echo.h File Reference

Echo Cancellation API. More...

Data Structures
struct	pjmedia_echo_stat

Macros
#define	PJMEDIA_ECHO_STAT_NOT_SPECIFIED   999999

Typedefs
typedef struct pjmedia_echo_state	pjmedia_echo_state

Enumerations
enum	pjmedia_echo_flag {   PJMEDIA_ECHO_DEFAULT = 0 ,   PJMEDIA_ECHO_SPEEX = 1 ,   PJMEDIA_ECHO_SIMPLE = 2 ,   PJMEDIA_ECHO_WEBRTC = 3 ,   PJMEDIA_ECHO_WEBRTC_AEC3 = 4 ,   PJMEDIA_ECHO_ALGO_MASK = 15 ,   PJMEDIA_ECHO_NO_LOCK = 16 ,   PJMEDIA_ECHO_USE_SIMPLE_FIFO = 32 ,   PJMEDIA_ECHO_USE_SW_ECHO = 64 ,   PJMEDIA_ECHO_USE_NOISE_SUPPRESSOR = 128 ,   PJMEDIA_ECHO_USE_GAIN_CONTROLLER = 256 ,   PJMEDIA_ECHO_AGGRESSIVENESS_DEFAULT = 0 ,   PJMEDIA_ECHO_AGGRESSIVENESS_CONSERVATIVE = 0x1000 ,   PJMEDIA_ECHO_AGGRESSIVENESS_MODERATE = 0x2000 ,   PJMEDIA_ECHO_AGGRESSIVENESS_AGGRESSIVE = 0x3000 ,   PJMEDIA_ECHO_AGGRESSIVENESS_MASK = 0xF000 }

Functions
void	pjmedia_echo_stat_default (pjmedia_echo_stat *stat)
pj_status_t	pjmedia_echo_create (pj_pool_t *pool, unsigned clock_rate, unsigned samples_per_frame, unsigned tail_ms, unsigned latency_ms, unsigned options, pjmedia_echo_state **p_echo)
pj_status_t	pjmedia_echo_create2 (pj_pool_t *pool, unsigned clock_rate, unsigned channel_count, unsigned samples_per_frame, unsigned tail_ms, unsigned latency_ms, unsigned options, pjmedia_echo_state **p_echo)
pj_status_t	pjmedia_echo_destroy (pjmedia_echo_state *echo)
pj_status_t	pjmedia_echo_reset (pjmedia_echo_state *echo)
pj_status_t	pjmedia_echo_get_stat (pjmedia_echo_state *echo, pjmedia_echo_stat *p_stat)
pj_status_t	pjmedia_echo_playback (pjmedia_echo_state *echo, pj_int16_t *play_frm)
pj_status_t	pjmedia_echo_capture (pjmedia_echo_state *echo, pj_int16_t *rec_frm, unsigned options)
pj_status_t	pjmedia_echo_cancel (pjmedia_echo_state *echo, pj_int16_t *rec_frm, const pj_int16_t *play_frm, unsigned options, void *reserved)