/*
* The callback called by sound recorder when it has finished capturing a
* frame.
*/
static pj_status_t rec_cb(void *user_data, pjmedia_frame *frame)
{
pjmedia_snd_port *snd_port = (pjmedia_snd_port*) user_data;
pjmedia_port *port;
pjmedia_clock_src_update(&snd_port->cap_clocksrc, &frame->timestamp);
/* Invoke preview callback */
if (snd_port->on_rec_frame)
(*snd_port->on_rec_frame)(snd_port->user_data, frame);
port = snd_port->port;
if (port == NULL)
return PJ_SUCCESS;
/* Cancel echo */
if (snd_port->ec_state && !snd_port->ec_suspended) {
pjmedia_echo_capture(snd_port->ec_state, (pj_int16_t*) frame->buf, 0);
}
pjmedia_port_put_frame(port, frame);
return PJ_SUCCESS;
}
/*
* The callback called by sound recorder when it has finished capturing a
* frame.
*/
static pj_status_t rec_cb(void *user_data, pjmedia_frame *frame)
{
pjmedia_snd_port *snd_port = (pjmedia_snd_port*) user_data;
pjmedia_port *port;
pjmedia_clock_src_update(&snd_port->cap_clocksrc, &frame->timestamp);
port = snd_port->port;
if (port == NULL)
return PJ_SUCCESS;
/* Cancel echo */
if (snd_port->ec_state && !snd_port->ec_suspended) {
pjmedia_echo_capture(snd_port->ec_state, (pj_int16_t*) frame->buf, 0);
}
#ifdef MY_SAVE_FILE_BEFORE_SPEEX
fwrite(frame->buf,1,frame->size,fd_bfspeex);
#endif
if (pjmedia_audio_use_speex_ns == PJ_TRUE){
speex_preprocess_run(snd_port->speex_st, frame->buf);
//PJ_LOG(5,(THIS_FILE, "frame->size:%d",frame->size));
}
#ifdef MY_SAVE_FILE_SEND
fwrite(frame->buf,1,frame->size,fd_save);
#endif
pjmedia_port_put_frame(port, frame);
return PJ_SUCCESS;
}
/*
* The callback called by sound player when it needs more samples to be
* played.
*/
static pj_status_t play_cb(void *user_data, pjmedia_frame *frame)
{
pjmedia_snd_port *snd_port = (pjmedia_snd_port*) user_data;
pjmedia_port *port;
const unsigned required_size = (unsigned)frame->size;
pj_status_t status;
pjmedia_clock_src_update(&snd_port->play_clocksrc, &frame->timestamp);
port = snd_port->port;
if (port == NULL)
goto no_frame;
status = pjmedia_port_get_frame(port, frame);
if (status != PJ_SUCCESS)
goto no_frame;
if (frame->type != PJMEDIA_FRAME_TYPE_AUDIO)
goto no_frame;
/* Must supply the required samples */
pj_assert(frame->size == required_size);
if (snd_port->ec_state) {
if (snd_port->ec_suspended) {
snd_port->ec_suspended = PJ_FALSE;
//pjmedia_echo_state_reset(snd_port->ec_state);
PJ_LOG(4,(THIS_FILE, "EC activated"));
}
snd_port->ec_suspend_count = 0;
pjmedia_echo_playback(snd_port->ec_state, (pj_int16_t*)frame->buf);
}
return PJ_SUCCESS;
no_frame:
frame->type = PJMEDIA_FRAME_TYPE_AUDIO;
frame->size = required_size;
pj_bzero(frame->buf, frame->size);
if (snd_port->ec_state && !snd_port->ec_suspended) {
++snd_port->ec_suspend_count;
if (snd_port->ec_suspend_count > snd_port->ec_suspend_limit) {
snd_port->ec_suspended = PJ_TRUE;
PJ_LOG(4,(THIS_FILE, "EC suspended because of inactivity"));
}
if (snd_port->ec_state) {
/* To maintain correct delay in EC */
pjmedia_echo_playback(snd_port->ec_state, (pj_int16_t*)frame->buf);
}
}
return PJ_SUCCESS;
}