int
startRouting (int column, int row, int screen) {
#ifdef SIGUSR1
int started = 0;
stopRouting();
switch (routingProcess = fork()) {
case 0: { /* child: cursor routing subprocess */
int result = ROUTING_ERROR;
if (!ROUTING_INTERVAL) {
int niceness = nice(ROUTING_NICENESS);
if (niceness == -1) {
logSystemError("nice");
}
}
if (constructRoutingScreen()) {
result = doRouting(column, row, screen); /* terminate child process */
destructRoutingScreen(); /* close second thread of screen reading */
}
_exit(result); /* terminate child process */
}
case -1: /* error: fork() failed */
logSystemError("fork");
routingProcess = NOT_ROUTING;
break;
default: /* parent: continue while cursor is being routed */
{
static int first = 1;
if (first) {
first = 0;
onProgramExit(exitRouting, "routing");
}
}
started = 1;
break;
}
return started;
#else /* SIGUSR1 */
routingStatus = doRouting(column, row, screen);
return 1;
#endif /* SIGUSR1 */
}
status_t AudioHardwareBase::setMode(int mode)
{
#if LOG_ROUTING_CALLS
LOGD("setMode(%s)", displayMode(mode));
#endif
if ((mode < 0) || (mode >= AudioSystem::NUM_MODES))
return BAD_VALUE;
if (mMode == mode)
return NO_ERROR;
#if LOG_ROUTING_CALLS
LOGD("doRouting: old mode=%s, new mode=%s route=[%s]",
displayMode(mMode), displayMode(mode), displayRoutes(mRoutes[mode]));
#endif
mMode = mode;
return doRouting();
}
status_t AudioHardware::setParameters(const String8& keyValuePairs)
{
AudioParameter param = AudioParameter(keyValuePairs);
String8 value;
String8 key;
const char BT_NREC_KEY[] = "bt_headset_nrec";
const char BT_NAME_KEY[] = "bt_headset_name";
const char BT_NREC_VALUE_ON[] = "on";
LOGV("setParameters() %s", keyValuePairs.string());
if (keyValuePairs.length() == 0) return BAD_VALUE;
key = String8(BT_NREC_KEY);
if (param.get(key, value) == NO_ERROR) {
if (value == BT_NREC_VALUE_ON) {
mBluetoothNrec = true;
} else {
mBluetoothNrec = false;
LOGI("Turning noise reduction and echo cancellation off for BT "
"headset");
}
}
key = String8(BT_NAME_KEY);
if (param.get(key, value) == NO_ERROR) {
mBluetoothId = 0;
for (int i = 0; i < mNumSndEndpoints; i++) {
if (!strcasecmp(value.string(), mSndEndpoints[i].name)) {
mBluetoothId = mSndEndpoints[i].id;
LOGI("Using custom acoustic parameters for %s", value.string());
break;
}
}
if (mBluetoothId == 0) {
LOGI("Using default acoustic parameters "
"(%s not in acoustic database)", value.string());
doRouting();
}
}
return NO_ERROR;
}
// generics for audio routing - the real work is done in doRouting
status_t AudioHardwareBase::setRouting(int mode, uint32_t routes)
{
#if LOG_ROUTING_CALLS
LOGD("setRouting: mode=%s, routes=[%s]", displayMode(mode), displayRoutes(routes));
#endif
if (mode == AudioSystem::MODE_CURRENT)
mode = mMode;
if ((mode < 0) || (mode >= AudioSystem::NUM_MODES))
return BAD_VALUE;
uint32_t old = mRoutes[mode];
mRoutes[mode] = routes;
if ((mode != mMode) || (old == routes))
return NO_ERROR;
#if LOG_ROUTING_CALLS
const char* oldRouteStr = strdup(displayRoutes(old));
LOGD("doRouting: mode=%s, old route=[%s], new route=[%s]",
displayMode(mode), oldRouteStr, displayRoutes(routes));
delete oldRouteStr;
#endif
return doRouting();
}
