1 /* Copyright (c) 2012, The Linux Foundataion. All rights reserved.
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29 
30 #ifndef __QCAMERA_STREAM_H__
31 #define __QCAMERA_STREAM_H__
32 
33 #include <hardware/camera.h>
34 #include "QCameraCmdThread.h"
35 #include "QCameraMem.h"
36 #include "QCameraAllocator.h"
37 
38 extern "C" {
39 #include <mm_camera_interface.h>
40 }
41 
42 namespace qcamera {
43 
44 class QCameraStream;
45 typedef void (*stream_cb_routine)(mm_camera_super_buf_t *frame,
46                                   QCameraStream *stream,
47                                   void *userdata);
48 
49 class QCameraStream
50 {
51 public:
52     QCameraStream(QCameraAllocator &allocator,
53                   uint32_t camHandle,
54                   uint32_t chId,
55                   mm_camera_ops_t *camOps,
56                   cam_padding_info_t *paddingInfo);
57     virtual ~QCameraStream();
58     virtual int32_t init(QCameraHeapMemory *streamInfoBuf,
59                          uint8_t minStreamBufNum,
60                          stream_cb_routine stream_cb,
61                          void *userdata);
62     virtual int32_t processZoomDone(preview_stream_ops_t *previewWindow,
63                                     cam_crop_data_t &crop_info);
64     virtual int32_t bufDone(int index);
65     virtual int32_t bufDone(const void *opaque, bool isMetaData);
66     virtual int32_t processDataNotify(mm_camera_super_buf_t *bufs);
67     virtual int32_t start();
68     virtual int32_t stop();
69 
70     static void dataNotifyCB(mm_camera_super_buf_t *recvd_frame, void *userdata);
71     static void *dataProcRoutine(void *data);
getMyHandle()72     uint32_t getMyHandle() const {return mHandle;}
73     bool isTypeOf(cam_stream_type_t type);
74     bool isOrignalTypeOf(cam_stream_type_t type);
75     int32_t getFrameOffset(cam_frame_len_offset_t &offset);
76     int32_t getCropInfo(cam_rect_t &crop);
77     int32_t getFrameDimension(cam_dimension_t &dim);
78     int32_t getFormat(cam_format_t &fmt);
getStreamBufs()79     QCameraMemory *getStreamBufs() {return mStreamBufs;};
80     uint32_t getMyServerID();
81     cam_stream_type_t getMyType();
82 
83     int32_t mapBuf(uint8_t buf_type, uint32_t buf_idx,
84                    int32_t plane_idx, int fd, uint32_t size);
85     int32_t unmapBuf(uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx);
86     int32_t setParameter(cam_stream_parm_buffer_t &param);
87 
88 private:
89     uint32_t mCamHandle;
90     uint32_t mChannelHandle;
91     uint32_t mHandle; // stream handle from mm-camera-interface
92     mm_camera_ops_t *mCamOps;
93     cam_stream_info_t *mStreamInfo; // ptr to stream info buf
94     mm_camera_stream_mem_vtbl_t mMemVtbl;
95     uint8_t mNumBufs;
96     stream_cb_routine mDataCB;
97     void *mUserData;
98 
99     QCameraQueue     mDataQ;
100     QCameraCmdThread mProcTh; // thread for dataCB
101 
102     QCameraHeapMemory *mStreamInfoBuf;
103     QCameraMemory *mStreamBufs;
104     QCameraAllocator &mAllocator;
105     mm_camera_buf_def_t *mBufDefs;
106     cam_frame_len_offset_t mFrameLenOffset;
107     cam_padding_info_t mPaddingInfo;
108     cam_rect_t mCropInfo;
109     pthread_mutex_t mCropLock; // lock to protect crop info
110 
111     static int32_t get_bufs(
112                      cam_frame_len_offset_t *offset,
113                      uint8_t *num_bufs,
114                      uint8_t **initial_reg_flag,
115                      mm_camera_buf_def_t **bufs,
116                      mm_camera_map_unmap_ops_tbl_t *ops_tbl,
117                      void *user_data);
118     static int32_t put_bufs(
119                      mm_camera_map_unmap_ops_tbl_t *ops_tbl,
120                      void *user_data);
121     static int32_t invalidate_buf(int index, void *user_data);
122     static int32_t clean_invalidate_buf(int index, void *user_data);
123 
124     int32_t getBufs(cam_frame_len_offset_t *offset,
125                      uint8_t *num_bufs,
126                      uint8_t **initial_reg_flag,
127                      mm_camera_buf_def_t **bufs,
128                      mm_camera_map_unmap_ops_tbl_t *ops_tbl);
129     int32_t putBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
130     int32_t invalidateBuf(int index);
131     int32_t cleanInvalidateBuf(int index);
132 
133 };
134 
135 }; // namespace qcamera
136 
137 #endif /* __QCAMERA_STREAM_H__ */
138