| /************************* MPEG-2 NBC Audio Decoder ************************** |
| * * |
| "This software module was originally developed by |
| AT&T, Dolby Laboratories, Fraunhofer Gesellschaft IIS and edited by |
| Yoshiaki Oikawa (Sony Corporaion), |
| Mitsuyuki Hatanaka (Sony Corporation), |
| in the course of development of the MPEG-2 NBC/MPEG-4 Audio standard ISO/IEC 13818-7, |
| 14496-1,2 and 3. This software module is an implementation of a part of one or more |
| MPEG-2 NBC/MPEG-4 Audio tools as specified by the MPEG-2 NBC/MPEG-4 |
| Audio standard. ISO/IEC gives users of the MPEG-2 NBC/MPEG-4 Audio |
| standards free license to this software module or modifications thereof for use in |
| hardware or software products claiming conformance to the MPEG-2 NBC/MPEG-4 |
| Audio standards. Those intending to use this software module in hardware or |
| software products are advised that this use may infringe existing patents. |
| The original developer of this software module and his/her company, the subsequent |
| editors and their companies, and ISO/IEC have no liability for use of this software |
| module or modifications thereof in an implementation. Copyright is not released for |
| non MPEG-2 NBC/MPEG-4 Audio conforming products.The original developer |
| retains full right to use the code for his/her own purpose, assign or donate the |
| code to a third party and to inhibit third party from using the code for non |
| MPEG-2 NBC/MPEG-4 Audio conforming products. This copyright notice must |
| be included in all copies or derivative works." |
| Copyright(c)1996. |
| * * |
| ****************************************************************************/ |
| /* |
| * $Id: port.h,v 1.5 2002/01/11 00:55:17 wmaycisco Exp $ |
| */ |
| |
| #ifndef _port_h_ |
| #define _port_h_ |
| |
| #ifndef min |
| #define min(a,b) ( (a) < (b) ? (a) : (b) ) |
| #endif |
| |
| #include "all.h" |
| |
| |
| int check_mc_info(faacDecHandle hDecoder, MC_Info *mip, int new_config); |
| int chn_config(faacDecHandle hDecoder, int id, int tag, |
| int common_window, MC_Info *mip); |
| __inline void decode_huff_cw(faacDecHandle hDecoder, Huffman *h, int *qp, Hcb *hcb); |
| __inline int decode_huff_cw_scl(faacDecHandle hDecoder, Huffscl *h); |
| int enter_mc_info(faacDecHandle hDecoder, MC_Info *mip, ProgConfig *pcp); |
| int get_adif_header(faacDecHandle hDecoder); |
| int get_adts_header(faacDecHandle hDecoder); |
| int get_prog_config(faacDecHandle hDecoder, ProgConfig *p); |
| void getfill(faacDecHandle hDecoder, byte *data); |
| int getdata(faacDecHandle hDecoder, int *tag, int *dt_cnt, byte *data_bytes); |
| void huffbookinit(faacDecHandle hDecoder); |
| int huffdecode(faacDecHandle hDecoder, int id, MC_Info *mip, byte *win, |
| Wnd_Shape *wshape, byte **cb_map, int **factors, |
| byte **group, byte *hasmask, byte **mask, byte *max_sfb, |
| int **lpflag, int **prstflag, NOK_LT_PRED_STATUS **nok_ltp, |
| TNS_frame_info **tns, Float **coef); |
| void hufftab(Hcb *hcb, Huffman *hcw, int dim, int signed_cb); |
| void infoinit(faacDecHandle hDecoder, SR_Info *sip); |
| void intensity(MC_Info *mip, Info *info, int widx, int ch, byte *group, byte *cb_map, |
| int *factors, int *lpflag, Float *coef[Chans]); |
| void map_mask(Info *info, byte *group, byte *mask, byte *cb_map); |
| void reset_mc_info(faacDecHandle hDecoder, MC_Info *mip); |
| void reset_bits(void); |
| void synt(Info *info, byte *group, byte *mask, Float *right, Float *left); |
| void tns_decode_subblock(faacDecHandle hDecoder, Float *spec, int nbands, |
| int *sfb_top, int islong, TNSinfo *tns_info); |
| void tns_filter_subblock(faacDecHandle hDecoder, Float *spec, int nbands, |
| int *sfb_top, int islong, TNSinfo *tns_info); |
| void pns(faacDecHandle hDecoder, MC_Info *mip, Info *info, int widx, int ch, byte *group, byte *cb_map, |
| int *factors, int *lpflag, Float *coef[Chans]); |
| void freq2time_adapt(faacDecHandle hDecoder,byte wnd, Wnd_Shape *wnd_shape, |
| Float *coef, Float *state, Float *data); |
| void time2freq_adapt(faacDecHandle hDecoder,WINDOW_TYPE blockType, Wnd_Shape *wnd_shape, |
| Float *timeInPtr, Float *ffreqOutPtr); |
| int predict(faacDecHandle hDecoder, Info* info, int profile, int *lpflag, PRED_STATUS *psp, Float *coef); |
| void predict_pns_reset(Info* info, PRED_STATUS *psp, byte *cb_map); |
| void init_pred(faacDecHandle hDecoder, PRED_STATUS **sp_status, int channels); |
| int predict_reset(faacDecHandle hDecoder, Info* info, int *prstflag, PRED_STATUS **psp, |
| int firstCh, int lastCh, int *last_rstgrp_num); |
| void reset_pred_state(PRED_STATUS *psp); |
| int get_sr_index(unsigned int sampleRate); |
| |
| #endif /* _port_h_ */ |
