Question / Help Webcams Not Appearing in OBS

taylorjay

taylorjay

New Member
As of late, both of my webcams have been unresponsive in OBS alone. This only started happening after patch 20.0 came out. When using the software, I am trying to use two webcams to stream, but they will not function. They add perfectly fine in the settings, but once added, I get a grey screen and they don't appear. I have tried to update my drivers, uninstall and reinstall OBS, wipe my computer, reinstall newer driver versions of the webcams, etc. Nothing has worked. Please assist. This is incredibly frustrating.
 
taylorjay

taylorjay

New Member
Yes, but I only have Windows defender. I have checked all the settings within it, and nothing is blocking it...
 
taylorjay

taylorjay

New Member
18:02:26.213: CPU Name: Intel(R) Core(TM) i5-3350P CPU @ 3.10GHz
18:02:26.213: CPU Speed: 3093MHz
18:02:26.213: Physical Cores: 4, Logical Cores: 4
18:02:26.213: Physical Memory: 16337MB Total, 11705MB Free
18:02:26.213: Windows Version: 10.0 Build 15063 (revision: 674; 64-bit)
18:02:26.213: Running as administrator: false
18:02:26.213: Aero is Enabled (Aero is always on for windows 8 and above)
18:02:26.213: Portable mode: false
18:02:26.227: OBS 20.1.0 (64bit, windows)
18:02:26.227: ---------------------------------
18:02:26.227: ---------------------------------
18:02:26.227: audio settings reset:
18:02:26.227: samples per sec: 44100
18:02:26.227: speakers: 2
18:02:26.229: ---------------------------------
18:02:26.229: Initializing D3D11...
18:02:26.229: Available Video Adapters:
18:02:26.230: Adapter 1: NVIDIA GeForce GTX 950
18:02:26.230: Dedicated VRAM: 2115698688
18:02:26.230: Shared VRAM: 4270637056
18:02:26.230: output 1: pos={0, 0}, size={1360, 768}, attached=true
18:02:26.230: output 2: pos={1360, 0}, size={1280, 1024}, attached=true
18:02:26.232: Loading up D3D11 on adapter NVIDIA GeForce GTX 950 (0)
18:02:26.274: D3D11 loaded successfully, feature level used: 45056
18:02:27.048: ---------------------------------
18:02:27.048: video settings reset:
18:02:27.048: base resolution: 1280x720
18:02:27.048: output resolution: 1280x720
18:02:27.048: downscale filter: Bicubic
18:02:27.048: fps: 60/1
18:02:27.048: format: NV12
18:02:27.049: Audio monitoring device:
18:02:27.049: name: Default
18:02:27.049: id: default
18:02:27.049: ---------------------------------
18:02:27.050: Required module function 'obs_module_load' in module '../../obs-plugins/64bit/chrome_elf.dll' not found, loading of module failed
18:02:27.051: [CoreAudio encoder]: CoreAudio AAC encoder not installed on the system or couldn't be loaded
18:02:27.052: [AMF] Encountered Exception during AMF initialization: Unable to load 'amfrt64.dll', error code 126.
18:02:27.052: Failed to initialize module 'enc-amf.dll'
18:02:27.059: Required module function 'obs_module_load' in module '../../obs-plugins/64bit/libcef.dll' not found, loading of module failed
18:02:27.059: Required module function 'obs_module_load' in module '../../obs-plugins/64bit/libEGL.dll' not found, loading of module failed
18:02:27.060: Required module function 'obs_module_load' in module '../../obs-plugins/64bit/libGLESv2.dll' not found, loading of module failed
18:02:27.060: Failed to load 'en-US' text for module: 'obs-browser.dll'
18:02:27.060: [browser_source: 'Version: 1.29.0']
18:02:27.062: NVENC supported
18:02:27.115: Couldn't find VLC installation, VLC video source disabled
18:02:27.118: No blackmagic support
18:02:27.149: ---------------------------------
18:02:27.149: Loaded Modules:
18:02:27.149: win-wasapi.dll
18:02:27.149: win-mf.dll
18:02:27.149: win-dshow.dll
18:02:27.149: win-decklink.dll
18:02:27.149: win-capture.dll
18:02:27.149: vlc-video.dll
18:02:27.149: text-freetype2.dll
18:02:27.149: rtmp-services.dll
18:02:27.149: obs-x264.dll
18:02:27.149: obs-vst.dll
18:02:27.149: obs-transitions.dll
18:02:27.149: obs-text.dll
18:02:27.149: obs-qsv11.dll
18:02:27.149: obs-outputs.dll
18:02:27.149: obs-filters.dll
18:02:27.149: obs-ffmpeg.dll
18:02:27.149: obs-browser.dll
18:02:27.149: image-source.dll
18:02:27.149: frontend-tools.dll
18:02:27.149: enc-amf.dll
18:02:27.149: coreaudio-encoder.dll
18:02:27.149: ---------------------------------
18:02:27.149: ==== Startup complete ===============================================
18:02:27.152: All scene data cleared
18:02:27.152: ------------------------------------------------
18:02:27.160: [WASAPISource::TryInitialize]:[Speakers (Realtek High Definition Audio)] Failed to activate client context: 88890004
18:02:27.160: [WASAPISource::WASAPISource] Device '{0.0.0.00000000}.{812568cf-b10c-4c27-8eed-ed10e482fead}' not found. Waiting for device
18:02:27.173: WASAPI: Device 'Line (USB AUDIO CODEC)' initialized
18:02:27.207: warning: deprecated pixel format used, make sure you did set range correctly
18:02:27.207: warning: Warning: data is not aligned! This can lead to a speed loss
18:02:27.231: adding 46 milliseconds of audio buffering, total audio buffering is now 46 milliseconds
18:02:27.278: ---------------------------------
18:02:27.278: [DShow Device: 'cam 1'] settings updated:
18:02:27.278: video device: HD 720P Webcam
18:02:27.278: video path: \\?\usb#vid_0c45&pid_6340&mi_00#7&2eb0e52b&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global
18:02:27.278: resolution: 1280x720
18:02:27.278: fps: 10.00 (interval: 1000000)
18:02:27.278: format: YUY2
18:02:27.538: warning: deprecated pixel format used, make sure you did set range correctly
18:02:27.560: warning: deprecated pixel format used, make sure you did set range correctly
18:02:27.608: warning: deprecated pixel format used, make sure you did set range correctly
18:02:27.644: Switched to scene 'Twitch Stream'
18:02:27.645: ------------------------------------------------
18:02:27.645: Loaded scenes:
18:02:27.645: - scene 'Twitch Stream':
18:02:27.645: - source: 'Overlay' (image_source)
18:02:27.645: - source: 'Alert 1' (browser_source)
18:02:27.645: - source: 'Game Capture' (game_capture)
18:02:27.645: - source: 'F/H/S' (browser_source)
18:02:27.645: - source: 'Donations' (browser_source)
18:02:27.645: - source: 'Current project' (image_source)
18:02:27.645: - source: 'Current perler art' (text_gdiplus)
18:02:27.645: - source: 'Goal' (browser_source)
18:02:27.645: - source: 'cam 1' (dshow_input)
18:02:27.645: - source: 'cam 2' (dshow_input)
18:02:27.645: - scene 'Intermission':
18:02:27.645: - source: 'Intermission Overlay' (image_source)
18:02:27.645: - scene 'Intro':
18:02:27.645: - source: 'Intro Overlay' (image_source)
18:02:27.645: ------------------------------------------------
18:02:27.702: ---------------------------------
18:02:27.702: [DShow Device: 'cam 2'] settings updated:
18:02:27.702: video device: Logitech HD Webcam C270
18:02:27.702: video path: \\?\usb#vid_046d&pid_0825&mi_00#7&2519fd6b&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\{bbefb6c7-2fc4-4139-bb8b-a58bba724083}
18:02:27.702: resolution: 640x480
18:02:27.702: fps: 30.00 (interval: 333333)
18:02:27.702: format: I420
 
Fenrir

Fenrir

Forum Admin
Let's try some troubleshooting steps and see if we can figure out what's going on.

First, create a new Scene Collection (Menu at the top of OBS, not just a new scene). Call it "Test" and then add only one of your webcams. Leave it at the default settings, and let me know if it opens properly.
 
taylorjay

taylorjay

New Member
Unfortunately, it did not open correctly. It left a small red square in the corner, almost as if it was to adjust the size,but never opened. If you try to adjust the size, it disappears.
 
taylorjay

taylorjay

New Member
I have tried this Harold, but nothing happens. It just expands the box. It doesn't allow me to see any video from the cam.
 
taylorjay

taylorjay

New Member
After trying everything short of reverting back to an older version of the software, I ended up doing just that. I am currently running version 18.0.0 and it is working just fine. Tested it 10 times and rebooted my computer to confirm. Seems to be working well now. Here is a poorly taken picture of my success, and it looks like there is definitely a patch issue unfortunately..
 

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Fenrir

Fenrir

Forum Admin
If it works on an older version, that reeks of rogue antivirus blocking the webcam from working properly. No code for video capture devices was change between 18 and 20.1.

Glad it's working, though!
 
Lokesh

Lokesh

New Member
This issue can be resolved by allowing OBS to use webcam under the restrictions for Apps in your antivirus. Sometimes antivirus restricts OBS to use webcam for security reasons.

Hope this will solve your problem.
 
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