FreeCalypso > hg > gsm-codec-lib

annotate libgsmfr2/pp_bad.c @ 437:3eadaef8b28f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
implement amrefr-tseq-dec test program
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 08 May 2024 23:03:28 +0000
parents 573afa985df6
children 405a84110997
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
2 * In this module we implement our handling of BFI frame gaps
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
3 * and invalid SID frames.
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdint.h>
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <string.h>
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
8 #include "tw_gsmfr.h"
262
573afa985df6 libgsmfr2: split pp_state.h from pp_internal.h
Mychaela Falconia <falcon@freecalypso.org>
parents: 256
diff changeset
9 #include "pp_state.h"
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
10 #include "pp_internal.h"
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
12 static int reduce_xmaxc(uint8_t *frame)
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 {
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 int mute_flag = 1;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 unsigned sub, xmaxc;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 for (sub = 0; sub < 4; sub++) {
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 xmaxc = ((frame[sub*7+6] & 0x1F) << 1) | (frame[sub*7+7] >> 7);
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 if (xmaxc > 4) {
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 xmaxc -= 4;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 mute_flag = 0;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 } else
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 xmaxc = 0;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 frame[sub*7+6] &= 0xE0;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 frame[sub*7+6] |= xmaxc >> 1;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 frame[sub*7+7] &= 0x7F;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 frame[sub*7+7] |= (xmaxc & 1) << 7;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 }
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 return mute_flag;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 }
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
32 static void random_grid_pos(struct gsmfr_preproc_state *st, uint8_t *frame)
109
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
33 {
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
34 unsigned sub, Mc;
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
35
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
36 for (sub = 0; sub < 4; sub++) {
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
37 Mc = gsmfr_preproc_prng(st, 2);
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
38 frame[sub*7+6] &= 0x9F;
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
39 frame[sub*7+6] |= Mc << 5;
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
40 }
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
41 }
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
42
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
43 static int reduce_xmaxc_sid(struct gsmfr_preproc_state *st)
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
44 {
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
45 if (st->sid_xmaxc > 4) {
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
46 st->sid_xmaxc -= 4;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
47 return 0;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
48 } else {
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
49 st->sid_xmaxc = 0;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
50 return 1;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
51 }
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
52 }
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
53
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
54 void gsmfr_preproc_bfi(struct gsmfr_preproc_state *st, int taf, uint8_t *frame)
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 {
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 int mute;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 switch (st->rx_state) {
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 case NO_DATA:
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
60 memcpy(frame, &gsmfr_preproc_silence_frame,
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
61 GSMFR_RTP_FRAME_LEN);
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 return;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 case SPEECH:
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
64 memcpy(frame, &st->speech_frame, GSMFR_RTP_FRAME_LEN);
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 st->rx_state = SPEECH_MUTING;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 return;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 case SPEECH_MUTING:
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 mute = reduce_xmaxc(st->speech_frame);
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
69 memcpy(frame, &st->speech_frame, GSMFR_RTP_FRAME_LEN);
109
2361a7d8c1eb libgsmfrp: randomize grid position params when muting speech,
Mychaela Falconia <falcon@freecalypso.org>
parents: 6
diff changeset
70 random_grid_pos(st, frame);
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 if (mute)
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 st->rx_state = NO_DATA;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 return;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 case COMFORT_NOISE:
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 if (taf)
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 st->rx_state = LOST_SID;
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
77 gsmfr_preproc_gen_cn(st, frame);
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 return;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 case LOST_SID:
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
80 if (taf) {
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
81 st->rx_state = CN_MUTING;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
82 reduce_xmaxc_sid(st);
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
83 }
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 gsmfr_preproc_gen_cn(st, frame);
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
85 return;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
86 case CN_MUTING:
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
87 if (reduce_xmaxc_sid(st)) {
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 st->rx_state = NO_DATA;
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
89 memcpy(frame, &gsmfr_preproc_silence_frame,
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
90 GSMFR_RTP_FRAME_LEN);
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
91 } else
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
92 gsmfr_preproc_gen_cn(st, frame);
6
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 return;
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 }
b2255a5d0519 libgsmfrp: implement BFI handling
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 }
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
96
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
97 void gsmfr_preproc_invalid_sid(struct gsmfr_preproc_state *st, uint8_t *frame)
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
98 {
248
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
99 int mute;
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
100
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
101 switch (st->rx_state) {
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
102 case NO_DATA:
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
103 memcpy(frame, &gsmfr_preproc_silence_frame,
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
104 GSMFR_RTP_FRAME_LEN);
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
105 return;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
106 case SPEECH:
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
107 /*
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
108 * Make CN out of the last good speech frame, following the
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
109 * "NOTE" at the end of section 6.1.2 in TS 46.031.
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
110 */
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
111 st->rx_state = COMFORT_NOISE;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
112 memcpy(st->sid_prefix, &st->speech_frame, 5);
248
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
113 st->sid_xmaxc = gsmfr_preproc_xmaxc_mean(st->speech_frame);
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
114 gsmfr_preproc_gen_cn(st, frame);
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
115 return;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
116 case SPEECH_MUTING:
248
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
117 /* ignore invalid SID in this state and act as if we got BFI */
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
118 mute = reduce_xmaxc(st->speech_frame);
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
119 memcpy(frame, &st->speech_frame, GSMFR_RTP_FRAME_LEN);
248
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
120 random_grid_pos(st, frame);
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
121 if (mute)
6ac547f0b903 libgsmfrp: yet another invalid SID logic change, for 1.0.2
Mychaela Falconia <falcon@freecalypso.org>
parents: 242
diff changeset
122 st->rx_state = NO_DATA;
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
123 return;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
124 case COMFORT_NOISE:
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
125 case LOST_SID:
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
126 st->rx_state = COMFORT_NOISE;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
127 gsmfr_preproc_gen_cn(st, frame);
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
128 return;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
129 case CN_MUTING:
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
130 if (reduce_xmaxc_sid(st)) {
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
131 st->rx_state = NO_DATA;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
132 memcpy(frame, &gsmfr_preproc_silence_frame,
256
a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
parents: 248
diff changeset
133 GSMFR_RTP_FRAME_LEN);
242
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
134 } else
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
135 gsmfr_preproc_gen_cn(st, frame);
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
136 return;
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
137 }
f081a6850fb5 libgsmfrp: new refined implementation
Mychaela Falconia <falcon@freecalypso.org>
parents: 109
diff changeset
138 }