sad.h

这是G.723和G.729的音频编解码的源代码

class SAD
{protected:
	DBitStream *InputStream;
	int low, high, code_value, bit;
	int SADlength, sacindex, cum, zerorun;

	_inline void bit_out_psc_layer();
	RunCoef vlc_word_decode(int symbol_word, int *last);
	RunCoef Decode_Escape_Char(BOOL intra, int *last);
	int DecodeTCoef(int position,BOOL intra);
 public:
	int decode_a_symbol(const int *cumul_freq);
	void DecodeReset( );
	SAD(DBitStream *InStream);
	int GetIntraBlock(short *QCoeff);
	int GetInterBlock(short *QCoeff);
};