1 /* Copyright (c) 2012-2015, 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 __QCAMERA3_STREAM_H__
31 #define __QCAMERA3_STREAM_H__
32 
33 #include <hardware/camera3.h>
34 #include "utils/Mutex.h"
35 #include "QCameraCmdThread.h"
36 #include "QCamera3Mem.h"
37 
38 extern "C" {
39 #include <mm_camera_interface.h>
40 }
41 
42 namespace qcamera {
43 
44 class QCamera3Stream;
45 class QCamera3Channel;
46 
47 typedef void (*hal3_stream_cb_routine)(mm_camera_super_buf_t *frame,
48                                   QCamera3Stream *stream,
49                                   void *userdata);
50 
51 class QCamera3Stream
52 {
53 public:
54     QCamera3Stream(uint32_t camHandle,
55                   uint32_t chId,
56                   mm_camera_ops_t *camOps,
57                   cam_padding_info_t *paddingInfo,
58                   QCamera3Channel *channel);
59     virtual ~QCamera3Stream();
60     virtual int32_t init(cam_stream_type_t streamType,
61                          cam_format_t streamFormat,
62                          cam_dimension_t streamDim,
63                          cam_rotation_t streamRotation,
64                          cam_stream_reproc_config_t* reprocess_config,
65                          uint8_t minStreamBufNum,
66                          uint32_t postprocess_mask,
67                          cam_is_type_t is_type,
68                          hal3_stream_cb_routine stream_cb,
69                          void *userdata);
70     virtual int32_t bufDone(int index);
71     virtual int32_t bufRelease(int32_t index);
72     virtual int32_t processDataNotify(mm_camera_super_buf_t *bufs);
73     virtual int32_t start();
74     virtual int32_t stop();
75 
76     static void dataNotifyCB(mm_camera_super_buf_t *recvd_frame, void *userdata);
77     static void *dataProcRoutine(void *data);
getMyHandle()78     uint32_t getMyHandle() const {return mHandle;}
79     cam_stream_type_t getMyType() const;
80     int32_t getFrameOffset(cam_frame_len_offset_t &offset);
81     int32_t getFrameDimension(cam_dimension_t &dim);
82     int32_t getFormat(cam_format_t &fmt);
getStreamBufs()83     QCamera3Memory *getStreamBufs() {return mStreamBufs;};
84     uint32_t getMyServerID();
85 
86     int32_t mapBuf(uint8_t buf_type, uint32_t buf_idx,
87                    int32_t plane_idx, int fd, uint32_t size);
88     int32_t unmapBuf(uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx);
89     int32_t setParameter(cam_stream_parm_buffer_t &param);
90 
91     static void releaseFrameData(void *data, void *user_data);
92 
93 private:
94     uint32_t mCamHandle;
95     uint32_t mChannelHandle;
96     uint32_t mHandle; // stream handle from mm-camera-interface
97     mm_camera_ops_t *mCamOps;
98     cam_stream_info_t *mStreamInfo; // ptr to stream info buf
99     mm_camera_stream_mem_vtbl_t mMemVtbl;
100     mm_camera_map_unmap_ops_tbl_t *mMemOps;
101     uint8_t mNumBufs;
102     hal3_stream_cb_routine mDataCB;
103     void *mUserData;
104 
105     QCameraQueue     mDataQ;
106     QCameraCmdThread mProcTh; // thread for dataCB
107 
108     QCamera3HeapMemory *mStreamInfoBuf;
109     QCamera3Memory *mStreamBufs;
110     mm_camera_buf_def_t *mBufDefs;
111     cam_frame_len_offset_t mFrameLenOffset;
112     cam_padding_info_t mPaddingInfo;
113     QCamera3Channel *mChannel;
114     Mutex mLock;    //Lock controlling access to 'mBufDefs'
115 
116     static int32_t get_bufs(
117                      cam_frame_len_offset_t *offset,
118                      uint8_t *num_bufs,
119                      uint8_t **initial_reg_flag,
120                      mm_camera_buf_def_t **bufs,
121                      mm_camera_map_unmap_ops_tbl_t *ops_tbl,
122                      void *user_data);
123     static int32_t put_bufs(
124                      mm_camera_map_unmap_ops_tbl_t *ops_tbl,
125                      void *user_data);
126     static int32_t invalidate_buf(int index, void *user_data);
127     static int32_t clean_invalidate_buf(int index, void *user_data);
128 
129     int32_t getBufs(cam_frame_len_offset_t *offset,
130                      uint8_t *num_bufs,
131                      uint8_t **initial_reg_flag,
132                      mm_camera_buf_def_t **bufs,
133                      mm_camera_map_unmap_ops_tbl_t *ops_tbl);
134     int32_t putBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
135     int32_t invalidateBuf(int index);
136     int32_t cleanInvalidateBuf(int index);
137 
138 };
139 
140 }; // namespace qcamera
141 
142 #endif /* __QCAMERA3_STREAM_H__ */
143