path: root/rcaudio/bv32strct.h (plain)
blob: cdfc66c041d3a7988fca7e778c6796949a2056ef

1	/*****************************************************************************/
2	/* BroadVoice(R)32 (BV32) Floating-Point ANSI-C Source Code */
3	/* Revision Date: October 5, 2012 */
4	/* Version 1.2 */
5	/*****************************************************************************/
6
7	/*****************************************************************************/
8	/* Copyright 2000-2012 Broadcom Corporation */
9	/* */
10	/* This software is provided under the GNU Lesser General Public License, */
11	/* version 2.1, as published by the Free Software Foundation ("LGPL"). */
12	/* This program is distributed in the hope that it will be useful, but */
13	/* WITHOUT ANY SUPPORT OR WARRANTY; without even the implied warranty of */
14	/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the LGPL for */
15	/* more details. A copy of the LGPL is available at */
16	/* http://www.broadcom.com/licenses/LGPLv2.1.php, */
17	/* or by writing to the Free Software Foundation, Inc., */
18	/* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19	/*****************************************************************************/
20
21
22	/*****************************************************************************
23	bv32strct.h : BV32 data structures
24
25	$Log$
26	******************************************************************************/
27
28	#ifndef BV32STRCT_H
29	#define BV32STRCT_H
30
31	struct BV32_Decoder_State {
32	Float stsym[LPCO];
33	Float ltsym[LTMOFF];
34	Float lsppm[LPCO*LSPPORDER];
35	Float lgpm[LGPORDER];
36	Float lsplast[LPCO];
37	Float dezfm[PFO];
38	Float depfm[PFO];
39	short cfecount;
40	UWord32 idum;
41	Float scplcg;
42	Float per;
43	Float E;
44	Float atplc[LPCO+1];
45	short pp_last;
46	Float prevlg[2];
47	Float lgq_last;
48	Float bq_last[3];
49	Float lmax; /* level-adaptation */
50	Float lmin;
51	Float lmean;
52	Float x1;
53	Float level;
54	short nclglim;
55	short lctimer;
56	};
57
58	struct BV32_Encoder_State {
59	Float x[XOFF];
60	Float xwd[XDOFF]; /* memory of DECF:1 decimated version of xw() */
61	Float dq[XOFF]; /* quantized short-term pred error */
62	Float dfm[DFO]; /* decimated xwd() filter memory */
63	Float stpem[LPCO]; /* ST Pred. Error filter memory, low-band */
64	Float stwpm[LPCO]; /* ST Weighting all-Pole Memory, low-band */
65	Float stnfm[LPCO]; /* ST Noise Feedback filter Memory, Lowband */
66	Float stsym[LPCO]; /* ST SYnthesis filter Memory, Lowband */
67	Float ltsym[MAXPP1+FRSZ]; /* long-term synthesis filter memory */
68	Float ltnfm[MAXPP1+FRSZ]; /* long-term noise feedback filter memory */
69	Float lsppm[LPCO*LSPPORDER]; /* LSP Predictor Memory */
70	Float allast[LPCO+1];
71	Float lsplast[LPCO];
72	Float lgpm[LGPORDER];
73	Float hpfzm[HPO];
74	Float hpfpm[HPO];
75	Float prevlg[2];
76	Float lmax; /* level-adaptation */
77	Float lmin;
78	Float lmean;
79	Float x1;
80	Float level;
81	int cpplast; /* pitch period pf the previous frame */
82	};
83
84	struct BV32_Bit_Stream {
85	short lspidx[3];
86	short ppidx; /* 9 bit */
87	short bqidx;
88	short gidx[2];
89	short qvidx[NVPSF];
90	};
91
92	#endif /* BV32STRCT_H */
93
94