QCamera3Stream.h revision 625515beb9c1347216a2d261930ceb0d85ba1c47 
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 __QCAMERA3_STREAM_H__
31#define __QCAMERA3_STREAM_H__
32
33#include <hardware/camera3.h>
34#include "QCameraCmdThread.h"
35#include "QCamera3Mem.h"
36
37extern "C" {
38#include <mm_camera_interface.h>
39}
40
41namespace qcamera {
42
43class QCamera3Stream;
44typedef void (*stream_cb_routine)(mm_camera_super_buf_t *frame,
45                                  QCamera3Stream *stream,
46                                  void *userdata);
47
48class QCamera3Stream
49{
50public:
51    QCamera3Stream(uint32_t camHandle,
52                  uint32_t chId,
53                  mm_camera_ops_t *camOps,
54                  cam_padding_info_t *paddingInfo,
55                  QCamera3Memory *memory);
56    virtual ~QCamera3Stream();
57    virtual int32_t init(cam_stream_type_t streamType,
58                         cam_format_t streamFormat,
59                         cam_dimension_t streamDim,
60                         uint8_t minStreamBufNum,
61                         stream_cb_routine stream_cb,
62                         void *userdata);
63    virtual int32_t bufDone(int index);
64    virtual int32_t bufDone(const void *opaque, bool isMetaData);
65    virtual int32_t processDataNotify(mm_camera_super_buf_t *bufs);
66    virtual int32_t start();
67    virtual int32_t stop();
68
69    static void dataNotifyCB(mm_camera_super_buf_t *recvd_frame, void *userdata);
70    static void *dataProcRoutine(void *data);
71    uint32_t getMyHandle() const {return mHandle;}
72    bool isTypeOf(cam_stream_type_t type);
73    int32_t getFrameOffset(cam_frame_len_offset_t &offset);
74    int32_t getFrameDimension(cam_dimension_t &dim);
75    int32_t getFormat(cam_format_t &fmt);
76    QCamera3Memory *getStreamBufs() {return mStreamBufs;};
77    uint32_t getMyServerID();
78
79    int32_t mapBuf(uint8_t buf_type, uint32_t buf_idx,
80                   int32_t plane_idx, int fd, uint32_t size);
81    int32_t unmapBuf(uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx);
82    int32_t setParameter(cam_stream_parm_buffer_t &param);
83
84private:
85    uint32_t mCamHandle;
86    uint32_t mChannelHandle;
87    uint32_t mHandle; // stream handle from mm-camera-interface
88    mm_camera_ops_t *mCamOps;
89    cam_stream_info_t *mStreamInfo; // ptr to stream info buf
90    mm_camera_stream_mem_vtbl_t mMemVtbl;
91    uint8_t mNumBufs;
92    stream_cb_routine mDataCB;
93    void *mUserData;
94
95    QCameraQueue     mDataQ;
96    QCameraCmdThread mProcTh; // thread for dataCB
97
98    QCamera3HeapMemory *mStreamInfoBuf;
99    QCamera3Memory *mStreamBufs;
100    mm_camera_buf_def_t *mBufDefs;
101    cam_frame_len_offset_t mFrameLenOffset;
102    cam_padding_info_t mPaddingInfo;
103
104    static int32_t get_bufs(
105                     cam_frame_len_offset_t *offset,
106                     uint8_t *num_bufs,
107                     uint8_t **initial_reg_flag,
108                     mm_camera_buf_def_t **bufs,
109                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
110                     void *user_data);
111    static int32_t put_bufs(
112                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
113                     void *user_data);
114
115    int32_t getBufs(cam_frame_len_offset_t *offset,
116                     uint8_t *num_bufs,
117                     uint8_t **initial_reg_flag,
118                     mm_camera_buf_def_t **bufs,
119                     mm_camera_map_unmap_ops_tbl_t *ops_tbl);
120    int32_t putBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
121
122};
123
124}; // namespace qcamera
125
126#endif /* __QCAMERA3_STREAM_H__ */
127