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29 
30 #ifndef __QCAMERA_CHANNEL_H__
31 #define __QCAMERA_CHANNEL_H__
32 
33 #include <hardware/camera.h>
34 #include "QCameraStream.h"
35 
36 extern "C" {
37 #include <mm_camera_interface.h>
38 }
39 
40 namespace qcamera {
41 
42 class QCameraChannel
43 {
44 public:
45     QCameraChannel(uint32_t cam_handle,
46                    mm_camera_ops_t *cam_ops);
47     QCameraChannel();
48     virtual ~QCameraChannel();
49     virtual int32_t init(mm_camera_channel_attr_t *attr,
50                          mm_camera_buf_notify_t dataCB, // data CB for channel data
51                          void *userData);
52     // Owner of memory is transferred from the caller to the caller with this call.
53     virtual int32_t addStream(QCameraAllocator& allocator,
54             QCameraHeapMemory *streamInfoBuf, QCameraHeapMemory *miscBuf,
55             uint8_t minStreamBufnum, cam_padding_info_t *paddingInfo,
56             stream_cb_routine stream_cb, void *userdata, bool bDynAllocBuf,
57             bool bDeffAlloc = false, cam_rotation_t online_rotation = ROTATE_0);
58     virtual int32_t linkStream(QCameraChannel *ch, QCameraStream *stream);
59     virtual int32_t start();
60     virtual int32_t stop();
61     virtual int32_t bufDone(mm_camera_super_buf_t *recvd_frame);
62     virtual int32_t processZoomDone(preview_stream_ops_t *previewWindow,
63                                     cam_crop_data_t &crop_info);
64     int32_t config();
65     QCameraStream *getStreamByHandle(uint32_t streamHandle);
getMyHandle()66     uint32_t getMyHandle() const {return m_handle;};
getNumOfStreams()67     uint32_t getNumOfStreams() const {return (uint32_t) mStreams.size();};
68     QCameraStream *getStreamByIndex(uint32_t index);
69     QCameraStream *getStreamByServerID(uint32_t serverID);
70     int32_t UpdateStreamBasedParameters(QCameraParameters &param);
71     void deleteChannel();
72 
73 protected:
74     uint32_t m_camHandle;
75     mm_camera_ops_t *m_camOps;
76     bool m_bIsActive;
77     bool m_bAllowDynBufAlloc; // if buf allocation can be in two steps
78 
79     uint32_t m_handle;
80     Vector<QCameraStream *> mStreams;
81     mm_camera_buf_notify_t mDataCB;
82     void *mUserData;
83 };
84 
85 // burst pic channel: i.e. zsl burst mode
86 class QCameraPicChannel : public QCameraChannel
87 {
88 public:
89     QCameraPicChannel(uint32_t cam_handle,
90                       mm_camera_ops_t *cam_ops);
91     QCameraPicChannel();
92     virtual ~QCameraPicChannel();
93     int32_t takePicture(uint8_t num_of_snapshot, uint8_t num_of_retro_snapshot);
94     int32_t cancelPicture();
95     int32_t stopAdvancedCapture(mm_camera_advanced_capture_t type);
96     int32_t startAdvancedCapture(mm_camera_advanced_capture_t type,
97             cam_capture_frame_config_t *config = NULL);
98     int32_t flushSuperbuffer(uint32_t frame_idx);
99 };
100 
101 // video channel class
102 class QCameraVideoChannel : public QCameraChannel
103 {
104 public:
105     QCameraVideoChannel(uint32_t cam_handle,
106                         mm_camera_ops_t *cam_ops);
107     QCameraVideoChannel();
108     virtual ~QCameraVideoChannel();
109     int32_t releaseFrame(const void *opaque, bool isMetaData);
110 };
111 
112 // reprocess channel class
113 class QCameraReprocessChannel : public QCameraChannel
114 {
115 public:
116     QCameraReprocessChannel(uint32_t cam_handle,
117                             mm_camera_ops_t *cam_ops);
118     QCameraReprocessChannel();
119     virtual ~QCameraReprocessChannel();
120     int32_t addReprocStreamsFromSource(QCameraAllocator& allocator,
121                                        cam_pp_feature_config_t &config,
122                                        QCameraChannel *pSrcChannel,
123                                        uint8_t minStreamBufNum,
124                                        uint8_t burstNum,
125                                        cam_padding_info_t *paddingInfo,
126                                        QCameraParameters &param,
127                                        bool contStream,
128                                        bool offline);
129     // online reprocess
130     int32_t doReprocess(mm_camera_super_buf_t *frame,
131             QCameraParameters &param, QCameraStream *pMetaStream,
132             uint8_t meta_buf_index);
133 
134     // offline reprocess
135     int32_t doReprocess(int buf_fd, size_t buf_length, int32_t &ret_val);
136 
137     int32_t doReprocessOffline(mm_camera_super_buf_t *frame,
138              mm_camera_buf_def_t *meta_buf);
139 
140     int32_t stop();
getSrcChannel()141     QCameraChannel *getSrcChannel(){return m_pSrcChannel;};
142 
143 private:
144     QCameraStream *getStreamBySrouceHandle(uint32_t srcHandle);
145 
146     typedef struct {
147         QCameraStream *stream;
148         cam_mapping_buf_type type;
149         uint32_t index;
150     } OfflineBuffer;
151 
152     uint32_t mSrcStreamHandles[MAX_STREAM_NUM_IN_BUNDLE];
153     QCameraChannel *m_pSrcChannel; // ptr to source channel for reprocess
154     android::List<OfflineBuffer> mOfflineBuffers;
155 
156 };
157 
158 }; // namespace qcamera
159 
160 #endif /* __QCAMERA_CHANNEL_H__ */
161