Question / Help SOLVED Unable to get video output with a Blackmagic DeckLink Quad 2

ivanl

New Member
Hello everyone,

I currently have a setup with a Blackmagic DeckLink Quad 2 connected to 3 cameras, each in different inputs (1, 4, 6):
1534518423456.png

On the Media Express software I can playback each individual output properly.
However on OBS I have gone through all inputs and I always get a black screen, I do get Audio though:
1534519291756.png

Trying to change the settings on "Configure Video" I get the Blackmagicdesign properties popup, but changing anything on video format won't work and seems to not being reflected.
1534519074689.png

I also tried changing the settings in the Blackmagic Video Setup but no matter what output format I selected I couldn't get it to work:
1534519340053.png




I verified the inputs work also by testing with vMix with these settings (mostly default):
1534519748034.png



Not really sure what else to try.




Latest log:

18:04:26.675: CPU Name: Intel(R) Xeon(R) CPU W3565 @ 3.20GHz
18:04:26.675: CPU Speed: 3192MHz
18:04:26.675: Physical Cores: 4, Logical Cores: 8
18:04:26.675: Physical Memory: 16375MB Total, 13744MB Free
18:04:26.675: Windows Version: 6.3 Build 9600 (revision: 17031; 64-bit)
18:04:26.675: Running as administrator: false
18:04:26.675: Aero is Enabled (Aero is always on for windows 8 and above)
18:04:26.675: Sec. Software Status:
18:04:26.676: Windows Defender: enabled (AV)
18:04:26.676: Windows Firewall: disabled (FW)
18:04:26.677: Windows Defender: enabled (ASW)
18:04:26.677: Portable mode: false
18:04:26.804: OBS 21.1.2 (64bit, windows)
18:04:26.804: ---------------------------------
18:04:26.804: ---------------------------------
18:04:26.804: audio settings reset:
18:04:26.804: samples per sec: 44100
18:04:26.804: speakers: 2
18:04:26.805: ---------------------------------
18:04:26.805: Initializing D3D11...
18:04:26.805: Available Video Adapters:
18:04:26.805: Adapter 1: NVIDIA Quadro 2000
18:04:26.805: Dedicated VRAM: 991379456
18:04:26.805: Shared VRAM: 4290404352
18:04:26.805: output 1: pos={0, 0}, size={1920, 1080}, attached=true
18:04:26.807: Loading up D3D11 on adapter NVIDIA Quadro 2000 (0)
18:04:26.815: D3D11 loaded successfully, feature level used: 45056
18:04:27.658: ---------------------------------
18:04:27.658: video settings reset:
18:04:27.658: base resolution: 1920x1080
18:04:27.658: output resolution: 1280x720
18:04:27.658: downscale filter: Bicubic
18:04:27.658: fps: 30000/1001
18:04:27.658: format: NV12
18:04:27.658: YUV mode: 601/Partial
18:04:27.660: Audio monitoring device:
18:04:27.660: name: Default
18:04:27.660: id: default
18:04:27.660: ---------------------------------
18:04:27.661: Required module function 'obs_module_load' in module '../../obs-plugins/64bit/chrome_elf.dll' not found, loading of module failed
18:04:27.662: [CoreAudio encoder]: CoreAudio AAC encoder not installed on the system or couldn't be loaded
18:04:27.677: [AMF] AMF Test failed due to one or more errors.
18:04:27.677: Failed to initialize module 'enc-amf.dll'
18:04:27.687: Required module function 'obs_module_load' in module '../../obs-plugins/64bit/libcef.dll' not found, loading of module failed
18:04:27.687: LoadLibrary failed for '../../obs-plugins/64bit/libEGL.dll': The specified procedure could not be found.
18:04:27.687: (127)
18:04:27.687: Module '../../obs-plugins/64bit/libEGL.dll' not loaded
18:04:27.688: Required module function 'obs_module_load' in module '../../obs-plugins/64bit/libGLESv2.dll' not found, loading of module failed
18:04:27.688: [browser_source: 'Version: 1.31.0']
18:04:27.690: LoadLibrary failed for 'nvEncodeAPI64.dll': The specified module could not be found.
18:04:27.690: (126)
18:04:27.722: Couldn't find VLC installation, VLC video source disabled
18:04:27.729: ---------------------------------
18:04:27.729: Loaded Modules:
18:04:27.729: win-wasapi.dll
18:04:27.729: win-mf.dll
18:04:27.729: win-dshow.dll
18:04:27.729: win-decklink.dll
18:04:27.729: win-capture.dll
18:04:27.729: vlc-video.dll
18:04:27.729: text-freetype2.dll
18:04:27.729: rtmp-services.dll
18:04:27.729: obs-x264.dll
18:04:27.729: obs-vst.dll
18:04:27.729: obs-transitions.dll
18:04:27.729: obs-text.dll
18:04:27.729: obs-qsv11.dll
18:04:27.729: obs-outputs.dll
18:04:27.729: obs-filters.dll
18:04:27.729: obs-ffmpeg.dll
18:04:27.729: obs-browser.dll
18:04:27.729: image-source.dll
18:04:27.729: frontend-tools.dll
18:04:27.729: enc-amf.dll
18:04:27.729: coreaudio-encoder.dll
18:04:27.729: ---------------------------------
18:04:27.729: ==== Startup complete ===============================================
18:04:27.729: Service '' not found
18:04:27.732: Switched to Preview/Program mode
18:04:27.732: ------------------------------------------------
18:04:27.732: All scene data cleared
18:04:27.732: ------------------------------------------------
18:04:27.747: WASAPI: Device 'Speakers (SoundMAX Integrated Digital HD Audio)' initialized
18:04:27.775: WASAPI: Device 'Microphone (SoundMAX Integrated Digital HD Audio)' initialized
18:04:27.782: WASAPI: Device 'Line In (Blackmagic DeckLink Quad 2 (1) Audio)' initialized
18:04:27.787: Switched to scene 'Scene'
18:04:27.788: ------------------------------------------------
18:04:27.788: Loaded scenes:
18:04:27.788: - scene 'Scene':
18:04:27.788: - source: 'Video Capture Device' (dshow_input)
18:04:27.788: - source: 'Audio Input Capture' (wasapi_input_capture)
18:04:27.788: ------------------------------------------------
18:04:27.814: adding 46 milliseconds of audio buffering, total audio buffering is now 46 milliseconds
18:04:28.060: ---------------------------------
18:04:28.061: [DShow Device: 'Video Capture Device'] settings updated:
18:04:28.061: video device: Blackmagic WDM Capture
18:04:28.061: video path: \\?\decklink#avstream#8&22582688&0&0#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\decklinkcapture1
18:04:28.061: resolution: 720x486
18:04:28.061: fps: 29.97 (interval: 333667)
18:04:28.061: format: UYVY
18:04:28.062: using video device audio: yes
18:04:28.062: sample rate: 48000
18:04:28.062: channels: 2
18:04:28.062: audio type: Capture
18:05:09.946: Top Wheel: DecodeDeviceId failed
18:05:09.946: Top Wheel: Video configuration failed
18:05:09.949: User added source 'Top Wheel' (dshow_input) to scene 'Scene'
18:05:10.605: ---------------------------------
18:05:10.605: [DShow Device: 'Top Wheel'] settings updated:
18:05:10.605: video device: Blackmagic WDM Capture (3)
18:05:10.605: video path: \\?\decklink#avstream#8&11d1e130&0&0#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\decklinkcapture3
18:05:10.605: resolution: 720x486
18:05:10.605: fps: 29.97 (interval: 333667)
18:05:10.605: format: UYVY
18:05:10.607: using video device audio: yes
18:05:10.607: sample rate: 48000
18:05:10.607: channels: 2
18:05:10.607: audio type: Capture
18:05:15.698: ---------------------------------
18:05:15.698: [DShow Device: 'Top Wheel'] settings updated:
18:05:15.698: video device: Decklink Video Capture (4)
18:05:15.698: video path:
18:05:15.698: resolution: 720x486
18:05:15.698: fps: 29.97 (interval: 333667)
18:05:15.698: format: UYVY
18:11:16.971: ---------------------------------
18:11:16.971: [DShow Device: 'Top Wheel'] settings updated:
18:11:16.971: video device: Decklink Video Capture (4)
18:11:16.971: video path:
18:11:16.971: resolution: 720x486
18:11:16.971: fps: 29.97 (interval: 333667)
18:11:16.971: format: UYVY
18:11:22.324: ---------------------------------
18:11:22.324: [DShow Device: 'Top Wheel'] settings updated:
18:11:22.324: video device: Decklink Video Capture (6)
18:11:22.324: video path:
18:11:22.324: resolution: 720x486
18:11:22.324: fps: 29.97 (interval: 333667)
18:11:22.324: format: UYVY
18:11:24.728: ---------------------------------
18:11:24.728: [DShow Device: 'Top Wheel'] settings updated:
18:11:24.728: video device: Decklink Video Capture (6)
18:11:24.728: video path:
18:11:24.728: resolution: 720x486
18:11:24.728: fps: 29.97 (interval: 333667)
18:11:24.728: format: UYVY
 

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