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