1 /* Copyright (c) 2012-2016, The Linux Foundation. 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 __QCAMERA3_STREAM_H__
31 #define __QCAMERA3_STREAM_H__
32 
33 // System dependencies
34 #include <utils/Mutex.h>
35 
36 // Camera dependencies
37 #include "QCamera3Mem.h"
38 #include "QCamera3StreamMem.h"
39 #include "QCameraCmdThread.h"
40 #include "QCameraQueue.h"
41 
42 extern "C" {
43 #include "mm_camera_interface.h"
44 }
45 
46 namespace qcamera {
47 
48 class QCamera3Channel;
49 class QCamera3Stream;
50 
51 typedef void (*hal3_stream_cb_routine)(mm_camera_super_buf_t *frame,
52                                   QCamera3Stream *stream,
53                                   void *userdata);
54 
55 class QCamera3Stream
56 {
57 public:
58     QCamera3Stream(uint32_t camHandle,
59                   uint32_t chId,
60                   mm_camera_ops_t *camOps,
61                   cam_padding_info_t *paddingInfo,
62                   QCamera3Channel *channel);
63     virtual ~QCamera3Stream();
64     virtual int32_t init(cam_stream_type_t streamType,
65                          cam_format_t streamFormat,
66                          cam_dimension_t streamDim,
67                          cam_rotation_t streamRotation,
68                          cam_stream_reproc_config_t* reprocess_config,
69                          uint8_t minStreamBufNum,
70                          uint32_t postprocess_mask,
71                          cam_is_type_t is_type,
72                          uint32_t batchSize,
73                          hal3_stream_cb_routine stream_cb,
74                          void *userdata);
75     virtual int32_t bufDone(uint32_t index);
76     virtual int32_t bufRelease(int32_t index);
77     virtual int32_t processDataNotify(mm_camera_super_buf_t *bufs);
78     virtual int32_t start();
79     virtual int32_t stop();
80     virtual int32_t queueBatchBuf();
81 
82     static void dataNotifyCB(mm_camera_super_buf_t *recvd_frame, void *userdata);
83     static void *dataProcRoutine(void *data);
getMyHandle()84     uint32_t getMyHandle() const {return mHandle;}
85     cam_stream_type_t getMyType() const;
86     int32_t getFrameOffset(cam_frame_len_offset_t &offset);
87     int32_t getFrameDimension(cam_dimension_t &dim);
88     int32_t getFormat(cam_format_t &fmt);
getStreamBufs()89     QCamera3StreamMem *getStreamBufs() {return mStreamBufs;};
90     uint32_t getMyServerID();
91 
92     int32_t mapBuf(uint8_t buf_type, uint32_t buf_idx,
93             int32_t plane_idx, int fd, size_t size);
94     int32_t unmapBuf(uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx);
95     int32_t setParameter(cam_stream_parm_buffer_t &param);
getStreamInfo()96     cam_stream_info_t* getStreamInfo() const {return mStreamInfo; };
97 
98     static void releaseFrameData(void *data, void *user_data);
99 
100 private:
101     uint32_t mCamHandle;
102     uint32_t mChannelHandle;
103     uint32_t mHandle; // stream handle from mm-camera-interface
104     mm_camera_ops_t *mCamOps;
105     cam_stream_info_t *mStreamInfo; // ptr to stream info buf
106     mm_camera_stream_mem_vtbl_t mMemVtbl;
107     mm_camera_map_unmap_ops_tbl_t *mMemOps;
108     uint8_t mNumBufs;
109     hal3_stream_cb_routine mDataCB;
110     void *mUserData;
111 
112     QCameraQueue     mDataQ;
113     QCameraCmdThread mProcTh; // thread for dataCB
114 
115     QCamera3HeapMemory *mStreamInfoBuf;
116     QCamera3StreamMem *mStreamBufs;
117     mm_camera_buf_def_t *mBufDefs;
118     cam_frame_len_offset_t mFrameLenOffset;
119     cam_padding_info_t mPaddingInfo;
120     QCamera3Channel *mChannel;
121     Mutex mLock;    //Lock controlling access to 'mBufDefs'
122 
123     uint32_t mBatchSize; // 0: No batch, non-0: Number of imaage bufs in a batch
124     uint8_t mNumBatchBufs; //Number of batch buffers which can hold image bufs
125     QCamera3HeapMemory *mStreamBatchBufs; //Pointer to batch buffers memory
126     mm_camera_buf_def_t *mBatchBufDefs; //Pointer to array of batch bufDefs
127     mm_camera_buf_def_t *mCurrentBatchBufDef; //batch buffer in progress during
128                                               //aggregation
129     uint32_t    mBufsStaged; //Number of image buffers aggregated into
130                              //currentBatchBufDef
131     QCameraQueue mFreeBatchBufQ; //Buffer queue containing empty batch buffers
132 
133     static int32_t get_bufs(
134                      cam_frame_len_offset_t *offset,
135                      uint8_t *num_bufs,
136                      uint8_t **initial_reg_flag,
137                      mm_camera_buf_def_t **bufs,
138                      mm_camera_map_unmap_ops_tbl_t *ops_tbl,
139                      void *user_data);
140     static int32_t put_bufs(
141                      mm_camera_map_unmap_ops_tbl_t *ops_tbl,
142                      void *user_data);
143     static int32_t invalidate_buf(uint32_t index, void *user_data);
144     static int32_t clean_invalidate_buf(uint32_t index, void *user_data);
145 
146     int32_t getBufs(cam_frame_len_offset_t *offset,
147                      uint8_t *num_bufs,
148                      uint8_t **initial_reg_flag,
149                      mm_camera_buf_def_t **bufs,
150                      mm_camera_map_unmap_ops_tbl_t *ops_tbl);
151     int32_t putBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
152     int32_t invalidateBuf(uint32_t index);
153     int32_t cleanInvalidateBuf(uint32_t index);
154     int32_t getBatchBufs(
155             uint8_t *num_bufs, uint8_t **initial_reg_flag,
156             mm_camera_buf_def_t **bufs,
157             mm_camera_map_unmap_ops_tbl_t *ops_tbl);
158     int32_t putBatchBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
159     int32_t getBatchBufDef(mm_camera_buf_def_t& batchBufDef,
160             int32_t index);
161     int32_t aggregateBufToBatch(mm_camera_buf_def_t& bufDef);
162     int32_t handleBatchBuffer(mm_camera_super_buf_t *superBuf);
163 
164     static const char* mStreamNames[CAM_STREAM_TYPE_MAX];
165     void flushFreeBatchBufQ();
166 };
167 
168 }; // namespace qcamera
169 
170 #endif /* __QCAMERA3_STREAM_H__ */
171