STDMETHODIMP CAVIOutputPin::GetPositions(LONGLONG * pCurrent, LONGLONG * pStop)
{
REFERENCE_TIME tStart, tStop;
double dRate;
m_pSplitter->GetSeekingParams(&tStart, &tStop, &dRate);
//convert from reftime to current format
ConvertTimeFormat(pCurrent, NULL, tStart, &TIME_FORMAT_MEDIA_TIME);
ConvertTimeFormat(pStop, NULL, tStop, &TIME_FORMAT_MEDIA_TIME);
//*pCurrent = tStart;
//*pStop = tStop;
return S_OK;
}
STDMETHODIMP CAVIOutputPin::SetPositions( LONGLONG * pCurrent, DWORD dwCurrentFlags, LONGLONG * pStop, DWORD dwStopFlags)
{
if (!IsConnected()) // only one connected pin can do this
return S_OK;
if (!(m_pSplitter->SelectSeekingPin(this))) // will be deselected on Inactive
return S_OK;
LONGLONG refTimeCurrent = 0;
LONGLONG refTimeStop = 0;
ConvertTimeFormat(&refTimeCurrent, &TIME_FORMAT_MEDIA_TIME, *pCurrent,NULL);
*pCurrent = refTimeCurrent;
ConvertTimeFormat(&refTimeStop, &TIME_FORMAT_MEDIA_TIME, *pStop,NULL);
{
char buf[512];
sprintf(buf, "CAVIOutputPin::SetPositions %I64d\n", refTimeCurrent);
}
// check inputs
REFERENCE_TIME duration = m_pSplitter->GetDuration();
if (refTimeCurrent > duration)
{
refTimeCurrent = duration;
ConvertTimeFormat(pCurrent, NULL,refTimeCurrent ,&TIME_FORMAT_MEDIA_TIME);
}
if (refTimeStop > duration)
{
refTimeStop = duration;
ConvertTimeFormat(pStop, NULL,refTimeStop ,&TIME_FORMAT_MEDIA_TIME);
}
// fetch current properties
REFERENCE_TIME tStart, tStop;
double dRate;
m_pSplitter->GetSeekingParams(&tStart, &tStop, &dRate);
dwCurrentFlags &= AM_SEEKING_PositioningBitsMask;
if (dwCurrentFlags)
{
applySeekPosition(tStart, refTimeCurrent, tStop, refTimeStop, dwCurrentFlags);
}
// splitter will call SetPositionsValues for all pins
HRESULT hr = m_pSplitter->Seek(tStart, tStop, dRate);
return hr;
}
STDMETHODIMP CAVIOutputPin::GetDuration(LONGLONG *pDuration)
{
LONGLONG refTimeDuration = m_pSplitter->GetDuration();
//*pDuration = refTimeDuration;
//convert from reftime to current format
ConvertTimeFormat(pDuration, NULL, refTimeDuration,&TIME_FORMAT_MEDIA_TIME);
return S_OK;
}
HRESULT
CRendererPosPassThru::GetMediaTime(LONGLONG *pStartTime,LONGLONG *pEndTime)
{
ASSERT(pStartTime);
CAutoLock cAutoLock(&m_PositionLock);
if (m_bReset == TRUE) {
return E_FAIL;
}
// We don't have to return the end time
HRESULT hr = ConvertTimeFormat( pStartTime, 0, m_StartMedia, &TIME_FORMAT_MEDIA_TIME );
if (pEndTime && SUCCEEDED(hr)) {
hr = ConvertTimeFormat( pEndTime, 0, m_EndMedia, &TIME_FORMAT_MEDIA_TIME );
}
return hr;
}
HRESULT CFSTSplitterFilter::GetDuration(
LPCWSTR pPinName,
const GUID *pCurrentFormat,
LONGLONG *pDuration
)
{
// Protect the filter data
CAutoLock datalock(&m_csData);
// Convert the duration in frames to the current time format
return ConvertTimeFormat(
wszFSTVideoOutputName,
pDuration,
pCurrentFormat,
(LONGLONG)m_nVideoFrames,
&TIME_FORMAT_FRAME
);
}
STDMETHODIMP CStreamSwitcherPassThru::ConvertTimeFormat(LONGLONG* pTarget, const GUID* pTargetFormat, LONGLONG Source, const GUID* pSourceFormat)
{
CallPeerSeeking(ConvertTimeFormat(pTarget, pTargetFormat, Source, pSourceFormat));
}
