Example #1
0
	~DeckLinkConsumer()
	{
		if ( m_deckLinkOutput )
			m_deckLinkOutput->Release();
		if ( m_deckLink )
			m_deckLink->Release();
		if ( m_videoFrameQ )
			mlt_deque_close( m_videoFrameQ );
	}
Example #2
0
void print_output_modes(IDeckLink *deckLink)
{
    IDeckLinkOutput *deckLinkOutput                   = NULL;
    IDeckLinkDisplayModeIterator *displayModeIterator = NULL;
    IDeckLinkDisplayMode *displayMode                 = NULL;
    HRESULT result;
    int displayModeCount = 0;

    // 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) {
        BMDProbeString str;

        result = displayMode->GetName(&str);
        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("        %2d:   %-20s \t %d x %d \t %7g FPS\n",
                   displayModeCount++, ToStr(str), modeWidth, modeHeight,
                   (double)frameRateScale / (double)frameRateDuration);

            FreeStr(str);
        }
        // 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();
}
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();
}