#ifndef __HAL_BUFFER_LIST_H__
#define __HAL_BUFFER_LIST_H__

#include <fcntl.h>
#include <cutils/list.h>
#include <utils/Mutex.h>

namespace android {

typedef struct BUFFER_NODE_t
{
    struct listnode    i_list;
    int                id;
    void *            data;
    int                size;
    char            priv[128];
    int             fd;
}buffer_node;

class BufferListManager {
public:
    BufferListManager();
    ~BufferListManager();

    // return buffer start address
    buffer_node * allocBuffer(uint32_t id, uint32_t min_size);
    void releaseBuffer(buffer_node * node);

    bool isListEmpty();

    buffer_node * pop();
    void push(buffer_node * node);
    int getItemCnt();

private:
    Mutex                mLock;

    struct listnode        mList;

    int                    mItemCnt;
};

}; /* namespace android */

#endif  /* __HAL_BUFFER_LIST_H__ */