Group PJMEDIA_ECHO_PORT

group PJMEDIA_ECHO_PORT

Echo Cancellation.

Wrapper to Accoustic Echo Cancellation API into media port interface.

Functions

PJ_BEGIN_DECL pj_status_t pjmedia_echo_port_create (pj_pool_t *pool, pjmedia_port *dn_port, unsigned tail_ms, unsigned latency_ms, unsigned options, pjmedia_port **p_port)

Create echo canceller port.

Parameters

• pool – Pool to allocate memory.

• dn_port – Downstream port.

• tail_ms – Tail length in miliseconds.

• latency_ms – Total lacency introduced by playback and recording device. Set to zero if the latency is not known.

• options – Options, as in pjmedia_echo_create().

• p_port – Pointer to receive the port instance.

Returns

PJ_SUCCESS on success.