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29 
30 #ifndef __QCAMERA_ALLOCATOR__
31 #define __QCAMERA_ALLOCATOR__
32 
33 extern "C" {
34 #include "mm_camera_interface.h"
35 }
36 
37 namespace qcamera {
38 
39 class QCameraMemory;
40 class QCameraHeapMemory;
41 
42 typedef struct {
43     int32_t (*bgFunction) (void *);
44     void* bgArgs;
45 } BackgroundTask;
46 
47 class QCameraAllocator {
48 public:
49     virtual QCameraMemory *allocateStreamBuf(cam_stream_type_t stream_type,
50             size_t size, int stride, int scanline, uint8_t &bufferCnt) = 0;
51     virtual int32_t allocateMoreStreamBuf(QCameraMemory *mem_obj,
52             size_t size, uint8_t &bufferCnt) = 0;
53     virtual QCameraHeapMemory *allocateStreamInfoBuf(
54             cam_stream_type_t stream_type, uint8_t bufCount = 1,
55             uint32_t cam_type = MM_CAMERA_TYPE_MAIN) = 0;
56     virtual QCameraHeapMemory *allocateMiscBuf(cam_stream_info_t *streamInfo) = 0;
57     virtual QCameraMemory *allocateStreamUserBuf(cam_stream_info_t *streamInfo) = 0;
58     virtual void waitForDeferredAlloc(cam_stream_type_t stream_type) = 0;
59     virtual uint32_t scheduleBackgroundTask(BackgroundTask* bgTask) = 0;
60     virtual int32_t waitForBackgroundTask(uint32_t &taskId) = 0;
~QCameraAllocator()61     virtual ~QCameraAllocator() {}
62 };
63 
64 }; /* namespace qcamera */
65 #endif /* __QCAMERA_ALLOCATOR__ */
66