std::vector<std::wstring> get_device_list()
{
std::vector<std::wstring> devices;
struct co_init
{
co_init(){::CoInitialize(nullptr);}
~co_init(){::CoUninitialize();}
} init;
try
{
CComPtr<IDeckLinkIterator> pDecklinkIterator;
if(SUCCEEDED(pDecklinkIterator.CoCreateInstance(CLSID_CDeckLinkIterator)))
{
IDeckLink* decklink;
for(int n = 1; pDecklinkIterator->Next(&decklink) == S_OK; ++n)
{
BSTR model_name = L"Unknown";
decklink->GetModelName(&model_name);
decklink->Release();
devices.push_back(std::wstring(model_name) + L" [" + boost::lexical_cast<std::wstring>(n) + L"]");
}
}
}
catch(...){}
return devices;
}
//
// Get a list of the names of the cards
//
int dl_list_devices( CaptureCardList *cards ){
IDeckLinkIterator* deckLinkIterator;
IDeckLink* deckLink;
int numDevices = 0;
HRESULT result;
// 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 0;
}
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
char * deviceNameString = NULL;
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName((const char **) &deviceNameString);
if (result == S_OK){
if(numDevices < MAX_CAPTURE_LIST_ITEMS){
strcpy(cards->item[numDevices],deviceNameString);
}
numDevices++;
free(deviceNameString);
}
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
cards->items = numDevices;
return numDevices;
}
VideoConsumerPtr DecklinkVideoConsumer::Create() {
VideoConsumerPtr pResult;
CComPtr<IDeckLinkIterator> pDecklinkIterator;
HRESULT result = pDecklinkIterator.CoCreateInstance(CLSID_CDeckLinkIterator);
if(FAILED(result)) {
LOG << TEXT("No Decklink drivers installed");
return pResult;
}
CComPtr<IDeckLink> pDecklink;
IDeckLink* pTempDecklink = NULL;
while(pDecklinkIterator->Next(&pTempDecklink) == S_OK) {
if(pDecklink == NULL)
pDecklink = pTempDecklink;
if(pTempDecklink)
pTempDecklink->Release();
pTempDecklink = NULL;
}
if(pDecklink == NULL) {
LOG << TEXT("No Decklink card found");
return pResult;
}
ImplementationPtr pImpl(new Implementation(pDecklink));
pResult.reset(new DecklinkVideoConsumer(pImpl));
if(pResult != 0 && pResult->SetupDevice(0) == false)
pResult.reset();
return pResult;
}
int krad_decklink_cpp_detect_devices () {
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int device_count;
//HRESULT result;
device_count = 0;
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL) {
printke ("krad_decklink_detect_devices: The DeckLink drivers may not be installed.");
return 0;
}
while (deckLinkIterator->Next(&deckLink) == S_OK) {
device_count++;
deckLink->Release();
}
deckLinkIterator->Release();
return device_count;
}
int old_main (int argc, char** argv)
{
IDeckLinkIterator* deckLinkIterator;
IDeckLink* deckLink;
int numDevices = 0;
HRESULT result;
// 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)
{
char * deviceNameString = 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((const char **) &deviceNameString);
if (result == S_OK)
{
printf("=============== %s ===============\n\n", deviceNameString);
free(deviceNameString);
}
print_attributes(deckLink);
// ** List the video output display modes supported by the card
print_output_modes(deckLink);
// ** List the video input display modes supported by the card
print_input_modes(deckLink);
// ** List the input and output capabilities of the card
print_capabilities(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
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;
}
static void
init_devices (void)
{
IDeckLinkIterator *iterator;
IDeckLink *decklink = NULL;
HRESULT ret;
int i;
static gboolean inited = FALSE;
if (inited) return;
inited = TRUE;
iterator = CreateDeckLinkIteratorInstance ();
if (iterator == NULL) {
GST_ERROR ("no driver");
return;
}
i = 0;
ret = iterator->Next (&decklink);
while (ret == S_OK) {
devices[i].decklink = decklink;
ret = decklink->QueryInterface (IID_IDeckLinkInput,
(void **) &devices[i].input);
if (ret != S_OK) {
GST_WARNING ("selected device does not have input interface");
}
ret = decklink->QueryInterface (IID_IDeckLinkOutput,
(void **) &devices[i].output);
if (ret != S_OK) {
GST_WARNING ("selected device does not have output interface");
}
ret = decklink->QueryInterface (IID_IDeckLinkConfiguration,
(void **) &devices[i].config);
if (ret != S_OK) {
GST_WARNING ("selected device does not have config interface");
}
ret = iterator->Next (&decklink);
i++;
if (i == 10) {
GST_WARNING ("this hardware has more then 10 devices");
break;
}
}
n_devices = i;
iterator->Release();
}
vector<ofVideoDevice> ofxBlackmagicGrabber::listDevices() {
IDeckLinkIterator* deckLinkIterator;
IDeckLink* deckLink;
int numDevices = 0;
HRESULT result;
vector<ofVideoDevice> devices;
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL){
ofLogError(LOG_NAME) << "A DeckLink iterator could not be created. The DeckLink drivers may not be installed.";
}
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK){
CFStringRef deviceNameString;
// 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(&deviceNameString);
if (result == S_OK)
{
printf("=============== %s ===============\n\n", deviceNameString);
// free(deviceNameString);
}
print_attributes(deckLink);
// ** List the video output display modes supported by the card
print_output_modes(deckLink);
// ** List the input and output capabilities of the card
print_capabilities(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
// If no DeckLink cards were found in the system, inform the user
if (numDevices == 0)
ofLogError(LOG_NAME) << "No Blackmagic Design devices were found.";
return devices;
}
void VideoReceiverInterface::cameraFunction(bool useCompositeInput){
IDeckLink *deckLink;
IDeckLinkInput *deckLinkInput;
BMDVideoInputFlags inputFlags = 0;
BMDDisplayMode displayMode;
if (useCompositeInput){
displayMode = bmdModeNTSC;
} else {
displayMode = bmdModeHD1080i5994;
}
BMDPixelFormat pixelFormat = bmdFormat8BitYUV;
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
DEBUG("Creating decklink iterator...");
if (deckLinkIterator == 0 ){
cerr << "\n\tUnable to create DeckLink Iterator. Video analysis will be disabled.\n\n";
return;
}
DEBUG("Creating decklink object...");
if ( deckLinkIterator->Next(&deckLink) != S_OK ) {
Log::error("\n\tCould not create decklink object. Video analysis will be disabled\n");
return;
}
DEBUG("Querying decklink interface...");
if ( deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput) != S_OK ) {
Log::error("\n\tCould not find a decklink interface. Video analysis will be disabled\n");
return;
}
DEBUG("Registering decklink input callback...");
if ( deckLinkInput->SetCallback(new VideoCallback(this)) != S_OK ) {
Log::error("\n\tCould not set the decklink callback. Video analysis will be disabled\n");
return;
}
DEBUG("Enabling video input...");
if ( deckLinkInput->EnableVideoInput(displayMode,pixelFormat,inputFlags) != S_OK ) {
Log::error("\n\tCould not enable video input. Video analysis will be disabled\n");
return;
}
DEBUG("Starting streams...");
if ( deckLinkInput->StartStreams() != S_OK ) {
Log::error("\n\tCould not start streams. Video analysis will be disabled\n");
return;
}
}
void open_input(unsigned int norm) {
IDeckLinkDisplayModeIterator *it;
assert(deckLink != NULL);
assert(norm < sizeof(norms) / sizeof(struct decklink_norm));
if (deckLink->QueryInterface(IID_IDeckLinkInput,
(void **) &deckLinkInput) != S_OK) {
throw std::runtime_error(
"DeckLink input: failed to get IDeckLinkInput"
);
}
if (deckLinkInput->GetDisplayModeIterator(&it) != S_OK) {
throw std::runtime_error(
"DeckLink input: failed to get display mode iterator"
);
}
dominance = find_dominance(norms[norm].mode, it);
it->Release( );
if (deckLinkInput->EnableVideoInput(norms[norm].mode,
bpf, 0) != S_OK) {
throw std::runtime_error(
"DeckLink input: failed to enable video input"
);
}
fprintf(stderr, "DeckLink: opening input using norm %s\n",
norms[norm].name);
}
int main (int argc, char * const argv[])
{
IDeckLink *deckLink = getFirstDeckLinkCard();
if (deckLink)
{
CaptureHelper helper(deckLink);
if (helper.init())
{
helper.doCapture();
}
deckLink->Release();
}
return 0;
}
void select_input_connection(unsigned int input) {
IDeckLinkConfiguration *config;
assert(deckLink != NULL);
assert(input < sizeof(connections)
/ sizeof(struct decklink_connection));
if (deckLink->QueryInterface(IID_IDeckLinkConfiguration,
(void**) &config) != S_OK) {
throw std::runtime_error(
"DeckLink input: get IDeckLinkConfiguration failed"
);
}
if (config->SetInt(bmdDeckLinkConfigVideoInputConnection,
connections[input].connection) != S_OK) {
throw std::runtime_error(
"DeckLink input: set input connection failed"
);
}
fprintf(stderr, "DeckLink: input connection set to %s\n",
connections[input].name);
config->Release( );
}
// Listen for the list_devices property to be set
static void on_property_changed( void*, mlt_properties properties, const char *name )
{
IDeckLinkIterator* decklinkIterator = NULL;
IDeckLink* decklink = NULL;
IDeckLinkInput* decklinkInput = NULL;
int i = 0;
if ( name && !strcmp( name, "list_devices" ) )
mlt_event_block( (mlt_event) mlt_properties_get_data( properties, "list-devices-event", NULL ) );
else
return;
#ifdef WIN32
if ( FAILED( CoInitialize( NULL ) ) )
return;
if ( FAILED( CoCreateInstance( CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**) &decklinkIterator ) ) )
return;
#else
if ( !( decklinkIterator = CreateDeckLinkIteratorInstance() ) )
return;
#endif
for ( ; decklinkIterator->Next( &decklink ) == S_OK; i++ )
{
if ( decklink->QueryInterface( IID_IDeckLinkInput, (void**) &decklinkInput ) == S_OK )
{
DLString name = NULL;
if ( decklink->GetModelName( &name ) == S_OK )
{
char *name_cstr = getCString( name );
const char *format = "device.%d";
char *key = (char*) calloc( 1, strlen( format ) + 1 );
sprintf( key, format, i );
mlt_properties_set( properties, key, name_cstr );
free( key );
freeDLString( name );
freeCString( name_cstr );
}
SAFE_RELEASE( decklinkInput );
}
SAFE_RELEASE( decklink );
}
SAFE_RELEASE( decklinkIterator );
mlt_properties_set_int( properties, "devices", i );
}
bool open( unsigned card = 0 )
{
IDeckLinkIterator* decklinkIterator = NULL;
try
{
#ifdef WIN32
HRESULT result = CoInitialize( NULL );
if ( FAILED( result ) )
throw "COM initialization failed";
result = CoCreateInstance( CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**) &decklinkIterator );
if ( FAILED( result ) )
throw "The DeckLink drivers are not installed.";
#else
decklinkIterator = CreateDeckLinkIteratorInstance();
if ( !decklinkIterator )
throw "The DeckLink drivers are not installed.";
#endif
// Connect to the Nth DeckLink instance
for ( unsigned i = 0; decklinkIterator->Next( &m_decklink ) == S_OK ; i++)
{
if ( i == card )
break;
else
SAFE_RELEASE( m_decklink );
}
SAFE_RELEASE( decklinkIterator );
if ( !m_decklink )
throw "DeckLink card not found.";
// Get the input interface
if ( m_decklink->QueryInterface( IID_IDeckLinkInput, (void**) &m_decklinkInput ) != S_OK )
throw "No DeckLink cards support input.";
// Provide this class as a delegate to the input callback
m_decklinkInput->SetCallback( this );
// Initialize other members
pthread_mutex_init( &m_mutex, NULL );
pthread_cond_init( &m_condition, NULL );
m_queue = mlt_deque_init();
m_started = false;
m_dropped = 0;
m_isBuffering = true;
m_cache = mlt_cache_init();
// 3 covers YADIF and increasing framerate use cases
mlt_cache_set_size( m_cache, 3 );
}
catch ( const char *error )
{
SAFE_RELEASE( m_decklinkInput );
SAFE_RELEASE( m_decklink );
mlt_log_error( getProducer(), "%s\n", error );
return false;
}
return true;
}
int main (int argc, char * const argv[])
{
IDeckLink *deckLink = getFirstDeckLinkCard();
if (deckLink)
{
ETTHelper* helper = new ETTHelper(deckLink);
if (helper->init())
{
helper->doExport();
}
deckLink->Release();
helper->Release();
}
return 0;
}
~DeckLinkConsumer()
{
if ( m_deckLinkOutput )
m_deckLinkOutput->Release();
if ( m_deckLink )
m_deckLink->Release();
if ( m_videoFrameQ )
mlt_deque_close( m_videoFrameQ );
}
QStringList BMDOutputDelegate::enumDeviceNames(bool forceReload)
{
if(!s_knownDevices.isEmpty())
{
if(!forceReload)
return s_knownDevices;
else
s_knownDevices.clear();
}
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
fprintf(stderr, "BMDCaptureDelegate::enumDeviceNames: A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return QStringList();
}
IDeckLink *deckLink;
IDeckLinkInput *deckLinkOutput;
int index = 0;
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
if (deckLink->QueryInterface(IID_IDeckLinkOutput, (void**)&deckLinkOutput) == S_OK)
{
s_knownDevices << QString("bmd:%1").arg(index);
deckLinkOutput->Release();
deckLinkOutput = NULL;
}
index ++;
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
return s_knownDevices;
}
int ff_decklink_list_devices(AVFormatContext *avctx)
{
IDeckLink *dl = NULL;
IDeckLinkIterator *iter = CreateDeckLinkIteratorInstance();
if (!iter) {
av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator\n");
return AVERROR(EIO);
}
av_log(avctx, AV_LOG_INFO, "Blackmagic DeckLink devices:\n");
while (iter->Next(&dl) == S_OK) {
const char *displayName;
ff_decklink_get_display_name(dl, &displayName);
av_log(avctx, AV_LOG_INFO, "\t'%s'\n", displayName);
av_free((void *) displayName);
dl->Release();
}
iter->Release();
return 0;
}
bool open( unsigned card = 0 )
{
IDeckLinkIterator* deckLinkIterator = CreateDeckLinkIteratorInstance();
unsigned i = 0;
if ( !deckLinkIterator )
{
mlt_log_verbose( NULL, "The DeckLink drivers not installed.\n" );
return false;
}
// Connect to the Nth DeckLink instance
do {
if ( deckLinkIterator->Next( &m_deckLink ) != S_OK )
{
mlt_log_verbose( NULL, "DeckLink card not found\n" );
deckLinkIterator->Release();
return false;
}
} while ( ++i <= card );
// Obtain the audio/video output interface (IDeckLinkOutput)
if ( m_deckLink->QueryInterface( IID_IDeckLinkOutput, (void**)&m_deckLinkOutput ) != S_OK )
{
mlt_log_verbose( NULL, "No DeckLink cards support output\n" );
m_deckLink->Release();
m_deckLink = 0;
deckLinkIterator->Release();
return false;
}
// Provide this class as a delegate to the audio and video output interfaces
m_deckLinkOutput->SetScheduledFrameCompletionCallback( this );
m_deckLinkOutput->SetAudioCallback( this );
pthread_mutex_init( &m_mutex, NULL );
pthread_cond_init( &m_condition, NULL );
m_maxAudioBuffer = bmdAudioSampleRate48kHz;
m_videoFrameQ = mlt_deque_init();
return true;
}
int ff_decklink_init_device(AVFormatContext *avctx, const char* name)
{
struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
IDeckLink *dl = NULL;
IDeckLinkIterator *iter = CreateDeckLinkIteratorInstance();
if (!iter) {
av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator\n");
return AVERROR_EXTERNAL;
}
while (iter->Next(&dl) == S_OK) {
const char *displayName;
ff_decklink_get_display_name(dl, &displayName);
if (!strcmp(name, displayName)) {
av_free((void *)displayName);
ctx->dl = dl;
break;
}
av_free((void *)displayName);
dl->Release();
}
iter->Release();
if (!ctx->dl)
return AVERROR(ENXIO);
if (ctx->dl->QueryInterface(IID_IDeckLinkConfiguration, (void **)&ctx->cfg) != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get configuration interface for '%s'\n", name);
ff_decklink_cleanup(avctx);
return AVERROR_EXTERNAL;
}
if (ctx->dl->QueryInterface(IID_IDeckLinkAttributes, (void **)&ctx->attr) != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get attributes interface for '%s'\n", name);
ff_decklink_cleanup(avctx);
return AVERROR_EXTERNAL;
}
return 0;
}
IDeckLink* BMDConfig::GetDeckLink(int idx)
{
HRESULT result;
IDeckLink* deckLink;
IDeckLinkIterator* deckLinkIterator = CreateDeckLinkIteratorInstance();
int i = idx;
while((result = deckLinkIterator->Next(&deckLink)) == S_OK)
{
if (i == 0)
break;
--i;
deckLink->Release();
}
deckLinkIterator->Release();
if (result != S_OK)
return NULL;
return deckLink;
}
void configure_card( ) {
IDeckLinkConfiguration *config;
assert(deckLink != NULL);
if (deckLink->QueryInterface(IID_IDeckLinkConfiguration,
(void**) &config) != S_OK) {
throw std::runtime_error(
"DeckLink output: get IDeckLinkConfiguration failed"
);
}
if (config->SetInt(bmdDeckLinkConfigLowLatencyVideoOutput, true)
!= S_OK) {
fprintf(stderr, "DeckLink output: warning: "
"cannot enable low-latency mode\n"
);
}
if (config->SetInt(bmdDeckLinkConfigVideoOutputConversionMode,
bmdVideoOutputHardwareLetterboxDownconversion) != S_OK) {
fprintf(stderr, "DeckLink output: warning: "
"cannot enable hardware letterboxing\n");
}
if (config->SetInt(bmdDeckLinkConfigBypass, -1) != S_OK) {
fprintf(stderr, "DeckLink output: warning: "
"cannot deactivate card bypass relay\n"
);
}
/* throw outputs at wall, see what sticks :) */
#if 0
config->SetInt(bmdDeckLinkConfigVideoOutputConnection,
bmdVideoConnectionSDI);
config->SetInt(bmdDeckLinkConfigVideoOutputConnection,
bmdVideoConnectionHDMI);
config->SetInt(bmdDeckLinkConfigVideoOutputConnection,
bmdVideoConnectionComponent);
config->SetInt(bmdDeckLinkConfigVideoOutputConnection,
bmdVideoConnectionComposite);
config->SetInt(bmdDeckLinkConfigVideoOutputConnection,
bmdVideoConnectionSVideo);
#endif
config->Release( );
}
BMDOutputDelegate *BMDOutputDelegate::openDevice(QString deviceName)
{
if(enumDeviceNames().indexOf(deviceName) < 0)
return 0;
QString name = deviceName.replace("bmd:","");
int cardNum = name.toInt();
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
qDebug() << "BMDOutputDelegate::openDevice: A DeckLink iterator could not be created. The DeckLink drivers may not be installed.";
return 0;
}
int index = 0;
IDeckLink* deckLink;
// Find the card requested
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
if(index == cardNum)
return new BMDOutputDelegate(deckLink);
index ++;
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
return 0;
}
void open_card( ) {
IDeckLinkDisplayModeIterator *it;
/* get the DeckLinkOutput interface */
if (deckLink->QueryInterface(IID_IDeckLinkOutput,
(void **)&deckLinkOutput) != S_OK) {
throw std::runtime_error(
"Failed to get DeckLink output interface handle"
);
}
if (deckLinkOutput->SetScheduledFrameCompletionCallback(this)
!= S_OK) {
throw std::runtime_error(
"Failed to set DeckLink frame completion callback"
);
}
/* attempt to determine field dominance */
if (deckLinkOutput->GetDisplayModeIterator(&it) != S_OK) {
throw std::runtime_error(
"DeckLink output: failed to get display mode iterator"
);
}
dominance = find_dominance(norms[norm].mode, it);
it->Release( );
/* and we're off to the races */
if (deckLinkOutput->EnableVideoOutput(norms[norm].mode,
bmdVideoOutputFlagDefault) != S_OK) {
throw std::runtime_error(
"Failed to enable DeckLink video output"
);
}
}
void select_audio_input_connection( ) {
IDeckLinkConfiguration *config;
assert(deckLink != NULL);
if (deckLink->QueryInterface(IID_IDeckLinkConfiguration,
(void**) &config) != S_OK) {
throw std::runtime_error(
"DeckLink input: get IDeckLinkConfiguration failed"
);
}
if (config->SetInt(bmdDeckLinkConfigAudioInputConnection,
bmdAudioConnectionEmbedded) != S_OK) {
throw std::runtime_error(
"DeckLink input: set embedded audio input failed"
);
}
config->Release( );
}
OFX_DECKLINK_API_BEGIN_NAMESPACE
vector<Device> listDevice()
{
vector<Device> devinfo;
IDeckLinkIterator* deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
ofLogError("ofxDeckLinkAPI::Monitor") << "This application requires the DeckLink drivers installed." << "\n" << "Please install the Blackmagic DeckLink drivers to use the features of this application.";
}
cout << "==== ofxDeckLinkAPI::listDevice() ====" << endl;
IDeckLink* deckLink = NULL;
HRESULT result;
int num_device = 0;
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
Device dev;
CFStringRef deviceNameCFString = NULL;
result = deckLink->GetModelName(&deviceNameCFString);
if (result == S_OK)
{
char deviceName[64];
CFStringGetCString(deviceNameCFString, deviceName, sizeof(deviceName), kCFStringEncodingUTF8);
cout << num_device << ": " << deviceName;
CFRelease(deviceNameCFString);
dev.model_name = (string)deviceName;
}
IDeckLinkAttributes* attr = NULL;
deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&attr);
if (attr != NULL) {
{
int64_t v = 0;
if (attr->GetInt(BMDDeckLinkPersistentID, &v) == S_OK) {
dev.persistent_id = v;
cout << ", pid:" << v;
}
}
{
int64_t v = 0;
if (attr->GetInt(BMDDeckLinkTopologicalID, &v) == S_OK) {
dev.topological_id = v;
cout << ", tid:" << v;
}
}
}
cout << endl;
devinfo.push_back(dev);
deckLink->Release();
num_device++;
}
if (num_device == 0)
cout << "device not found" << endl;
cout << "======================================" << endl << endl;
if (deckLinkIterator != NULL)
{
deckLinkIterator->Release();
deckLinkIterator = NULL;
}
return devinfo;
}
int usage(int status)
{
HRESULT result;
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int numDevices = 0;
fprintf(stderr,
"Usage: bmdplay -m <mode id> [OPTIONS]\n"
"\n"
" -m <mode id>:\n"
);
// 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) {
BMDProbeString str;
// 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(&str);
if (result == S_OK) {
printf("-> %s (-C %d )\n\n",
ToStr(str),
numDevices - 1);
FreeStr(str);
}
print_output_modes(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
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");
fprintf(
stderr,
" -f <filename> Filename raw video will be written to\n"
" -C <num> Card number to be used\n"
" -b <num> Milliseconds of pre-buffering before playback (default = 2000 ms)\n"
" -p <pixel> PixelFormat Depth (8 or 10 - default is 8)\n"
" -O <output> Output connection:\n"
" 1: Composite video + analog audio\n"
" 2: Components video + analog audio\n"
" 3: HDMI video + audio\n"
" 4: SDI video + audio\n\n");
return status;
}
void krad_decklink_cpp_get_device_name (int device_num, char *device_name) {
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int device_count;
HRESULT result;
#ifdef IS_LINUX
char *device_name_temp;
#endif
#ifdef IS_MACOSX
CFStringRef device_name_temp;
#endif
device_name_temp = NULL;
device_count = 0;
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL) {
printke ("krad_decklink_detect_devices: The DeckLink drivers may not be installed.");
return;
}
while (deckLinkIterator->Next(&deckLink) == S_OK) {
if (device_count == device_num) {
#ifdef IS_LINUX
result = deckLink->GetModelName((const char **) &device_name_temp);
if (result == S_OK) {
strcpy(device_name, device_name_temp);
free(device_name_temp);
#endif
#ifdef IS_MACOSX
result = deckLink->GetModelName(&device_name_temp);
if (result == S_OK) {
CFStringGetCString(device_name_temp, device_name, 64, kCFStringEncodingMacRoman);
CFRelease(device_name_temp);
#endif
} else {
strcpy(device_name, "Unknown Error in GetModelName");
}
deckLink->Release();
deckLinkIterator->Release();
return;
}
device_count++;
deckLink->Release();
}
deckLinkIterator->Release();
sprintf(device_name, "Could not get a device name for device %d", device_num);
return;
}
}
void krad_decklink_capture_info () {
IDeckLink *deckLink;
IDeckLinkInput *deckLinkInput;
IDeckLinkIterator *deckLinkIterator;
IDeckLinkDisplayModeIterator *displayModeIterator;
IDeckLinkDisplayMode *displayMode;
HRESULT result;
int displayModeCount;
char *displayModeString;
displayModeString = NULL;
displayModeCount = 0;
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (!deckLinkIterator) {
printke ("Krad Decklink: This application requires the DeckLink drivers installed.\n");
}
/* Connect to the first DeckLink instance */
result = deckLinkIterator->Next(&deckLink);
if (result != S_OK) {
printke ("Krad Decklink: No DeckLink PCI cards found.\n");
}
result = deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput);
if (result != S_OK) {
printke ("Krad Decklink: Fail QueryInterface\n");
}
result = deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK) {
printke ("Krad Decklink: Could not obtain the video output display mode iterator - result = %08x\n", result);
}
while (displayModeIterator->Next(&displayMode) == S_OK) {
result = displayMode->GetName((const char **) &displayModeString);
if (result == S_OK) {
BMDTimeValue frameRateDuration, frameRateScale;
displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
printkd ("%2d: %-20s \t %li x %li \t %g FPS\n",
displayModeCount, displayModeString, displayMode->GetWidth(), displayMode->GetHeight(),
(double)frameRateScale / (double)frameRateDuration);
free (displayModeString);
displayModeCount++;
}
displayMode->Release();
}
if (displayModeIterator != NULL) {
displayModeIterator->Release();
displayModeIterator = NULL;
}
if (deckLinkInput != NULL) {
deckLinkInput->Release();
deckLinkInput = NULL;
}
if (deckLink != NULL) {
deckLink->Release();
deckLink = NULL;
}
if (deckLinkIterator != NULL) {
deckLinkIterator->Release();
}
}
int usage(int status)
{
HRESULT result;
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int numDevices = 0;
// int displayModeCount = 0;
fprintf(stderr,
"Usage: bmdcapture -m <mode id> [OPTIONS]\n"
"\n"
" -m <mode id>:\n"
);
// 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) {
BMDProbeString str;
// 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(&str);
if (result == S_OK) {
printf("-> %s (-C %d )\n\n",
ToStr(str),
numDevices - 1);
FreeStr(str);
}
print_output_modes(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
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");
/*
* if (displayModeIterator)
* {
* // we try to print out some useful information about the chosen
* // card, but this only works if a card has been selected successfully
*
* while (displayModeIterator->Next(&displayMode) == S_OK)
* {
* char * displayModeString = NULL;
*
* result = displayMode->GetName((const char **) &displayModeString);
* if (result == S_OK)
* {
* BMDTimeValue frameRateDuration, frameRateScale;
* displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
* fprintf(stderr, " %2d: %-20s \t %li x %li \t %g FPS\n",
* displayModeCount, displayModeString, displayMode->GetWidth(), displayMode->GetHeight(), (double)frameRateScale / (double)frameRateDuration);
* free(displayModeString);
* displayModeCount++;
* }
*
* // Release the IDeckLinkDisplayMode object to prevent a leak
* displayMode->Release();
* }
* }
*/
fprintf(
stderr,
" -v Be verbose (report each 25 frames)\n"
" -f <filename> Filename raw video will be written to\n"
" -F <format> Define the file format to be used\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"
" -p <pixel> PixelFormat Depth (8 or 10 - default is 8)\n"
" -n <frames> Number of frames to capture (default is unlimited)\n"
" -M <memlimit> Maximum queue size in GB (default is 1 GB)\n"
" -C <num> number of card to be used\n"
" -S <serial_device> data input serial\n"
" -A <audio-in> Audio input:\n"
" 1: Analog (RCA or XLR)\n"
" 2: Embedded Audio (HDMI/SDI)\n"
" 3: Digital Audio (AES/EBU)\n"
" -V <video-in> Video input:\n"
" 1: Composite\n"
" 2: Component\n"
" 3: HDMI\n"
" 4: SDI\n"
" 5: Optical SDI\n"
" 6: S-Video\n"
" -o <optionstring> AVFormat options\n"
"Capture video and audio to a file. Raw video and audio can be sent to a pipe to avconv or vlc e.g.:\n"
"\n"
" bmdcapture -m 2 -A 1 -V 1 -F nut -f pipe:1\n\n\n"
);
exit(status);
}
bool OpenGLComposite::InitDeckLink()
{
bool bSuccess = false;
IDeckLinkIterator* pDLIterator = NULL;
IDeckLink* pDL = NULL;
IDeckLinkDisplayModeIterator* pDLDisplayModeIterator = NULL;
IDeckLinkDisplayMode* pDLDisplayMode = NULL;
BMDDisplayMode displayMode = bmdModeHD1080i5994; // mode to use for capture and playout
float fps;
HRESULT result;
result = CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**)&pDLIterator);
if (FAILED(result))
{
MessageBox(NULL, _T("Please install the Blackmagic DeckLink drivers to use the features of this application."), _T("This application requires the DeckLink drivers installed."), MB_OK);
return false;
}
while (pDLIterator->Next(&pDL) == S_OK)
{
// Use first board found as capture device, second board will be playout device
if (! mDLInput)
{
if (pDL->QueryInterface(IID_IDeckLinkInput, (void**)&mDLInput) != S_OK)
goto error;
}
else if (! mDLOutput)
{
if (pDL->QueryInterface(IID_IDeckLinkOutput, (void**)&mDLOutput) != S_OK)
goto error;
}
}
if (! mDLOutput || ! mDLInput)
{
MessageBox(NULL, _T("Expected both Input and Output DeckLink devices"), _T("This application requires two DeckLink devices."), MB_OK);
goto error;
}
if (mDLOutput->GetDisplayModeIterator(&pDLDisplayModeIterator) != S_OK)
{
MessageBox(NULL, _T("Cannot get Display Mode Iterator."), _T("DeckLink error."), MB_OK);
goto error;
}
while (pDLDisplayModeIterator->Next(&pDLDisplayMode) == S_OK)
{
if (pDLDisplayMode->GetDisplayMode() == displayMode)
break;
pDLDisplayMode->Release();
pDLDisplayMode = NULL;
}
pDLDisplayModeIterator->Release();
if (pDLDisplayMode == NULL)
{
MessageBox(NULL, _T("Cannot get specified BMDDisplayMode."), _T("DeckLink error."), MB_OK);
goto error;
}
mFrameWidth = pDLDisplayMode->GetWidth();
mFrameHeight = pDLDisplayMode->GetHeight();
if (! CheckOpenGLExtensions())
goto error;
if (! InitOpenGLState())
goto error;
// Compute a rotate angle rate so box will spin at a rate independent of video mode frame rate
pDLDisplayMode->GetFrameRate(&mFrameDuration, &mFrameTimescale);
fps = (float)mFrameTimescale / (float)mFrameDuration;
mRotateAngleRate = 35.0f / fps; // rotate box through 35 degrees every second
// Resize window to match video frame, but scale large formats down by half for viewing
if (mFrameWidth < 1920)
resizeWindow(mFrameWidth, mFrameHeight);
else
resizeWindow(mFrameWidth / 2, mFrameHeight / 2);
if (mFastTransferExtensionAvailable)
{
// Initialize fast video frame transfers
if (! VideoFrameTransfer::initialize(mFrameWidth, mFrameHeight, mCaptureTexture, mFBOTexture))
{
MessageBox(NULL, _T("Cannot initialize video transfers."), _T("VideoFrameTransfer error."), MB_OK);
goto error;
}
}
// Capture will use a user-supplied frame memory allocator
mCaptureAllocator = new PinnedMemoryAllocator(hGLDC, hGLRC, VideoFrameTransfer::CPUtoGPU, 3);
if (mDLInput->SetVideoInputFrameMemoryAllocator(mCaptureAllocator) != S_OK)
goto error;
if (mDLInput->EnableVideoInput(displayMode, bmdFormat8BitYUV, bmdVideoInputFlagDefault) != S_OK)
goto error;
mCaptureDelegate = new CaptureDelegate(this);
if (mDLInput->SetCallback(mCaptureDelegate) != S_OK)
goto error;
// Playout will use a user-supplied frame memory allocator
mPlayoutAllocator = new PinnedMemoryAllocator(hGLDC, hGLRC, VideoFrameTransfer::GPUtoCPU, 1);
if (mDLOutput->SetVideoOutputFrameMemoryAllocator(mPlayoutAllocator) != S_OK)
goto error;
if (mDLOutput->EnableVideoOutput(displayMode, bmdVideoOutputFlagDefault) != S_OK)
goto error;
// Create a queue of 10 IDeckLinkMutableVideoFrame objects to use for scheduling output video frames.
// The ScheduledFrameCompleted() callback will immediately schedule a new frame using the next video frame from this queue.
for (int i = 0; i < 10; i++)
{
// The frame read back from the GPU frame buffer and used for the playout video frame is in BGRA format.
// The BGRA frame will be converted on playout to YCbCr either in hardware on most DeckLink cards or in software
// within the DeckLink API for DeckLink devices without this hardware conversion.
// If you want RGB 4:4:4 format to be played out "over the wire" in SDI, turn on the "Use 4:4:4 SDI" in the control
// panel or turn on the bmdDeckLinkConfig444SDIVideoOutput flag using the IDeckLinkConfiguration interface.
IDeckLinkMutableVideoFrame* outputFrame;
if (mDLOutput->CreateVideoFrame(mFrameWidth, mFrameHeight, mFrameWidth*4, bmdFormat8BitBGRA, bmdFrameFlagFlipVertical, &outputFrame) != S_OK)
goto error;
mDLOutputVideoFrameQueue.push_back(outputFrame);
}
mPlayoutDelegate = new PlayoutDelegate(this);
if (mPlayoutDelegate == NULL)
goto error;
if (mDLOutput->SetScheduledFrameCompletionCallback(mPlayoutDelegate) != S_OK)
goto error;
bSuccess = true;
error:
if (!bSuccess)
{
if (mDLInput != NULL)
{
mDLInput->Release();
mDLInput = NULL;
}
if (mDLOutput != NULL)
{
mDLOutput->Release();
mDLOutput = NULL;
}
}
if (pDL != NULL)
{
pDL->Release();
pDL = NULL;
}
if (pDLIterator != NULL)
{
pDLIterator->Release();
pDLIterator = NULL;
}
return bSuccess;
}
