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| |
| #ifndef __OMX_VDEC_INPBUF_H__ |
| #define __OMX_VDEC_INPBUF_H__ |
| /*============================================================================ |
| O p e n M A X Component |
| Video Decoder |
| |
| *//** @file omx_vdec_inpbuf.h |
| This module contains the class definition for openMAX input buffer related logic. |
| |
| *//*========================================================================*/ |
| |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Include Files |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| // Number of input buffers defined at one place |
| #define MAX_NUM_INPUT_BUFFERS 8 |
| #define MAX_INPUT_BUFFERS_BITMASK_SIZE ((MAX_NUM_INPUT_BUFFERS/8) + 1) |
| |
| // OMX video decoder input buffer class |
| class omx_vdec_inpbuf { |
| public: |
| omx_vdec_inpbuf(); // constructor |
| virtual ~ omx_vdec_inpbuf(); // destructor |
| |
| bool add_entry(unsigned int index); |
| int remove_top_entry(); |
| |
| // Any buffer pending? |
| bool is_pending(); |
| // Is buffer with particular index pending? |
| bool is_pending(unsigned int index); |
| int get_first_pending_index(void); |
| bool push_back_entry(unsigned int index); |
| |
| private: |
| unsigned int m_pend_q[MAX_NUM_INPUT_BUFFERS]; |
| unsigned int m_read; // read pointer |
| unsigned int m_write; // write pointer |
| int m_size; // size |
| int m_last; // last entry deleted |
| unsigned char m_flags[MAX_INPUT_BUFFERS_BITMASK_SIZE]; |
| |
| }; |
| |
| #endif // __OMX_VDEC_H__ |