QCamera3HWI.h revision d5d5a90863708ac1cdbef25c41853b6f6f05d4e2 
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    } PendingRequestInfo;
183    typedef KeyedVector<camera3_stream_t *, uint32_t> PendingBuffersMap;
184
185    List<PendingRequestInfo> mPendingRequestsList;
186    PendingBuffersMap mPendingBuffersMap;
187    pthread_mutex_t mRequestLock;
188    pthread_cond_t mRequestCond;
189    int mPendingRequest;
190
191    //mutex for serialized access to camera3_device_ops_t functions
192    pthread_mutex_t mMutex;
193
194    //mutex to protect the critial section for processCaptureResult
195    pthread_mutex_t mCaptureResultLock;
196
197    jpeg_settings_t* mJpegSettings;
198    List<stream_info_t*> mStreamInfo;
199
200    static const QCameraMap EFFECT_MODES_MAP[];
201    static const QCameraMap WHITE_BALANCE_MODES_MAP[];
202    static const QCameraMap SCENE_MODES_MAP[];
203    static const QCameraMap FOCUS_MODES_MAP[];
204    static const QCameraMap ANTIBANDING_MODES_MAP[];
205    static const QCameraMap AUTO_EXPOSURE_MAP[];
206    static const QCameraMap FLASH_MODES_MAP[];
207};
208
209}; // namespace qcamera
210
211#endif /* __QCAMERA2HARDWAREINTERFACE_H__ */
212