IDeckLink * gst_decklink_get_nth_device (int n) { IDeckLinkIterator *iterator; IDeckLink *decklink = NULL; HRESULT ret; int i; iterator = CreateDeckLinkIteratorInstance (); if (iterator == NULL) { GST_ERROR ("no driver"); return NULL; } ret = iterator->Next (&decklink); if (ret != S_OK) { GST_ERROR ("no card"); return NULL; } for (i = 0; i < n; i++) { ret = iterator->Next (&decklink); if (ret != S_OK) { GST_ERROR ("no card"); return NULL; } } return decklink; }
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(); }
bool DeckLinkController::init() { IDeckLinkIterator* deckLinkIterator = NULL; IDeckLink* deckLink = NULL; bool result = false; // Create an iterator deckLinkIterator = CreateDeckLinkIteratorInstance(); if (deckLinkIterator == NULL) { ofLogError("DeckLinkController") << "Please install the Blackmagic Desktop Video drivers to use the features of this application."; goto bail; } // List all DeckLink devices while (deckLinkIterator->Next(&deckLink) == S_OK) { // Add device to the device list deviceList.push_back(deckLink); } if (deviceList.size() == 0) { ofLogError("DeckLinkController") << "You will not be able to use the features of this application until a Blackmagic device is installed."; goto bail; } result = true; bail: if (deckLinkIterator != NULL) { deckLinkIterator->Release(); deckLinkIterator = NULL; } return result; }
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; }
// // 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; }
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; }
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; }
static gboolean gst_decklink_sink_start (GstDecklinkSink * decklinksink) { IDeckLinkIterator *iterator; HRESULT ret; const GstDecklinkMode *mode; BMDAudioSampleType sample_depth; iterator = CreateDeckLinkIteratorInstance (); if (iterator == NULL) { GST_ERROR ("no driver"); return FALSE; } ret = iterator->Next (&decklinksink->decklink); if (ret != S_OK) { GST_ERROR ("no card"); return FALSE; } ret = decklinksink->decklink->QueryInterface (IID_IDeckLinkOutput, (void **) &decklinksink->output); if (ret != S_OK) { GST_ERROR ("no output"); return FALSE; } decklinksink->output->SetAudioCallback (decklinksink->callback); mode = gst_decklink_get_mode (decklinksink->mode); ret = decklinksink->output->EnableVideoOutput (mode->mode, bmdVideoOutputFlagDefault); if (ret != S_OK) { GST_ERROR ("failed to enable video output"); return FALSE; } //decklinksink->video_enabled = TRUE; decklinksink->output-> SetScheduledFrameCompletionCallback (decklinksink->callback); sample_depth = bmdAudioSampleType16bitInteger; ret = decklinksink->output->EnableAudioOutput (bmdAudioSampleRate48kHz, sample_depth, 2, bmdAudioOutputStreamContinuous); if (ret != S_OK) { GST_ERROR ("failed to enable audio output"); return FALSE; } decklinksink->audio_buffer = gst_buffer_new (); decklinksink->num_frames = 0; return TRUE; }
bool BMDOpenGLOutput::InitDeckLink() { bool bSuccess = FALSE; IDeckLinkIterator* pDLIterator = NULL; pDLIterator = CreateDeckLinkIteratorInstance(); if (pDLIterator == NULL) { QMessageBox::critical(NULL,"This application requires the DeckLink drivers installed.", "Please install the Blackmagic DeckLink drivers to use the features of this application."); goto error; } if (pDLIterator->Next(&pDL) != S_OK) { QMessageBox::critical(NULL,"This application requires a DeckLink device.", "You will not be able to use the features of this application until a DeckLink device is installed."); goto error; } if (pDL->QueryInterface(IID_IDeckLinkOutput, (void**)&pDLOutput) != S_OK) goto error; pRenderDelegate = new RenderDelegate(this); if (pRenderDelegate == NULL) goto error; if (pDLOutput->SetScheduledFrameCompletionCallback(pRenderDelegate) != S_OK) goto error; bSuccess = TRUE; error: if (!bSuccess) { if (pDLOutput != NULL) { pDLOutput->Release(); pDLOutput = NULL; } if (pDL != NULL) { pDL->Release(); pDL = NULL; } } if (pDLIterator != NULL) { pDLIterator->Release(); pDLIterator = NULL; } return bSuccess; }
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; } }
static void gst_decklinksrc_class_probe_devices (GstElementClass * klass) { IDeckLinkIterator *iterator; IDeckLink *decklink; n_devices = 0; iterator = CreateDeckLinkIteratorInstance (); if (iterator) { while (iterator->Next (&decklink) == S_OK) { n_devices++; } } probed = TRUE; }
// 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 ); }
/* former device probe code, redux */ static void gst_decklinksrc_list_devices (void) { IDeckLinkIterator *iterator; IDeckLink *decklink; int n_devices; n_devices = 0; iterator = CreateDeckLinkIteratorInstance (); if (iterator) { while (iterator->Next (&decklink) == S_OK) { n_devices++; } } iterator->Release(); g_print ("%d devices\n", n_devices); }
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; }
static IDeckLink *find_card(int card_index) { HRESULT ret; IDeckLinkIterator *dli = CreateDeckLinkIteratorInstance( ); IDeckLink *dl; if (!dli) { throw std::runtime_error( "CreateDeckLinkIteratorInstance( ) failed" ); } while (card_index >= 0) { ret = dli->Next(&dl); if (ret != S_OK) { throw std::runtime_error("DeckLink card not found"); } card_index--; } return dl; }
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; }
IDeckLink *getFirstDeckLinkCard() { IDeckLink *deckLink = NULL; IDeckLinkIterator *deckLinkIter = CreateDeckLinkIteratorInstance(); if (deckLinkIter) { // get the first decklink card if (deckLinkIter->Next(&deckLink) != S_OK) { printf("Could not detect a DeckLink card\n"); } deckLinkIter->Release(); } else { printf("Could not enumerate DeckLink cards\n"); } return deckLink; }
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; }
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; }
bool Player::Init(int videomode, int connection, int camera) { // Initialize the DeckLink API IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance(); HRESULT result; int i = 0; if (!deckLinkIterator) { fprintf(stderr, "This application requires the DeckLink drivers installed.\n"); goto bail; } m_audioSampleDepth = av_get_exact_bits_per_sample(audio_st->codec->codec_id); switch (audio_st->codec->channels) { case 2: case 8: case 16: break; default: fprintf(stderr, "%d channels not supported, please use 2, 8 or 16\n", audio_st->codec->channels); goto bail; } switch (m_audioSampleDepth) { case 16: case 32: break; default: fprintf(stderr, "%dbit audio not supported use 16bit or 32bit\n", m_audioSampleDepth); } do result = deckLinkIterator->Next(&m_deckLink); while (i++ < camera); if (result != S_OK) { fprintf(stderr, "No DeckLink PCI cards found\n"); goto bail; } // Obtain the audio/video output interface (IDeckLinkOutput) if (m_deckLink->QueryInterface(IID_IDeckLinkOutput, (void **)&m_deckLinkOutput) != S_OK) goto bail; result = m_deckLink->QueryInterface(IID_IDeckLinkConfiguration, (void **)&deckLinkConfiguration); if (result != S_OK) { fprintf( stderr, "Could not obtain the IDeckLinkConfiguration interface - result = %08x\n", result); goto bail; } //XXX make it generic switch (connection) { case 1: DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComposite); DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAnalog); break; case 2: DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComponent); DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAnalog); break; case 3: DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionHDMI); DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionEmbedded); break; case 4: DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionSDI); DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionEmbedded); break; default: // do not change it break; } // Provide this class as a delegate to the audio and video output interfaces m_deckLinkOutput->SetScheduledFrameCompletionCallback(this); m_deckLinkOutput->SetAudioCallback(this); avframe = avcodec_alloc_frame(); packet_queue_init(&audioqueue); packet_queue_init(&videoqueue); packet_queue_init(&dataqueue); pthread_t th; pthread_create(&th, NULL, fill_queues, NULL); usleep(buffer); // You can add the microseconds you need for pre-buffering before start playing // Start playing StartRunning(videomode); pthread_mutex_lock(&sleepMutex); pthread_cond_wait(&sleepCond, &sleepMutex); pthread_mutex_unlock(&sleepMutex); fill_me = 0; fprintf(stderr, "Exiting, cleaning up\n"); packet_queue_end(&audioqueue); packet_queue_end(&videoqueue); bail: if (m_running == true) { StopRunning(); } else { // Release any resources that were partially allocated if (m_deckLinkOutput != NULL) { m_deckLinkOutput->Release(); m_deckLinkOutput = NULL; } // if (m_deckLink != NULL) { m_deckLink->Release(); m_deckLink = NULL; } } if (deckLinkIterator != NULL) deckLinkIterator->Release(); return true; }
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 main(int argc, char *argv[]) { IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance(); DeckLinkCaptureDelegate *delegate; BMDDisplayMode selectedDisplayMode = bmdModeNTSC; int displayModeCount = 0; int exitStatus = 1; int aconnection = 0, vconnection = 0, camera = 0, i = 0; int ch; AVDictionary *opts = NULL; BMDPixelFormat pix = bmdFormat8BitYUV; HRESULT result; pthread_t th; pthread_mutex_init(&sleepMutex, NULL); pthread_cond_init(&sleepCond, NULL); av_register_all(); if (!deckLinkIterator) { fprintf(stderr, "This application requires the DeckLink drivers installed.\n"); goto bail; } // Parse command line options while ((ch = getopt(argc, argv, "?hvc:s:f:a:m:n:p:M:F:C:A:V:o:")) != -1) { switch (ch) { case 'v': g_verbose = true; break; case 'm': g_videoModeIndex = atoi(optarg); break; case 'c': g_audioChannels = atoi(optarg); if (g_audioChannels != 2 && g_audioChannels != 8 && g_audioChannels != 16) { fprintf( stderr, "Invalid argument: Audio Channels must be either 2, 8 or 16\n"); goto bail; } break; case 's': g_audioSampleDepth = atoi(optarg); switch (g_audioSampleDepth) { case 16: sample_fmt = AV_SAMPLE_FMT_S16; break; case 32: sample_fmt = AV_SAMPLE_FMT_S32; break; default: fprintf(stderr, "Invalid argument:" " Audio Sample Depth must be either 16 bits" " or 32 bits\n"); goto bail; } break; case 'p': switch (atoi(optarg)) { case 8: pix = bmdFormat8BitYUV; pix_fmt = PIX_FMT_UYVY422; break; case 10: pix = bmdFormat10BitYUV; pix_fmt = PIX_FMT_YUV422P10; break; default: fprintf( stderr, "Invalid argument: Pixel Format Depth must be either 8 bits or 10 bits\n"); goto bail; } break; case 'f': g_videoOutputFile = optarg; break; case 'n': g_maxFrames = atoi(optarg); break; case 'M': g_memoryLimit = atoi(optarg) * 1024 * 1024 * 1024L; break; case 'F': fmt = av_guess_format(optarg, NULL, NULL); break; case 'A': aconnection = atoi(optarg); break; case 'V': vconnection = atoi(optarg); break; case 'C': camera = atoi(optarg); break; case 'S': serial_fd = open(optarg, O_RDWR | O_NONBLOCK); break; case 'o': if (av_dict_parse_string(&opts, optarg, "=", ":", 0) < 0) { fprintf(stderr, "Cannot parse option string %s\n", optarg); goto bail; } case '?': case 'h': usage(0); } } /* Connect to the first DeckLink instance */ do result = deckLinkIterator->Next(&deckLink); while (i++ < camera); if (result != S_OK) { fprintf(stderr, "No DeckLink PCI cards found.\n"); goto bail; } if (deckLink->QueryInterface(IID_IDeckLinkInput, (void **)&deckLinkInput) != S_OK) { goto bail; } result = deckLink->QueryInterface(IID_IDeckLinkConfiguration, (void **)&deckLinkConfiguration); if (result != S_OK) { fprintf( stderr, "Could not obtain the IDeckLinkConfiguration interface - result = %08x\n", result); goto bail; } result = S_OK; switch (aconnection) { case 1: result = DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAnalog); break; case 2: result = DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionEmbedded); break; case 3: result = DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAESEBU); break; default: // do not change it break; } if (result != S_OK) { fprintf(stderr, "Failed to set audio input - result = %08x\n", result); goto bail; } result = S_OK; switch (vconnection) { case 1: result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComposite); break; case 2: result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComponent); break; case 3: result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionHDMI); break; case 4: result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionSDI); break; case 5: result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionOpticalSDI); break; case 6: result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionSVideo); break; default: // do not change it break; } if (result != S_OK) { fprintf(stderr, "Failed to set video input - result %08x\n", result); goto bail; } delegate = new DeckLinkCaptureDelegate(); 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); goto bail; } if (!g_videoOutputFile) { fprintf(stderr, "Missing argument: Please specify output path using -f\n"); goto bail; } if (!fmt) { fmt = av_guess_format(NULL, g_videoOutputFile, NULL); if (!fmt) { fprintf( stderr, "Unable to guess output format, please specify explicitly using -F\n"); goto bail; } } if (g_videoModeIndex < 0) { fprintf(stderr, "No video mode specified\n"); usage(0); } selectedDisplayMode = -1; while (displayModeIterator->Next(&displayMode) == S_OK) { if (g_videoModeIndex == displayModeCount) { selectedDisplayMode = displayMode->GetDisplayMode(); break; } displayModeCount++; displayMode->Release(); } if (selectedDisplayMode < 0) { fprintf(stderr, "Invalid mode %d specified\n", g_videoModeIndex); goto bail; } result = deckLinkInput->EnableVideoInput(selectedDisplayMode, pix, 0); if (result != S_OK) { fprintf(stderr, "Failed to enable video input. Is another application using " "the card?\n"); goto bail; } result = deckLinkInput->EnableAudioInput(bmdAudioSampleRate48kHz, g_audioSampleDepth, g_audioChannels); if (result != S_OK) { fprintf(stderr, "Failed to enable audio input. Is another application using " "the card?\n"); goto bail; } oc = avformat_alloc_context(); oc->oformat = fmt; snprintf(oc->filename, sizeof(oc->filename), "%s", g_videoOutputFile); fmt->video_codec = (pix == bmdFormat8BitYUV ? AV_CODEC_ID_RAWVIDEO : AV_CODEC_ID_V210); fmt->audio_codec = (sample_fmt == AV_SAMPLE_FMT_S16 ? AV_CODEC_ID_PCM_S16LE : AV_CODEC_ID_PCM_S32LE); video_st = add_video_stream(oc, fmt->video_codec); audio_st = add_audio_stream(oc, fmt->audio_codec); if (serial_fd > 0) data_st = add_data_stream(oc, AV_CODEC_ID_TEXT); if (!(fmt->flags & AVFMT_NOFILE)) { if (avio_open(&oc->pb, oc->filename, AVIO_FLAG_WRITE) < 0) { fprintf(stderr, "Could not open '%s'\n", oc->filename); exit(1); } } avformat_write_header(oc, NULL); avpacket_queue_init(&queue); result = deckLinkInput->StartStreams(); if (result != S_OK) { goto bail; } // All Okay. exitStatus = 0; if (pthread_create(&th, NULL, push_packet, oc)) goto bail; // Block main thread until signal occurs pthread_mutex_lock(&sleepMutex); pthread_cond_wait(&sleepCond, &sleepMutex); pthread_mutex_unlock(&sleepMutex); deckLinkInput->StopStreams(); fprintf(stderr, "Stopping Capture\n"); avpacket_queue_end(&queue); bail: 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(); } if (oc != NULL) { av_write_trailer(oc); if (!(fmt->flags & AVFMT_NOFILE)) { /* close the output file */ avio_close(oc->pb); } } return exitStatus; }
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); }
static gboolean gst_decklink_src_start (GstElement * element) { GstDecklinkSrc *decklinksrc = GST_DECKLINK_SRC (element); IDeckLinkIterator *iterator; DeckLinkCaptureDelegate *delegate; //IDeckLinkDisplayModeIterator *mode_iterator; //IDeckLinkDisplayMode *mode; BMDAudioSampleType sample_depth; int channels; HRESULT ret; const GstDecklinkMode *mode; IDeckLinkConfiguration *config; BMDVideoConnection conn; BMDAudioConnection aconn; int i; GST_DEBUG_OBJECT (decklinksrc, "start"); iterator = CreateDeckLinkIteratorInstance (); if (iterator == NULL) { GST_ERROR ("no driver"); return FALSE; } ret = iterator->Next (&decklinksrc->decklink); if (ret != S_OK) { GST_ERROR ("no card"); return FALSE; } for (i = 0; i < decklinksrc->subdevice; i++) { ret = iterator->Next (&decklinksrc->decklink); if (ret != S_OK) { GST_ERROR ("no card"); return FALSE; } } ret = decklinksrc->decklink->QueryInterface (IID_IDeckLinkInput, (void **) &decklinksrc->input); if (ret != S_OK) { GST_ERROR ("query interface failed"); return FALSE; } delegate = new DeckLinkCaptureDelegate (); delegate->priv = decklinksrc; decklinksrc->input->SetCallback (delegate); ret = decklinksrc->decklink->QueryInterface (IID_IDeckLinkConfiguration, (void **) &config); if (ret != S_OK) { GST_ERROR ("query interface failed"); return FALSE; } switch (decklinksrc->connection) { default: case GST_DECKLINK_CONNECTION_SDI: conn = bmdVideoConnectionSDI; aconn = bmdAudioConnectionEmbedded; break; case GST_DECKLINK_CONNECTION_HDMI: conn = bmdVideoConnectionHDMI; aconn = bmdAudioConnectionEmbedded; break; case GST_DECKLINK_CONNECTION_OPTICAL_SDI: conn = bmdVideoConnectionOpticalSDI; aconn = bmdAudioConnectionEmbedded; break; case GST_DECKLINK_CONNECTION_COMPONENT: conn = bmdVideoConnectionComponent; aconn = bmdAudioConnectionAnalog; break; case GST_DECKLINK_CONNECTION_COMPOSITE: conn = bmdVideoConnectionComposite; aconn = bmdAudioConnectionAnalog; break; case GST_DECKLINK_CONNECTION_SVIDEO: conn = bmdVideoConnectionSVideo; aconn = bmdAudioConnectionAnalog; break; } ret = config->SetInt (bmdDeckLinkConfigVideoInputConnection, conn); if (ret != S_OK) { GST_ERROR ("set configuration (input source)"); return FALSE; } if (decklinksrc->connection == GST_DECKLINK_CONNECTION_COMPOSITE) { ret = config->SetInt (bmdDeckLinkConfigAnalogVideoInputFlags, bmdAnalogVideoFlagCompositeSetup75); if (ret != S_OK) { GST_ERROR ("set configuration (composite setup)"); return FALSE; } } switch (decklinksrc->audio_connection) { default: case GST_DECKLINK_AUDIO_CONNECTION_AUTO: break; case GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED: aconn = bmdAudioConnectionEmbedded; break; case GST_DECKLINK_AUDIO_CONNECTION_AES_EBU: aconn = bmdAudioConnectionAESEBU; break; case GST_DECKLINK_AUDIO_CONNECTION_ANALOG: aconn = bmdAudioConnectionAnalog; break; } ret = config->SetInt (bmdDeckLinkConfigAudioInputConnection, aconn); if (ret != S_OK) { GST_ERROR ("set configuration (audio input connection)"); return FALSE; } #if 0 ret = decklinksrc->input->GetDisplayModeIterator (&mode_iterator); if (ret != S_OK) { GST_ERROR ("failed to get display mode iterator"); return FALSE; } i = 0; while (mode_iterator->Next (&mode) == S_OK) { const char *mode_name; mode->GetName (&mode_name); GST_DEBUG ("%d: mode name: %s", i, mode_name); mode->Release (); i++; } #endif mode = gst_decklink_get_mode (decklinksrc->mode); ret = decklinksrc->input->EnableVideoInput (mode->mode, bmdFormat8BitYUV, 0); if (ret != S_OK) { GST_ERROR ("enable video input failed"); return FALSE; } sample_depth = bmdAudioSampleType16bitInteger; channels = 2; ret = decklinksrc->input->EnableAudioInput (bmdAudioSampleRate48kHz, sample_depth, channels); if (ret != S_OK) { GST_ERROR ("enable video input failed"); return FALSE; } ret = decklinksrc->input->StartStreams (); if (ret != S_OK) { GST_ERROR ("start streams failed"); return FALSE; } g_static_rec_mutex_lock (&decklinksrc->task_mutex); gst_task_start (decklinksrc->task); g_static_rec_mutex_unlock (&decklinksrc->task_mutex); return TRUE; }