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1 /* Copyright (c) 2016, The Linux Foundation. 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_HAL_PP_H__
31 #define __QCAMERA_HAL_PP_H__
32 
33 // Camera dependencies
34 #include "QCamera2HWI.h"
35 #include "QCameraPostProc.h"
36 
37 // STL dependencies
38 #include <unordered_map>
39 #include <vector>
40 #include <sys/stat.h>
41 extern "C" {
42 #include "mm_camera_interface.h"
43 #include "mm_jpeg_interface.h"
44 }
45 
46 namespace qcamera {
47 
48 /** halPPBufNotify: function definition for frame notify
49 *   handling
50 *    @pOutput  : received qcamera_hal_pp_data_t data
51 *    @pUserData: user data pointer
52 **/
53 typedef void (*halPPBufNotify) (qcamera_hal_pp_data_t *pOutput,
54                                         void *pUserData);
55 
56 /** halPPGetOutput: function definition for get output buffer
57 *    @frameIndex: output frame index should match input frame index
58 *    @pUserData: user data pointer
59 **/
60 typedef void (*halPPGetOutput) (uint32_t frameIndex, void *pUserData);
61 
62 class QCameraHALPP
63 {
64 public:
65     virtual ~QCameraHALPP();
66     virtual int32_t init(halPPBufNotify bufNotifyCb, halPPGetOutput getOutputCb, void *pUserData, void *pStaticParam) = 0;
67     virtual int32_t init(halPPBufNotify bufNotifyCb, halPPGetOutput getOutputCb, void *pUserData);
68     virtual int32_t deinit();
69     virtual int32_t start();
70     virtual int32_t stop();
71     virtual int32_t flushQ();
72     virtual int32_t initQ();
73     virtual int32_t feedInput(qcamera_hal_pp_data_t *pInputData) = 0;
74     virtual int32_t feedOutput(qcamera_hal_pp_data_t *pOutputData) = 0;
75     virtual int32_t process() = 0;
76 
77 protected:
78     QCameraHALPP();
79     virtual bool canProcess() = 0;
80     virtual void releaseData(qcamera_hal_pp_data_t *pData);
81     std::vector<qcamera_hal_pp_data_t*>* getFrameVector(uint32_t frameIndex);
82     static void releaseInputDataCb(void *pData, void *pUserData);
83     static void releaseOngoingDataCb(void *pData, void *pUserData);
84     void dumpYUVtoFile(const uint8_t* pBuf, const char *name, ssize_t buf_len);
85 
86 protected:
87     QCameraQueue m_iuputQ;
88     QCameraQueue m_outgoingQ;
89 
90     // hash map with frame index as key, and vecotr of input frames as value
91     std::unordered_map<uint32_t, std::vector<qcamera_hal_pp_data_t*>*> m_frameMap;
92 
93     halPPBufNotify m_halPPBufNotifyCB;
94     halPPGetOutput m_halPPGetOutputCB;
95     QCameraPostProcessor *m_pQCameraPostProc;
96 }; // QCameraHALPP class
97 }; // namespace qcamera
98 
99 #endif /* __QCAMERA_HAL_PP_H__ */
100 
101 
102 
103