port.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:5k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /************************* 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 1.9 2002/01/09 22:25:41 wmay 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_ */