xref: /aosp_15_r20/external/libopus/celt/quant_bands.h (revision a58d3d2adb790c104798cd88c8a3aff4fa8b82cc)
1*a58d3d2aSXin Li /* Copyright (c) 2007-2008 CSIRO
2*a58d3d2aSXin Li    Copyright (c) 2007-2009 Xiph.Org Foundation
3*a58d3d2aSXin Li    Written by Jean-Marc Valin */
4*a58d3d2aSXin Li /*
5*a58d3d2aSXin Li    Redistribution and use in source and binary forms, with or without
6*a58d3d2aSXin Li    modification, are permitted provided that the following conditions
7*a58d3d2aSXin Li    are met:
8*a58d3d2aSXin Li 
9*a58d3d2aSXin Li    - Redistributions of source code must retain the above copyright
10*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer.
11*a58d3d2aSXin Li 
12*a58d3d2aSXin Li    - Redistributions in binary form must reproduce the above copyright
13*a58d3d2aSXin Li    notice, this list of conditions and the following disclaimer in the
14*a58d3d2aSXin Li    documentation and/or other materials provided with the distribution.
15*a58d3d2aSXin Li 
16*a58d3d2aSXin Li    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17*a58d3d2aSXin Li    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18*a58d3d2aSXin Li    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19*a58d3d2aSXin Li    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
20*a58d3d2aSXin Li    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21*a58d3d2aSXin Li    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22*a58d3d2aSXin Li    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23*a58d3d2aSXin Li    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24*a58d3d2aSXin Li    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25*a58d3d2aSXin Li    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26*a58d3d2aSXin Li    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27*a58d3d2aSXin Li */
28*a58d3d2aSXin Li 
29*a58d3d2aSXin Li #ifndef QUANT_BANDS
30*a58d3d2aSXin Li #define QUANT_BANDS
31*a58d3d2aSXin Li 
32*a58d3d2aSXin Li #include "arch.h"
33*a58d3d2aSXin Li #include "modes.h"
34*a58d3d2aSXin Li #include "entenc.h"
35*a58d3d2aSXin Li #include "entdec.h"
36*a58d3d2aSXin Li #include "mathops.h"
37*a58d3d2aSXin Li 
38*a58d3d2aSXin Li #ifdef FIXED_POINT
39*a58d3d2aSXin Li extern const signed char eMeans[25];
40*a58d3d2aSXin Li #else
41*a58d3d2aSXin Li extern const opus_val16 eMeans[25];
42*a58d3d2aSXin Li #endif
43*a58d3d2aSXin Li 
44*a58d3d2aSXin Li void amp2Log2(const CELTMode *m, int effEnd, int end,
45*a58d3d2aSXin Li       celt_ener *bandE, opus_val16 *bandLogE, int C);
46*a58d3d2aSXin Li 
47*a58d3d2aSXin Li void log2Amp(const CELTMode *m, int start, int end,
48*a58d3d2aSXin Li       celt_ener *eBands, const opus_val16 *oldEBands, int C);
49*a58d3d2aSXin Li 
50*a58d3d2aSXin Li void quant_coarse_energy(const CELTMode *m, int start, int end, int effEnd,
51*a58d3d2aSXin Li       const opus_val16 *eBands, opus_val16 *oldEBands, opus_uint32 budget,
52*a58d3d2aSXin Li       opus_val16 *error, ec_enc *enc, int C, int LM,
53*a58d3d2aSXin Li       int nbAvailableBytes, int force_intra, opus_val32 *delayedIntra,
54*a58d3d2aSXin Li       int two_pass, int loss_rate, int lfe);
55*a58d3d2aSXin Li 
56*a58d3d2aSXin Li void quant_fine_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, opus_val16 *error, int *fine_quant, ec_enc *enc, int C);
57*a58d3d2aSXin Li 
58*a58d3d2aSXin Li void quant_energy_finalise(const CELTMode *m, int start, int end, opus_val16 *oldEBands, opus_val16 *error, int *fine_quant, int *fine_priority, int bits_left, ec_enc *enc, int C);
59*a58d3d2aSXin Li 
60*a58d3d2aSXin Li void unquant_coarse_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int intra, ec_dec *dec, int C, int LM);
61*a58d3d2aSXin Li 
62*a58d3d2aSXin Li void unquant_fine_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int *fine_quant, ec_dec *dec, int C);
63*a58d3d2aSXin Li 
64*a58d3d2aSXin Li void unquant_energy_finalise(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int *fine_quant, int *fine_priority, int bits_left, ec_dec *dec, int C);
65*a58d3d2aSXin Li 
66*a58d3d2aSXin Li #endif /* QUANT_BANDS */
67