OBS cannot recognize the USB capture card

J

jo.radaan

New Member
Hello,
I have a USB capture card and Windows and programs like Camtasia work fine with it, but OBS Studio just gives me a black screen:

OBS-1.jpeg


OBS-2.jpeg


How to solve it?

Thank you.
 
J

jo.radaan

New Member
Hello,
It has been a few days since this post was posted. Does anyone have any comments?

Any idea welcomed.

Thanks.
 
koala

koala

Active Member
Make sure no other app is using your capture device. Windows doesn't allow concurrent access to capture devices. Just one app, and every other app is black.
 
qhobbes

qhobbes

Active Member
Your Device Default is 1080p 60Hz while your maximum supported resolution is 1080p 30Hz:
Code: 
09:28:37.109: [DShow Device: 'Video Capture Device'] settings updated:
09:28:37.109:     video device: USB Video
09:28:37.109:     video path: \\?\usb#vid_534d&pid_2109&mi_00#6&2361bade&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global
09:28:37.109:     resolution: 1920x1080
09:28:37.109:     flip: 0
09:28:37.109:     fps: 60.00 (interval: 166666)
09:28:37.109:     format: MJPEG
09:28:37.109:     buffering: disabled
09:28:37.109:     hardware decode: disabled
Click on "Device Default" and change it to "Custom". Set the Resolution to 1920x1080 and the FPS to 30. You may also want to Enable Buffering and hardware decoding when available.
 
J

jo.radaan

New Member
qhobbes said:
Your Device Default is 1080p 60Hz while your maximum supported resolution is 1080p 30Hz:
Code: 
09:28:37.109: [DShow Device: 'Video Capture Device'] settings updated:
09:28:37.109:     video device: USB Video
09:28:37.109:     video path: \\?\usb#vid_534d&pid_2109&mi_00#6&2361bade&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global
09:28:37.109:     resolution: 1920x1080
09:28:37.109:     flip: 0
09:28:37.109:     fps: 60.00 (interval: 166666)
09:28:37.109:     format: MJPEG
09:28:37.109:     buffering: disabled
09:28:37.109:     hardware decode: disabled
Click on "Device Default" and change it to "Custom". Set the Resolution to 1920x1080 and the FPS to 30. You may also want to Enable Buffering and hardware decoding when available.
Click to expand...
Hello,
Thank you for your guidance.
I did all the settings you said, but it didn't make any difference. I only see a black screen:

Capture.PNG


What kind of settings can I change to help? What do you suggest for troubleshooting?
 
Suslik V

Suslik V

Active Member
Troubleshooting steps for black screen for DirectShow devices are next:
  1. Make sure that other programs that may use DirectShow device are not running (check the tray menu near the Windows clock to make sure you have closed all of them: Skype, Discord, Teams, Zoom etc).
  2. Make sure that you have granted permission to application to grab the data from this device (Windows settings, the setting's location depends on OS version and security software in use).
  3. Make sure that device is connected to the USB port that has enough bandwidth and power (no other devices connected to the same Hub, in device manager of Windows you can open properties of each Hub and see Power consumption/devices_connected to each port. There are special tools for Windows that helps to find out what is powered now and where it is connected, links can be found in this post: https://obsproject.com/forum/thread...-cut-out-stream-lag-freeze.169408/post-661477 ).
  4. Set compatible output format for your device in OBS Video Capture Device properties (defaults not always work good).
  5. If nothing helps - try something else.
 
Last edited:
J

jo.radaan

New Member
Suslik V said:
Troubleshooting steps for black screen for DirectShow devices are next:
  1. Make sure that other programs that may use DirectShow device are not running (check the tray menu near the Windows clock to make sure you have closed all of them: Skype, Discord, Teams, Zoom etc).
  2. Make sure that you have granted permission to application to grab the data from this device (Windows settings, the setting's location depends on OS version and security software in use).
  3. Make sure that device is connected to the USB port that has enough bandwidth and power (no other devices connected to the same Hub, in device manager of Windows you can open properties of each Hub and see Power consumption/devices_connected to each port. There are special tools for Windows that helps to find out what is powered now and where it is connected, links can be found in this post: https://obsproject.com/forum/thread...-cut-out-stream-lag-freeze.169408/post-661477 ).
  4. Set compatible output format for your device in OBS Video Capture Device properties (defaults not always work good).
  5. If nothing helps - try something else.
Click to expand...
Hello,
Thank you so much for your advice.
I did everything you said and set the video format to MJPEG, but it didn't make a difference. About USBView:

Capture-1.PNG
 
Suslik V

Suslik V

Active Member

Certified Devices | OBS

OBS (Open Broadcaster Software) is free and open source software for video recording and live streaming. Stream to Twitch, YouTube and many other providers or record your own videos with high quality H264 / AAC encoding.
obsproject.com obsproject.com
 
Suslik V

Suslik V

Active Member
Very complex device...

Maybe it is worth to try "640 x 480 @ 30 fps : Uncompressed" before attempting to use higher settings?

OBS log only states that audio from the device is not OK:
Code: 
09:28:37.115: DShow: Could not set audio format
09:28:37.115: Video Capture Device: Audio configuration failed, ignoring audio
 
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