bool PulseHandler::Suspend(enum PulseAction action)
{
// global lock around all access to our global singleton
static QMutex global_lock;
QMutexLocker locker(&global_lock);
// cleanup the PulseAudio server connection if requested
if (kPulseCleanup == action)
{
if (g_pulseHandler)
{
LOG(VB_GENERAL, LOG_INFO, LOC + "Cleaning up PulseHandler");
delete g_pulseHandler;
g_pulseHandler = NULL;
}
return true;
}
// do nothing if PulseAudio is not currently running
if (!IsPulseAudioRunning())
{
LOG(VB_AUDIO, LOG_INFO, LOC + "PulseAudio not running");
return false;
}
// make sure any pre-existing handler is still valid
if (g_pulseHandler && !g_pulseHandler->Valid())
{
LOG(VB_AUDIO, LOG_INFO, LOC + "PulseHandler invalidated. Deleting.");
delete g_pulseHandler;
g_pulseHandler = NULL;
}
// create our handler
if (!g_pulseHandler)
{
PulseHandler* handler = new PulseHandler();
if (handler)
{
LOG(VB_AUDIO, LOG_INFO, LOC + "Created PulseHandler object");
g_pulseHandler = handler;
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"Failed to create PulseHandler object");
return false;
}
}
bool result;
// enable processing of incoming callbacks
g_pulseHandlerActive = true;
result = g_pulseHandler->SuspendInternal(kPulseSuspend == action);
// disable processing of incoming callbacks in case we delete/recreate our
// instance due to a termination or other failure
g_pulseHandlerActive = false;
return result;
}
bool PulseHandler::Suspend(enum PulseAction action)
{
// global lock around all access to our global singleton
static QMutex global_lock;
QMutexLocker locker(&global_lock);
// cleanup the PulseAudio server connection if requested
if (kPulseCleanup == action)
{
if (g_pulseHandler)
{
LOG(VB_GENERAL, LOG_INFO, LOC + "Cleaning up PulseHandler");
delete g_pulseHandler;
g_pulseHandler = NULL;
}
return true;
}
if (getenv("DEBUG_PULSE_AUDIO_ALSA_EMULATION"))
{
LOG(VB_AUDIO, LOG_WARNING, "WARNING: ");
LOG(VB_AUDIO, LOG_WARNING, "WARNING: ***Pulse Audio is running!!!!***");
LOG(VB_AUDIO, LOG_WARNING, "WARNING: ");
LOG(VB_AUDIO, LOG_WARNING, "WARNING: You have told MythTV to ignore it.");
LOG(VB_AUDIO, LOG_WARNING, "WARNING: ");
return false;
}
static int s_iPulseRunning = -1;
static QTime s_time;
static enum PulseAction s_ePulseAction = PulseAction(-1);
// Use the last result of IsPulseAudioRunning if within time
if (!s_time.isNull() && s_time.elapsed() < 30000)
{
if (!s_iPulseRunning)
return false;
// If the last action is repeated then do nothing
if (action == s_ePulseAction)
return true;
}
// NB IsPulseAudioRunning calls myth_system and can take up to 100mS
else if (IsPulseAudioRunning())
{
s_iPulseRunning = 1;
s_time.start();
}
else
{
// do nothing if PulseAudio is not currently running
LOG(VB_AUDIO, LOG_INFO, LOC + "PulseAudio not running");
s_iPulseRunning = 0;
s_time.start();
return false;
}
// make sure any pre-existing handler is still valid
if (g_pulseHandler && !g_pulseHandler->Valid())
{
LOG(VB_AUDIO, LOG_INFO, LOC + "PulseHandler invalidated. Deleting.");
delete g_pulseHandler;
g_pulseHandler = NULL;
}
// create our handler
if (!g_pulseHandler)
{
PulseHandler* handler = new PulseHandler();
if (handler)
{
LOG(VB_AUDIO, LOG_INFO, LOC + "Created PulseHandler object");
g_pulseHandler = handler;
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"Failed to create PulseHandler object");
return false;
}
}
bool result;
// enable processing of incoming callbacks
g_pulseHandlerActive = true;
result = g_pulseHandler->SuspendInternal(kPulseSuspend == action);
// disable processing of incoming callbacks in case we delete/recreate our
// instance due to a termination or other failure
g_pulseHandlerActive = false;
s_ePulseAction = action;
return result;
}