For complete code, refer to the CNVWM demo.
LPTSTR OLE2A(LPCOLESTR lpw)
{
static CHAR convert[512];
if(!lpw)
return NULL;
convert[0] = '\0';
WideCharToMultiByte(CP_ACP, 0, lpw, -1, convert, 512, NULL, NULL);
return convert;
}
void IltmmWMProfile_GetStream_Example (IltmmWMProfile *pProfile)
{
IltmmWMStreamConfig *pStreamConfig = NULL;
BSTR bstrString;
long lStreamCount;
int i;
long lValue;
double fValue;
char temp[50];
// Show all the information regarding the streams
IltmmWMProfile_get_StreamCount(pProfile, &lStreamCount);
for(i=0; i<lStreamCount; i++)
{
IltmmWMProfile_GetStream(pProfile, i, &pStreamConfig);
sprintf(temp, "[[ Stream %d ]]\n", i);
printf(temp);
// Get the major type of the stream
IltmmWMStreamConfig_get_StreamType(pStreamConfig, &bstrString);
printf("Stream type : ");
printf(OLE2A(bstrString));
printf("\n");
SysFreeString(bstrString);
// Get Stream number
IltmmWMStreamConfig_get_StreamNumber(pStreamConfig, &lValue);
printf("Stream number : ");
printf(ltoa(lValue, temp, 10));
printf("\n");
// Get Stream name
IltmmWMStreamConfig_get_StreamName(pStreamConfig, &bstrString);
printf("Stream name : ");
printf(OLE2A(bstrString));
printf("\n");
SysFreeString(bstrString);
// Get Connection name
IltmmWMStreamConfig_get_ConnectionName(pStreamConfig, &bstrString);
printf("Stream connection name : ");
printf(OLE2A(bstrString));
printf("\n");
SysFreeString(bstrString);
// Get Bitrate
IltmmWMStreamConfig_get_Bitrate(pStreamConfig, &lValue);
printf("Stream bitrate : ");
printf(ltoa(lValue, temp, 10));
printf("\n");
// Get the maximum latency (time in milliseconds) between stream reception and display
IltmmWMStreamConfig_get_BufferWindow(pStreamConfig, &lValue);
printf("Stream buffer window : ");
printf(ltoa(lValue, temp, 10));
printf("\n");
// Get the major type of the media in the stream
IltmmWMStreamConfig_get_Type(pStreamConfig, &bstrString);
printf("Major type of the stream media : ");
printf(OLE2A(bstrString));
printf("\n");
SysFreeString(bstrString);
// Get the maximum key frame time interval (in 100-nano seconds)
IltmmWMStreamConfig_get_MaxKeyFrameSpacing(pStreamConfig, &fValue);
printf("Maximum key frame time interval : ");
sprintf(temp, "%.Ef", fValue);
printf(temp);
printf("\n");
// Get the Quality, range from 0 to 100
// where zero denotes maximum frame rate and 100 denotes maximum quality.
IltmmWMStreamConfig_get_Quality(pStreamConfig, &lValue);
printf("Stream quality : ");
printf(ltoa(lValue, temp, 10));
if(lValue == -1)
printf(" ...(Unknown)");
printf("\n\n");
IltmmWMStreamConfig_Release(pStreamConfig);
}
IltmmWMProfile_Release(pProfile);
}
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