本文整理汇总了C++中IAAFDictionary::GetCodecDefs方法的典型用法代码示例。如果您正苦于以下问题：C++ IAAFDictionary::GetCodecDefs方法的具体用法？C++ IAAFDictionary::GetCodecDefs怎么用？C++ IAAFDictionary::GetCodecDefs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IAAFDictionary的用法示例。
在下文中一共展示了IAAFDictionary::GetCodecDefs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: ReadAAFFile
static HRESULT ReadAAFFile(aafWChar* pFileName)
{
IAAFFile* pFile = NULL;
IAAFHeader* pHeader = NULL;
IAAFDictionary* pDictionary = NULL;
IEnumAAFCodecDefs *pPlug = NULL;
IEnumAAFCodecDefs *pClonePlug = NULL;
IAAFDefObject* pDef = NULL;
IAAFCodecDef* pCodecDef = NULL;
IAAFCodecDef* pArray[2] = { NULL, NULL };
IAAFCodecDef** pArrayDef = pArray;
bool bFileOpen = false;
HRESULT hr = S_OK;
wchar_t testString[256];
aafUInt32 resultCount;
try
{
// Open the AAF file
checkResult(AAFFileOpenExistingRead(pFileName, 0, &pFile));
bFileOpen = true;
// Get the AAF file header.
checkResult(pFile->GetHeader(&pHeader));
checkResult(pHeader->GetDictionary(&pDictionary));
checkResult(pDictionary->GetCodecDefs(&pPlug));
/* Read and check the first element */
checkResult(pPlug->NextOne(&pCodecDef));
checkResult(pCodecDef->QueryInterface (IID_IAAFDefObject,
(void **)&pDef));
checkResult(pDef->GetName (testString, sizeof(testString)));
checkExpression (wcscmp(testString, sName1) == 0, AAFRESULT_TEST_FAILED);
pCodecDef->Release();
pCodecDef = NULL;
pDef->Release();
pDef = NULL;
/* Read and check the second element */
checkResult(pPlug->NextOne(&pCodecDef));
checkResult(pCodecDef->QueryInterface (IID_IAAFDefObject,
(void **)&pDef));
checkResult(pDef->GetName (testString, sizeof(testString)));
checkExpression (wcscmp(testString, sName2) == 0, AAFRESULT_TEST_FAILED);
pCodecDef->Release();
pCodecDef = NULL;
pDef->Release();
pDef = NULL;
/* Reset, and check the first element again*/
checkResult(pPlug->Reset());
checkResult(pPlug->NextOne(&pCodecDef));
checkResult(pCodecDef->QueryInterface (IID_IAAFDefObject,
(void **)&pDef));
checkResult(pDef->GetName (testString, sizeof(testString)));
checkExpression (wcscmp(testString, sName1) == 0, AAFRESULT_TEST_FAILED);
pCodecDef->Release();
pCodecDef = NULL;
pDef->Release();
pDef = NULL;
/* Reset, Skip, and check the second element again*/
checkResult(pPlug->Reset());
checkResult(pPlug->Skip(1));
checkResult(pPlug->NextOne(&pCodecDef));
checkResult(pCodecDef->QueryInterface (IID_IAAFDefObject,
(void **)&pDef));
checkResult(pDef->GetName (testString, sizeof(testString)));
checkExpression (wcscmp(testString, sName2) == 0, AAFRESULT_TEST_FAILED);
pCodecDef->Release();
pCodecDef = NULL;
pDef->Release();
pDef = NULL;
/* Reset, and read both elements */
checkResult(pPlug->Reset());
checkResult(pPlug->Next (2, (IAAFCodecDef **)&pArray, &resultCount));
checkExpression (resultCount == 2, AAFRESULT_TEST_FAILED);
checkResult(pArrayDef[0]->QueryInterface (IID_IAAFDefObject,
(void **)&pDef));
checkResult(pDef->GetName (testString, sizeof(testString)));
checkExpression (wcscmp(testString, sName1) == 0, AAFRESULT_TEST_FAILED);
pDef->Release();
pDef = NULL;
checkResult(pArrayDef[1]->QueryInterface (IID_IAAFDefObject,
(void **)&pDef));
checkResult(pDef->GetName (testString, sizeof(testString)));
checkExpression (wcscmp(testString, sName2) == 0, AAFRESULT_TEST_FAILED);
pDef->Release();
pDef = NULL;
pArrayDef[0]->Release();
pArrayDef[0] = NULL;
pArrayDef[1]->Release();
pArrayDef[1] = NULL;
/* Read one past to make sure that it fails */
checkExpression(pPlug->NextOne(&pCodecDef) != AAFRESULT_SUCCESS, AAFRESULT_TEST_FAILED);
//.........这里部分代码省略.........