/*
 * This header file holds various internal definitions for DTMF generation,
 * including key tunable settings of min and max DTMF duration.
 */

#define	DTMF_MIN_FRAMES		5	/* 100 ms */
#define	DTMF_MAX_FRAMES		60	/* 1200 ms */

struct dtmf_desc {
	int	digit;
	float	freq_low;
	float	freq_high;
	int16_t	*samples;
};