annotate mgw/dtmf_defs.h @ 170:a6eb2de277f6

mgw: massive simplification for continuous RTP stream from BTS
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 20 Nov 2022 01:58:47 -0800
parents 4b35a5a400f1
children
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815e4c59162e mgw DTMF: tone definitions and sample array generation
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1 /*
815e4c59162e mgw DTMF: tone definitions and sample array generation
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2 * This header file holds various internal definitions for DTMF generation,
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3 * including DTMF_MAX_FRAMES limit.
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4 */
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6 #define DTMF_MAX_FRAMES 60 /* 1200 ms */
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7
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8 struct dtmf_desc {
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9 int digit;
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10 float freq_low;
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11 float freq_high;
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12 int16_t *samples;
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13 };