FreeCalypso > hg > themwi-system-sw
annotate mgw/dtmf_defs.h @ 148:b51247739897
sip-manual-out: attempt to play along with re-INVITEs
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 08 Oct 2022 23:52:08 -0800 |
parents | 815e4c59162e |
children | 4b35a5a400f1 |
rev | line source |
---|---|
126
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * This header file holds various internal definitions for DTMF generation, |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * including key tunable settings of min and max DTMF duration. |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 */ |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 #define DTMF_MIN_FRAMES 10 /* 200 ms */ |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 #define DTMF_MAX_FRAMES 60 /* 1200 ms */ |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 struct dtmf_desc { |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 int digit; |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 float freq_low; |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 float freq_high; |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 int16_t *samples; |
815e4c59162e
mgw DTMF: tone definitions and sample array generation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 }; |