bool CDVDClock::Update(double clock, double absolute, double limit, const char* log)
{
CExclusiveLock lock(m_critSection);
double was_absolute = SystemToAbsolute(m_startClock);
double was_clock = m_iDisc + absolute - was_absolute;
lock.Leave();
double error = std::abs(clock - was_clock);
// skip minor updates while speed adjust is active
// -> adjusting buffer levels
if (m_speedAdjust != 0 && error < DVD_MSEC_TO_TIME(100))
{
return false;
}
else if (error > limit)
{
Discontinuity(clock, absolute);
CLog::Log(LOGDEBUG, "CDVDClock::Discontinuity - %s - was:%f, should be:%f, error:%f"
, log
, was_clock
, clock
, clock - was_clock);
return true;
}
else
return false;
}
// Returns the current absolute clock in units of DVD_TIME_BASE (usually microseconds).
double OMXClock::GetAbsoluteClock(bool interpolated /*= true*/)
{
Lock();
CheckSystemClock();
double current = GetTime();
UnLock();
return SystemToAbsolute(current);
}
// Returns the current absolute clock in units of DVD_TIME_BASE (usually microseconds).
double CDVDClock::GetAbsoluteClock(bool interpolated /*= true*/)
{
CSingleLock lock(m_systemsection);
int64_t current;
current = m_videoRefClock->GetTime(interpolated);
return SystemToAbsolute(current);
}
double OMXClock::GetAbsoluteClock(bool interpolated /*= true*/)
{
Lock();
CheckSystemClock();
int64_t current;
current = g_VideoReferenceClock.GetTime(interpolated);
UnLock();
return SystemToAbsolute(current);
}
double OMXClock::GetClock(double& absolute, bool interpolated /*= true*/)
{
int64_t current = GetTime(interpolated);
Lock();
CheckSystemClock();
absolute = SystemToAbsolute(current);
UnLock();
return SystemToPlaying(current);
}
double CDVDClock::GetClock(double& absolute, bool interpolated /*= true*/)
{
int64_t current = g_VideoReferenceClock.GetTime(interpolated);
{
CSingleLock lock(m_systemsection);
CheckSystemClock();
absolute = SystemToAbsolute(current);
}
return GetClock(interpolated);
}
double CDVDClock::GetClock(double& absolute, bool interpolated /*= true*/)
{
int64_t current = m_videoRefClock->GetTime(interpolated);
CSingleLock lock(m_systemsection);
absolute = SystemToAbsolute(current);
m_systemAdjust += m_speedAdjust * (current - m_lastSystemTime);
m_lastSystemTime = current;
return SystemToPlaying(current);
}
// Returns the current absolute clock in units of DVD_TIME_BASE (usually microseconds).
double CDVDClock::GetAbsoluteClock(bool interpolated /*= true*/)
{
CSingleLock lock(m_systemsection);
CheckSystemClock();
int64_t current;
current = g_VideoReferenceClock.GetTime(interpolated);
#if _DEBUG
if (interpolated) //only compare interpolated time, clock might go backwards otherwise
{
static int64_t old;
if(old > current)
CLog::Log(LOGWARNING, "CurrentHostCounter() moving backwords by %"PRId64" ticks with freq of %"PRId64, old - current, m_systemFrequency);
old = current;
}
#endif
return SystemToAbsolute(current);
}
bool CDVDClock::Update(double clock, double absolute, double limit, const char* log)
{
CExclusiveLock lock(m_critSection);
double was_absolute = SystemToAbsolute(m_startClock);
double was_clock = m_iDisc + absolute - was_absolute;
lock.Leave();
if(std::abs(clock - was_clock) > limit)
{
Discontinuity(clock, absolute);
CLog::Log(LOGDEBUG, "CDVDClock::Discontinuity - %s - was:%f, should be:%f, error:%f"
, log
, was_clock
, clock
, clock - was_clock);
return true;
}
else
return false;
}
