QCamera3HWI.h revision c31ab1ae7cd6b6eb410e71ead51dd36089dc2397
1/* Copyright (c) 2012-2013, The Linux Foundataion. All rights reserved. 2* 3* Redistribution and use in source and binary forms, with or without 4* modification, are permitted provided that the following conditions are 5* met: 6* * Redistributions of source code must retain the above copyright 7* notice, this list of conditions and the following disclaimer. 8* * Redistributions in binary form must reproduce the above 9* copyright notice, this list of conditions and the following 10* disclaimer in the documentation and/or other materials provided 11* with the distribution. 12* * Neither the name of The Linux Foundation nor the names of its 13* contributors may be used to endorse or promote products derived 14* from this software without specific prior written permission. 15* 16* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27* 28*/ 29 30#ifndef __QCAMERA3HARDWAREINTERFACE_H__ 31#define __QCAMERA3HARDWAREINTERFACE_H__ 32 33#include <pthread.h> 34#include <utils/List.h> 35#include <utils/KeyedVector.h> 36#include <hardware/camera3.h> 37#include <camera/CameraMetadata.h> 38#include "QCamera3HALHeader.h" 39#include "QCamera3Channel.h" 40 41extern "C" { 42#include <mm_camera_interface.h> 43#include <mm_jpeg_interface.h> 44} 45 46using namespace android; 47 48namespace qcamera { 49 50#ifndef TRUE 51#define TRUE 1 52#endif 53 54#ifndef FALSE 55#define FALSE 0 56#endif 57 58#define HAL_3_CAPABILITIES 59 60/* Time related macros */ 61typedef int64_t nsecs_t; 62#define NSEC_PER_SEC 1000000000LL 63#define NSEC_PER_USEC 1000 64#define NSEC_PER_33MSEC 33000000LL 65 66class QCamera3MetadataChannel; 67class QCamera3PicChannel; 68class QCamera3HeapMemory; 69class QCamera3Exif; 70 71class QCamera3HardwareInterface { 72public: 73 /* static variable and functions accessed by camera service */ 74 static camera3_device_ops_t mCameraOps; 75 static int initialize(const struct camera3_device *, 76 const camera3_callback_ops_t *callback_ops); 77 static int configure_streams(const struct camera3_device *, 78 camera3_stream_configuration_t *stream_list); 79 static int register_stream_buffers(const struct camera3_device *, 80 const camera3_stream_buffer_set_t *buffer_set); 81 static const camera_metadata_t* construct_default_request_settings( 82 const struct camera3_device *, int type); 83 static int process_capture_request(const struct camera3_device *, 84 camera3_capture_request_t *request); 85 static void get_metadata_vendor_tag_ops(const struct camera3_device *, 86 vendor_tag_query_ops_t* ops); 87 static void dump(const struct camera3_device *, int fd); 88 static int close_camera_device(struct hw_device_t* device); 89public: 90 QCamera3HardwareInterface(int cameraId); 91 virtual ~QCamera3HardwareInterface(); 92 int openCamera(struct hw_device_t **hw_device); 93 int getMetadata(int type); 94 camera_metadata_t* translateCapabilityToMetadata(int type); 95 96 static int getCamInfo(int cameraId, struct camera_info *info); 97 static int initCapabilities(int cameraId); 98 static int initStaticMetadata(int cameraId); 99 static void makeTable(cam_dimension_t* dimTable, uint8_t size, int32_t* sizeTable); 100 static void makeFPSTable(cam_fps_range_t* fpsTable, uint8_t size, 101 int32_t* fpsRangesTable); 102 static void convertRegions(cam_rect_t rect, int32_t* region, int weight); 103 static void convertLandmarks(cam_face_detection_info_t face, int32_t* landmarks); 104 static int32_t getScalarFormat(int32_t format); 105 106 static void captureResultCb(mm_camera_super_buf_t *metadata, 107 camera3_stream_buffer_t *buffer, uint32_t frame_number, 108 void *userdata); 109 110 int initialize(const camera3_callback_ops_t *callback_ops); 111 int configureStreams(camera3_stream_configuration_t *stream_list); 112 int registerStreamBuffers(const camera3_stream_buffer_set_t *buffer_set); 113 int processCaptureRequest(camera3_capture_request_t *request); 114 void getMetadataVendorTagOps(vendor_tag_query_ops_t* ops); 115 void dump(int fd); 116 117 int setFrameParameters(int frame_id, const camera_metadata_t *settings); 118 int translateMetadataToParameters(const camera_metadata_t *settings); 119 camera_metadata_t* translateCbMetadataToResultMetadata(metadata_buffer_t *metadata, 120 nsecs_t timestamp); 121 int getJpegSettings(const camera_metadata_t *settings); 122 int initParameters(); 123 void deinitParameters(); 124 125 void captureResultCb(mm_camera_super_buf_t *metadata, 126 camera3_stream_buffer_t *buffer, uint32_t frame_number); 127 128 typedef struct { 129 uint8_t fwk_name; 130 uint8_t hal_name; 131 } QCameraMap; 132 133private: 134 135 int openCamera(); 136 int closeCamera(); 137 int AddSetParmEntryToBatch(parm_buffer_t *p_table, 138 cam_intf_parm_type_t paramType, 139 uint32_t paramLength, 140 void *paramValue); 141 static int8_t lookupHalName(const QCameraMap arr[], 142 int len, int fwk_name); 143 static int8_t lookupFwkName(const QCameraMap arr[], 144 int len, int hal_name); 145 146 int validateCaptureRequest(camera3_capture_request_t *request); 147 148public: 149 150 bool needOnlineRotation(); 151 void getThumbnailSize(cam_dimension_t &dim); 152 int getJpegQuality(); 153 int getJpegRotation(); 154 QCamera3Exif *getExifData(); 155 156private: 157 camera3_device_t mCameraDevice; 158 uint8_t mCameraId; 159 mm_camera_vtbl_t *mCameraHandle; 160 bool mCameraOpened; 161 camera_metadata_t *mDefaultMetadata[CAMERA3_TEMPLATE_COUNT]; 162 163 const camera3_callback_ops_t *mCallbackOps; 164 165 camera3_stream_t *mInputStream; 166 QCamera3MetadataChannel *mMetadataChannel; 167 168 //First request yet to be processed after configureStreams 169 bool mFirstRequest; 170 QCamera3HeapMemory *mParamHeap; 171 parm_buffer_t* mParameters; 172 173 /* Data structure to store pending request */ 174 typedef struct { 175 camera3_stream_t *stream; 176 camera3_stream_buffer_t *buffer; 177 } RequestedBufferInfo; 178 typedef struct { 179 uint32_t frame_number; 180 uint32_t num_buffers; 181 List<RequestedBufferInfo> buffers; 182 //mm_camera_super_buf_t *metadata; 183 } PendingRequestInfo; 184 typedef KeyedVector<camera3_stream_t *, uint32_t> PendingBuffersMap; 185 186 List<PendingRequestInfo> mPendingRequestsList; 187 PendingBuffersMap mPendingBuffersMap; 188 pthread_mutex_t mRequestLock; 189 pthread_cond_t mRequestCond; 190 int mPendingRequest; 191 192 //mutex for serialized access to camera3_device_ops_t functions 193 pthread_mutex_t mMutex; 194 195 //mutex to protect the critial section for processCaptureResult 196 pthread_mutex_t mCaptureResultLock; 197 198 jpeg_settings_t* mJpegSettings; 199 List<stream_info_t*> mStreamInfo; 200 201 static const QCameraMap EFFECT_MODES_MAP[]; 202 static const QCameraMap WHITE_BALANCE_MODES_MAP[]; 203 static const QCameraMap SCENE_MODES_MAP[]; 204 static const QCameraMap FOCUS_MODES_MAP[]; 205 static const QCameraMap ANTIBANDING_MODES_MAP[]; 206 static const QCameraMap AUTO_EXPOSURE_MAP[]; 207 static const QCameraMap FLASH_MODES_MAP[]; 208}; 209 210}; // namespace qcamera 211 212#endif /* __QCAMERA2HARDWAREINTERFACE_H__ */ 213