STDMETHODIMP
CPosPassThru::get_Duration(REFTIME * plength)
{
IMediaPosition* pMP;
HRESULT hr = GetPeer(&pMP);
if (FAILED(hr)) {
return hr;
}
hr = pMP->get_Duration(plength);
pMP->Release();
return hr;
}
void PlaybackControls::getSeek()
{
if (needsReset == true)
{
mpParentWindow->resize(351, 161);
QSize size = mpParentWindow->size();
int height = size.height();
int width = size.width();
if (width < 360)
{
needsReset = false;
}
}
reset = true;
REFTIME time;
REFTIME duration;
QString timeString;
QString durationString;
IMediaPosition *pPosition;
if (mpGraph)
{
HRESULT hr = mpGraph->QueryInterface(IID_IMediaPosition, (void **)&pPosition);
if (SUCCEEDED(hr))
{
pPosition->get_CurrentPosition(&time);
pPosition->get_Duration(&duration);
timeString.setNum(floor(time));
durationString.setNum(floor(duration));
QString output = timeString;
output += " : ";
output += durationString;
mpParentWindow->seekLabel->setText(output);
mpParentWindow->seekBar->setRange(0, duration);
if (!mpParentWindow->seekBar->isSliderDown())
{
mpParentWindow->seekBar->setValue(time);
}
}
pPosition->Release();
}
}
