QCamera3HWI.h revision 99119ea1812fef51559a48bff4be66624cc55b0d 
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
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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
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19* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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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
41#include <hardware/power.h>
42
43extern "C" {
44#include <mm_camera_interface.h>
45#include <mm_jpeg_interface.h>
46}
47
48using namespace android;
49
50namespace qcamera {
51
52#ifndef TRUE
53#define TRUE 1
54#endif
55
56#ifndef FALSE
57#define FALSE 0
58#endif
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 makeOverridesList(cam_scene_mode_overrides_t* overridesTable, uint8_t size,
103                                   uint8_t* overridesList, uint8_t* supported_indexes, int camera_id);
104    static void convertToRegions(cam_rect_t rect, int32_t* region, int weight);
105    static void convertFromRegions(cam_area_t* roi, const camera_metadata_t *settings,
106                                   uint32_t tag);
107    static bool resetIfNeededROI(cam_area_t* roi, const cam_crop_region_t* scalerCropRegion);
108    static void convertLandmarks(cam_face_detection_info_t face, int32_t* landmarks);
109    static int32_t getScalarFormat(int32_t format);
110    static int32_t getSensorSensitivity(int32_t iso_mode);
111    static void captureResultCb(mm_camera_super_buf_t *metadata,
112                camera3_stream_buffer_t *buffer, uint32_t frame_number,
113                void *userdata);
114
115    int initialize(const camera3_callback_ops_t *callback_ops);
116    int configureStreams(camera3_stream_configuration_t *stream_list);
117    int registerStreamBuffers(const camera3_stream_buffer_set_t *buffer_set);
118    int processCaptureRequest(camera3_capture_request_t *request);
119    void getMetadataVendorTagOps(vendor_tag_query_ops_t* ops);
120    void dump(int fd);
121
122    int setFrameParameters(int frame_id, const camera_metadata_t *settings);
123    int translateMetadataToParameters(const camera_metadata_t *settings);
124    camera_metadata_t* translateCbMetadataToResultMetadata(metadata_buffer_t *metadata,
125                            nsecs_t timestamp, int32_t request_id);
126    int getJpegSettings(const camera_metadata_t *settings);
127    int initParameters();
128    void deinitParameters();
129
130    void captureResultCb(mm_camera_super_buf_t *metadata,
131                camera3_stream_buffer_t *buffer, uint32_t frame_number);
132
133    typedef struct {
134        uint8_t fwk_name;
135        uint8_t hal_name;
136    } QCameraMap;
137
138private:
139
140    int openCamera();
141    int closeCamera();
142    int AddSetParmEntryToBatch(parm_buffer_t *p_table,
143                               cam_intf_parm_type_t paramType,
144                               uint32_t paramLength,
145                               void *paramValue);
146    static int8_t lookupHalName(const QCameraMap arr[],
147                      int len, int fwk_name);
148    static int8_t lookupFwkName(const QCameraMap arr[],
149                      int len, int hal_name);
150
151    int validateCaptureRequest(camera3_capture_request_t *request);
152
153public:
154
155    bool needOnlineRotation();
156    void getThumbnailSize(cam_dimension_t &dim);
157    int getJpegQuality();
158    int getJpegRotation();
159    int calcMaxJpegSize();
160    QCamera3Exif *getExifData();
161
162private:
163    camera3_device_t   mCameraDevice;
164    uint8_t            mCameraId;
165    mm_camera_vtbl_t  *mCameraHandle;
166    bool               mCameraOpened;
167    bool               mCameraInitialized;
168    camera_metadata_t *mDefaultMetadata[CAMERA3_TEMPLATE_COUNT];
169
170    const camera3_callback_ops_t *mCallbackOps;
171
172    camera3_stream_t *mInputStream;
173    QCamera3MetadataChannel *mMetadataChannel;
174
175     //First request yet to be processed after configureStreams
176    bool mFirstRequest;
177    QCamera3HeapMemory *mParamHeap;
178    parm_buffer_t* mParameters;
179
180    /* Data structure to store pending request */
181    typedef struct {
182        camera3_stream_t *stream;
183        camera3_stream_buffer_t *buffer;
184    } RequestedBufferInfo;
185    typedef struct {
186        uint32_t frame_number;
187        uint32_t num_buffers;
188        int32_t request_id;
189        List<RequestedBufferInfo> buffers;
190    } PendingRequestInfo;
191    typedef KeyedVector<camera3_stream_t *, uint32_t> PendingBuffersMap;
192
193    List<PendingRequestInfo> mPendingRequestsList;
194    PendingBuffersMap mPendingBuffersMap;
195    pthread_mutex_t mRequestLock;
196    pthread_cond_t mRequestCond;
197    int mPendingRequest;
198    int32_t mCurrentRequestId;
199
200    //mutex for serialized access to camera3_device_ops_t functions
201    pthread_mutex_t mMutex;
202
203    //mutex to protect the critial section for processCaptureResult
204    pthread_mutex_t mCaptureResultLock;
205
206    jpeg_settings_t* mJpegSettings;
207    metadata_response_t mMetadataResponse;
208    List<stream_info_t*> mStreamInfo;
209
210    power_module_t *m_pPowerModule;   // power module
211
212    static const QCameraMap EFFECT_MODES_MAP[];
213    static const QCameraMap WHITE_BALANCE_MODES_MAP[];
214    static const QCameraMap SCENE_MODES_MAP[];
215    static const QCameraMap FOCUS_MODES_MAP[];
216    static const QCameraMap ANTIBANDING_MODES_MAP[];
217    static const QCameraMap AE_FLASH_MODE_MAP[];
218    static const QCameraMap FLASH_MODES_MAP[];
219
220    static pthread_mutex_t mCameraSessionLock;
221    static unsigned int mCameraSessionActive;
222};
223
224}; // namespace qcamera
225
226#endif /* __QCAMERA2HARDWAREINTERFACE_H__ */
227