FskErr KplScreenSetContinuousDrawing(void *state, void *obj, UInt32 propertyID, FskMediaPropertyValue property)
{
Boolean on = property->value.b;
#if SUPPORT_FLIP_THREAD
if (on) {
if (!gKplScreen->drawingPumpEnabled) {
gKplScreen->drawingPumpEnabled = true;
FskTimeClear(&gKplScreen->lastUpdateTime);
FskTimeGetNow(&gKplScreen->lastFlipTime); // Just trying to get close, since we just turned on the pump and can't rely on the last flip time
FskTimeAddMS(&gKplScreen->lastFlipTime, FskTimeInMS(&gKplScreen->updateIntervalTime) >> 1);
FskInstrumentedTypePrintfNormal(&gKplScreenTypeInstrumentation, "START drawing pump **\n");
// Kick off the drawing pump
FskThreadPostCallback(FskThreadGetMain(), drawingPumpCallback, (void*)gKplScreen->callbackPostedCount, NULL, NULL, NULL);
}
}
Boolean KplTimeCallbackGetNextTime(const KplTime now, KplTime whenNext, void *threadIn)
{
KplThread thread = threadIn ? threadIn : KplThreadGetCurrent();
if (thread->timerCallbacks) {
KplTimeCallback cb = (KplTimeCallback)thread->timerCallbacks;
if (FskTimeCompare((FskTime)now, (FskTime)&cb->trigger) < 1) {
FskTimeClear((FskTime)whenNext);
return false;
}
*whenNext = cb->trigger;
}
else {
*whenNext = *now;
FskTimeAddSecs((FskTime)whenNext, 3600 * 12); // a long time from now
}
return true;
}
FskErr KplScreenSetUpdateInterval(void *state, void *obj, UInt32 propertyID, FskMediaPropertyValue property)
{
UInt32 i, updateRate;
// We set the actual interval based on the vsync interval
updateRate = (UInt32)floor(((double)property->value.integer / gKplScreen->vSyncInterval + 0.5));
if (!updateRate) updateRate = 1;
gKplScreen->updateInterval = updateRate * gKplScreen->vSyncInterval;
MLOG("Setting update interval to %ld ms", gKplScreen->updateInterval);
FskTimeClear(&gKplScreen->updateIntervalTime);
for (i = 0; i < updateRate; ++i)
FskTimeAdd(&gKplScreen->vSyncIntervalTime, &gKplScreen->updateIntervalTime);
MLOG("Setting update interval time to %ld.%06lds", gKplScreen->updateIntervalTime.seconds, gKplScreen->updateIntervalTime.useconds);
return kFskErrNone;
}
