QCamera3Stream.h revision c8d1059ae679132e7654708fdfca6ee221775187 
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;
44class QCamera3Channel;
45
46typedef void (*stream_cb_routine)(mm_camera_super_buf_t *frame,
47                                  QCamera3Stream *stream,
48                                  void *userdata);
49
50class QCamera3Stream
51{
52public:
53    QCamera3Stream(uint32_t camHandle,
54                  uint32_t chId,
55                  mm_camera_ops_t *camOps,
56                  cam_padding_info_t *paddingInfo,
57                  QCamera3Channel *channel);
58    virtual ~QCamera3Stream();
59    virtual int32_t init(cam_stream_type_t streamType,
60                         cam_format_t streamFormat,
61                         cam_dimension_t streamDim,
62                         uint8_t minStreamBufNum,
63                         stream_cb_routine stream_cb,
64                         void *userdata);
65    virtual int32_t bufDone(int index);
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);
72    uint32_t getMyHandle() const {return mHandle;}
73    bool isTypeOf(cam_stream_type_t type);
74    int32_t getFrameOffset(cam_frame_len_offset_t &offset);
75    int32_t getFrameDimension(cam_dimension_t &dim);
76    int32_t getFormat(cam_format_t &fmt);
77    mm_camera_buf_def_t* getInternalFormatBuffer(int index);
78    QCamera3Memory *getStreamBufs() {return mStreamBufs;};
79    uint32_t getMyServerID();
80
81    int32_t mapBuf(uint8_t buf_type, uint32_t buf_idx,
82                   int32_t plane_idx, int fd, uint32_t size);
83    int32_t unmapBuf(uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx);
84    int32_t setParameter(cam_stream_parm_buffer_t &param);
85
86private:
87    uint32_t mCamHandle;
88    uint32_t mChannelHandle;
89    uint32_t mHandle; // stream handle from mm-camera-interface
90    mm_camera_ops_t *mCamOps;
91    cam_stream_info_t *mStreamInfo; // ptr to stream info buf
92    mm_camera_stream_mem_vtbl_t mMemVtbl;
93    uint8_t mNumBufs;
94    stream_cb_routine mDataCB;
95    void *mUserData;
96
97    QCameraQueue     mDataQ;
98    QCameraCmdThread mProcTh; // thread for dataCB
99
100    QCamera3HeapMemory *mStreamInfoBuf;
101    QCamera3Memory *mStreamBufs;
102    mm_camera_buf_def_t *mBufDefs;
103    cam_frame_len_offset_t mFrameLenOffset;
104    cam_padding_info_t mPaddingInfo;
105    QCamera3Channel *mChannel;
106
107    static int32_t get_bufs(
108                     cam_frame_len_offset_t *offset,
109                     uint8_t *num_bufs,
110                     uint8_t **initial_reg_flag,
111                     mm_camera_buf_def_t **bufs,
112                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
113                     void *user_data);
114    static int32_t put_bufs(
115                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
116                     void *user_data);
117    static int32_t invalidate_buf(int index, void *user_data);
118    static int32_t clean_invalidate_buf(int index, void *user_data);
119
120    int32_t getBufs(cam_frame_len_offset_t *offset,
121                     uint8_t *num_bufs,
122                     uint8_t **initial_reg_flag,
123                     mm_camera_buf_def_t **bufs,
124                     mm_camera_map_unmap_ops_tbl_t *ops_tbl);
125    int32_t putBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
126    int32_t invalidateBuf(int index);
127    int32_t cleanInvalidateBuf(int index);
128
129};
130
131}; // namespace qcamera
132
133#endif /* __QCAMERA3_STREAM_H__ */
134