Norimasa Okamoto / Mbed 2 deprecated BaseJpegDecode_example

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Dependencies:   BaseJpegDecode Terminal BaseUsbHost mbed mbed-rtos

Fork of BaseJpegDecode by Norimasa Okamoto

BaseJpegDecode.h

Committer:
va009039
Date:
2012-10-08
Revision:
1:58dfd5386a92
Parent:
0:7121d9fb45f4

File content as of revision 1:58dfd5386a92:

#ifndef BASE_JPEG_DECODE_H
#define BASE_JPEG_DECODE_H
#include "HuffmanDecode.h"
#include "BitPattern.h"

#define JPEG_MCU_YBLOCKS 2

class BaseJpegDecode {
public:
    BaseJpegDecode();
    void clear();
    void input(uint8_t c);
    void input(uint8_t* buf, int len);
    virtual void outputDC(int mcu, int block, int value) = 0;
    virtual void outputAC(int mcu, int block, int scan, int value) = 0;
    virtual void outputMARK(uint8_t c) = 0;
private:
    void inputScan(uint8_t c);
    void restart();
protected:
    int m_seq;
    int m_mcu;
    int m_block;
    int m_scan;
    Huff* m_huff;
    int m_old_DC_value[2];
    BitPattern m_bitpat;
    int m_skip;
    uint8_t m_mark;
    HuffmanDecode* pHD;
    int m_yblocks;
};
#endif // BASE_JPEG_DECODE_H