float GetObjectParamFloat(int iObject, const char* pszParam, float fDefault)
{
char* params = GetObjectParams(iObject);
if (!params)
return fDefault;
float fRet = GetParamFloat(params, pszParam, fDefault);
g_pMalloc->Free(params);
return fRet;
}
HRESULT CParamsManager::GetParamInt(DWORD dwParamIndex,REFERENCE_TIME rt,long *pval)
{
HRESULT hr = E_POINTER;
if (pval)
{
float fVal;
hr = GetParamFloat(dwParamIndex,rt,&fVal);
if (SUCCEEDED(hr))
{
*pval = (long) (fVal + 1/2); // Round.
}
}
return hr;
}
void
CParamsManager ::UpdateActiveParams(REFERENCE_TIME rtTime, UpdateCallback &rThis)
{
if (!m_dwActiveBits)
return; // nothing to recalc
DWORD dwBit = 1;
for (DWORD dwIndex = 0; dwIndex < m_cParams; dwIndex++, dwBit = dwBit << 1)
{
if (m_dwActiveBits & dwBit)
{
float fVal = 0;
HRESULT hr = GetParamFloat(dwIndex, rtTime, &fVal);
rThis.SetParamUpdate(dwIndex, fVal);
if (hr == S_FALSE)
m_dwActiveBits &= ~dwBit; // we're beyond the last curve, don't need to recalc next time
//TraceI(6, "DMO value: time %I64d, param #%d, current value %hf\n", rtTime, dwIndex, fVal);
}
}
}
void CParamsManager ::UpdateActiveParams(REFERENCE_TIME rtTime, UpdateCallback &rThis)
{
if (!m_dwActiveBits)
return; // nothing to recalc
DWORD dwBit = 1;
for (DWORD dwIndex = 0; dwIndex < m_cParams; dwIndex++, dwBit = dwBit << 1)
{
if (m_dwActiveBits & dwBit)
{
float fVal = 0;
HRESULT hr = GetParamFloat(dwIndex, rtTime, &fVal);
rThis.SetParamUpdate(dwIndex, fVal);
if (hr == S_FALSE)
{
// we're beyond the last curve, so we don't need to recalc next time
m_dwActiveBits &= ~dwBit;
}
}
}
}
