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#ifndef __QCAMERA2HWI_MEM_H__
#define __QCAMERA2HWI_MEM_H__
#include <hardware/camera.h>
#include <utils/Mutex.h>
#include <utils/List.h>
extern "C" {
#include <sys/types.h>
#include <linux/msm_ion.h>
#include <mm_camera_interface.h>
}
namespace qcamera {
class QCameraMemoryPool;
// Base class for all memory types. Abstract.
class QCameraMemory {
public:
int cleanCache(int index) {return cacheOps(index, ION_IOC_CLEAN_CACHES);}
int invalidateCache(int index) {return cacheOps(index, ION_IOC_INV_CACHES);}
int cleanInvalidateCache(int index) {return cacheOps(index, ION_IOC_CLEAN_INV_CACHES);}
int getFd(int index) const;
int getSize(int index) const;
int getCnt() const;
virtual int allocate(int count, int size, uint32_t is_secure) = 0;
virtual void deallocate() = 0;
virtual int allocateMore(int count, int size) = 0;
virtual int cacheOps(int index, unsigned int cmd) = 0;
virtual int getRegFlags(uint8_t *regFlags) const = 0;
virtual camera_memory_t *getMemory(int index, bool metadata) const = 0;
virtual int getMatchBufIndex(const void *opaque, bool metadata) const = 0;
virtual void *getPtr(int index) const= 0;
QCameraMemory(bool cached,
QCameraMemoryPool *pool = NULL,
cam_stream_type_t streamType = CAM_STREAM_TYPE_DEFAULT);
virtual ~QCameraMemory();
void getBufDef(const cam_frame_len_offset_t &offset,
mm_camera_buf_def_t &bufDef, int index) const;
protected:
friend class QCameraMemoryPool;
struct QCameraMemInfo {
int fd;
int main_ion_fd;
ion_user_handle_t handle;
uint32_t size;
bool cached;
int heap_id;
};
int alloc(int count, int size, int heap_id, uint32_t is_secure);
void dealloc();
static int allocOneBuffer(struct QCameraMemInfo &memInfo,
int heap_id,
int size,
bool cached,
uint32_t is_secure);
static void deallocOneBuffer(struct QCameraMemInfo &memInfo);
int cacheOpsInternal(int index, unsigned int cmd, void *vaddr);
bool m_bCached;
int mBufferCount;
struct QCameraMemInfo mMemInfo[MM_CAMERA_MAX_NUM_FRAMES];
QCameraMemoryPool *mMemoryPool;
cam_stream_type_t mStreamType;
};
class QCameraMemoryPool {
public:
QCameraMemoryPool();
virtual ~QCameraMemoryPool();
int allocateBuffer(struct QCameraMemory::QCameraMemInfo &memInfo,
int heap_id,
int size,
bool cached,
cam_stream_type_t streamType,
int is_secure);
void releaseBuffer(struct QCameraMemory::QCameraMemInfo &memInfo,
cam_stream_type_t streamType);
void clear();
protected:
int findBufferLocked(struct QCameraMemory::QCameraMemInfo &memInfo,
int heap_id,
uint32_t size,
bool cached,
cam_stream_type_t streamType);
android::List<QCameraMemory::QCameraMemInfo> mPools[CAM_STREAM_TYPE_MAX];
pthread_mutex_t mLock;
};
// Internal heap memory is used for memories used internally
// They are allocated from /dev/ion.
class QCameraHeapMemory : public QCameraMemory {
public:
QCameraHeapMemory(bool cached);
virtual ~QCameraHeapMemory();
virtual int allocate(int count, int size, uint32_t is_secure);
virtual int allocateMore(int count, int size);
virtual void deallocate();
virtual int cacheOps(int index, unsigned int cmd);
virtual int getRegFlags(uint8_t *regFlags) const;
virtual camera_memory_t *getMemory(int index, bool metadata) const;
virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
virtual void *getPtr(int index) const;
private:
void *mPtr[MM_CAMERA_MAX_NUM_FRAMES];
};
// Externel heap memory is used for memories shared with
// framework. They are allocated from /dev/ion or gralloc.
class QCameraStreamMemory : public QCameraMemory {
public:
QCameraStreamMemory(camera_request_memory getMemory,
bool cached,
QCameraMemoryPool *pool = NULL,
cam_stream_type_t streamType = CAM_STREAM_TYPE_DEFAULT);
virtual ~QCameraStreamMemory();
virtual int allocate(int count, int size, uint32_t is_secure);
virtual int allocateMore(int count, int size);
virtual void deallocate();
virtual int cacheOps(int index, unsigned int cmd);
virtual int getRegFlags(uint8_t *regFlags) const;
virtual camera_memory_t *getMemory(int index, bool metadata) const;
virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
virtual void *getPtr(int index) const;
protected:
camera_request_memory mGetMemory;
camera_memory_t *mCameraMemory[MM_CAMERA_MAX_NUM_FRAMES];
};
// Externel heap memory is used for memories shared with
// framework. They are allocated from /dev/ion or gralloc.
class QCameraVideoMemory : public QCameraStreamMemory {
public:
QCameraVideoMemory(camera_request_memory getMemory, bool cached);
virtual ~QCameraVideoMemory();
virtual int allocate(int count, int size, uint32_t is_secure);
virtual int allocateMore(int count, int size);
virtual void deallocate();
virtual camera_memory_t *getMemory(int index, bool metadata) const;
virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
private:
camera_memory_t *mMetadata[MM_CAMERA_MAX_NUM_FRAMES];
};
;
// Gralloc Memory is acquired from preview window
class QCameraGrallocMemory : public QCameraMemory {
enum {
BUFFER_NOT_OWNED,
BUFFER_OWNED,
};
public:
QCameraGrallocMemory(camera_request_memory getMemory);
void setNativeWindow(preview_stream_ops_t *anw);
virtual ~QCameraGrallocMemory();
virtual int allocate(int count, int size, uint32_t is_secure);
virtual int allocateMore(int count, int size);
virtual void deallocate();
virtual int cacheOps(int index, unsigned int cmd);
virtual int getRegFlags(uint8_t *regFlags) const;
virtual camera_memory_t *getMemory(int index, bool metadata) const;
virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
virtual void *getPtr(int index) const;
void setWindowInfo(preview_stream_ops_t *window, int width, int height,
int stride, int scanline, int format);
// Enqueue/display buffer[index] onto the native window,
// and dequeue one buffer from it.
// Returns the buffer index of the dequeued buffer.
int displayBuffer(int index);
private:
buffer_handle_t *mBufferHandle[MM_CAMERA_MAX_NUM_FRAMES];
int mLocalFlag[MM_CAMERA_MAX_NUM_FRAMES];
struct private_handle_t *mPrivateHandle[MM_CAMERA_MAX_NUM_FRAMES];
preview_stream_ops_t *mWindow;
int mWidth, mHeight, mFormat, mStride, mScanline;
camera_request_memory mGetMemory;
camera_memory_t *mCameraMemory[MM_CAMERA_MAX_NUM_FRAMES];
int mMinUndequeuedBuffers;
};
}; // namespace qcamera
#endif /* __QCAMERA2HWI_MEM_H__ */