| /* |
| * Copyright (C) Texas Instruments - http://www.ti.com/ |
| * |
| * 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_HARDWARE_CAMERA_HARDWARE_H |
| #define ANDROID_HARDWARE_CAMERA_HARDWARE_H |
| |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <time.h> |
| #include <fcntl.h> |
| #include <sys/ioctl.h> |
| #include <sys/mman.h> |
| #include <sys/stat.h> |
| #include <utils/Log.h> |
| #include <utils/threads.h> |
| #include <linux/videodev2.h> |
| #include "binder/MemoryBase.h" |
| #include "binder/MemoryHeapBase.h" |
| #include <utils/threads.h> |
| #include <camera/CameraParameters.h> |
| #include <hardware/camera.h> |
| #include "MessageQueue.h" |
| #include "Semaphore.h" |
| #include "CameraProperties.h" |
| #include "DebugUtils.h" |
| #include "SensorListener.h" |
| |
| #include <ui/GraphicBufferAllocator.h> |
| #include <ui/GraphicBuffer.h> |
| |
| #define MIN_WIDTH 640 |
| #define MIN_HEIGHT 480 |
| #define PICTURE_WIDTH 3264 /* 5mp - 2560. 8mp - 3280 */ /* Make sure it is a multiple of 16. */ |
| #define PICTURE_HEIGHT 2448 /* 5mp - 2048. 8mp - 2464 */ /* Make sure it is a multiple of 16. */ |
| #define PREVIEW_WIDTH 176 |
| #define PREVIEW_HEIGHT 144 |
| #define PIXEL_FORMAT V4L2_PIX_FMT_UYVY |
| |
| #define VIDEO_FRAME_COUNT_MAX 8 //NUM_OVERLAY_BUFFERS_REQUESTED |
| #define MAX_CAMERA_BUFFERS 8 //NUM_OVERLAY_BUFFERS_REQUESTED |
| #define MAX_ZOOM 3 |
| #define THUMB_WIDTH 80 |
| #define THUMB_HEIGHT 60 |
| #define PIX_YUV422I 0 |
| #define PIX_YUV420P 1 |
| |
| #define SATURATION_OFFSET 100 |
| #define SHARPNESS_OFFSET 100 |
| #define CONTRAST_OFFSET 100 |
| |
| #define CAMHAL_GRALLOC_USAGE GRALLOC_USAGE_HW_TEXTURE | \ |
| GRALLOC_USAGE_HW_RENDER | \ |
| GRALLOC_USAGE_SW_READ_RARELY | \ |
| GRALLOC_USAGE_SW_WRITE_NEVER |
| |
| //Enables Absolute PPM measurements in logcat |
| #define PPM_INSTRUMENTATION_ABS 1 |
| |
| #define LOCK_BUFFER_TRIES 5 |
| #define HAL_PIXEL_FORMAT_NV12 0x100 |
| |
| #define CAMHAL_LOGI ALOGI |
| |
| //Uncomment to enable more verbose/debug logs |
| //#define DEBUG_LOG |
| |
| ///Camera HAL Logging Functions |
| #ifndef DEBUG_LOG |
| |
| #define CAMHAL_LOGDA(str) |
| #define CAMHAL_LOGDB(str, ...) |
| #define CAMHAL_LOGVA(str) |
| #define CAMHAL_LOGVB(str, ...) |
| |
| #define CAMHAL_LOGEA ALOGE |
| #define CAMHAL_LOGEB ALOGE |
| |
| #undef LOG_FUNCTION_NAME |
| #undef LOG_FUNCTION_NAME_EXIT |
| #define LOG_FUNCTION_NAME |
| #define LOG_FUNCTION_NAME_EXIT |
| |
| #else |
| |
| #define CAMHAL_LOGDA DBGUTILS_LOGDA |
| #define CAMHAL_LOGDB DBGUTILS_LOGDB |
| #define CAMHAL_LOGVA DBGUTILS_LOGVA |
| #define CAMHAL_LOGVB DBGUTILS_LOGVB |
| |
| #define CAMHAL_LOGEA DBGUTILS_LOGEA |
| #define CAMHAL_LOGEB DBGUTILS_LOGEB |
| |
| #endif |
| |
| |
| |
| #define NONNEG_ASSIGN(x,y) \ |
| if(x > -1) \ |
| y = x |
| |
| namespace android { |
| |
| #define PARAM_BUFFER 6000 |
| |
| ///Forward declarations |
| class CameraHal; |
| class CameraFrame; |
| class CameraHalEvent; |
| class DisplayFrame; |
| |
| class CameraArea : public RefBase |
| { |
| public: |
| |
| CameraArea(ssize_t top, |
| ssize_t left, |
| ssize_t bottom, |
| ssize_t right, |
| size_t weight) : mTop(top), |
| mLeft(left), |
| mBottom(bottom), |
| mRight(right), |
| mWeight(weight) {} |
| |
| status_t transfrom(size_t width, |
| size_t height, |
| size_t &top, |
| size_t &left, |
| size_t &areaWidth, |
| size_t &areaHeight); |
| |
| bool isValid() |
| { |
| return ( ( 0 != mTop ) || ( 0 != mLeft ) || ( 0 != mBottom ) || ( 0 != mRight) ); |
| } |
| |
| bool isZeroArea() |
| { |
| return ( (0 == mTop ) && ( 0 == mLeft ) && ( 0 == mBottom ) |
| && ( 0 == mRight ) && ( 0 == mWeight )); |
| } |
| |
| size_t getWeight() |
| { |
| return mWeight; |
| } |
| |
| bool compare(const sp<CameraArea> &area); |
| |
| static status_t parseAreas(const char *area, |
| size_t areaLength, |
| Vector< sp<CameraArea> > &areas); |
| |
| static status_t checkArea(ssize_t top, |
| ssize_t left, |
| ssize_t bottom, |
| ssize_t right, |
| ssize_t weight); |
| |
| static bool areAreasDifferent(Vector< sp<CameraArea> > &, Vector< sp<CameraArea> > &); |
| |
| protected: |
| static const ssize_t TOP = -1000; |
| static const ssize_t LEFT = -1000; |
| static const ssize_t BOTTOM = 1000; |
| static const ssize_t RIGHT = 1000; |
| static const ssize_t WEIGHT_MIN = 1; |
| static const ssize_t WEIGHT_MAX = 1000; |
| |
| ssize_t mTop; |
| ssize_t mLeft; |
| ssize_t mBottom; |
| ssize_t mRight; |
| size_t mWeight; |
| }; |
| |
| class CameraFDResult : public RefBase |
| { |
| public: |
| |
| CameraFDResult() : mFaceData(NULL) {}; |
| CameraFDResult(camera_frame_metadata_t *faces) : mFaceData(faces) {}; |
| |
| virtual ~CameraFDResult() { |
| if ( ( NULL != mFaceData ) && ( NULL != mFaceData->faces ) ) { |
| free(mFaceData->faces); |
| free(mFaceData); |
| mFaceData=NULL; |
| } |
| |
| if(( NULL != mFaceData )) |
| { |
| free(mFaceData); |
| mFaceData = NULL; |
| } |
| } |
| |
| camera_frame_metadata_t *getFaceResult() { return mFaceData; }; |
| |
| static const ssize_t TOP = -1000; |
| static const ssize_t LEFT = -1000; |
| static const ssize_t BOTTOM = 1000; |
| static const ssize_t RIGHT = 1000; |
| static const ssize_t INVALID_DATA = -2000; |
| |
| private: |
| |
| camera_frame_metadata_t *mFaceData; |
| }; |
| |
| class CameraFrame |
| { |
| public: |
| |
| enum FrameType |
| { |
| PREVIEW_FRAME_SYNC = 0x1, ///SYNC implies that the frame needs to be explicitly returned after consuming in order to be filled by camera again |
| PREVIEW_FRAME = 0x2 , ///Preview frame includes viewfinder and snapshot frames |
| IMAGE_FRAME_SYNC = 0x4, ///Image Frame is the image capture output frame |
| IMAGE_FRAME = 0x8, |
| VIDEO_FRAME_SYNC = 0x10, ///Timestamp will be updated for these frames |
| VIDEO_FRAME = 0x20, |
| FRAME_DATA_SYNC = 0x40, ///Any extra data assosicated with the frame. Always synced with the frame |
| FRAME_DATA= 0x80, |
| RAW_FRAME = 0x100, |
| SNAPSHOT_FRAME = 0x200, |
| ALL_FRAMES = 0xFFFF ///Maximum of 16 frame types supported |
| }; |
| |
| enum FrameQuirks |
| { |
| ENCODE_RAW_YUV422I_TO_JPEG = 0x1 << 0, |
| HAS_EXIF_DATA = 0x1 << 1, |
| }; |
| |
| //default contrustor |
| CameraFrame(): |
| mCookie(NULL), |
| mCookie2(NULL), |
| mBuffer(NULL), |
| mFrameType(0), |
| mTimestamp(0), |
| mWidth(0), |
| mHeight(0), |
| mOffset(0), |
| mAlignment(0), |
| mFd(0), |
| mLength(0), |
| mFrameMask(0), |
| mQuirks(0) { |
| |
| mYuv[0] = NULL; |
| mYuv[1] = NULL; |
| } |
| |
| //copy constructor |
| CameraFrame(const CameraFrame &frame) : |
| mCookie(frame.mCookie), |
| mCookie2(frame.mCookie2), |
| mBuffer(frame.mBuffer), |
| mFrameType(frame.mFrameType), |
| mTimestamp(frame.mTimestamp), |
| mWidth(frame.mWidth), |
| mHeight(frame.mHeight), |
| mOffset(frame.mOffset), |
| mAlignment(frame.mAlignment), |
| mFd(frame.mFd), |
| mLength(frame.mLength), |
| mFrameMask(frame.mFrameMask), |
| mQuirks(frame.mQuirks) { |
| |
| mYuv[0] = frame.mYuv[0]; |
| mYuv[1] = frame.mYuv[1]; |
| } |
| |
| void *mCookie; |
| void *mCookie2; |
| void *mBuffer; |
| int mFrameType; |
| nsecs_t mTimestamp; |
| unsigned int mWidth, mHeight; |
| uint32_t mOffset; |
| unsigned int mAlignment; |
| int mFd; |
| size_t mLength; |
| unsigned mFrameMask; |
| unsigned int mQuirks; |
| unsigned int mYuv[2]; |
| ///@todo add other member vars like stride etc |
| }; |
| |
| enum CameraHalError |
| { |
| CAMERA_ERROR_FATAL = 0x1, //Fatal errors can only be recovered by restarting media server |
| CAMERA_ERROR_HARD = 0x2, // Hard errors are hardware hangs that may be recoverable by resetting the hardware internally within the adapter |
| CAMERA_ERROR_SOFT = 0x4, // Soft errors are non fatal errors that can be recovered from without needing to stop use-case |
| }; |
| |
| ///Common Camera Hal Event class which is visible to CameraAdapter,DisplayAdapter and AppCallbackNotifier |
| ///@todo Rename this class to CameraEvent |
| class CameraHalEvent |
| { |
| public: |
| //Enums |
| enum CameraHalEventType { |
| NO_EVENTS = 0x0, |
| EVENT_FOCUS_LOCKED = 0x1, |
| EVENT_FOCUS_ERROR = 0x2, |
| EVENT_ZOOM_INDEX_REACHED = 0x4, |
| EVENT_SHUTTER = 0x8, |
| EVENT_FACE = 0x10, |
| ///@remarks Future enum related to display, like frame displayed event, could be added here |
| ALL_EVENTS = 0xFFFF ///Maximum of 16 event types supported |
| }; |
| |
| enum FocusStatus { |
| FOCUS_STATUS_SUCCESS = 0x1, |
| FOCUS_STATUS_FAIL = 0x2, |
| FOCUS_STATUS_PENDING = 0x4, |
| FOCUS_STATUS_DONE = 0x8, |
| }; |
| |
| ///Class declarations |
| ///@remarks Add a new class for a new event type added above |
| |
| //Shutter event specific data |
| typedef struct ShutterEventData_t { |
| bool shutterClosed; |
| }ShutterEventData; |
| |
| ///Focus event specific data |
| typedef struct FocusEventData_t { |
| FocusStatus focusStatus; |
| int currentFocusValue; |
| } FocusEventData; |
| |
| ///Zoom specific event data |
| typedef struct ZoomEventData_t { |
| int currentZoomIndex; |
| bool targetZoomIndexReached; |
| } ZoomEventData; |
| |
| typedef struct FaceData_t { |
| ssize_t top; |
| ssize_t left; |
| ssize_t bottom; |
| ssize_t right; |
| size_t score; |
| } FaceData; |
| |
| typedef sp<CameraFDResult> FaceEventData; |
| |
| class CameraHalEventData : public RefBase{ |
| |
| public: |
| |
| CameraHalEvent::FocusEventData focusEvent; |
| CameraHalEvent::ZoomEventData zoomEvent; |
| CameraHalEvent::ShutterEventData shutterEvent; |
| CameraHalEvent::FaceEventData faceEvent; |
| }; |
| |
| //default contrustor |
| CameraHalEvent(): |
| mCookie(NULL), |
| mEventType(NO_EVENTS) {} |
| |
| //copy constructor |
| CameraHalEvent(const CameraHalEvent &event) : |
| mCookie(event.mCookie), |
| mEventType(event.mEventType), |
| mEventData(event.mEventData) {}; |
| |
| void* mCookie; |
| CameraHalEventType mEventType; |
| sp<CameraHalEventData> mEventData; |
| |
| }; |
| |
| /// Have a generic callback class based on template - to adapt CameraFrame and Event |
| typedef void (*frame_callback) (CameraFrame *cameraFrame); |
| typedef void (*event_callback) (CameraHalEvent *event); |
| |
| //signals CameraHAL to relase image buffers |
| typedef void (*release_image_buffers_callback) (void *userData); |
| typedef void (*end_image_capture_callback) (void *userData); |
| |
| /** |
| * Interface class implemented by classes that have some events to communicate to dependendent classes |
| * Dependent classes use this interface for registering for events |
| */ |
| class MessageNotifier |
| { |
| public: |
| static const uint32_t EVENT_BIT_FIELD_POSITION; |
| static const uint32_t FRAME_BIT_FIELD_POSITION; |
| |
| ///@remarks Msg type comes from CameraFrame and CameraHalEvent classes |
| /// MSB 16 bits is for events and LSB 16 bits is for frame notifications |
| /// FrameProvider and EventProvider classes act as helpers to event/frame |
| /// consumers to call this api |
| virtual void enableMsgType(int32_t msgs, frame_callback frameCb=NULL, event_callback eventCb=NULL, void* cookie=NULL) = 0; |
| virtual void disableMsgType(int32_t msgs, void* cookie) = 0; |
| |
| virtual ~MessageNotifier() {}; |
| }; |
| |
| class ErrorNotifier : public virtual RefBase |
| { |
| public: |
| virtual void errorNotify(int error) = 0; |
| |
| virtual ~ErrorNotifier() {}; |
| }; |
| |
| |
| /** |
| * Interace class abstraction for Camera Adapter to act as a frame provider |
| * This interface is fully implemented by Camera Adapter |
| */ |
| class FrameNotifier : public MessageNotifier |
| { |
| public: |
| virtual void returnFrame(void* frameBuf, CameraFrame::FrameType frameType) = 0; |
| virtual void addFramePointers(void *frameBuf, void *buf) = 0; |
| virtual void removeFramePointers() = 0; |
| |
| virtual ~FrameNotifier() {}; |
| }; |
| |
| /** * Wrapper class around Frame Notifier, which is used by display and notification classes for interacting with Camera Adapter |
| */ |
| class FrameProvider |
| { |
| FrameNotifier* mFrameNotifier; |
| void* mCookie; |
| frame_callback mFrameCallback; |
| |
| public: |
| FrameProvider(FrameNotifier *fn, void* cookie, frame_callback frameCallback) |
| :mFrameNotifier(fn), mCookie(cookie),mFrameCallback(frameCallback) { } |
| |
| int enableFrameNotification(int32_t frameTypes); |
| int disableFrameNotification(int32_t frameTypes); |
| int returnFrame(void *frameBuf, CameraFrame::FrameType frameType); |
| void addFramePointers(void *frameBuf, void *buf); |
| void removeFramePointers(); |
| }; |
| |
| /** Wrapper class around MessageNotifier, which is used by display and notification classes for interacting with |
| * Camera Adapter |
| */ |
| class EventProvider |
| { |
| public: |
| MessageNotifier* mEventNotifier; |
| void* mCookie; |
| event_callback mEventCallback; |
| |
| public: |
| EventProvider(MessageNotifier *mn, void* cookie, event_callback eventCallback) |
| :mEventNotifier(mn), mCookie(cookie), mEventCallback(eventCallback) {} |
| |
| int enableEventNotification(int32_t eventTypes); |
| int disableEventNotification(int32_t eventTypes); |
| }; |
| |
| /* |
| * Interface for providing buffers |
| */ |
| class BufferProvider |
| { |
| public: |
| virtual void* allocateBuffer(int width, int height, const char* format, int &bytes, int numBufs) = 0; |
| |
| //additional methods used for memory mapping |
| virtual uint32_t * getOffsets() = 0; |
| virtual int getFd() = 0; |
| |
| virtual int freeBuffer(void* buf) = 0; |
| |
| virtual ~BufferProvider() {} |
| }; |
| |
| /** |
| * Class for handling data and notify callbacks to application |
| */ |
| class AppCallbackNotifier: public ErrorNotifier , public virtual RefBase |
| { |
| |
| public: |
| |
| ///Constants |
| static const int NOTIFIER_TIMEOUT; |
| static const int32_t MAX_BUFFERS = 8; |
| |
| enum NotifierCommands |
| { |
| NOTIFIER_CMD_PROCESS_EVENT, |
| NOTIFIER_CMD_PROCESS_FRAME, |
| NOTIFIER_CMD_PROCESS_ERROR |
| }; |
| |
| enum NotifierState |
| { |
| NOTIFIER_STOPPED, |
| NOTIFIER_STARTED, |
| NOTIFIER_EXITED |
| }; |
| |
| public: |
| |
| ~AppCallbackNotifier(); |
| |
| ///Initialzes the callback notifier, creates any resources required |
| status_t initialize(); |
| |
| ///Starts the callbacks to application |
| status_t start(); |
| |
| ///Stops the callbacks from going to application |
| status_t stop(); |
| |
| void setEventProvider(int32_t eventMask, MessageNotifier * eventProvider); |
| void setFrameProvider(FrameNotifier *frameProvider); |
| |
| //All sub-components of Camera HAL call this whenever any error happens |
| virtual void errorNotify(int error); |
| |
| status_t startPreviewCallbacks(CameraParameters ¶ms, void *buffers, uint32_t *offsets, int fd, size_t length, size_t count); |
| status_t stopPreviewCallbacks(); |
| |
| status_t enableMsgType(int32_t msgType); |
| status_t disableMsgType(int32_t msgType); |
| |
| //API for enabling/disabling measurement data |
| void setMeasurements(bool enable); |
| |
| //thread loops |
| bool notificationThread(); |
| |
| ///Notification callback functions |
| static void frameCallbackRelay(CameraFrame* caFrame); |
| static void eventCallbackRelay(CameraHalEvent* chEvt); |
| void frameCallback(CameraFrame* caFrame); |
| void eventCallback(CameraHalEvent* chEvt); |
| void flushAndReturnFrames(); |
| |
| void setCallbacks(CameraHal *cameraHal, |
| camera_notify_callback notify_cb, |
| camera_data_callback data_cb, |
| camera_data_timestamp_callback data_cb_timestamp, |
| camera_request_memory get_memory, |
| void *user); |
| |
| //Set Burst mode |
| void setBurst(bool burst); |
| |
| //Notifications from CameraHal for video recording case |
| status_t startRecording(); |
| status_t stopRecording(); |
| status_t initSharedVideoBuffers(void *buffers, uint32_t *offsets, int fd, size_t length, size_t count, void *vidBufs); |
| status_t releaseRecordingFrame(const void *opaque); |
| |
| status_t useMetaDataBufferMode(bool enable); |
| |
| void EncoderDoneCb(void*, void*, CameraFrame::FrameType type, void* cookie1, void* cookie2); |
| |
| void useVideoBuffers(bool useVideoBuffers); |
| |
| bool getUesVideoBuffers(); |
| void setVideoRes(int width, int height); |
| |
| void flushEventQueue(); |
| |
| //Internal class definitions |
| class NotificationThread : public Thread { |
| AppCallbackNotifier* mAppCallbackNotifier; |
| TIUTILS::MessageQueue mNotificationThreadQ; |
| public: |
| enum NotificationThreadCommands |
| { |
| NOTIFIER_START, |
| NOTIFIER_STOP, |
| NOTIFIER_EXIT, |
| }; |
| public: |
| NotificationThread(AppCallbackNotifier* nh) |
| : Thread(false), mAppCallbackNotifier(nh) { } |
| virtual bool threadLoop() { |
| return mAppCallbackNotifier->notificationThread(); |
| } |
| |
| TIUTILS::MessageQueue &msgQ() { return mNotificationThreadQ;} |
| }; |
| |
| //Friend declarations |
| friend class NotificationThread; |
| |
| private: |
| void notifyEvent(); |
| void notifyFrame(); |
| bool processMessage(); |
| void releaseSharedVideoBuffers(); |
| status_t dummyRaw(); |
| void copyAndSendPictureFrame(CameraFrame* frame, int32_t msgType); |
| void copyAndSendPreviewFrame(CameraFrame* frame, int32_t msgType); |
| |
| private: |
| mutable Mutex mLock; |
| mutable Mutex mBurstLock; |
| CameraHal* mCameraHal; |
| camera_notify_callback mNotifyCb; |
| camera_data_callback mDataCb; |
| camera_data_timestamp_callback mDataCbTimestamp; |
| camera_request_memory mRequestMemory; |
| void *mCallbackCookie; |
| |
| //Keeps Video MemoryHeaps and Buffers within |
| //these objects |
| KeyedVector<unsigned int, unsigned int> mVideoHeaps; |
| KeyedVector<unsigned int, unsigned int> mVideoBuffers; |
| KeyedVector<unsigned int, unsigned int> mVideoMap; |
| |
| //Keeps list of Gralloc handles and associated Video Metadata Buffers |
| KeyedVector<uint32_t, uint32_t> mVideoMetadataBufferMemoryMap; |
| KeyedVector<uint32_t, uint32_t> mVideoMetadataBufferReverseMap; |
| |
| bool mBufferReleased; |
| |
| sp< NotificationThread> mNotificationThread; |
| EventProvider *mEventProvider; |
| FrameProvider *mFrameProvider; |
| TIUTILS::MessageQueue mEventQ; |
| TIUTILS::MessageQueue mFrameQ; |
| NotifierState mNotifierState; |
| |
| bool mPreviewing; |
| camera_memory_t* mPreviewMemory; |
| unsigned char* mPreviewBufs[MAX_BUFFERS]; |
| int mPreviewBufCount; |
| const char *mPreviewPixelFormat; |
| KeyedVector<unsigned int, sp<MemoryHeapBase> > mSharedPreviewHeaps; |
| KeyedVector<unsigned int, sp<MemoryBase> > mSharedPreviewBuffers; |
| |
| //Burst mode active |
| bool mBurst; |
| mutable Mutex mRecordingLock; |
| bool mRecording; |
| bool mMeasurementEnabled; |
| |
| bool mUseMetaDataBufferMode; |
| bool mRawAvailable; |
| |
| bool mUseVideoBuffers; |
| |
| int mVideoWidth; |
| int mVideoHeight; |
| |
| }; |
| |
| |
| /** |
| * Class used for allocating memory for JPEG bit stream buffers, output buffers of camera in no overlay case |
| */ |
| class MemoryManager : public BufferProvider, public virtual RefBase |
| { |
| public: |
| MemoryManager():mIonFd(-1){ } |
| |
| ///Initializes the memory manager creates any resources required |
| status_t initialize() { return NO_ERROR; } |
| |
| int setErrorHandler(ErrorNotifier *errorNotifier); |
| virtual void* allocateBuffer(int width, int height, const char* format, int &bytes, int numBufs); |
| virtual uint32_t * getOffsets(); |
| virtual int getFd() ; |
| virtual int freeBuffer(void* buf); |
| |
| private: |
| |
| sp<ErrorNotifier> mErrorNotifier; |
| int mIonFd; |
| KeyedVector<unsigned int, unsigned int> mIonHandleMap; |
| KeyedVector<unsigned int, unsigned int> mIonFdMap; |
| KeyedVector<unsigned int, unsigned int> mIonBufLength; |
| }; |
| |
| |
| |
| |
| /** |
| * CameraAdapter interface class |
| * Concrete classes derive from this class and provide implementations based on the specific camera h/w interface |
| */ |
| |
| class CameraAdapter: public FrameNotifier, public virtual RefBase |
| { |
| protected: |
| enum AdapterActiveStates { |
| INTIALIZED_ACTIVE = 1 << 0, |
| LOADED_PREVIEW_ACTIVE = 1 << 1, |
| PREVIEW_ACTIVE = 1 << 2, |
| LOADED_CAPTURE_ACTIVE = 1 << 3, |
| CAPTURE_ACTIVE = 1 << 4, |
| BRACKETING_ACTIVE = 1 << 5, |
| AF_ACTIVE = 1 << 6, |
| ZOOM_ACTIVE = 1 << 7, |
| VIDEO_ACTIVE = 1 << 8, |
| }; |
| public: |
| typedef struct |
| { |
| void *mBuffers; |
| uint32_t *mOffsets; |
| int mFd; |
| size_t mLength; |
| size_t mCount; |
| size_t mMaxQueueable; |
| } BuffersDescriptor; |
| |
| enum CameraCommands |
| { |
| CAMERA_START_PREVIEW = 0, |
| CAMERA_STOP_PREVIEW = 1, |
| CAMERA_START_VIDEO = 2, |
| CAMERA_STOP_VIDEO = 3, |
| CAMERA_START_IMAGE_CAPTURE = 4, |
| CAMERA_STOP_IMAGE_CAPTURE = 5, |
| CAMERA_PERFORM_AUTOFOCUS = 6, |
| CAMERA_CANCEL_AUTOFOCUS = 7, |
| CAMERA_PREVIEW_FLUSH_BUFFERS = 8, |
| CAMERA_START_SMOOTH_ZOOM = 9, |
| CAMERA_STOP_SMOOTH_ZOOM = 10, |
| CAMERA_USE_BUFFERS_PREVIEW = 11, |
| CAMERA_SET_TIMEOUT = 12, |
| CAMERA_CANCEL_TIMEOUT = 13, |
| CAMERA_START_BRACKET_CAPTURE = 14, |
| CAMERA_STOP_BRACKET_CAPTURE = 15, |
| CAMERA_QUERY_RESOLUTION_PREVIEW = 16, |
| CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE = 17, |
| CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA = 18, |
| CAMERA_USE_BUFFERS_IMAGE_CAPTURE = 19, |
| CAMERA_USE_BUFFERS_PREVIEW_DATA = 20, |
| CAMERA_TIMEOUT_EXPIRED = 21, |
| CAMERA_START_FD = 22, |
| CAMERA_STOP_FD = 23, |
| CAMERA_SWITCH_TO_EXECUTING = 24, |
| }; |
| |
| enum CameraMode |
| { |
| CAMERA_PREVIEW, |
| CAMERA_IMAGE_CAPTURE, |
| CAMERA_VIDEO, |
| CAMERA_MEASUREMENT |
| }; |
| |
| enum AdapterState { |
| INTIALIZED_STATE = INTIALIZED_ACTIVE, |
| LOADED_PREVIEW_STATE = LOADED_PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| PREVIEW_STATE = PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| LOADED_CAPTURE_STATE = LOADED_CAPTURE_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| CAPTURE_STATE = CAPTURE_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| BRACKETING_STATE = BRACKETING_ACTIVE | CAPTURE_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE , |
| AF_STATE = AF_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| ZOOM_STATE = ZOOM_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| VIDEO_STATE = VIDEO_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| VIDEO_AF_STATE = VIDEO_ACTIVE | AF_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| VIDEO_ZOOM_STATE = VIDEO_ACTIVE | ZOOM_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| VIDEO_LOADED_CAPTURE_STATE = VIDEO_ACTIVE | LOADED_CAPTURE_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| VIDEO_CAPTURE_STATE = VIDEO_ACTIVE | CAPTURE_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| AF_ZOOM_STATE = AF_ACTIVE | ZOOM_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| BRACKETING_ZOOM_STATE = BRACKETING_ACTIVE | ZOOM_ACTIVE | PREVIEW_ACTIVE | INTIALIZED_ACTIVE, |
| }; |
| |
| public: |
| |
| ///Initialzes the camera adapter creates any resources required |
| virtual int initialize(CameraProperties::Properties*) = 0; |
| |
| virtual int setErrorHandler(ErrorNotifier *errorNotifier) = 0; |
| |
| //Message/Frame notification APIs |
| virtual void enableMsgType(int32_t msgs, |
| frame_callback callback = NULL, |
| event_callback eventCb = NULL, |
| void *cookie = NULL) = 0; |
| virtual void disableMsgType(int32_t msgs, void* cookie) = 0; |
| virtual void returnFrame(void* frameBuf, CameraFrame::FrameType frameType) = 0; |
| virtual void addFramePointers(void *frameBuf, void *buf) = 0; |
| virtual void removeFramePointers() = 0; |
| |
| //APIs to configure Camera adapter and get the current parameter set |
| virtual int setParameters(const CameraParameters& params) = 0; |
| virtual void getParameters(CameraParameters& params) = 0; |
| |
| //API to flush the buffers from Camera |
| status_t flushBuffers() |
| { |
| return sendCommand(CameraAdapter::CAMERA_PREVIEW_FLUSH_BUFFERS); |
| } |
| |
| //Registers callback for returning image buffers back to CameraHAL |
| virtual int registerImageReleaseCallback(release_image_buffers_callback callback, void *user_data) = 0; |
| |
| //Registers callback, which signals a completed image capture |
| virtual int registerEndCaptureCallback(end_image_capture_callback callback, void *user_data) = 0; |
| |
| //API to send a command to the camera |
| virtual status_t sendCommand(CameraCommands operation, int value1=0, int value2=0, int value3=0) = 0; |
| |
| virtual ~CameraAdapter() {}; |
| |
| //Retrieves the current Adapter state |
| virtual AdapterState getState() = 0; |
| |
| //Retrieves the next Adapter state |
| virtual AdapterState getNextState() = 0; |
| |
| // Receive orientation events from CameraHal |
| virtual void onOrientationEvent(uint32_t orientation, uint32_t tilt) = 0; |
| |
| // Rolls the state machine back to INTIALIZED_STATE from the current state |
| virtual status_t rollbackToInitializedState() = 0; |
| |
| // Retrieves the current Adapter state - for internal use (not locked) |
| virtual status_t getState(AdapterState &state) = 0; |
| // Retrieves the next Adapter state - for internal use (not locked) |
| virtual status_t getNextState(AdapterState &state) = 0; |
| |
| protected: |
| //The first two methods will try to switch the adapter state. |
| //Every call to setState() should be followed by a corresponding |
| //call to commitState(). If the state switch fails, then it will |
| //get reset to the previous state via rollbackState(). |
| virtual status_t setState(CameraCommands operation) = 0; |
| virtual status_t commitState() = 0; |
| virtual status_t rollbackState() = 0; |
| }; |
| |
| class DisplayAdapter : public BufferProvider, public virtual RefBase |
| { |
| public: |
| typedef struct S3DParameters_t |
| { |
| int mode; |
| int framePacking; |
| int order; |
| int subSampling; |
| } S3DParameters; |
| |
| ///Initializes the display adapter creates any resources required |
| virtual int initialize() = 0; |
| |
| virtual int setPreviewWindow(struct preview_stream_ops *window) = 0; |
| virtual int setFrameProvider(FrameNotifier *frameProvider) = 0; |
| virtual int setErrorHandler(ErrorNotifier *errorNotifier) = 0; |
| virtual int enableDisplay(int width, int height, struct timeval *refTime = NULL, S3DParameters *s3dParams = NULL) = 0; |
| virtual int disableDisplay(bool cancel_buffer = true) = 0; |
| //Used for Snapshot review temp. pause |
| virtual int pauseDisplay(bool pause) = 0; |
| |
| #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS |
| //Used for shot to snapshot measurement |
| virtual int setSnapshotTimeRef(struct timeval *refTime = NULL) = 0; |
| #endif |
| |
| virtual int useBuffers(void *bufArr, int num) = 0; |
| virtual bool supportsExternalBuffering() = 0; |
| |
| // Get max queueable buffers display supports |
| // This function should only be called after |
| // allocateBuffer |
| virtual int maxQueueableBuffers(unsigned int& queueable) = 0; |
| }; |
| |
| static void releaseImageBuffers(void *userData); |
| |
| static void endImageCapture(void *userData); |
| |
| /** |
| Implementation of the Android Camera hardware abstraction layer |
| |
| This class implements the interface methods defined in CameraHardwareInterface |
| for the OMAP4 platform |
| |
| */ |
| class CameraHal |
| |
| { |
| |
| public: |
| ///Constants |
| static const int NO_BUFFERS_PREVIEW; |
| static const int NO_BUFFERS_IMAGE_CAPTURE; |
| static const uint32_t VFR_SCALE = 1000; |
| |
| |
| /*--------------------Interface Methods---------------------------------*/ |
| |
| //@{ |
| public: |
| |
| /** Set the notification and data callbacks */ |
| void setCallbacks(camera_notify_callback notify_cb, |
| camera_data_callback data_cb, |
| camera_data_timestamp_callback data_cb_timestamp, |
| camera_request_memory get_memory, |
| void *user); |
| |
| /** Receives orientation events from SensorListener **/ |
| void onOrientationEvent(uint32_t orientation, uint32_t tilt); |
| |
| /** |
| * The following three functions all take a msgtype, |
| * which is a bitmask of the messages defined in |
| * include/ui/Camera.h |
| */ |
| |
| /** |
| * Enable a message, or set of messages. |
| */ |
| void enableMsgType(int32_t msgType); |
| |
| /** |
| * Disable a message, or a set of messages. |
| */ |
| void disableMsgType(int32_t msgType); |
| |
| /** |
| * Query whether a message, or a set of messages, is enabled. |
| * Note that this is operates as an AND, if any of the messages |
| * queried are off, this will return false. |
| */ |
| int msgTypeEnabled(int32_t msgType); |
| |
| /** |
| * Start preview mode. |
| */ |
| int startPreview(); |
| |
| /** |
| * Only used if overlays are used for camera preview. |
| */ |
| int setPreviewWindow(struct preview_stream_ops *window); |
| |
| /** |
| * Stop a previously started preview. |
| */ |
| void stopPreview(); |
| |
| /** |
| * Returns true if preview is enabled. |
| */ |
| bool previewEnabled(); |
| |
| /** |
| * Start record mode. When a record image is available a CAMERA_MSG_VIDEO_FRAME |
| * message is sent with the corresponding frame. Every record frame must be released |
| * by calling releaseRecordingFrame(). |
| */ |
| int startRecording(); |
| |
| /** |
| * Stop a previously started recording. |
| */ |
| void stopRecording(); |
| |
| /** |
| * Returns true if recording is enabled. |
| */ |
| int recordingEnabled(); |
| |
| /** |
| * Release a record frame previously returned by CAMERA_MSG_VIDEO_FRAME. |
| */ |
| void releaseRecordingFrame(const void *opaque); |
| |
| /** |
| * Start auto focus, the notification callback routine is called |
| * with CAMERA_MSG_FOCUS once when focusing is complete. autoFocus() |
| * will be called again if another auto focus is needed. |
| */ |
| int autoFocus(); |
| |
| /** |
| * Cancels auto-focus function. If the auto-focus is still in progress, |
| * this function will cancel it. Whether the auto-focus is in progress |
| * or not, this function will return the focus position to the default. |
| * If the camera does not support auto-focus, this is a no-op. |
| */ |
| int cancelAutoFocus(); |
| |
| /** |
| * Take a picture. |
| */ |
| int takePicture(); |
| |
| /** |
| * Cancel a picture that was started with takePicture. Calling this |
| * method when no picture is being taken is a no-op. |
| */ |
| int cancelPicture(); |
| |
| /** Set the camera parameters. */ |
| int setParameters(const char* params); |
| int setParameters(const CameraParameters& params); |
| |
| /** Return the camera parameters. */ |
| char* getParameters(); |
| void putParameters(char *); |
| |
| /** |
| * Send command to camera driver. |
| */ |
| int sendCommand(int32_t cmd, int32_t arg1, int32_t arg2); |
| |
| /** |
| * Release the hardware resources owned by this object. Note that this is |
| * *not* done in the destructor. |
| */ |
| void release(); |
| |
| /** |
| * Dump state of the camera hardware |
| */ |
| int dump(int fd) const; |
| |
| |
| status_t storeMetaDataInBuffers(bool enable); |
| |
| //@} |
| |
| /*--------------------Internal Member functions - Public---------------------------------*/ |
| |
| public: |
| /** @name internalFunctionsPublic */ |
| //@{ |
| |
| /** Constructor of CameraHal */ |
| CameraHal(int cameraId); |
| |
| // Destructor of CameraHal |
| ~CameraHal(); |
| |
| /** Initialize CameraHal */ |
| status_t initialize(CameraProperties::Properties*); |
| |
| /** Deinitialize CameraHal */ |
| void deinitialize(); |
| |
| #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS |
| |
| //Uses the constructor timestamp as a reference to calcluate the |
| // elapsed time |
| static void PPM(const char *); |
| //Uses a user provided timestamp as a reference to calcluate the |
| // elapsed time |
| static void PPM(const char *, struct timeval*, ...); |
| |
| #endif |
| |
| /** Free image bufs */ |
| status_t freeImageBufs(); |
| |
| //Signals the end of image capture |
| status_t signalEndImageCapture(); |
| |
| //Events |
| static void eventCallbackRelay(CameraHalEvent* event); |
| void eventCallback(CameraHalEvent* event); |
| void setEventProvider(int32_t eventMask, MessageNotifier * eventProvider); |
| |
| /*--------------------Internal Member functions - Private---------------------------------*/ |
| private: |
| |
| /** @name internalFunctionsPrivate */ |
| //@{ |
| |
| /** Set the camera parameters specific to Video Recording. */ |
| bool setVideoModeParameters(const CameraParameters&); |
| |
| /** Reset the camera parameters specific to Video Recording. */ |
| bool resetVideoModeParameters(); |
| |
| /** Restart the preview with setParameter. */ |
| status_t restartPreview(); |
| |
| status_t parseResolution(const char *resStr, int &width, int &height); |
| |
| void insertSupportedParams(); |
| |
| /** Allocate preview data buffers */ |
| status_t allocPreviewDataBufs(size_t size, size_t bufferCount); |
| |
| /** Free preview data buffers */ |
| status_t freePreviewDataBufs(); |
| |
| /** Allocate preview buffers */ |
| status_t allocPreviewBufs(int width, int height, const char* previewFormat, unsigned int bufferCount, unsigned int &max_queueable); |
| |
| /** Allocate video buffers */ |
| status_t allocVideoBufs(uint32_t width, uint32_t height, uint32_t bufferCount); |
| |
| /** Allocate image capture buffers */ |
| status_t allocImageBufs(unsigned int width, unsigned int height, size_t length, const char* previewFormat, unsigned int bufferCount); |
| |
| /** Free preview buffers */ |
| status_t freePreviewBufs(); |
| |
| /** Free video bufs */ |
| status_t freeVideoBufs(void *bufs); |
| |
| //Check if a given resolution is supported by the current camera |
| //instance |
| bool isResolutionValid(unsigned int width, unsigned int height, const char *supportedResolutions); |
| |
| //Check if a given parameter is supported by the current camera |
| // instance |
| bool isParameterValid(const char *param, const char *supportedParams); |
| bool isParameterValid(int param, const char *supportedParams); |
| status_t doesSetParameterNeedUpdate(const char *new_param, const char *old_params, bool &update); |
| |
| /** Initialize default parameters */ |
| void initDefaultParameters(); |
| |
| void dumpProperties(CameraProperties::Properties& cameraProps); |
| |
| status_t startImageBracketing(); |
| |
| status_t stopImageBracketing(); |
| |
| void setShutter(bool enable); |
| |
| void forceStopPreview(); |
| |
| void selectFPSRange(int framerate, int *min_fps, int *max_fps); |
| |
| void setPreferredPreviewRes(int width, int height); |
| void resetPreviewRes(CameraParameters *mParams, int width, int height); |
| |
| //@} |
| |
| |
| /*----------Member variables - Public ---------------------*/ |
| public: |
| int32_t mMsgEnabled; |
| bool mRecordEnabled; |
| nsecs_t mCurrentTime; |
| bool mFalsePreview; |
| bool mPreviewEnabled; |
| uint32_t mTakePictureQueue; |
| bool mBracketingEnabled; |
| bool mBracketingRunning; |
| //User shutter override |
| bool mShutterEnabled; |
| bool mMeasurementEnabled; |
| //Google's parameter delimiter |
| static const char PARAMS_DELIMITER[]; |
| |
| CameraAdapter *mCameraAdapter; |
| sp<AppCallbackNotifier> mAppCallbackNotifier; |
| sp<DisplayAdapter> mDisplayAdapter; |
| sp<MemoryManager> mMemoryManager; |
| |
| sp<IMemoryHeap> mPictureHeap; |
| |
| int* mGrallocHandles; |
| bool mFpsRangeChangedByApp; |
| |
| |
| |
| |
| |
| ///static member vars |
| |
| #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS |
| |
| //Timestamp from the CameraHal constructor |
| static struct timeval ppm_start; |
| //Timestamp of the autoFocus command |
| static struct timeval mStartFocus; |
| //Timestamp of the startPreview command |
| static struct timeval mStartPreview; |
| //Timestamp of the takePicture command |
| static struct timeval mStartCapture; |
| |
| #endif |
| |
| /*----------Member variables - Private ---------------------*/ |
| private: |
| bool mDynamicPreviewSwitch; |
| //keeps paused state of display |
| bool mDisplayPaused; |
| //Index of current camera adapter |
| int mCameraIndex; |
| |
| mutable Mutex mLock; |
| |
| sp<SensorListener> mSensorListener; |
| |
| void* mCameraAdapterHandle; |
| |
| CameraParameters mParameters; |
| bool mPreviewRunning; |
| bool mPreviewStateOld; |
| bool mRecordingEnabled; |
| EventProvider *mEventProvider; |
| |
| int32_t *mPreviewDataBufs; |
| uint32_t *mPreviewDataOffsets; |
| int mPreviewDataFd; |
| int mPreviewDataLength; |
| int32_t *mImageBufs; |
| uint32_t *mImageOffsets; |
| int mImageFd; |
| int mImageLength; |
| int32_t *mPreviewBufs; |
| uint32_t *mPreviewOffsets; |
| int mPreviewLength; |
| int mPreviewFd; |
| int32_t *mVideoBufs; |
| uint32_t *mVideoOffsets; |
| int mVideoFd; |
| int mVideoLength; |
| |
| int mBracketRangePositive; |
| int mBracketRangeNegative; |
| |
| ///@todo Rename this as preview buffer provider |
| BufferProvider *mBufProvider; |
| BufferProvider *mVideoBufProvider; |
| |
| |
| CameraProperties::Properties* mCameraProperties; |
| |
| bool mPreviewStartInProgress; |
| |
| bool mSetPreviewWindowCalled; |
| |
| uint32_t mPreviewWidth; |
| uint32_t mPreviewHeight; |
| int32_t mMaxZoomSupported; |
| |
| int mVideoWidth; |
| int mVideoHeight; |
| |
| }; |
| |
| |
| }; // namespace android |
| |
| #endif |
