xref: /aosp_15_r20/external/libopus/celt/cwrs.h (revision a58d3d2adb790c104798cd88c8a3aff4fa8b82cc)
1*a58d3d2aSXin Li /* Copyright (c) 2007-2008 CSIRO
2*a58d3d2aSXin Li    Copyright (c) 2007-2009 Xiph.Org Foundation
3*a58d3d2aSXin Li    Copyright (c) 2007-2009 Timothy B. Terriberry
4*a58d3d2aSXin Li    Written by Timothy B. Terriberry and Jean-Marc Valin */
5*a58d3d2aSXin Li /*
6*a58d3d2aSXin Li    Redistribution and use in source and binary forms, with or without
7*a58d3d2aSXin Li    modification, are permitted provided that the following conditions
8*a58d3d2aSXin Li    are met:
9*a58d3d2aSXin Li 
10*a58d3d2aSXin Li    - Redistributions of source code must retain the above copyright
11*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer.
12*a58d3d2aSXin Li 
13*a58d3d2aSXin Li    - Redistributions in binary form must reproduce the above copyright
14*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer in the
15*a58d3d2aSXin Li    documentation and/or other materials provided with the distribution.
16*a58d3d2aSXin Li 
17*a58d3d2aSXin Li    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*a58d3d2aSXin Li    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*a58d3d2aSXin Li    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20*a58d3d2aSXin Li    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21*a58d3d2aSXin Li    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22*a58d3d2aSXin Li    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23*a58d3d2aSXin Li    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24*a58d3d2aSXin Li    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25*a58d3d2aSXin Li    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26*a58d3d2aSXin Li    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27*a58d3d2aSXin Li    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*a58d3d2aSXin Li */
29*a58d3d2aSXin Li 
30*a58d3d2aSXin Li #ifndef CWRS_H
31*a58d3d2aSXin Li #define CWRS_H
32*a58d3d2aSXin Li 
33*a58d3d2aSXin Li #include "arch.h"
34*a58d3d2aSXin Li #include "stack_alloc.h"
35*a58d3d2aSXin Li #include "entenc.h"
36*a58d3d2aSXin Li #include "entdec.h"
37*a58d3d2aSXin Li 
38*a58d3d2aSXin Li #ifdef CUSTOM_MODES
39*a58d3d2aSXin Li int log2_frac(opus_uint32 val, int frac);
40*a58d3d2aSXin Li #endif
41*a58d3d2aSXin Li 
42*a58d3d2aSXin Li void get_required_bits(opus_int16 *bits, int N, int K, int frac);
43*a58d3d2aSXin Li 
44*a58d3d2aSXin Li void encode_pulses(const int *_y, int N, int K, ec_enc *enc);
45*a58d3d2aSXin Li 
46*a58d3d2aSXin Li opus_val32 decode_pulses(int *_y, int N, int K, ec_dec *dec);
47*a58d3d2aSXin Li 
48*a58d3d2aSXin Li #endif /* CWRS_H */
49