本文整理汇总了C++中IDeckLinkOutput::DoesSupportVideoMode方法的典型用法代码示例。如果您正苦于以下问题：C++ IDeckLinkOutput::DoesSupportVideoMode方法的具体用法？C++ IDeckLinkOutput::DoesSupportVideoMode怎么用？C++ IDeckLinkOutput::DoesSupportVideoMode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IDeckLinkOutput的用法示例。
在下文中一共展示了IDeckLinkOutput::DoesSupportVideoMode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:
static void print_output_modes (IDeckLink* deckLink)
{
IDeckLinkOutput* deckLinkOutput = NULL;
IDeckLinkDisplayModeIterator* displayModeIterator = NULL;
IDeckLinkDisplayMode* displayMode = NULL;
HRESULT result;
// Query the DeckLink for its configuration interface
result = deckLink->QueryInterface(IID_IDeckLinkOutput, (void**)&deckLinkOutput);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkOutput interface - result = %08x\n", result);
goto bail;
}
// Obtain an IDeckLinkDisplayModeIterator to enumerate the display modes supported on output
result = deckLinkOutput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the video output display mode iterator - result = %08x\n", result);
goto bail;
}
// List all supported output display modes
printf("Supported video output display modes and pixel formats:\n");
while (displayModeIterator->Next(&displayMode) == S_OK)
{
CFStringRef displayModeString;
result = displayMode->GetName(&displayModeString);
if (result == S_OK)
{
char modeName[64];
int modeWidth;
int modeHeight;
BMDTimeValue frameRateDuration;
BMDTimeScale frameRateScale;
int pixelFormatIndex = 0; // index into the gKnownPixelFormats / gKnownFormatNames arrays
BMDDisplayModeSupport displayModeSupport;
// Obtain the display mode's properties
modeWidth = displayMode->GetWidth();
modeHeight = displayMode->GetHeight();
displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
printf(" %-20s \t %d x %d \t %7g FPS\t", displayModeString, modeWidth, modeHeight, (double)frameRateScale / (double)frameRateDuration);
// Print the supported pixel formats for this display mode
while ((gKnownPixelFormats[pixelFormatIndex] != 0) && (gKnownPixelFormatNames[pixelFormatIndex] != NULL))
{
if ((deckLinkOutput->DoesSupportVideoMode(displayMode->GetDisplayMode(), gKnownPixelFormats[pixelFormatIndex], bmdVideoOutputFlagDefault, &displayModeSupport, NULL) == S_OK)
&& (displayModeSupport != bmdDisplayModeNotSupported))
{
printf("%s\t", gKnownPixelFormatNames[pixelFormatIndex]);
}
pixelFormatIndex++;
}
printf("\n");
// free(displayModeString);
}
// Release the IDeckLinkDisplayMode object to prevent a leak
displayMode->Release();
}
printf("\n");
bail:
// Ensure that the interfaces we obtained are released to prevent a memory leak
if (displayModeIterator != NULL)
displayModeIterator->Release();
if (deckLinkOutput != NULL)
deckLinkOutput->Release();
}