本文整理汇总了C++中IAAFHeader::QueryInterface方法的典型用法代码示例。如果您正苦于以下问题：C++ IAAFHeader::QueryInterface方法的具体用法？C++ IAAFHeader::QueryInterface怎么用？C++ IAAFHeader::QueryInterface使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IAAFHeader的用法示例。
在下文中一共展示了IAAFHeader::QueryInterface方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CreateAAFFile
static HRESULT CreateAAFFile(aafWChar * pFileName, bool comp_enable)
{
IAAFFile* pFile = NULL;
IAAFHeader* pHeader = NULL;
IAAFHeader2* pHeader2 = NULL;
IAAFDictionary* pDictionary = NULL;
IAAFMob* pMob = NULL;
IAAFMasterMob* pMasterMob = NULL;
IAAFEssenceAccess* pEssenceAccess = NULL;
aafMobID_t masterMobID;
aafProductIdentification_t ProductInfo;
IAAFClassDef *pCDMasterMob = NULL;
IAAFDataDef *pPictureDef = NULL;
aafUInt32 samplesWritten, bytesWritten;
// Delete any previous test file before continuing...
char cFileName[FILENAME_MAX];
convert(cFileName, sizeof(cFileName), pFileName);
remove(cFileName);
cout << "Creating file " << cFileName << " using WriteSamples with " <<
(comp_enable ? "CompressionEnable" : "CompressionDisable") << endl;
aafProductVersion_t ver = {1, 0, 0, 0, kAAFVersionBeta};
ProductInfo.companyName = const_cast<wchar_t *>(L"none");
ProductInfo.productName = const_cast<wchar_t *>(L"AAF SDK");
ProductInfo.productVersion = &ver;
ProductInfo.productVersionString = const_cast<wchar_t *>(L"1.0.0.0 Beta");
ProductInfo.productID = NIL_UID;
ProductInfo.platform = NULL; // Set by SDK when saving
// select the file kind
const aafUID_t* fileKind = &kAAFFileKind_DontCare;
if( FormatMXF ) fileKind = &kAAFFileKind_AafKlvBinary;
else if( FormatSS512 ) fileKind = &kAAFFileKind_Aaf512Binary;
else fileKind = &kAAFFileKind_Aaf4KBinary;
// Create a new AAF file
check(AAFFileOpenNewModifyEx(pFileName, fileKind, 0, &ProductInfo, &pFile));
check(pFile->GetHeader(&pHeader));
// Set the operational pattern
check(pHeader->QueryInterface(IID_IAAFHeader2, (void **)&pHeader2));
check(pHeader2->SetOperationalPattern(kAAFOpDef_Atom));
// Get the AAF Dictionary from the file
check(pHeader->GetDictionary(&pDictionary));
/* Lookup class definitions for the objects we want to create. */
check(pDictionary->LookupClassDef(AUID_AAFMasterMob, &pCDMasterMob));
/* Lookup any necessary data definitions. */
check(pDictionary->LookupDataDef(kAAFDataDef_Picture, &pPictureDef));
/* Create a Mastermob */
// Get a Master MOB Interface
check(pCDMasterMob->CreateInstance(IID_IAAFMasterMob, (IUnknown **)&pMasterMob));
// Get a Mob interface and set its variables.
check(pMasterMob->QueryInterface(IID_IAAFMob, (void **)&pMob));
check(pMob->GetMobID(&masterMobID));
if (input_video == NULL)
{
check(pMob->SetName(L"DNX_color_bars"));
}
else
{
check(pMob->SetName(pFileName));
}
// Add Mobs to the Header
check(pHeader->AddMob(pMob));
/* Create the Essence Data specifying the codec, container, edit rate and sample rate */
check(pMasterMob->CreateEssence(
1, // Slot ID within MasterMob
pPictureDef, // MediaKind
UseDNX? kAAFCodecDNxHD : kAAFCodecVC3, // codecID
editRate, // edit rate
editRate, // sample rate
comp_enable ? kAAFCompressionEnable : kAAFCompressionDisable,
NULL, // No Locator used
ContainerAAF, // Essence embedded in AAF file
&pEssenceAccess)); //
// Set the codec flavour for desired video format
switch(ComprID)
{
case 1235:
pEssenceAccess->SetEssenceCodecFlavour( kAAFCodecFlavour_VC3_1235 );
break;
case 1238:
pEssenceAccess->SetEssenceCodecFlavour( kAAFCodecFlavour_VC3_1238 );
break;
case 1237:
pEssenceAccess->SetEssenceCodecFlavour( kAAFCodecFlavour_VC3_1237 );
break;
case 1241:
//.........这里部分代码省略.........