1 files changed, 126 insertions, 0 deletions
diff --git a/k9vamps/k9requant2.h b/k9vamps/k9requant2.h
new file mode 100755
index 0000000..e28336f
--- /dev/null
+++ b/k9vamps/k9requant2.h
@@ -0,0 +1,126 @@
+#include <qbuffer.h>
+#include "k9fifo.h"
+
+#ifndef K9REQUANT2_H
+#define K9REQUANT2_H
+
+
+class k9Requant2 
+{
+public:
+	void setInput(char *data,int size);
+	void setOutput(char*data,int size);
+	uint64_t getOutByteCnt() { return outbytecnt-outbytecnt1;};
+	void setFactor(float fact);
+	void run();	
+	k9Requant2();
+	~k9Requant2();
+private:
+	QBuffer m_buffIn,m_buffOut;
+	QByteArray m_baIn,m_baOut;
+
+	char *m_dataIn,*m_dataOut;
+	int m_sizeIn,m_sizeOut;
+
+	// mpeg2 state
+	// seq header
+	uint horizontal_size_value;
+	uint vertical_size_value;
+
+	// pic header
+	uint picture_coding_type;
+
+	// pic code ext
+	uint f_code[2][2];
+	uint intra_dc_precision;
+	uint picture_structure;
+	uint frame_pred_frame_dct;
+	uint concealment_motion_vectors;
+	uint q_scale_type;
+	uint intra_vlc_format;
+	uint alternate_scan;
+
+	// error
+	int validPicHeader;
+	int validSeqHeader;
+	int validExtHeader;
+	int sliceError;
+
+	// slice or mb
+	uint quantizer_scale;
+	uint new_quantizer_scale;
+	uint last_coded_scale;
+	int h_offset, v_offset;
+
+	// rate
+	double quant_corr;
+
+	// block data
+	typedef struct
+	{
+		uint8_t run;
+		short level;
+	} RunLevel;
+	RunLevel block[6][65]; // terminated by level = 0, so we need 64+1
+	// end mpeg2 state
+	// global variables
+	uint8_t	*cbuf, *rbuf, *wbuf, *orbuf, *owbuf;
+	int		inbitcnt, outbitcnt;
+	uint32_t	inbitbuf, outbitbuf;
+	uint64_t	inbytecnt, outbytecnt,outbytecnt1;
+	float	fact_x;
+	int		mloka1;
+
+	/////---- begin ext mpeg code
+
+private:
+	void putbits(uint val, int n);
+	void Refill_bits(void);
+	uint Show_Bits(uint n);
+	uint Get_Bits(uint n);
+	uint Copy_Bits(uint n);
+	void flush_read_buffer();
+	void flush_write_buffer();
+	int scale_quant(double quant);
+	int increment_quant(int quant);
+	int intmax( register int x, register int y );
+	int intmin( register int x, register int y );
+	int getNewQuant(int curQuant);
+	int isNotEmpty(RunLevel *blk);
+	int putAC(int run, int signed_level, int vlcformat);
+	int putACfirst(int run, int val);
+	void putnonintrablk(RunLevel *blk);
+	void putcbp(int cbp);
+	void putmbtype(int mb_type);
+	int get_macroblock_modes ();
+	int get_quantizer_scale ();
+	int get_motion_delta (const int f_code);
+	int get_dmv ();
+	int get_coded_block_pattern ();
+	int get_luma_dc_dct_diff ();
+	int get_chroma_dc_dct_diff ();
+	void get_intra_block_B14 ();
+	void get_intra_block_B15 ();
+	int get_non_intra_block_drop (RunLevel *blk);
+	int get_non_intra_block_rq (RunLevel *blk);
+	void slice_intra_DCT (const int cc);
+	void slice_non_intra_DCT (int cur_block);
+	void motion_fr_frame ( uint f_code[2] );
+	void motion_fr_field ( uint f_code[2] );
+	void motion_fr_dmv ( uint f_code[2] );
+	void motion_fr_conceal ( );
+	void motion_fi_field ( uint f_code[2] );
+	void motion_fi_16x8 ( uint f_code[2] );
+	void motion_fi_dmv ( uint f_code[2] );
+	void motion_fi_conceal ();
+
+	void putmbdata(int macroblock_modes);
+	void put_quantiser(int quantiser);
+	int slice_init (int code);
+	void mpeg2_slice ( const int code );
+	void Flush_Bits(uint);
+	void init();
+protected:
+};
+
+#endif