up a streaming or single capture request. |
| * On success, will transition to ACTIVE if in IDLE. |
| */ |
| sp<CaptureRequest> setUpRequestLocked(const CameraMetadata &request); |
| |
| /** |
| * Build a CaptureRequest request from the CameraDeviceBase request |
| * settings. |
| */ |
| sp<CaptureRequest> createCaptureRequest(const CameraMetadata &request); |
| |
| /** |
| * Take the currently-defined set of streams and configure the HAL to use |
| * them. This is a long-running operation (may be several hundered ms). |
| */ |
| status_t configureStreamsLocked(); |
| |
| /** |
| * Cancel stream configuration that did not finish successfully. |
| */ |
| void cancelStreamsConfigurationLocked(); |
| |
| /** |
| * Add a dummy stream to the current stream set as a workaround for |
| * not allowing 0 streams in the camera HAL spec. |
| */ |
| status_t addDummyStreamLocked(); |
| |
| /** |
| * Remove a dummy stream if the current config includes real streams. |
| */ |
| status_t tryRemoveDummyStreamLocked(); |
| |
| /** |
| * Set device into an error state due to some fatal failure, and set an |
| * error message to indicate why. Only the first call's message will be |
| * used. The message is also sent to the log. |
| */ |
| void setErrorState(const char *fmt, ...); |
| void setErrorStateV(const char *fmt, va_list args); |
| void setErrorStateLocked(const char *fmt, ...); |
| void setErrorStateLockedV(const char *fmt, va_list args); |
| |
| /** |
| * Debugging trylock/spin method |
| * Try to acquire a lock a few times with sleeps between before giving up. |
| */ |
| bool tryLockSpinRightRound(Mutex& lock); |
| |
| /** |
| * Helper function to determine if an input size for implementation defined |
| * format is supported. |
| */ |
| bool isOpaqueInputSizeSupported(uint32_t width, uint32_t height); |
| |
| /** |
| * Helper function to get the largest Jpeg resolution (in area) |
| * Return Size(0, 0) if static metatdata is invalid |
| */ |
| Size getMaxJpegResolution() const; |
| |
| /** |
| * Helper function to get the offset between MONOTONIC and BOOTTIME |
| * timestamp. |
| */ |
| static nsecs_t getMonoToBoottimeOffset(); |
| |
| /** |
| * Helper function to map between legacy and new dataspace enums |
| */ |
| static android_dataspace mapToLegacyDataspace(android_dataspace dataSpace); |
| |
| struct RequestTrigger { |
| // Metadata tag number, e.g. android.control.aePrecaptureTrigger |
| uint32_t metadataTag; |
| // Metadata value, e.g. 'START' or the trigger ID |
| int32_t entryValue; |
| |
| // The last part of the fully qualified path, e.g. afTrigger |
| const char *getTagName() const { |
| return get_camera_metadata_tag_name(metadataTag) ?: "NULL"; |
| } |
| |
| // e.g. TYPE_BYTE, TYPE_INT32, etc. |
| int getTagType() const { |
| return get_camera_metadata_tag_type(metadataTag); |
| } |
| }; |
| |
| /** |
| * Thread for managing capture request submission to HAL device. |
| */ |
| class RequestThread : public Thread { |
| |
| public: |
| |
| RequestThread(wp<Camera3Device> parent, |
| sp<camera3::StatusTracker> statusTracker, |
| camera3_device_t *hal3Device, |
| bool aeLockAvailable); |
| |
| void setNotificationListener(wp<NotificationListener> listener); |
| |
| /** |
| * Call after stream (re)-configuration is completed. |
| */ |
| void configurationComplete(bool isConstrainedHighSpeed); |
| |
| /** |
| * Set or clear the list of repeating requests. Does not block |
| * on either. Use waitUntilPaused to wait until request queue |
| * has emptied out. |
| */ |
| status_t setRepeatingRequests(const RequestList& requests, |
| /*out*/ |
| int64_t *lastFrameNumber = NULL); |
| status_t clearRepeatingRequests(/*out*/ |
| int64_t *lastFrameNumber = NULL); |
| |
| status_t queueRequestList(List<sp<CaptureRequest> > &requests, |
| /*out*/ |
| int64_t *lastFrameNumber = NULL); |
| |
| /** |
| * Remove all queued and repeating requests, and pending triggers |
| */ |
| status_t clear(/*out*/int64_t *lastFrameNumber = NULL); |
| |
| /** |
| * Flush all pending requests in HAL. |
| */ |
| status_t flush(); |
| |
| /** |
| * Queue a trigger to be dispatched with the next outgoing |
| * process_capture_request. The settings for that request only |
| * will be temporarily rewritten to add the trigger tag/value. |
| * Subsequent requests will not be rewritten (for this tag). |
| */ |
| status_t queueTrigger(RequestTrigger trigger[], size_t count); |
| |
| /** |
| * Pause/unpause the capture thread. Doesn't block, so use |
| * waitUntilPaused to wait until the thread is paused. |
| */ |
| void setPaused(bool paused); |
| |
| /** |
| * Wait until thread processes the capture request with settings' |
| * android.request.id == requestId. |
| * |
| * Returns TIMED_OUT in case the thread does not process the request |
| * within the timeout. |
| */ |
| status_t waitUntilRequestProcessed(int32_t requestId, nsecs_t timeout); |
| |
| /** |
| * Shut down the thread. Shutdown is asynchronous, so thread may |
| * still be running once this method returns. |
| */ |
| virtual void requestExit(); |
| |
| /** |
| * Get the latest request that was sent to the HAL |
| * with process_capture_request. |
| */ |
| CameraMetadata getLatestRequest() const; |
| |
| /** |
| * Returns true if the stream is a target of any queued or repeating |
| * capture request |
| */ |
| bool isStreamPending(sp<camera3::Camera3StreamInterface>& stream); |
| |
| protected: |
| |
| virtual bool threadLoop(); |
| |
| private: |
| static int getId(const wp<Camera3Device> &device); |
| |
| status_t queueTriggerLocked(RequestTrigger trigger); |
| // Mix-in queued triggers into this request |
| int32_t insertTriggers(const sp<CaptureRequest> &request); |
| // Purge the queued triggers from this request, |
| // restoring the old field values for those tags. |
| status_t removeTriggers(const sp<CaptureRequest> &request); |
| |
| // HAL workaround: Make sure a trigger ID always exists if |
| // a trigger does |
| status_t addDummyTriggerIds(const sp<CaptureRequest> &request); |
| |
| static const nsecs_t kRequestTimeout = 50e6; // 50 ms |
| |
| // Used to prepare a batch of requests. |
| struct NextRequest { |
| sp<CaptureRequest> captureRequest; |
| camera3_capture_request_t halRequest; |
| Vector<camera3_stream_buffer_t> outputBuffers; |
| bool submitted; |
| }; |
| |
| // Wait for the next batch of requests and put them in mNextRequests. mNextRequests will |
| // be empty if it times out. |
| void waitForNextRequestBatch(); |
| |
| // Waits for a request, or returns NULL if times out. Must be called with mRequestLock hold. |
| sp<CaptureRequest> waitForNextRequestLocked(); |
| |
| // Prepare HAL requests and output buffers in mNextRequests. Return TIMED_OUT if getting any |
| // output buffer timed out. If an error is returned, the caller should clean up the pending |
| // request batch. |
| status_t prepareHalRequests(); |
| |
| // Return buffers, etc, for requests in mNextRequests that couldn't be fully constructed and |
| // send request errors if sendRequestError is true. The buffers will be returned in the |
| // ERROR state to mark them as not having valid data. mNextRequests will be cleared. |
| void cleanUpFailedRequests(bool sendRequestError); |
| |
| // Stop the repeating request if any of its output streams is abandoned. |
| void checkAndStopRepeatingRequest(); |
| |
| // Pause handling |
| bool waitIfPaused(); |
| void unpauseForNewRequests(); |
| |
| // Relay error to parent device object setErrorState |
| void setErrorState(const char *fmt, ...); |
| |
| // If the input request is in mRepeatingRequests. Must be called with mRequestLock hold |
| bool isRepeatingRequestLocked(const sp<CaptureRequest>); |
| |
| // Handle AE precapture trigger cancel for devices <= CAMERA_DEVICE_API_VERSION_3_2. |
| void handleAePrecaptureCancelRequest(sp<CaptureRequest> request); |
| |
| // Clear repeating requests. Must be called with mRequestLock held. |
| status_t clearRepeatingRequestsLocked(/*out*/ int64_t *lastFrameNumber = NULL); |
| |
| wp<Camera3Device> mParent; |
| wp<camera3::StatusTracker> mStatusTracker; |
| camera3_device_t *mHal3Device; |
| |
| wp<NotificationListener> mListener; |
| |
| const int mId; // The camera ID |
| int mStatusId; // The RequestThread's component ID for |
| // status tracking |
| |
| Mutex mRequestLock; |
| Condition mRequestSignal; |
| RequestList mRequestQueue; |
| RequestList mRepeatingRequests; |
| // The next batch of requests being prepped for submission to the HAL, no longer |
| // on the request queue. Read-only even with mRequestLock held, outside |
| // of threadLoop |
| Vector<NextRequest> mNextRequests; |
| |
| // To protect flush() and sending a request batch to HAL. |
| Mutex mFlushLock; |
| |
| bool mReconfigured; |
| |
| // Used by waitIfPaused, waitForNextRequest, and waitUntilPaused |
| Mutex mPauseLock; |
| bool mDoPause; |
| Condition mDoPauseSignal; |
| bool mPaused; |
| Condition mPausedSignal; |
| |
| sp<CaptureRequest> mPrevRequest; |
| int32_t mPrevTriggers; |
| |
| uint32_t mFrameNumber; |
| |
| mutable Mutex mLatestRequestMutex; |
| Condition mLatestRequestSignal; |
| // android.request.id for latest process_capture_request |
| int32_t mLatestRequestId; |
| CameraMetadata mLatestRequest; |
| |
| typedef KeyedVector<uint32_t/*tag*/, RequestTrigger> TriggerMap; |
| Mutex mTriggerMutex; |
| TriggerMap mTriggerMap; |
| TriggerMap mTriggerRemovedMap; |
| TriggerMap mTriggerReplacedMap; |
| uint32_t mCurrentAfTriggerId; |
| uint32_t mCurrentPreCaptureTriggerId; |
| |
| int64_t mRepeatingLastFrameNumber; |
| |
| // Whether the device supports AE lock |
| bool mAeLockAvailable; |
| |
| // Flag indicating if we should prepare video stream for video requests. |
| bool mPrepareVideoStream; |
| }; |
| sp<RequestThread> mRequestThread; |
| |
| /** |
| * In-flight queue for tracking completion of capture requests. |
| */ |
| |
| struct InFlightRequest { |
| // Set by notify() SHUTTER call. |
| nsecs_t shutterTimestamp; |
| // Set by process_capture_result(). |
| nsecs_t sensorTimestamp; |
| int requestStatus; |
| // Set by process_capture_result call with valid metadata |
| bool haveResultMetadata; |
| // Decremented by calls to process_capture_result with valid output |
| // and input buffers |
| int numBuffersLeft; |
| CaptureResultExtras resultExtras; |
| // If this request has any input buffer |
| bool hasInputBuffer; |
| |
| // The last metadata that framework receives from HAL and |
| // not yet send out because the shutter event hasn't arrived. |
| // It's added by process_capture_result and sent when framework |
| // receives the shutter event. |
| CameraMetadata pendingMetadata; |
| |
| // The metadata of the partial results that framework receives from HAL so far |
| // and has sent out. |
| CameraMetadata collectedPartialResult; |
| |
| // Buffers are added by process_capture_result when output buffers |
| // return from HAL but framework has not yet received the shutter |
| // event. They will be returned to the streams when framework receives |
| // the shutter event. |
| Vector<camera3_stream_buffer_t> pendingOutputBuffers; |
| |
| // Used to cancel AE precapture trigger for devices doesn't support |
| // CONTROL_AE_PRECAPTURE_TRIGGER_CANCEL |
| AeTriggerCancelOverride_t aeTriggerCancelOverride; |
| |
| // Default constructor needed by KeyedVector |
| InFlightRequest() : |
| shutterTimestamp(0), |
| sensorTimestamp(0), |
| requestStatus(OK), |
| haveResultMetadata(false), |
| numBuffersLeft(0), |
| hasInputBuffer(false), |
| aeTriggerCancelOverride({false, 0, false, 0}){ |
| } |
| |
| InFlightRequest(int numBuffers, CaptureResultExtras extras, bool hasInput, |
| AeTriggerCancelOverride aeTriggerCancelOverride) : |
| shutterTimestamp(0), |
| sensorTimestamp(0), |
| requestStatus(OK), |
| haveResultMetadata(false), |
| numBuffersLeft(numBuffers), |
| resultExtras(extras), |
| hasInputBuffer(hasInput), |
| aeTriggerCancelOverride(aeTriggerCancelOverride){ |
| } |
| }; |
| |
| // Map from frame number to the in-flight request state |
| typedef KeyedVector<uint32_t, InFlightRequest> InFlightMap; |
| |
| Mutex mInFlightLock; // Protects mInFlightMap |
| InFlightMap mInFlightMap; |
| int mInFlightStatusId; |
| |
| status_t registerInFlight(uint32_t frameNumber, |
| int32_t numBuffers, CaptureResultExtras resultExtras, bool hasInput, |
| const AeTriggerCancelOverride_t &aeTriggerCancelOverride); |
| |
| /** |
| * Override result metadata for cancelling AE precapture trigger applied in |
| * handleAePrecaptureCancelRequest(). |
| */ |
| void overrideResultForPrecaptureCancel(CameraMetadata* result, |
| const AeTriggerCancelOverride_t &aeTriggerCancelOverride); |
| |
| /** |
| * Tracking for idle detection |
| */ |
| sp<camera3::StatusTracker> mStatusTracker; |
| |
| /** |
| * Graphic buffer manager for output streams. Each device has a buffer manager, which is used |
| * by the output streams to get and return buffers if these streams are registered to this |
| * buffer manager. |
| */ |
| sp<camera3::Camera3BufferManager> mBufferManager; |
| |
| /** |
| * Thread for preparing streams |
| */ |
| class PreparerThread : private Thread, public virtual RefBase { |
| public: |
| PreparerThread(); |
| ~PreparerThread(); |
| |
| void setNotificationListener(wp<NotificationListener> listener); |
| |
| /** |
| * Queue up a stream to be prepared. Streams are processed by a background thread in FIFO |
| * order. Pre-allocate up to maxCount buffers for the stream, or the maximum number needed |
| * for the pipeline if maxCount is ALLOCATE_PIPELINE_MAX. |
| */ |
| status_t prepare(int maxCount, sp<camera3::Camera3StreamInterface>& stream); |
| |
| /** |
| * Cancel all current and pending stream preparation |
| */ |
| status_t clear(); |
| |
| private: |
| Mutex mLock; |
| |
| virtual bool threadLoop(); |
| |
| // Guarded by mLock |
| |
| wp<NotificationListener> mListener; |
| List<sp<camera3::Camera3StreamInterface> > mPendingStreams; |
| bool mActive; |
| bool mCancelNow; |
| |
| // Only accessed by threadLoop and the destructor |
| |
| sp<camera3::Camera3StreamInterface> mCurrentStream; |
| }; |
| sp<PreparerThread> mPreparerThread; |
| |
| /** |
| * Output result queue and current HAL device 3A state |
| */ |
| |
| // Lock for output side of device |
| Mutex mOutputLock; |
| |
| /**** Scope for mOutputLock ****/ |
| // the minimal frame number of the next non-reprocess result |
| uint32_t mNextResultFrameNumber; |
| // the minimal frame number of the next reprocess result |
| uint32_t mNextReprocessResultFrameNumber; |
| // the minimal frame number of the next non-reprocess shutter |
| uint32_t mNextShutterFrameNumber; |
| // the minimal frame number of the next reprocess shutter |
| uint32_t mNextReprocessShutterFrameNumber; |
| List<CaptureResult> mResultQueue; |
| Condition mResultSignal; |
| wp<NotificationListener> mListener; |
| |
| /**** End scope for mOutputLock ****/ |
| |
| /** |
| * Callback functions from HAL device |
| */ |
| void processCaptureResult(const camera3_capture_result *result); |
| |
| void notify(const camera3_notify_msg *msg); |
| |
| // Specific notify handlers |
| void notifyError(const camera3_error_msg_t &msg, |
| sp<NotificationListener> listener); |
| void notifyShutter(const camera3_shutter_msg_t &msg, |
| sp<NotificationListener> listener); |
| |
| // helper function to return the output buffers to the streams. |
| void returnOutputBuffers(const camera3_stream_buffer_t *outputBuffers, |
| size_t numBuffers, nsecs_t timestamp); |
| |
| // Send a partial capture result. |
| void sendPartialCaptureResult(const camera_metadata_t * partialResult, |
| const CaptureResultExtras &resultExtras, uint32_t frameNumber, |
| const AeTriggerCancelOverride_t &aeTriggerCancelOverride); |
| |
| // Send a total capture result given the pending metadata and result extras, |
| // partial results, and the frame number to the result queue. |
| void sendCaptureResult(CameraMetadata &pendingMetadata, |
| CaptureResultExtras &resultExtras, |
| CameraMetadata &collectedPartialResult, uint32_t frameNumber, |
| bool reprocess, const AeTriggerCancelOverride_t &aeTriggerCancelOverride); |
| |
| // Insert the result to the result queue after updating frame number and overriding AE |
| // trigger cancel. |
| // mOutputLock must be held when calling this function. |
| void insertResultLocked(CaptureResult *result, uint32_t frameNumber, |
| const AeTriggerCancelOverride_t &aeTriggerCancelOverride); |
| |
| /**** Scope for mInFlightLock ****/ |
| |
| // Remove the in-flight map entry of the given index from mInFlightMap. |
| // It must only be called with mInFlightLock held. |
| void removeInFlightMapEntryLocked(int idx); |
| // Remove the in-flight request of the given index from mInFlightMap |
| // if it's no longer needed. It must only be called with mInFlightLock held. |
| void removeInFlightRequestIfReadyLocked(int idx); |
| |
| /**** End scope for mInFlightLock ****/ |
| |
| // Debug tracker for metadata tag value changes |
| // - Enabled with the -m <taglist> option to dumpsys, such as |
| // dumpsys -m android.control.aeState,android.control.aeMode |
| // - Disabled with -m off |
| // - dumpsys -m 3a is a shortcut for ae/af/awbMode, State, and Triggers |
| TagMonitor mTagMonitor; |
| |
| void monitorMetadata(TagMonitor::eventSource source, int64_t frameNumber, |
| nsecs_t timestamp, const CameraMetadata& metadata); |
| |
| /** |
| * Static callback forwarding methods from HAL to instance |
| */ |
| static callbacks_process_capture_result_t sProcessCaptureResult; |
| |
| static callbacks_notify_t sNotify; |
| |
| }; // class Camera3Device |
| |
| }; // namespace android |
| |
| #endif |
