QCameraStream.h revision 744f5403bebb0e27140d16a5df7a341713c24a13 
1/* Copyright (c) 2012, 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 __QCAMERA_STREAM_H__
31#define __QCAMERA_STREAM_H__
32
33#include <hardware/camera.h>
34#include "QCameraCmdThread.h"
35#include "QCameraMem.h"
36#include "QCameraAllocator.h"
37
38extern "C" {
39#include <mm_camera_interface.h>
40}
41
42namespace qcamera {
43
44class QCameraStream;
45typedef void (*stream_cb_routine)(mm_camera_super_buf_t *frame,
46                                  QCameraStream *stream,
47                                  void *userdata);
48
49class QCameraStream
50{
51public:
52    QCameraStream(QCameraAllocator &allocator,
53                  uint32_t camHandle,
54                  uint32_t chId,
55                  mm_camera_ops_t *camOps,
56                  cam_padding_info_t *paddingInfo);
57    virtual ~QCameraStream();
58    virtual int32_t init(QCameraHeapMemory *streamInfoBuf,
59                         uint8_t minStreamBufNum,
60                         stream_cb_routine stream_cb,
61                         void *userdata);
62    virtual int32_t processZoomDone(preview_stream_ops_t *previewWindow,
63                                    cam_crop_data_t &crop_info);
64    virtual int32_t bufDone(int index);
65    virtual int32_t bufDone(const void *opaque, bool isMetaData);
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    bool isOrignalTypeOf(cam_stream_type_t type);
75    int32_t getFrameOffset(cam_frame_len_offset_t &offset);
76    int32_t getCropInfo(cam_rect_t &crop);
77    int32_t getFrameDimension(cam_dimension_t &dim);
78    int32_t getFormat(cam_format_t &fmt);
79    QCameraMemory *getStreamBufs() {return mStreamBufs;};
80    uint32_t getMyServerID();
81    cam_stream_type_t getMyType();
82
83    int32_t mapBuf(uint8_t buf_type, uint32_t buf_idx,
84                   int32_t plane_idx, int fd, uint32_t size);
85    int32_t unmapBuf(uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx);
86    int32_t setParameter(cam_stream_parm_buffer_t &param);
87
88private:
89    uint32_t mCamHandle;
90    uint32_t mChannelHandle;
91    uint32_t mHandle; // stream handle from mm-camera-interface
92    mm_camera_ops_t *mCamOps;
93    cam_stream_info_t *mStreamInfo; // ptr to stream info buf
94    mm_camera_stream_mem_vtbl_t mMemVtbl;
95    uint8_t mNumBufs;
96    stream_cb_routine mDataCB;
97    void *mUserData;
98
99    QCameraQueue     mDataQ;
100    QCameraCmdThread mProcTh; // thread for dataCB
101
102    QCameraHeapMemory *mStreamInfoBuf;
103    QCameraMemory *mStreamBufs;
104    QCameraAllocator &mAllocator;
105    mm_camera_buf_def_t *mBufDefs;
106    cam_frame_len_offset_t mFrameLenOffset;
107    cam_padding_info_t mPaddingInfo;
108    cam_rect_t mCropInfo;
109    pthread_mutex_t mCropLock; // lock to protect crop info
110
111    static int32_t get_bufs(
112                     cam_frame_len_offset_t *offset,
113                     uint8_t *num_bufs,
114                     uint8_t **initial_reg_flag,
115                     mm_camera_buf_def_t **bufs,
116                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
117                     void *user_data);
118    static int32_t put_bufs(
119                     mm_camera_map_unmap_ops_tbl_t *ops_tbl,
120                     void *user_data);
121    static int32_t invalidate_buf(int index, void *user_data);
122    static int32_t clean_invalidate_buf(int index, void *user_data);
123
124    int32_t getBufs(cam_frame_len_offset_t *offset,
125                     uint8_t *num_bufs,
126                     uint8_t **initial_reg_flag,
127                     mm_camera_buf_def_t **bufs,
128                     mm_camera_map_unmap_ops_tbl_t *ops_tbl);
129    int32_t putBufs(mm_camera_map_unmap_ops_tbl_t *ops_tbl);
130    int32_t invalidateBuf(int index);
131    int32_t cleanInvalidateBuf(int index);
132
133};
134
135}; // namespace qcamera
136
137#endif /* __QCAMERA_STREAM_H__ */
138