?? audio.h
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/* Copyright 1996, ESS Technology, Inc. *//* SCCSID @(#)audio.h 1.21 12/9/97 *//* * $Log$ */#ifndef __AUDIO_H__#define __AUDIO_H__#include "common.h"#define LEFT_LEFT 0#define RIGHT_RIGHT 1#define LEFT_RIGHT 2 /* stereo */#define LEFT_RIGHT_AVG 3 /* average both channels */#define SURROUND 3 /* spatializer */#ifdef S215#define VOCAL_ASSISTING_LEFT 4 /* vocal assisting left */#define VOCAL_ASSISTING_RIGHT 5 /* vocal assisting right */#endif/************************************************************************** Buffer organization. Dram absolute address in dwords.**************************************************************************/#ifdef MPEG1#define audio_start (15740+ADJUST_4_LINE)#else#define audio_start 64396#endif/* Altogther 1028 dwords */#define Wj_start audio_start#define csf0_start Wj_start + 256#define csf1_start csf0_start + 192#define Ueven_start csf1_start + 64#define Uodd_start Ueven_start + 256#define v48_start Uodd_start + 224#define v48_end v48_start + 18#define audio_end v48_start + 36/************************************************************************* MPEG Audio Related Stuff, private to mpgaudio.c.************************************************************************/#define MONO 1#define STEREO 2#define SBLIMIT 32#define MPG_MD_STEREO 0#define MPG_MD_JOINT_STEREO 1#define MPG_MD_DUAL_CHANNEL 2#define MPG_MD_MONO 3#define SAMP_48K_S 0x30341200 /* stereo modes */#define SAMP_44K_S 0x302c2200#define SAMP_32K_S 0x301c1200#define SAMP_16K_S 0x300c1200#define SAMP_8K_S 0x30041200#define SAMP_48K_M 0x30301200 /* mono modes */#define SAMP_44K_M 0x30282200#define SAMP_32K_M 0x30181200#define SAMP_16K_M 0x30081200#define SAMP_8K_M 0x30001200#define PLAYBACK_MODE SAMP_44K_S/**********************************//* subband limits from table 3B-2 *//**********************************/#define SBLIM3B2A 27#define SBLIM3B2B 30#define SBLIM3B2C 8#define SBLIM3B2D 12#ifdef MKTABLE/**********************//* table of nbal's/sb *//**********************/char nbal3B2b[SBLIM3B2B] = { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2};char nbal3B2d[SBLIM3B2D] = { 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3}; /***********************************************//* nbal index translation to step-table index. *//***********************************************/char index3B2b[SBLIM3B2B*16] = { 0, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 0, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 0, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };char index3B2d[SBLIM3B2D*16] = { 0, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0 };char look_div3[32] = { 0x3f, 0xf, 0x1f, 0x33, 0x3, 0x13, 0x37, 0x7, 0x17, 0x3c, 0xc, 0x1c, 0x30, 0x0, 0x10, 0x34, 0x4, 0x14, 0x3d, 0xd, 0x1d, 0x31, 0x1, 0x11, 0x35, 0x5, 0x15, 0x3f, 0xf, 0x1f, 0x33, 0x3 };unsigned short look_div5[128] = { 0xccc0, 0xecc0, 0x0cc0, 0x2cc0, 0x4cc0, 0xcec0, 0xeec0, 0x0ec0, 0x2ec0, 0x4ec0, 0xc0c0, 0xe0c0, 0x00c0, 0x20c0, 0x40c0, 0xc2c0, 0xe2c0, 0x02c0, 0x22c0, 0x42c0, 0xc4c0, 0xe4c0, 0x04c0, 0x24c0, 0x44c0, 0xcce0, 0xece0, 0x0ce0, 0x2ce0, 0x4ce0, 0xcee0, 0xeee0, 0x0ee0, 0x2ee0, 0x4ee0, 0xc0e0, 0xe0e0, 0x00e0, 0x20e0, 0x40e0, 0xc2e0, 0xe2e0, 0x02e0, 0x22e0, 0x42e0, 0xc4e0, 0xe4e0, 0x04e0, 0x24e0, 0x44e0, 0xcc00, 0xec00, 0x0c00, 0x2c00, 0x4c00, 0xce00, 0xee00, 0x0e00, 0x2e00, 0x4e00, 0xc000, 0xe000, 0x0000, 0x2000, 0x4000, 0xc200, 0xe200, 0x0200, 0x2200, 0x4200, 0xc400, 0xe400, 0x0400, 0x2400, 0x4400, 0xcc20, 0xec20, 0x0c20, 0x2c20, 0x4c20, 0xce20, 0xee20, 0x0e20, 0x2e20, 0x4e20, 0xc020, 0xe020, 0x0020, 0x2020, 0x4020, 0xc220, 0xe220, 0x0220, 0x2220, 0x4220, 0xc420, 0xe420, 0x0420, 0x2420, 0x4420, 0xcc40, 0xec40, 0x0c40, 0x2c40, 0x4c40, 0xce40, 0xee40, 0x0e40, 0x2e40, 0x4e40, 0xc040, 0xe040, 0x0040, 0x2040, 0x4040, 0xc240, 0xe240, 0x0240, 0x2240, 0x4240, 0xc440, 0xe440, 0x0440, 0x2440, 0x4440, 0xccc0, 0xecc0, 0x0cc0};#ifdef USE_LOOK_DIV9unsigned short look_div9[1024] = { 0xccc0, 0xdcc0, 0xecc0, 0xfcc0, 0x0cc0, 0x1cc0, 0x2cc0, 0x3cc0, 0x4cc0, 0xcdc0, 0xddc0, 0xedc0, 0xfdc0, 0x0dc0, 0x1dc0, 0x2dc0, 0x3dc0, 0x4dc0, 0xcec0, 0xdec0, 0xeec0, 0xfec0, 0x0ec0, 0x1ec0, 0x2ec0, 0x3ec0, 0x4ec0, 0xcfc0, 0xdfc0, 0xefc0, 0xffc0, 0x0fc0, 0x1fc0, 0x2fc0, 0x3fc0, 0x4fc0, 0xc0c0, 0xd0c0, 0xe0c0, 0xf0c0, 0x00c0, 0x10c0, 0x20c0, 0x30c0, 0x40c0, 0xc1c0, 0xd1c0, 0xe1c0, 0xf1c0, 0x01c0, 0x11c0, 0x21c0, 0x31c0, 0x41c0, 0xc2c0, 0xd2c0, 0xe2c0, 0xf2c0, 0x02c0, 0x12c0, 0x22c0, 0x32c0, 0x42c0, 0xc3c0, 0xd3c0, 0xe3c0, 0xf3c0, 0x03c0, 0x13c0, 0x23c0, 0x33c0, 0x43c0, 0xc4c0, 0xd4c0, 0xe4c0, 0xf4c0, 0x04c0, 0x14c0, 0x24c0, 0x34c0, 0x44c0, 0xccd0, 0xdcd0, 0xecd0, 0xfcd0, 0x0cd0, 0x1cd0, 0x2cd0, 0x3cd0, 0x4cd0, 0xcdd0, 0xddd0, 0xedd0, 0xfdd0, 0x0dd0, 0x1dd0, 0x2dd0, 0x3dd0, 0x4dd0, 0xced0, 0xded0, 0xeed0, 0xfed0, 0x0ed0, 0x1ed0, 0x2ed0, 0x3ed0, 0x4ed0, 0xcfd0, 0xdfd0, 0xefd0, 0xffd0, 0x0fd0, 0x1fd0, 0x2fd0, 0x3fd0, 0x4fd0, 0xc0d0, 0xd0d0, 0xe0d0, 0xf0d0, 0x00d0, 0x10d0, 0x20d0, 0x30d0, 0x40d0, 0xc1d0, 0xd1d0, 0xe1d0, 0xf1d0, 0x01d0, 0x11d0, 0x21d0, 0x31d0, 0x41d0, 0xc2d0, 0xd2d0, 0xe2d0, 0xf2d0, 0x02d0, 0x12d0, 0x22d0, 0x32d0, 0x42d0, 0xc3d0, 0xd3d0, 0xe3d0, 0xf3d0, 0x03d0, 0x13d0, 0x23d0, 0x33d0, 0x43d0, 0xc4d0, 0xd4d0, 0xe4d0, 0xf4d0, 0x04d0, 0x14d0, 0x24d0, 0x34d0, 0x44d0, 0xcce0, 0xdce0, 0xece0, 0xfce0, 0x0ce0, 0x1ce0, 0x2ce0, 0x3ce0, 0x4ce0, 0xcde0, 0xdde0, 0xede0, 0xfde0, 0x0de0,?? 快捷鍵說明
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