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
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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 *
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17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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28 */
29
30#ifndef __QCAMERA3_STREAMMEM_H__
31#define __QCAMERA3_STREAMMEM_H__
32
33#include <hardware/camera3.h>
34#include <utils/Mutex.h>
35#include "QCamera3Mem.h"
36
37extern "C" {
38#include <sys/types.h>
39#include <linux/msm_ion.h>
40#include <mm_camera_interface.h>
41}
42
43using namespace android;
44
45namespace qcamera {
46
47class QCamera3StreamMem {
48public:
49    QCamera3StreamMem(uint32_t maxHeapBuffer, bool queueAll = true);
50    virtual ~QCamera3StreamMem();
51
52    uint32_t getCnt();
53    int getRegFlags(uint8_t *regFlags);
54
55    // Helper function to access individual QCamera3Buffer object
56    int getFd(uint32_t index);
57    ssize_t getSize(uint32_t index);
58    int invalidateCache(uint32_t index);
59    int cleanInvalidateCache(uint32_t index);
60    int32_t getBufDef(const cam_frame_len_offset_t &offset,
61            mm_camera_buf_def_t &bufDef, uint32_t index);
62    void *getPtr(uint32_t index);
63
64    bool valid(uint32_t index);
65
66    // Gralloc buffer related functions
67    int registerBuffer(buffer_handle_t *buffer, cam_stream_type_t type);
68    int unregisterBuffer(uint32_t index);
69    int getMatchBufIndex(void *object);
70    void *getBufferHandle(uint32_t index);
71    void unregisterBuffers(); //TODO: relace with unififed clear() function?
72
73    // Heap buffer related functions
74    int allocateAll(size_t size);
75    int allocateOne(size_t size);
76    void deallocate(); //TODO: replace with unified clear() function?
77
78    // Clear function: unregister for gralloc buffer, and deallocate for heap buffer
79    void clear() {unregisterBuffers(); deallocate(); }
80
81    // Frame number getter and setter
82    int32_t markFrameNumber(uint32_t index, uint32_t frameNumber);
83    int32_t getFrameNumber(uint32_t index);
84    int32_t getGrallocBufferIndex(uint32_t frameNumber);
85    int32_t getHeapBufferIndex(uint32_t frameNumber);
86
87private:
88    //variables
89    QCamera3HeapMemory mHeapMem;
90    QCamera3GrallocMemory mGrallocMem;
91    uint32_t mMaxHeapBuffers;
92    Mutex mLock;
93    bool mQueueHeapBuffers;
94};
95
96};
97#endif // __QCAMERA3_STREAMMEM_H__
98