void
ManglerAudio::input(void) {/*{{{*/
uint8_t *buf = NULL;
struct timeval start, vastart, now, diff;
int ctr;
bool drop, xmit = false;
float seconds = 0;
register float pcmpeak = 0;
float midpeak = 0;
float vasilencedur, vasilenceelapsed;
uint8_t vapercent;
for (;;) {
if (stop_input) {
break;
}
gettimeofday(&start, NULL);
ctr = 0;
seconds = 0;
pcmpeak = 0;
midpeak = 0;
// need to send ~0.115 seconds of audio for each packet
for (;;) {
/*
if (seconds >= 0.115) {
//fprintf(stderr, "0.115 seconds of real time has elapsed\n");
break;
}
*/
if (pcm_framesize * ctr > rate * sizeof(int16_t) * 0.115) {
//fprintf(stderr, "we have 0.115 seconds of audio in %d iterations\n", ctr);
break;
}
if ((pcm_framesize*(ctr+1)) > 16384) {
fprintf(stderr, "audio frames are greater than buffer size. dropping audio frames after %f seconds\n", seconds);
drop = true;
break;
}
drop = false;
//fprintf(stderr, "reallocating %d bytes of memory\n", pcm_framesize*(ctr+1));
buf = (uint8_t *)realloc(buf, pcm_framesize*(ctr+1));
//fprintf(stderr, "reading %d bytes of memory to %lu\n", pcm_framesize, buf+(pcm_framesize*ctr));
if (Mangler::config["AudioSubsystem"].toLower() != backend->getAudioSubsystem()) {
if (!switchBackend(Mangler::config["AudioSubsystem"].toLower()) || !open()) {
stop_input = true;
break;
}
}
if (!backend->read(buf+(pcm_framesize*ctr))) {
close();
stop_input = true;
break;
}
gettimeofday(&now, NULL);
timeval_subtract(&diff, &now, &start);
seconds = (float)diff.tv_sec + ((float)diff.tv_usec / 1000000.0);
//fprintf(stderr, "iteration after %f seconds with %d bytes\n", seconds, pcm_framesize*ctr);
for (int16_t *pcmptr = (int16_t *)(buf+(pcm_framesize*ctr)); pcmptr < (int16_t *)(buf+(pcm_framesize*(ctr+1))); pcmptr++) {
pcmpeak = abs(*pcmptr) > pcmpeak ? abs(*pcmptr) : pcmpeak;
}
if (seconds >= 0.115 / 2 && !midpeak && pcmpeak) {
midpeak = log10(((pcmpeak / 0x7fff) * 9) + 1);
midpeak = (midpeak > 1) ? 1 : midpeak;
gdk_threads_enter();
mangler->inputvumeter->set_fraction(midpeak);
gdk_threads_leave();
}
ctr++;
}
if (!stop_input) {
pcmpeak = log10(((pcmpeak / 0x7fff) * 9) + 1);
pcmpeak = (pcmpeak > 1) ? 1 : pcmpeak;
gdk_threads_enter();
if (Mangler::config["VoiceActivationEnabled"].toBool() &&
!mangler->isTransmittingKey &&
!mangler->isTransmittingMouse &&
!mangler->isTransmittingButton) {
vasilencedur = Mangler::config["VoiceActivationSilenceDuration"].toInt();
vapercent = Mangler::config["VoiceActivationSensitivity"].toUInt();
if (pcmpeak * 100 >= vapercent) {
gettimeofday(&vastart, NULL);
if (!xmit) {
xmit = true;
mangler->audioControl->playNotification("talkstart");
mangler->statusIcon->set(mangler->icons["tray_icon_green"]);
v3_start_audio(V3_AUDIO_SENDTYPE_U2CCUR);
}
mangler->channelTree->setUserIcon(v3_get_user_id(), "green", true);
} else if (xmit) {
gettimeofday(&now, NULL);
timeval_subtract(&diff, &now, &vastart);
vasilenceelapsed = (float)diff.tv_sec + ((float)diff.tv_usec / 1000000.0);
if (vasilenceelapsed * 1000 >= vasilencedur) {
xmit = false;
v3_stop_audio();
mangler->channelTree->setUserIcon(v3_get_user_id(), "orange", true);
mangler->statusIcon->set(mangler->icons["tray_icon_yellow"]);
mangler->audioControl->playNotification("talkend");
} else {
mangler->channelTree->setUserIcon(v3_get_user_id(), "yellow", true);
}
}
} else {
if (!xmit) {
xmit = true;
mangler->audioControl->playNotification("talkstart");
v3_start_audio(V3_AUDIO_SENDTYPE_U2CCUR);
}
mangler->channelTree->setUserIcon(v3_get_user_id(), "green", true);
mangler->statusIcon->set(mangler->icons["tray_icon_green"]);
}
mangler->inputvumeter->set_fraction(pcmpeak);
gdk_threads_leave();
if (!drop && xmit) {
//fprintf(stderr, "sending %d bytes of audio\n", pcm_framesize * ctr);
// TODO: hard coding user to channel for now, need to implement U2U
uint32_t ret;
if ((ret = v3_send_audio(V3_AUDIO_SENDTYPE_U2CCUR, rate, buf, pcm_framesize * ctr, false)) != rate) {
if (!(rate = ret) || !open()) {
stop_input = true;
}
}
}
}
free(buf);
buf = NULL;
}
inputStreamOpen = false;
close();
gdk_threads_enter();
if (xmit) {
xmit = false;
v3_stop_audio();
mangler->audioControl->playNotification("talkend");
}
if (v3_is_loggedin()) {
mangler->channelTree->setUserIcon(v3_get_user_id(), "red");
mangler->statusIcon->set(mangler->icons["tray_icon_red"]);
}
mangler->inputvumeter->set_fraction(0);
if (mangler->inputAudio == this) {
mangler->inputAudio = NULL;
}
gdk_threads_leave();
delete this;
return;
}/*}}}*/
JNIEXPORT void JNICALL Java_com_jtxdriggers_android_ventriloid_VentriloInterface_stopaudio() {
v3_stop_audio();
}
