bool DeckLinkController::selectDevice(int index) {
IDeckLinkAttributes* deckLinkAttributes = NULL;
IDeckLinkDisplayModeIterator* displayModeIterator = NULL;
IDeckLinkDisplayMode* displayMode = NULL;
bool result = false;
// Check index
if (index >= deviceList.size()) {
ofLogError("DeckLinkController") << "This application was unable to select the device.";
goto bail;
}
// A new device has been selected.
// Release the previous selected device and mode list
if (deckLinkInput != NULL)
deckLinkInput->Release();
while(modeList.size() > 0) {
modeList.back()->Release();
modeList.pop_back();
}
// Get the IDeckLinkInput for the selected device
if ((deviceList[index]->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput) != S_OK)) {
ofLogError("DeckLinkController") << "This application was unable to obtain IDeckLinkInput for the selected device.";
deckLinkInput = NULL;
goto bail;
}
//
// Retrieve and cache mode list
if (deckLinkInput->GetDisplayModeIterator(&displayModeIterator) == S_OK) {
while (displayModeIterator->Next(&displayMode) == S_OK)
modeList.push_back(displayMode);
displayModeIterator->Release();
}
//
// Check if input mode detection format is supported.
supportFormatDetection = false; // assume unsupported until told otherwise
if (deviceList[index]->QueryInterface(IID_IDeckLinkAttributes, (void**) &deckLinkAttributes) == S_OK) {
if (deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &supportFormatDetection) != S_OK)
supportFormatDetection = false;
deckLinkAttributes->Release();
}
result = true;
bail:
return result;
}
// Call init() before any other method. if init() fails, destroy the object
bool PlaybackHelper::init()
{
IDeckLinkAttributes* attributes = NULL;
bool hasBypass;
bool result = false;
// Get the IDeckLinkAttributes interface
if (m_deckLink->QueryInterface(IID_IDeckLinkAttributes, (void **)&attributes) != S_OK)
{
printf("Could not get the IdeckLinkAttributes interface\n");
goto bail;
}
// Make sure the DeckLink device has a bypass
if ((attributes->GetFlag(BMDDeckLinkHasBypass, &hasBypass) != S_OK) || ! hasBypass)
{
printf("The DeckLink device does not have a bypass\n");
goto bail;
}
// Get the IDeckLinkConfiguration interface
if (m_deckLink->QueryInterface(IID_IDeckLinkConfiguration, (void **)&m_configuration) != S_OK)
{
printf("Could not get the IDeckLinkConfiguration interface\n");
m_configuration = NULL;
}
// Get the IDeckLinkOutput interface
if (m_deckLink->QueryInterface(IID_IDeckLinkOutput, (void **)&m_deckLinkOutput) != S_OK)
{
printf("Could not get DeckLink Output interface\n");
m_deckLinkOutput = NULL;
goto bail;
}
result = true;
bail:
if (attributes)
attributes->Release();
return result;
}
int query_display_mode(DecklinkConf *c)
{
DecklinkCapture *capture = (DecklinkCapture *)calloc(1, sizeof(*capture));
BMDPixelFormat pix[] = { bmdFormat8BitYUV, bmdFormat10BitYUV,
bmdFormat8BitARGB, bmdFormat10BitRGB,
bmdFormat8BitBGRA };
BMDDisplayMode display_mode = -1;
QueryDelegate *delegate;
HRESULT ret;
int i = 0;
int result = -1;
IDeckLinkAttributes* deckLinkAttributes;
bool formatDetectionSupported;
if (!capture)
goto fail;
capture->it = CreateDeckLinkIteratorInstance();
if (!capture->it)
goto fail;
switch (c->audio_channels) {
case 0:
c->audio_channels = 2;
case 2:
case 8:
case 16:
break;
default:
goto fail;
}
switch (c->audio_sample_depth) {
case 0:
c->audio_sample_depth = 16;
case 16:
case 32:
break;
default:
goto fail;
}
if (c->pixel_format >= sizeof(pix))
goto fail;
do {
ret = capture->it->Next(&capture->dl);
} while (i++ < c->instance);
if (ret != S_OK)
goto fail;
ret = capture->dl->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (ret != S_OK) {
goto fail;
}
ret = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &formatDetectionSupported);
if (ret != S_OK) {
goto fail;
}
if (!formatDetectionSupported) {
goto fail;
}
ret = capture->dl->QueryInterface(IID_IDeckLinkInput,
(void**)&capture->in);
if (ret != S_OK)
goto fail;
ret = capture->dl->QueryInterface(IID_IDeckLinkConfiguration,
(void**)&capture->conf);
switch (c->audio_connection) {
case 1:
ret = capture->conf->SetInt(bmdDeckLinkConfigAudioInputConnection,
bmdAudioConnectionAnalog);
break;
case 2:
ret = capture->conf->SetInt(bmdDeckLinkConfigAudioInputConnection,
bmdAudioConnectionEmbedded);
break;
default:
// do not change it
break;
}
if (ret != S_OK) {
goto fail;
}
switch (c->video_connection) {
case 1:
ret = capture->conf->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionComposite);
break;
case 2:
ret = capture->conf->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionComponent);
break;
case 3:
ret = capture->conf->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionHDMI);
break;
case 4:
ret = capture->conf->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionSDI);
break;
default:
// do not change it
break;
}
if (ret != S_OK) {
goto fail;
}
ret = capture->in->GetDisplayModeIterator(&capture->dm_it);
if (ret != S_OK) {
goto fail;
}
i = 0;
while (true) {
if (capture->dm_it->Next(&capture->dm) != S_OK) {
capture->dm->Release();
} else {
result = i;
break;
}
i++;
}
if (result == -1) {
return -1;
}
c->width = capture->dm->GetWidth();
c->height = capture->dm->GetHeight();
switch (capture->dm->GetFieldDominance()) {
case bmdUnknownFieldDominance:
c->field_mode = 0;
break;
case bmdLowerFieldFirst:
c->field_mode = 1;
break;
case bmdUpperFieldFirst:
c->field_mode = 2;
break;
case bmdProgressiveFrame:
c->field_mode = 3;
break;
case bmdProgressiveSegmentedFrame:
c->field_mode = 4;
break;
default:
goto fail;
}
capture->dm->GetFrameRate(&c->tb_num, &c->tb_den);
delegate = new QueryDelegate(capture->dm->GetDisplayMode());
if (!delegate)
goto fail;
capture->in->SetCallback(delegate);
ret = capture->in->EnableVideoInput(capture->dm->GetDisplayMode(),
pix[c->pixel_format],
bmdVideoInputEnableFormatDetection);
ret = capture->in->StartStreams();
if (ret != S_OK) {
goto fail;
}
while (!delegate->isDone())
{
usleep(20000);
}
ret = capture->in->StopStreams();
if (ret != S_OK) {
goto fail;
}
if (delegate->GetDisplayMode()) {
ret = capture->in->GetDisplayModeIterator(&capture->dm_it);
if (ret != S_OK) {
goto fail;
}
i = 0;
while (capture->dm_it->Next(&capture->dm) == S_OK) {
BMDDisplayMode display_mode = capture->dm->GetDisplayMode();
capture->dm->Release();
if (display_mode == delegate->GetDisplayMode()) {
result = i;
}
i++;
}
}
fail:
decklink_capture_free(capture);
return result;
}
static void print_attributes (IDeckLink* deckLink)
{
IDeckLinkAttributes* deckLinkAttributes = NULL;
bool supported;
int64_t count;
char * serialPortName = NULL;
HRESULT result;
// Query the DeckLink for its attributes interface
result = deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkAttributes interface - result = %08x\n", result);
goto bail;
}
// List attributes and their value
printf("Attribute list:\n");
result = deckLinkAttributes->GetFlag(BMDDeckLinkHasSerialPort, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "Serial port present ?", (supported == true) ? "Yes" : "No");
if (supported)
{
CFStringRef serialPortNameString = CFStringCreateWithCString(kCFAllocatorDefault, serialPortName, kCFStringEncodingMacRoman);
result = deckLinkAttributes->GetString(BMDDeckLinkSerialPortDeviceName, &serialPortNameString);
if (result == S_OK)
{
printf(" %-40s %s\n", "Serial port name: ", serialPortName);
free(serialPortName);
}
else
{
fprintf(stderr, "Could not query the serial port presence attribute- result = %08x\n", result);
}
}
}
else
{
fprintf(stderr, "Could not query the serial port presence attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetInt(BMDDeckLinkNumberOfSubDevices, &count);
if (result == S_OK)
{
printf(" %-40s %lld\n", "Number of sub-devices:", count);
if (count != 0)
{
result = deckLinkAttributes->GetInt(BMDDeckLinkSubDeviceIndex, &count);
if (result == S_OK)
{
printf(" %-40s %lld\n", "Sub-device index:", count);
}
else
{
fprintf(stderr, "Could not query the sub-device index attribute- result = %08x\n", result);
}
}
}
else
{
fprintf(stderr, "Could not query the number of sub-device attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetInt(BMDDeckLinkMaximumAudioChannels, &count);
if (result == S_OK)
{
printf(" %-40s %lld\n", "Number of audio channels:", count);
}
else
{
fprintf(stderr, "Could not query the number of supported audio channels attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "Input mode detection supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the input mode detection attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInternalKeying, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "Internal keying supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the internal keying attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsExternalKeying, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "External keying supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the external keying attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsHDKeying, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "HD-mode keying supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the HD-mode keying attribute- result = %08x\n", result);
}
bail:
printf("\n");
if(deckLinkAttributes != NULL)
deckLinkAttributes->Release();
}
bool start( mlt_profile profile = 0 )
{
if ( m_started )
return false;
try
{
// Initialize some members
m_vancLines = mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( getProducer() ), "vanc" );
if ( m_vancLines == -1 )
m_vancLines = profile->height <= 512 ? 26 : 32;
if ( !profile )
profile = mlt_service_profile( MLT_PRODUCER_SERVICE( getProducer() ) );
// Get the display mode
BMDDisplayMode displayMode = getDisplayMode( profile, m_vancLines );
if ( displayMode == (BMDDisplayMode) bmdDisplayModeNotSupported )
{
mlt_log_info( getProducer(), "profile = %dx%d %f fps %s\n", profile->width, profile->height,
mlt_profile_fps( profile ), profile->progressive? "progressive" : "interlace" );
throw "Profile is not compatible with decklink.";
}
// Determine if supports input format detection
#ifdef WIN32
BOOL doesDetectFormat = FALSE;
#else
bool doesDetectFormat = false;
#endif
IDeckLinkAttributes *decklinkAttributes = 0;
if ( m_decklink->QueryInterface( IID_IDeckLinkAttributes, (void**) &decklinkAttributes ) == S_OK )
{
if ( decklinkAttributes->GetFlag( BMDDeckLinkSupportsInputFormatDetection, &doesDetectFormat ) != S_OK )
doesDetectFormat = false;
SAFE_RELEASE( decklinkAttributes );
}
mlt_log_verbose( getProducer(), "%s format detection\n", doesDetectFormat ? "supports" : "does not support" );
// Enable video capture
BMDPixelFormat pixelFormat = bmdFormat8BitYUV;
BMDVideoInputFlags flags = doesDetectFormat ? bmdVideoInputEnableFormatDetection : bmdVideoInputFlagDefault;
if ( S_OK != m_decklinkInput->EnableVideoInput( displayMode, pixelFormat, flags ) )
throw "Failed to enable video capture.";
// Enable audio capture
BMDAudioSampleRate sampleRate = bmdAudioSampleRate48kHz;
BMDAudioSampleType sampleType = bmdAudioSampleType16bitInteger;
int channels = mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( getProducer() ), "channels" );
if ( S_OK != m_decklinkInput->EnableAudioInput( sampleRate, sampleType, channels ) )
throw "Failed to enable audio capture.";
// Start capture
m_dropped = 0;
mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( getProducer() ), "dropped", m_dropped );
m_started = m_decklinkInput->StartStreams() == S_OK;
if ( !m_started )
throw "Failed to start capture.";
}
catch ( const char *error )
{
m_decklinkInput->DisableVideoInput();
mlt_log_error( getProducer(), "%s\n", error );
return false;
}
return true;
}
/**
* process the arugments
* return negative value of failed
*/
int Window::processArguments(int argc, char* argv[]){
IDeckLinkAttributes *deckLinkAttributes = NULL;
DeckLinkCaptureDelegate *delegate;
IDeckLinkDisplayMode *displayMode;
BMDVideoInputFlags inputFlags = 0;
BMDDisplayMode selectedDisplayMode = bmdModeNTSC;
BMDPixelFormat pixelFormat = bmdFormat8BitYUV;
int displayModeCount = 0;
int exitStatus = 1;
int ch;
bool foundDisplayMode = false;
HRESULT result;
int dnum = 0;
IDeckLink *tempLink = NULL;
int found = 0;
bool supported = 0;
int64_t ports;
int itemCount;
int vinput = 0;
int64_t vport = 0;
IDeckLinkConfiguration *deckLinkConfiguration = NULL;
bool flickerremoval = true;
bool pnotpsf = true;
// Parse command line options
while ((ch = getopt(argc, argv, "?h3c:d:s:f:a:m:n:p:t:u::vi:jy")) != -1)
{
switch (ch)
{
case 'i':
vinput = atoi(optarg);
break;
case 'd':
card = atoi(optarg);
break;
case 'm':
g_videoModeIndex = atoi(optarg);
break;
case 'n':
g_maxFrames = atoi(optarg);
break;
case '3':
inputFlags |= bmdVideoInputDualStream3D;
break;
case 'p':
switch(atoi(optarg))
{
case 0: pixelFormat = bmdFormat8BitYUV; break;
case 1: pixelFormat = bmdFormat10BitYUV; break;
case 2: pixelFormat = bmdFormat10BitRGB; break;
default:
fprintf(stderr, "Invalid argument: Pixel format %d is not valid", atoi(optarg));
exit(1);
}
break;
case 't':
if (!strcmp(optarg, "rp188"))
g_timecodeFormat = bmdTimecodeRP188Any;
else if (!strcmp(optarg, "vitc"))
g_timecodeFormat = bmdTimecodeVITC;
else if (!strcmp(optarg, "serial"))
g_timecodeFormat = bmdTimecodeSerial;
else
{
fprintf(stderr, "Invalid argument: Timecode format \"%s\" is invalid\n", optarg);
exit(1);
}
break;
case '?':
case 'h':
usage();
}
}
if (!deckLinkIterator)
{
fprintf(stderr, "This application requires the DeckLink drivers installed.\n");
return -1;
}
/* Connect to the first DeckLink instance */
while (deckLinkIterator->Next(&tempLink) == S_OK)
{
if (card != dnum) {
dnum++;
// Release the IDeckLink instance when we've finished with it to prevent leaks
tempLink->Release();
continue;
}
else {
deckLink = tempLink;
found = 1;
}
dnum++;
}
if (! found ) {
fprintf(stderr, "No DeckLink PCI cards found.\n");
return -1;
}
if (deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput) != S_OK)
return -1;
// Query the DeckLink for its attributes interface
result = deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkAttributes interface - result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &supported);
if (result == S_OK)
{
fprintf(stderr, " %-40s %s\n", "Input mode detection supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the input mode detection attribute- result = %08x\n", result);
}
fprintf(stderr, "Supported video input connections (-i [input #]:\n ");
itemCount = 0;
result = deckLinkAttributes->GetInt(BMDDeckLinkVideoInputConnections, &ports);
if (result == S_OK)
{
if (ports & bmdVideoConnectionSDI)
{
fprintf(stderr, "%d: SDI, ", bmdVideoConnectionSDI);
itemCount++;
}
if (ports & bmdVideoConnectionHDMI)
{
fprintf(stderr, "%d: HDMI, ", bmdVideoConnectionHDMI);
itemCount++;
}
if (ports & bmdVideoConnectionOpticalSDI)
{
fprintf(stderr, "%d: Optical SDI, ", bmdVideoConnectionOpticalSDI);
itemCount++;
}
if (ports & bmdVideoConnectionComponent)
{
fprintf(stderr, "%d: Component, ", bmdVideoConnectionComponent);
itemCount++;
}
if (ports & bmdVideoConnectionComposite)
{
fprintf(stderr, "%d: Composite, ", bmdVideoConnectionComposite);
itemCount++;
}
if (ports & bmdVideoConnectionSVideo)
{
fprintf(stderr, "%d: S-Video, ", bmdVideoConnectionSVideo);
itemCount++;
}
}
fprintf(stderr, "\n");
//glWidget->initShaderProgram();
delegate = new DeckLinkCaptureDelegate(glWidget);
connect(delegate, SIGNAL(updateGLSignal()), glWidget, SLOT(updateGLSlot()));
deckLinkInput->SetCallback(delegate);
// Obtain an IDeckLinkDisplayModeIterator to enumerate the display modes supported on output
result = deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the video output display mode iterator - result = %08x\n", result);
return -1;
}
if (g_videoModeIndex < 0)
{
fprintf(stderr, "No video mode specified\n");
usage();
return -1;
}
while (displayModeIterator->Next(&displayMode) == S_OK)
{
if (g_videoModeIndex == displayModeCount)
{
BMDDisplayModeSupport result;
const char *displayModeName;
foundDisplayMode = true;
displayMode->GetName(&displayModeName);
selectedDisplayMode = displayMode->GetDisplayMode();
deckLinkInput->DoesSupportVideoMode(selectedDisplayMode, pixelFormat, bmdVideoInputFlagDefault, &result, NULL);
if (result == bmdDisplayModeNotSupported)
{
fprintf(stderr, "The display mode %s is not supported with the selected pixel format\n", displayModeName);
return -1;
}
if (inputFlags & bmdVideoInputDualStream3D)
{
if (!(displayMode->GetFlags() & bmdDisplayModeSupports3D))
{
fprintf(stderr, "The display mode %s is not supported with 3D\n", displayModeName);
return -1;
}
}
fprintf(stderr, "Selecting mode: %s\n", displayModeName);
break;
}
displayModeCount++;
displayMode->Release();
}
if (!foundDisplayMode)
{
fprintf(stderr, "Invalid mode %d specified\n", g_videoModeIndex);
return -1;
}
// Query the DeckLink for its configuration interface
result = deckLinkInput->QueryInterface(IID_IDeckLinkConfiguration, (void**)&deckLinkConfiguration);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkConfiguration interface: %08x\n", result);
}
BMDVideoConnection conn;
switch (vinput) {
case 0:
conn = bmdVideoConnectionSDI;
break;
case 1:
conn = bmdVideoConnectionHDMI;
break;
case 2:
conn = bmdVideoConnectionComponent;
break;
case 3:
conn = bmdVideoConnectionComposite;
break;
case 4:
conn = bmdVideoConnectionSVideo;
break;
case 5:
conn = bmdVideoConnectionOpticalSDI;
break;
default:
break;
}
conn = vinput;
// Set the input desired
result = deckLinkConfiguration->SetInt(bmdDeckLinkConfigVideoInputConnection, conn);
if(result != S_OK) {
fprintf(stderr, "Cannot set the input to [%d]\n", conn);
return -1;
}
// check input
result = deckLinkConfiguration->GetInt(bmdDeckLinkConfigVideoInputConnection, &vport);
if (vport == bmdVideoConnectionSDI)
fprintf(stderr, "Before Input configured for SDI\n");
if (vport == bmdVideoConnectionHDMI)
fprintf(stderr, "Before Input configured for HDMI\n");
if (deckLinkConfiguration->SetFlag(bmdDeckLinkConfigFieldFlickerRemoval, flickerremoval) == S_OK) {
fprintf(stderr, "Flicker removal set : %d\n", flickerremoval);
}
else {
fprintf(stderr, "Flicker removal NOT set\n");
}
if (deckLinkConfiguration->SetFlag(bmdDeckLinkConfigUse1080pNotPsF, pnotpsf) == S_OK) {
fprintf(stderr, "bmdDeckLinkConfigUse1080pNotPsF: %d\n", pnotpsf);
}
else {
fprintf(stderr, "bmdDeckLinkConfigUse1080pNotPsF NOT set\n");
}
//if (deckLinkConfiguration->SetFlag(bmdDeckLinkConfigVideoInputConnection, conn) == S_OK) {
//fprintf(stderr, "Input set to: %d\n", vinput);
//}
result = deckLinkConfiguration->GetInt(bmdDeckLinkConfigVideoInputConnection, &vport);
if (vport == bmdVideoConnectionSDI)
fprintf(stderr, "After Input configured for SDI\n");
if (vport == bmdVideoConnectionHDMI)
fprintf(stderr, "After Input configured for HDMI\n");
result = deckLinkInput->EnableVideoInput(selectedDisplayMode, pixelFormat, inputFlags);
if(result != S_OK)
{
fprintf(stderr, "Failed to enable video input. Is another application using the card?\n");
return -1;
}
displayWidth = displayMode->GetWidth();
displayHeight = displayMode->GetHeight();
displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
displayFPS = (double)frameRateScale / (double)frameRateDuration;
//set to delegate
delegate->setWidth(displayWidth);
delegate->setHeight(displayHeight);
delegate->setFPS(displayFPS);
delegate->setFrameRateDuration(frameRateDuration);
delegate->setFrameRateScale(frameRateScale);
//set texture width and height
glWidget->setTextureWidth(displayWidth);
glWidget->setTextureHeight(displayHeight);
glWidget->initBuffer();
fprintf(stderr, "GetFrameRate: %10ld %10ld --> fps %g\n", (long)frameRateScale, (long)frameRateDuration, displayFPS);
result = deckLinkInput->StartStreams();
if(result != S_OK){
fprintf(stderr, "Cannot start streams...\n");
return -1;
}
fprintf(stderr, "Finish procesing arguments \n");
}
int main(int argc, char *argv[]) {
HRESULT result;
int exitStatus = 1;
int idx;
IDeckLinkIterator* deckLinkIterator = NULL;
IDeckLink* deckLink = NULL;
IDeckLinkAttributes* deckLinkAttributes = NULL;
bool formatDetectionSupported;
IDeckLinkDisplayModeIterator* displayModeIterator = NULL;
IDeckLinkDisplayMode* displayMode = NULL;
char* displayModeName = NULL;
BMDDisplayModeSupport displayModeSupported;
DeckLinkCaptureDelegate* delegate = NULL;
pthread_mutex_init(&g_sleepMutex, NULL);
pthread_cond_init(&g_sleepCond, NULL);
signal(SIGINT, sigfunc);
signal(SIGTERM, sigfunc);
signal(SIGHUP, sigfunc);
// Network
g_video_sock = socket(AF_INET, SOCK_STREAM, 0);
g_video_addr.sin_family = AF_INET;
g_video_addr.sin_port = htons(62310);
g_video_addr.sin_addr.s_addr = inet_addr("192.168.100.31");
connect(g_video_sock, (struct sockaddr *)&g_video_addr, sizeof(g_video_addr));
g_audio_sock = socket(AF_INET, SOCK_STREAM, 0);
g_audio_addr.sin_family = AF_INET;
g_audio_addr.sin_port = htons(62311);
g_audio_addr.sin_addr.s_addr = inet_addr("192.168.100.31");
connect(g_audio_sock, (struct sockaddr *)&g_audio_addr, sizeof(g_audio_addr));
// Process the command line arguments
if (!g_config.ParseArguments(argc, argv)) {
g_config.DisplayUsage(exitStatus);
goto bail;
}
// Get the DeckLink device
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (!deckLinkIterator) {
fprintf(stderr, "This application requires the DeckLink drivers installed.\n");
goto bail;
}
idx = g_config.m_deckLinkIndex;
while ((result = deckLinkIterator->Next(&deckLink)) == S_OK) {
if (idx == 0)
break;
--idx;
deckLink->Release();
}
if (result != S_OK || deckLink == NULL) {
fprintf(stderr, "Unable to get DeckLink device %u\n", g_config.m_deckLinkIndex);
goto bail;
}
// Get the input (capture) interface of the DeckLink device
result = deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&g_deckLinkInput);
if (result != S_OK)
goto bail;
// Get the display mode
if (g_config.m_displayModeIndex == -1) {
// Check the card supports format detection
result = deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (result == S_OK) {
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &formatDetectionSupported);
if (result != S_OK || !formatDetectionSupported) {
fprintf(stderr, "Format detection is not supported on this device\n");
goto bail;
}
}
g_config.m_inputFlags |= bmdVideoInputEnableFormatDetection;
// Format detection still needs a valid mode to start with
idx = 0;
} else {
idx = g_config.m_displayModeIndex;
}
result = g_deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK) {
goto bail;
}
while ((result = displayModeIterator->Next(&displayMode)) == S_OK) {
if (idx == 0) {
break;
}
--idx;
displayMode->Release();
}
if (result != S_OK || displayMode == NULL) {
fprintf(stderr, "Unable to get display mode %d\n", g_config.m_displayModeIndex);
goto bail;
}
// Get display mode name
result = displayMode->GetName((const char**)&displayModeName);
if (result != S_OK) {
displayModeName = (char *)malloc(32);
snprintf(displayModeName, 32, "[index %d]", g_config.m_displayModeIndex);
}
// Check display mode is supported with given options
result = g_deckLinkInput->DoesSupportVideoMode(displayMode->GetDisplayMode(), g_config.m_pixelFormat, bmdVideoInputFlagDefault, &displayModeSupported, NULL);
if (result != S_OK)
goto bail;
if (displayModeSupported == bmdDisplayModeNotSupported)
{
fprintf(stderr, "The display mode %s is not supported with the selected pixel format\n", displayModeName);
goto bail;
}
if (g_config.m_inputFlags & bmdVideoInputDualStream3D)
{
if (!(displayMode->GetFlags() & bmdDisplayModeSupports3D))
{
fprintf(stderr, "The display mode %s is not supported with 3D\n", displayModeName);
goto bail;
}
}
// Print the selected configuration
g_config.DisplayConfiguration();
// Configure the capture callback
delegate = new DeckLinkCaptureDelegate();
g_deckLinkInput->SetCallback(delegate);
// Open output files
// if (g_config.m_videoOutputFile != NULL)
// {
// g_videoOutputFile = open(g_config.m_videoOutputFile, O_WRONLY|O_CREAT|O_TRUNC, 0664);
// if (g_videoOutputFile < 0)
// {
// fprintf(stderr, "Could not open video output file \"%s\"\n", g_config.m_videoOutputFile);
// goto bail;
// }
// }
//
// if (g_config.m_audioOutputFile != NULL)
// {
// g_audioOutputFile = open(g_config.m_audioOutputFile, O_WRONLY|O_CREAT|O_TRUNC, 0664);
// if (g_audioOutputFile < 0)
// {
// fprintf(stderr, "Could not open audio output file \"%s\"\n", g_config.m_audioOutputFile);
// goto bail;
// }
// }
// Block main thread until signal occurs
while (!g_do_exit)
{
// Start capturing
result = g_deckLinkInput->EnableVideoInput(displayMode->GetDisplayMode(), g_config.m_pixelFormat, g_config.m_inputFlags);
if (result != S_OK)
{
fprintf(stderr, "Failed to enable video input. Is another application using the card?\n");
goto bail;
}
result = g_deckLinkInput->EnableAudioInput(bmdAudioSampleRate48kHz, g_config.m_audioSampleDepth, g_config.m_audioChannels);
if (result != S_OK)
goto bail;
result = g_deckLinkInput->StartStreams();
if (result != S_OK)
goto bail;
// All Okay.
exitStatus = 0;
pthread_mutex_lock(&g_sleepMutex);
pthread_cond_wait(&g_sleepCond, &g_sleepMutex);
pthread_mutex_unlock(&g_sleepMutex);
fprintf(stderr, "Stopping Capture\n");
g_deckLinkInput->StopStreams();
g_deckLinkInput->DisableAudioInput();
g_deckLinkInput->DisableVideoInput();
}
bail:
if (g_videoOutputFile != 0)
close(g_videoOutputFile);
if (g_audioOutputFile != 0)
close(g_audioOutputFile);
if (displayModeName != NULL)
free(displayModeName);
if (displayMode != NULL)
displayMode->Release();
if (displayModeIterator != NULL)
displayModeIterator->Release();
if (g_deckLinkInput != NULL)
{
g_deckLinkInput->Release();
g_deckLinkInput = NULL;
}
if (deckLinkAttributes != NULL)
deckLinkAttributes->Release();
if (deckLink != NULL)
deckLink->Release();
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
close(g_video_sock);
close(g_audio_sock);
return exitStatus;
}
void BMDConfig::DisplayUsage(int status)
{
HRESULT result = E_FAIL;
IDeckLinkIterator* deckLinkIterator = CreateDeckLinkIteratorInstance();
IDeckLinkDisplayModeIterator* displayModeIterator = NULL;
IDeckLink* deckLink = NULL;
IDeckLink* deckLinkSelected = NULL;
int deckLinkCount = 0;
char* deckLinkName = NULL;
IDeckLinkAttributes* deckLinkAttributes = NULL;
bool formatDetectionSupported;
IDeckLinkInput* deckLinkInput = NULL;
IDeckLinkDisplayMode* displayModeUsage;
int displayModeCount = 0;
char* displayModeName;
fprintf(stderr,
"Usage: Capture -d <device id> -m <mode id> [OPTIONS]\n"
"\n"
" -d <device id>:\n"
);
// Loop through all available devices
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
result = deckLink->GetModelName((const char**)&deckLinkName);
if (result == S_OK)
{
fprintf(stderr,
" %2d: %s%s\n",
deckLinkCount,
deckLinkName,
deckLinkCount == m_deckLinkIndex ? " (selected)" : ""
);
free(deckLinkName);
}
if (deckLinkCount == m_deckLinkIndex)
deckLinkSelected = deckLink;
else
deckLink->Release();
++deckLinkCount;
}
if (deckLinkCount == 0)
fprintf(stderr, " No DeckLink devices found. Is the driver loaded?\n");
deckLinkName = NULL;
if (deckLinkSelected != NULL)
deckLinkSelected->GetModelName((const char**)&deckLinkName);
fprintf(stderr,
" -m <mode id>: (%s)\n",
deckLinkName ? deckLinkName : ""
);
if (deckLinkName != NULL)
free(deckLinkName);
// Loop through all available display modes on the delected DeckLink device
if (deckLinkSelected == NULL)
{
fprintf(stderr, " No DeckLink device selected\n");
goto bail;
}
result = deckLinkSelected->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (result == S_OK)
{
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &formatDetectionSupported);
if (result == S_OK && formatDetectionSupported)
fprintf(stderr, " -1: auto detect format\n");
}
result = deckLinkSelected->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput);
if (result != S_OK)
goto bail;
result = deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK)
goto bail;
while (displayModeIterator->Next(&displayModeUsage) == S_OK)
{
result = displayModeUsage->GetName((const char **)&displayModeName);
if (result == S_OK)
{
BMDTimeValue frameRateDuration;
BMDTimeValue frameRateScale;
displayModeUsage->GetFrameRate(&frameRateDuration, &frameRateScale);
fprintf(stderr,
" %2d: %-20s \t %li x %li \t %g FPS\n",
displayModeCount,
displayModeName,
displayModeUsage->GetWidth(),
displayModeUsage->GetHeight(),
(double)frameRateScale / (double)frameRateDuration
);
free(displayModeName);
}
displayModeUsage->Release();
++displayModeCount;
}
bail:
fprintf(stderr,
" -p <pixelformat>\n"
" 0: 8 bit YUV (4:2:2) (default)\n"
" 1: 10 bit YUV (4:2:2)\n"
" 2: 10 bit RGB (4:4:4)\n"
" -t <format> Print timecode\n"
" rp188: RP 188\n"
" vitc: VITC\n"
" serial: Serial Timecode\n"
" -v <filename> Filename raw video will be written to\n"
" -a <filename> Filename raw audio will be written to\n"
" -l <lcm channel> Channel name to publish images to LCM\n"
" -q <jpeg quality> JPEG compression quality for LCM images (1-100 - default is 90)\n"
" -c <channels> Audio Channels (2, 8 or 16 - default is 2)\n"
" -s <depth> Audio Sample Depth (16 or 32 - default is 16)\n"
" -n <frames> Number of frames to capture (default is unlimited)\n"
" -3 Capture Stereoscopic 3D (Requires 3D Hardware support)\n"
"\n"
"Capture video and/or audio to a file. Raw video and/or audio can be viewed with mplayer eg:\n"
"\n"
" Capture -d 0 -m 2 -n 50 -v video.raw -a audio.raw\n"
" mplayer video.raw -demuxer rawvideo -rawvideo pal:uyvy -audiofile audio.raw -audio-demuxer 20 -rawaudio rate=48000\n"
"\n"
"LCM capture example command line:\n"
"\n"
" DecklinkCapture -d 0 -m 14 -q 95 -l DECKLINK_VIDEO_CAPTURE\n"
"\n"
);
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
if (displayModeIterator != NULL)
displayModeIterator->Release();
if (deckLinkInput != NULL)
deckLinkInput->Release();
if (deckLinkAttributes != NULL)
deckLinkAttributes->Release();
if (deckLinkSelected != NULL)
deckLinkSelected->Release();
exit(status);
}
int _tmain(int argc, _TCHAR* argv[])
{
int numDevices = 0;
HRESULT result;
IDeckLinkAttributes *deckLinkAttributes = NULL;
HRESULT attributeResult;
BOOL keyingSupported;
BOOL HDkeyingSupported;
int selectedMode = 0;
printf("GDI Keyer Sample Application\n\n");
// Initialize COM on this thread
result = CoInitialize(NULL);
if (FAILED(result))
{
fprintf(stderr, "Initialization of COM failed - result = %08x.\n", result);
return 1;
}
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
result = CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**)&deckLinkIterator);
if (FAILED(result))
{
fprintf(stderr, "A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return 1;
}
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
BSTR deviceNameBSTR = NULL;
// Increment the total number of DeckLink cards found
numDevices++;
if (numDevices > 1)
printf("\n\n");
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName(&deviceNameBSTR);
if (result == S_OK)
{
_bstr_t deviceName(deviceNameBSTR);
printf("Found Blackmagic device: %s\n", (char*)deviceName);
attributeResult = deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (attributeResult != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkAttributes interface");
return 1;
}
else
{
attributeResult = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInternalKeying, &keyingSupported); // is keying supported on this device?
if (attributeResult == S_OK && keyingSupported)
{
IDeckLinkDisplayModeIterator* displayModeIterator = NULL;
IDeckLinkDisplayMode* deckLinkDisplayMode = NULL;
attributeResult = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsHDKeying, &HDkeyingSupported);
if (attributeResult == S_OK && HDkeyingSupported)
printf("HD Mode keying supported.\n");
else
printf("SD Mode Keying supported.\n");
// check if automode detection support - if so, use it for autodetection
if (CheckFormatDetect(deckLinkAttributes) == 0)
{
fprintf(stderr, "Input mode detection not supported\n");
if (deckLink->QueryInterface(IID_IDeckLinkOutput, (void**)&deckLinkOutput) != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkOutput interface\n");
}
else
{
int index = 0;
if (deckLinkOutput->GetDisplayModeIterator(&displayModeIterator) != S_OK)
{
fprintf(stderr, "Could not obtain the display mode iterator\n");
}
else
{
printf("\n");
while (displayModeIterator->Next(&deckLinkDisplayMode) == S_OK)
{
BSTR displayModeBSTR = NULL;
int modeWidth;
int modeHeight;
BMDTimeValue frameRateDuration;
BMDTimeScale frameRateScale;
// Obtain the display mode's properties
modeWidth = deckLinkDisplayMode->GetWidth();
modeHeight = deckLinkDisplayMode->GetHeight();
deckLinkDisplayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
if ((deckLinkDisplayMode->GetWidth() > 720) && !HDkeyingSupported)
continue;
if (deckLinkDisplayMode->GetName(&displayModeBSTR) == S_OK)
{
_bstr_t modeName(displayModeBSTR, false);
// Skip HD modes on cards such as DeckLink SDI (only PAL/NTSC are supported for keying)
printf("%d %-20s \t %d x %d \t %g FPS\n", index, (char*)modeName, modeWidth, modeHeight, (double)frameRateScale / (double)frameRateDuration);
}
deckLinkDisplayMode->Release();
index++;
}
displayModeIterator->Release();
printf("Select Mode (0-%d):\n", index-1);
scanf_s("%d", &selectedMode);
printf("Mode selected: %d\n", selectedMode);
if(selectedMode < index)
{
int modeCount = 0;
if (deckLinkOutput->GetDisplayModeIterator(&displayModeIterator) != S_OK)
{
fprintf(stderr, "Could not obtain the display mode iterator\n");
}
else
{
while(displayModeIterator->Next(&deckLinkDisplayMode) == S_OK)
{
if (selectedMode == modeCount)
{
OutputGraphic(deckLinkDisplayMode);
deckLinkDisplayMode->Release();
break;
}
deckLinkDisplayMode->Release();
modeCount++;
}
displayModeIterator->Release();
}
}
else
{
printf("Illegal video mode selected\n");
}
}
deckLinkOutput->Release();
}
}
}
deckLinkAttributes->Release();
printf("Press Enter key to exit.\n");
_getch();
}
}
deckLink->Release(); // Release the IDeckLink instance when we've finished with it to prevent leaks
}
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
// If no DeckLink cards were found in the system, inform the users
if (numDevices == 0)
printf("No Blackmagic Design devices were found.\n");
// Uninitalize COM on this thread
CoUninitialize();
return 0;
}
int main (int argc, char* argv[]) {
printf("DeckControl Test Application\n\n");
IDeckLinkIterator* deckLinkIterator;
IDeckLink* deckLink;
int numDevices = 0;
HRESULT result;
fdSerial = -1;
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
fprintf(stderr, "A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return 1;
}
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
CFStringRef deviceNameCFString = NULL;
// Increment the total number of DeckLink cards found
numDevices++;
if (numDevices > 1)
printf("\n\n");
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName(&deviceNameCFString);
if (result == S_OK)
{
IDeckLinkAttributes* deckLinkAttributes;
char deviceName[64];
HRESULT attributeResult;
CFStringRef serialName;
bool serialSupported;
CFStringGetCString(deviceNameCFString, deviceName, sizeof(deviceName), kCFStringEncodingMacRoman);
printf("Found Blackmagic device: %s\n", deviceName);
attributeResult = deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (attributeResult != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkAttributes interface");
}
else
{
attributeResult = deckLinkAttributes->GetFlag(BMDDeckLinkHasSerialPort, &serialSupported); // are serial ports supported on device?
if (attributeResult == S_OK && serialSupported)
{
attributeResult = deckLinkAttributes->GetString(BMDDeckLinkSerialPortDeviceName, &serialName); // get serial port name
if (attributeResult == S_OK)
{
char portName[64];
CFStringGetCString(serialName, portName, sizeof(portName), kCFStringEncodingMacRoman);
printf("Serial port name: %s\n",portName);
if (openSerialDevice((char*)&portName)== true) // open serial port
{
printf("Device opened\n");
playCommand(); // Play deck,
printf("Delay 3 seconds\n");
sleep(3);
timeCodeCommand(); // DisplayTC
printf("Delay 3 seconds\n");
sleep(3);
stopCommand(); // Stop deck
closeSerialDevice(); // close serial port
}
else printf("Device open fail\n");
CFRelease(serialName);
}
else printf("Unable to get serial port device name\n");
}
else printf("Serial port not supported\n");
}
CFRelease(deviceNameCFString); // Release the IDeckLink instance when we've finished with it to prevent leaks
}
deckLink->Release();
}
if (deckLinkIterator) deckLinkIterator->Release();
// If no DeckLink cards were found in the system, inform the user
if (numDevices == 0)
printf("No Blackmagic Design devices were found.\n");
printf("\n");
return 0;
}
void print_attributes (IDeckLink* deckLink)
{
IDeckLinkAttributes* deckLinkAttributes = NULL;
bool supported;
int64_t value;
char * serialPortName = NULL;
HRESULT result;
// Query the DeckLink for its attributes interface
result = deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkAttributes interface - result = %08x\n", result);
goto bail;
}
// List attributes and their value
printf("Attribute list:\n");
result = deckLinkAttributes->GetFlag(BMDDeckLinkHasSerialPort, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "Serial port present ?", (supported == true) ? "Yes" : "No");
if (supported)
{
result = deckLinkAttributes->GetString(BMDDeckLinkSerialPortDeviceName, (const char **) &serialPortName);
if (result == S_OK)
{
printf(" %-40s %s\n", "Serial port name: ", serialPortName);
free(serialPortName);
}
else
{
fprintf(stderr, "Could not query the serial port presence attribute- result = %08x\n", result);
}
}
}
else
{
fprintf(stderr, "Could not query the serial port presence attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetInt(BMDDeckLinkPersistentID, &value);
if (result == S_OK)
{
printf(" %-40s %llx\n", "Device Persistent ID:", value);
}
else
{
printf(" %-40s %s\n", "Device Persistent ID:", "Not Supported on this device");
}
result = deckLinkAttributes->GetInt(BMDDeckLinkTopologicalID, &value);
if (result == S_OK)
{
printf(" %-40s %llx\n", "Device Topological ID:", value);
}
else
{
printf(" %-40s %s\n", "Device Topological ID:", "Not Supported on this device");
}
result = deckLinkAttributes->GetInt(BMDDeckLinkNumberOfSubDevices, &value);
if (result == S_OK)
{
printf(" %-40s %" PRId64 "\n", "Number of sub-devices:", value);
if (value != 0)
{
result = deckLinkAttributes->GetInt(BMDDeckLinkSubDeviceIndex, &value);
if (result == S_OK)
{
printf(" %-40s %" PRId64 "\n", "Sub-device index:", value);
}
else
{
fprintf(stderr, "Could not query the sub-device index attribute- result = %08x\n", result);
}
}
}
else
{
fprintf(stderr, "Could not query the number of sub-device attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetInt(BMDDeckLinkMaximumAudioChannels, &value);
if (result == S_OK)
{
printf(" %-40s %" PRId64 "\n", "Number of audio channels:", value);
}
else
{
fprintf(stderr, "Could not query the number of supported audio channels attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "Input mode detection supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the input mode detection attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsFullDuplex, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "Full duplex operation supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the full duplex operation supported attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInternalKeying, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "Internal keying supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the internal keying attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsExternalKeying, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "External keying supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the external keying attribute- result = %08x\n", result);
}
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsHDKeying, &supported);
if (result == S_OK)
{
printf(" %-40s %s\n", "HD-mode keying supported ?", (supported == true) ? "Yes" : "No");
}
else
{
fprintf(stderr, "Could not query the HD-mode keying attribute- result = %08x\n", result);
}
bail:
printf("\n");
if(deckLinkAttributes != NULL)
deckLinkAttributes->Release();
}