wma_dec.h

来自「ESS3890+SL原代码（1*16内存）」· C头文件 代码 · 共 108 行

/* Copyright 1997, ESS Technology, Inc.                                 */
/* SCCSID @(#)wma_dec.h	1.4 03/07/05 */

/* Based on DVD code version  	1.53 10/31/01 */

#ifndef _WMA_DEC_H_
#define _WMA_DEC_H_
#include "wmaud_ty.h"
#include "msaudec.h"
#include "wmaudio.h"

#ifdef WMA_USE_MACRO
#define LoadDWORD(dw)	dw = HUFF_autoeat() + (HUFF_autoeat() << 8) + 		\
                            (HUFF_autoeat() << 16) + (HUFF_autoeat() << 24);	\
                            WMA_cbActual += 4;	\
                            WMA_cTotal += 4
#define LoadWORD(wo)	wo = HUFF_autoeat() + (HUFF_autoeat() << 8);		\
			    WMA_cbActual += 2;	\
                            WMA_cTotal += 2
#define LoadBYTE(bt)	bt = HUFF_autoeat();	WMA_cbActual += 1; WMA_cTotal += 1
#define LoadQWORD(qw)	LoadDWORD(qw.dwLo);					\
                        LoadDWORD(qw.dwHi)
#else
#define LoadDWORD(dw)	dw = f_LoadDWORD()
#define LoadWORD(wo)	wo = f_LoadWORD()
#define LoadBYTE(bt)	bt = f_LoadBYTE()
#define LoadQWORD(qw)	{qw.dwLo = f_LoadDWORD(); qw.dwHi = f_LoadDWORD();}
#endif

GBLWMA(int subf_size_prev);
GBLWMA(int subf_size_curr);
GBLWMA(int subf_size_next);
GBLWMA(int shift_bits);
GBLWMA(int Dct_factor);
GBLWMADEF(int wma_buf_remain, 0);
GBLWMADEF(int wma_pkt_num, 0);
GBLWMADEF(int last_wma_pkt_num, 0);
GBLWMADEF(int wma_pkt_to_skip, 0);
GBLWMADEF(int wma_do_resync, 0);
GBLWMADEF(int wma_seek_size, 0);
GBLWMADEF(int wma_error_skip, 0);
GBLWMADEF(int wma_freq, 0);
GBLWMADEF(int wma_byterate, 0);
GBLWMADEF(int wma_strm_buflen, 0);
GBLWMADEF(int wma_flush_output, 0);
GBLWMADEF(int wma_total_header_size, 0); /* update 8/12/2004 */


GBLWMA(int wma_delay_rd_start);
GBLWMA(int wma_delay_wr_start);
GBLWMA(tWMAFileStateInternal *sState);
GBLWMA(CAudioObjectDecoder my_AudDecoder);
GBLWMA(CAudioObject my_AudObject);
GBLWMA(CAudioObjectDecoder *pAudDecoder);
GBLWMA(PerChannelInfo my_PerChanInfo[2]);
GBLWMA(OBJHDR wma_objhdr);
GBLWMADEF(int WMA_cbActual, 0);
GBLWMADEF(int WMA_cTotal, 0);
GBLWMA(unsigned char pDataBuffer[WMA_MAX_DATA_REQUESTED+1]);
GBLWMA(tWMAFileContDesc	my_FileContDesc);
GBLWMA(WMFScriptCommand my_FileScrpCmd);

GBLWMA(int wma_smpl_num);
GBLWMADEF(int wma_second_half_exist, 0);

#ifdef WMA_CERT
GBLWMA(char *wma_filename);
#endif

GBLWMA(char group_mapto_WIN1024[8]);
void wma_transition_window(int tc_start);
void wma_transition_winone_part(int half,int chan);
void wma_transition_pair(int tc_start, int pairlen);

GBLWMADEF(char no_ext_cont,	1);
GBLWMADEF(char no_scrp_cmd,	1);


#ifdef WMA_CERT
#ifndef MLP
GBLWMADEF(int MLP_dump , 0);
#else
extern int MLP_dump;
#endif
GBLWMA(char wr_buf[100]);
GBLWMADEF(int wma_par_fp, -1);
#endif

GBLWMA( wma_new_data );
GBLWMA( wma_tmpbuf_start ); 
GBLWMA( wma_tmpbuf_offset ); 
GBLWMA( int wma_his_L ); 
GBLWMA( int wma_his_R ); 

#ifdef OLD_WMA_CERT
#define WRITE(a,b,c)	write(a,b,c)
#define OPEN(a,b)	open(a,b)
#define CLOSE(a)	close(a)
#define LSEEK(a,b,c)	lseek(a,b,c)
#else
int MY_HD_open(char *filename, int attr);
#define WRITE(a,b,c)	HD_fwrite(a,b,c)
#define OPEN(a,b)	MY_HD_open(a,b)
#define CLOSE(a)	HD_fclose(a)
#define LSEEK(a,b,c)
#endif
#endif /* _WMA_DEC_H_ */