FreeCalypso > hg > gsm-codec-lib

annotate libtwamr/q_gain_c.c @ 409:4184ccc136a3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libtwamr/typedef.h: drop Pfloat from EFR, not used in AMR
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 May 2024 01:04:17 +0000
parents 3a25bdfad0d8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
368
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * R99 Version 3.3.0
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * REL-4 Version 4.1.0
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * File : q_gain_c.c
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * Purpose : Scalar quantization of the innovative
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * : codebook gain.
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 /*
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 * MODULE INCLUDE FILE AND VERSION ID
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 #include "namespace.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #include "q_gain_c.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 /*
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 * INCLUDE FILES
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 #include "tw_amr.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 #include "typedef.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 #include "basic_op.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 #include "oper_32b.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 #include "no_count.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 #include "log2.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 #include "pow2.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 #include "gains_tab.h"
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 /*
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 * PUBLIC PROGRAM CODE
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 ********************************************************************************
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 /*--------------------------------------------------------------------------*
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 * Function q_gain_code() *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 * Scalar quantization of the innovative codebook gain. *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 * *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 *--------------------------------------------------------------------------*/
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 Word16 q_gain_code ( /* o : quantization index, Q0 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 enum Mode mode, /* i : AMR mode */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 Word16 exp_gcode0, /* i : predicted CB gain (exponent), Q0 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 Word16 frac_gcode0, /* i : predicted CB gain (fraction), Q15 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 Word16 *gain, /* i/o: quantized fixed codebook gain, Q1 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 Word16 *qua_ener_MR122, /* o : quantized energy error, Q10 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 /* (for MR122 MA predictor update) */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 Word16 *qua_ener /* o : quantized energy error, Q10 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 /* (for other MA predictor update) */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 )
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 const Word16 *p;
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 Word16 i, index;
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 Word16 gcode0, err, err_min;
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 Word16 g_q0;
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 test ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 g_q0 = 0; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 test ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 if (sub(mode, MR122) == 0)
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 g_q0 = shr (*gain, 1); /* Q1 -> Q0 */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 /*-------------------------------------------------------------------*
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 * predicted codebook gain *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 * ~~~~~~~~~~~~~~~~~~~~~~~ *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 * gc0 = Pow2(int(d)+frac(d)) *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 * = 2^exp + 2^frac *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 * *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 *-------------------------------------------------------------------*/
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 gcode0 = extract_l (Pow2 (exp_gcode0, frac_gcode0)); /* predicted gain */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 test ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 if (sub(mode, MR122) == 0)
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 gcode0 = shl (gcode0, 4);
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 else
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 gcode0 = shl (gcode0, 5);
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 /*-------------------------------------------------------------------*
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 * Search for best quantizer *
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 *-------------------------------------------------------------------*/
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 p = &qua_gain_code[0]; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 test ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 if (sub(mode, MR122) == 0)
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 err_min = abs_s (sub (g_q0, mult (gcode0, *p++)));
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 else
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 err_min = abs_s (sub (*gain, mult (gcode0, *p++)));
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 p += 2; /* skip quantized energy errors */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 index = 0; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 for (i = 1; i < NB_QUA_CODE; i++)
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 test ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 if (sub(mode, MR122) == 0)
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 err = abs_s (sub (g_q0, mult (gcode0, *p++)));
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 else
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 err = abs_s (sub (*gain, mult (gcode0, *p++)));
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 p += 2; /* skip quantized energy error */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 test ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 if (sub (err, err_min) < 0)
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 err_min = err; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 index = i; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 p = &qua_gain_code[add (add (index,index), index)]; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 test ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 if (sub(mode, MR122) == 0)
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 *gain = shl (mult (gcode0, *p++), 1);
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 else
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 {
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 *gain = mult (gcode0, *p++);
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 }
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 /* quantized error energies (for MA predictor update) */
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 *qua_ener_MR122 = *p++; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 *qua_ener = *p; move16 ();
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 return index;
3a25bdfad0d8 libtwamr: integrate q_gain_c.c
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 }