www.pudn.com > iMagic_2006_0428_v098r23.rar > AACEncoder.h

#ifndef _AACENCODER_H 
#define _AACENCODER_H 
 
#include "constant.h" 
#include "aacenccommon.h" 
#include "ChannelInfo.h" 
 
 
// Basic Type Define 
//typedef float FLOAT; 
//typedef int BOOL; 
//typedef unsigned short WORD; 
//typedef unsigned long DWORD; 
//typedef int bool; 
 
typedef enum { 
   BINSEARCH_NONE, 
   BINSEARCH_UP,  
   BINSEARCH_DOWN 
} DIRECTION; 
 
 
////////////////////////////////////////////////////////////////////////// 
// Structure Define 
////////////////////////////////////////////////////////////////////////// 
typedef struct  
{ 
   unsigned short    wFormatTag;        // format type 
   unsigned short    nChannels;         // number of channels (i.e. mono, stereo, etc.) 
   unsigned long   nSamplesPerSec;    // sample rate 
   unsigned long   nAvgBytesPerSec;   // for buffer estimation 
   unsigned short    nBlockAlign;       // block size of data 
   unsigned short    wBitsPerSample;    
     
}WAVFORMAT; 
 
typedef struct 
{ 
   WAVFORMAT wavformat; 
   unsigned long data_sample; 
   unsigned long data_byte; 
   unsigned long totalbyte; 
} WavInfo; 
 
 
 
typedef struct 
{ 
   int i_pe[MAX_SCFAC_BANDS]; 
   int i_en[MAX_SCFAC_BANDS]; 
   int i_thr[MAX_SCFAC_BANDS]; 
   int min_freq_clz[MAX_SCFAC_BANDS]; 
} MaskInfo; 
 
 
 
typedef struct 
{ 
   int sampling_rate; 
   int num_band_long; 
   int width_long[NSFB_LONG]; 
   int sum_width_long[NSFB_LONG]; 
} BandInfo; 
 
 
typedef struct 
{ 
   // input parameter 
   int bitrate; 
   int vbr_quality; 
   int allowMidside; 
   int lowpassfreq; 
   int lowpasswidth; 
   int container; 
   //char* InFileName; 
   //char* OutFileName; 
//   FILE* pInFile; 
   unsigned long* pInFile; 
//   FILE* pOutFile; 
   unsigned long* pOutFile; 
 
   /*int* host_pcmL_addr; 
   int* host_pcmR_addr; 
   int* overlap_pcmL_addr; 
   int* overlap_pcmR_addr;*/ 
   //int* mdct_xr_ptr; 
   //int* mdct_xi_ptr; 
 
   // wav info 
   long num_samples; 
   int sample_rate; 
   int sample_rate_idx; 
   int in_channels; 
   int out_channels; 
 
   // low pass starting cut line 
   int xlowpass; 
 
   // frame info 
   int frameNum; 
   int framePE; 
 
   // configuration (not sure needs or not) 
   int mpegVersion; 
   int aacObjectType; 
   int max_output_bits; 
 
   // Filter Bank 
   int *filter_buf1; 
   int *filter_buf2; 
 
   // M/S 
   int ms_used[MAX_SCFAC_BANDS]; 
   int is_present; 
   int common_window; 
 
   // bit reservoir 
   int resv_history[RESV_HISTORY_NUM]; 
   int pe_history[RESV_HISTORY_NUM]; 
   int resv_max; 
   int resv_size; 
   int resv_index; 
   int resv_sum; 
   int pe_sum; 
   int pe_avg; 
 
   int bit_diff; 
   int mean_bits; 
   int inv_mean_bits; 
   int inv_sample_rate; 
   int i_rate_control; 
   int noise_band; 
   int valid_bits[MAX_CHANNELS]; 
 
   // quantize buffer 
   int i_xr_sqrt_sum[MAX_SCFAC_BANDS]; 
   int i_xmin[MAX_SCFAC_BANDS]; 
   int *i_xr_pow34; 
   //int ix_abs[FRAME_LEN]; 
   int amplify_band; 
 
   // bitstream 
   //unsigned char bsbuff[2*768];   // (6144/8)*2 
   unsigned char *bsbuff; 
   unsigned char* pbsbuff; 
   int bs_byte_idx; 
   int bs_cache_left; 
   unsigned int bs_cache; 
   int max_quant_sfb; 
 
   // ATH 
   //float ATH[MAX_SCFAC_BANDS]; 
 
   // scale factor 
   int i_fscale[MAX_SCFAC_BANDS]; 
   //int i_fupper[MAX_SCFAC_BANDS]; 
   //int iupper[MAX_SCFAC_BANDS]; 
   //int   iscale[MAX_SCFAC_BANDS]; 
 
 
   int shift_bw[NSFB_LONG]; 
 
 
   /////////////////////////////// 
   // structure define 
   /////////////////////////////// 
   BandInfo bandinfo; 
   WavInfo wavinfo; 
 
   ////////////////////////////////////////////////////////////////////////// 
   // Testing and Analyzing Parameters 
   ////////////////////////////////////////////////////////////////////////// 
//#ifdef _DUMP_FIND_MAX 
//   float f_max; 
//   int i_max; 
//#endif 
   int ms_count; 
   int tmp_count; 
 
} AAC_Config; 
 
 
//Tony: modify 
extern int *tmpr; 
//extern int *tmpr2; 
extern AAC_Config *aac_config; 
extern ChannelInfo *channelinfo; 
extern int ch_now; 
 
//extern int g_buf1[FRAME_LEN]; 
extern int g_buf2[FRAME_LEN]; 
extern int *g_buf1; 
//extern int *g_buf2; 
 
//extern int g_buf3[FRAME_LEN]; 
//extern int g_buf4[FRAME_LEN]; 
extern int *g_buf3; 
extern int *g_buf4; 
 
//extern int g_buf5[FRAME_LEN]; 
//extern int g_buf6[FRAME_LEN]; 
extern int *g_buf5; 
extern int *g_buf6; 
 
extern int g_tmp[FRAME_LEN]; 
 
extern short *i_sin_window; 
extern short *i_cos18_tab; 
extern short *i_sin18_tab; 
extern unsigned short *cfftf_table; 
 
extern short c_i_cos18_tab[512]; 
extern short c_i_sin18_tab[512]; 
extern unsigned short c_cfftf_table[1024]; 
 
extern int* host_pcmL_addr; 
extern int* host_pcmR_addr; 
extern int* overlap_pcmL_addr; 
extern int* overlap_pcmR_addr; 
 
extern unsigned short *tab_huffman_book3; 
extern short *tab_huffman_book4; 
extern short *tab_huffman_book7; 
extern short *tab_huffman_book8; 
extern short *tab_huffman_book9; 
extern short *tab_huffman_book10; 
extern short *tab_huffman_book11; 
 
extern int *i_POW2_X16_table; 
extern int *i_INVPOW2_X16_table; 
extern short *amplify_table; 
 
extern int c_i_POW2_X16_table[16]; 
extern int c_i_INVPOW2_X16_table[16]; 
extern short c_amplify_table[MAX_SCFAC_BANDS]; 
 
#endif