frodovdr/vdr-plugin-satip
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Tweaked tuner state machine.

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This commit is contained in:
Rolf Ahrenberg
2014-11-19 21:01:45 +02:00
parent 8ec972d4ee
commit ec596a02b8
2 changed files with 21 additions and 11 deletions
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31
tuner.c
View File

@@ -88,7 +88,7 @@ void cSatipTuner::Action(void)
// Do the thread loop
while (Running()) {
mutexM.Lock();
if (currentStateM != nextStateM)
if (StateRequested())
currentStateM = nextStateM;
mutexM.Unlock();
switch (currentStateM) {
@@ -98,19 +98,19 @@ void cSatipTuner::Action(void)
case tsRelease:
//debug("cSatipTuner::%s(): tsRelease [device %d]", __FUNCTION__, deviceIdM);
Disconnect();
nextStateM = tsIdle;
RequestState(tsIdle);
break;
case tsSet:
//debug("cSatipTuner::%s(): tsSet [device %d]", __FUNCTION__, deviceIdM);
reConnectM.Set(eConnectTimeoutMs);
Disconnect();
if (Connect()) {
nextStateM = tsTuned;
RequestState(tsTuned);
UpdatePids(true);
}
else {
error("Tuning failed - re-tuning [device %d]", deviceIdM);
nextStateM = tsIdle;
RequestState(tsIdle);
}
break;
case tsTuned:
@@ -125,7 +125,7 @@ void cSatipTuner::Action(void)
signalQualityM = eDefaultSignalQuality;
}
if (hasLockM)
nextStateM = tsLocked;
RequestState(tsLocked);
}
break;
case tsLocked:
@@ -150,7 +150,8 @@ void cSatipTuner::Action(void)
error("Unknown tuner status %d [device %d]", currentStateM, deviceIdM);
break;
}
sleepM.Wait(eSleepTimeoutMs); // to avoid busy loop and reduce cpu load
if (!StateRequested())
sleepM.Wait(eSleepTimeoutMs); // to avoid busy loop and reduce cpu load
}
debug("cSatipTuner::%s(): exiting [device %d]", __FUNCTION__, deviceIdM);
}
@@ -366,7 +367,7 @@ bool cSatipTuner::SetPid(int pidP, int typeP, bool onP)
bool cSatipTuner::UpdatePids(bool forceP)
{
//debug("cSatipTuner::%s(%d) tunerStatus=%s [device %d]", __FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
//debug("cSatipTuner::%s(%d) tunerState=%s [device %d]", __FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
if (((forceP && pidsM.Size()) || (pidUpdateCacheM.TimedOut() && (addPidsM.Size() || delPidsM.Size()))) &&
!isempty(*streamAddrM) && (streamIdM > 0)) {
cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
@@ -403,7 +404,7 @@ bool cSatipTuner::UpdatePids(bool forceP)
bool cSatipTuner::KeepAlive(bool forceP)
{
//debug("cSatipTuner::%s(%d) tunerStatus=%s [device %d]", __FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
//debug("cSatipTuner::%s(%d) tunerState=%s [device %d]", __FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
cMutexLock MutexLock(&mutexM);
if (keepAliveM.TimedOut()) {
keepAliveM.Set(timeoutM);
@@ -420,7 +421,7 @@ bool cSatipTuner::KeepAlive(bool forceP)
bool cSatipTuner::ReadReceptionStatus(bool forceP)
{
//debug("cSatipTuner::%s(%d) tunerStatus=%s [device %d]", __FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
//debug("cSatipTuner::%s(%d) tunerState=%s [device %d]", __FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
cMutexLock MutexLock(&mutexM);
if (statusUpdateM.TimedOut()) {
statusUpdateM.Set(eStatusUpdateTimeoutMs);
@@ -435,14 +436,22 @@ bool cSatipTuner::ReadReceptionStatus(bool forceP)
return false;
}
bool cSatipTuner::StateRequested(void)
{
cMutexLock MutexLock(&mutexM);
//debug("cSatipTuner::%s(%s <> %s) [device %d]", __FUNCTION__, TunerStateString(currentStateM), TunerStateString(nextStateM), deviceIdM);
return (currentStateM != nextStateM);
}
bool cSatipTuner::RequestState(eTunerState stateP)
{
cMutexLock MutexLock(&mutexM);
debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, TunerStateString(stateP), deviceIdM);
debug("cSatipTuner::%s(%s) [device %d]", __FUNCTION__, TunerStateString(stateP), deviceIdM);
nextStateM = stateP;
// return always true
// validate legal state changes
return true;
}

1
tuner.h
View File

@@ -92,6 +92,7 @@ private:
bool KeepAlive(bool forceP = false);
bool ReadReceptionStatus(bool forceP = false);
bool UpdatePids(bool forceP = false);
bool StateRequested(void);
bool RequestState(eTunerState stateP);
const char *TunerStateString(eTunerState stateP);