HRESULT CASFManager::SetFilePropertiesObject(FILE_PROPERTIES_OBJECT* fileinfo)
{
if (! m_pContentInfo)
{
return MF_E_NOT_INITIALIZED;
}
HRESULT hr = S_OK;
IMFPresentationDescriptor *pPD = NULL;
UINT32 cbBlobSize = 0;
CHECK_HR( hr = m_pContentInfo->GeneratePresentationDescriptor(&pPD));
//get File ID
hr = pPD->GetGUID(MF_PD_ASF_FILEPROPERTIES_FILE_ID, &fileinfo->guidFileID);
// get Creation Time
hr = pPD->GetBlob(MF_PD_ASF_FILEPROPERTIES_CREATION_TIME, (BYTE *)&fileinfo->ftCreationTime, sizeof(FILETIME), &cbBlobSize);
//get Data Packets Count
hr = pPD->GetUINT32(MF_PD_ASF_FILEPROPERTIES_PACKETS, &fileinfo->cbPackets);
//get Play Duration
hr = pPD->GetUINT64(MF_PD_ASF_FILEPROPERTIES_PLAY_DURATION, &fileinfo->cbPlayDuration);
//get presentation duration
hr = pPD->GetUINT64(MF_PD_DURATION, &fileinfo->cbPresentationDuration);
//get Send Duration
hr = pPD->GetUINT64(MF_PD_ASF_FILEPROPERTIES_SEND_DURATION, &fileinfo->cbSendDuration);
//get preroll
UINT64 msecspreroll = 0, hnspreroll =0;
hr = pPD->GetUINT64(MF_PD_ASF_FILEPROPERTIES_PREROLL, &msecspreroll);
hnspreroll = msecspreroll*10000;
fileinfo->cbPreroll = hnspreroll;
//get Flags
hr = pPD->GetUINT32(MF_PD_ASF_FILEPROPERTIES_FLAGS, &fileinfo->cbFlags);
//get Maximum Data Packet Size
hr = pPD->GetUINT32(MF_PD_ASF_FILEPROPERTIES_MAX_PACKET_SIZE, &fileinfo->cbMaxPacketSize);
//get Minimum Data Packet Size
hr = pPD->GetUINT32(MF_PD_ASF_FILEPROPERTIES_MIN_PACKET_SIZE, &fileinfo->cbMinPacketSize);
// get Maximum Bit rate
hr = pPD->GetUINT32(MF_PD_ASF_FILEPROPERTIES_MAX_BITRATE, &fileinfo->cbMaxBitRate);
this->m_fileinfo = fileinfo;
TRACE((L"Read File Properties Object from the ASF Header Object.\n"));
done:
LOG_MSG_IF_FAILED(L"CASFManager::SetFilePropertiesObject failed.\n", hr);
SAFE_RELEASE(pPD);
return hr;
}
