OBS won't record but once in a session

Tangential

Tangential

Member
I am running 25.0.8 with Windows 10 pro (64 bit version 1903 build 18362.900) on an HP Zbook with 32 gig ram.

OBS has suddenly stopped recording. I record to an empty drive that shows 658 Gig free so there is space. When I start a session I can press record and it begins recording fine. When I press stop, the confirmation dialog pops up and I tell it to stop and it does. For the remainder of that session, every time I press Start record, the stop dialog pops up (and of course nothing records.) I've tried changing themes but it doesn't seem to be related to that.Akso, after I quit OBS, a process continues to run.

Nothing is written to the log file showing the failed attempts to record.

Any advice would be appreciated.
 

Attachments

Is there any way to increase the diagnostic output of OBS in windows? I've built a new single scene collection using built in mic and webcam and I get the same behavior. Start record works fine the first time i press it in a session. Stop puts up the confirmation dialog and it appears to stop. The next time I press Start Record the Stop confirmation dialog appears. From that point on the session will not record. Also when I quit OBS some processes are left around that I have to kill before I can start a new session.


The weird thing is that the log reflects none of this. If you look at the log it looks like I made a brief recording and then I quit OBS.

Code: 
18:25:21.919: ==== Recording Stop ================================================
18:25:46.658: ==== Shutting down ==================================================

In reality, I tried to record several times and interacted with the stop record button. The log didn't even finish until I exit OBS and then killed the process.

Could this be an ffmpeg problem?

Here is the complete (and short) log.

I could really use some help with this.

Code: 
18:25:01.878: CoInitializeEx succeeded: 0x00000001
18:25:01.878: CPU Name: Intel(R) Core(TM) i7-4800MQ CPU @ 2.70GHz
18:25:01.878: CPU Speed: 2694MHz
18:25:01.878: Physical Cores: 4, Logical Cores: 8
18:25:01.878: Physical Memory: 32185MB Total, 27368MB Free
18:25:01.878: Windows Version: 10.0 Build 18362 (release: 1903; revision: 900; 64-bit)
18:25:01.878: Running as administrator: true
18:25:01.878: Aero is Enabled (Aero is always on for windows 8 and above)
18:25:01.879: Windows 10 Gaming Features:
18:25:01.879:     Game DVR: On
18:25:01.881: Sec. Software Status:
18:25:01.882:     Windows Defender Antivirus: enabled (AV)
18:25:01.890:     Windows Firewall: enabled (FW)
18:25:01.890: Current Date/Time: 2020-06-18, 18:25:01
18:25:01.890: Browser Hardware Acceleration: true
18:25:01.890: Portable mode: false
18:25:02.327: OBS 25.0.8 (64-bit, windows)
18:25:02.327: ---------------------------------
18:25:02.353: ---------------------------------
18:25:02.353: audio settings reset:
18:25:02.353:     samples per sec: 44100
18:25:02.353:     speakers:        2
18:25:02.354: ---------------------------------
18:25:02.354: Initializing D3D11...
18:25:02.354: Available Video Adapters:
18:25:02.369:     Adapter 0: NVIDIA Quadro K2100M
18:25:02.369:       Dedicated VRAM: 2104754176
18:25:02.369:       Shared VRAM:    3989362688
18:25:02.369:       PCI ID:         10de:11fc
18:25:02.370:       Driver Version: 25.21.14.2625
18:25:02.370:       output 0: pos={0, 0}, size={1920, 1080}, attached=true, refresh=60, name=
18:25:02.370:     Adapter 1: Intel(R) HD Graphics 4600
18:25:02.370:       Dedicated VRAM: 117964800
18:25:02.370:       Shared VRAM:    2147483648
18:25:02.370:       PCI ID:         8086:416
18:25:02.372:       Driver Version: 20.19.15.5063
18:25:02.387: Loading up D3D11 on adapter NVIDIA Quadro K2100M (0)
18:25:02.886: D3D11 loaded successfully, feature level used: b000
18:25:02.886: DXGI increase maximum frame latency success
18:25:02.886: D3D11 GPU priority setup success
18:25:03.819: ---------------------------------
18:25:03.819: video settings reset:
18:25:03.819:     base resolution:   1920x1080
18:25:03.819:     output resolution: 1280x720
18:25:03.819:     downscale filter:  Bicubic
18:25:03.819:     fps:               30/1
18:25:03.819:     format:            NV12
18:25:03.819:     YUV mode:          601/Partial
18:25:03.819: NV12 texture support enabled
18:25:03.820: Audio monitoring device:
18:25:03.820:     name: Default
18:25:03.820:     id: default
18:25:03.820: ---------------------------------
18:25:03.823: [CoreAudio encoder]: CoreAudio AAC encoder not installed on the system or couldn't be loaded
18:25:03.824: Failed to load 'en-US' text for module: 'decklink-ouput-ui.dll'
18:25:03.893: [AMF] Unable to load 'amfrt64.dll', error code 126.
18:25:03.905: [AMF] AMF Test failed due to one or more errors.
18:25:03.905: Failed to initialize module 'enc-amf.dll'
18:25:03.953: [obs-browser]: Version 2.8.6
18:25:03.969: NVENC supported
18:25:03.996: [StreamFX] Loading Version 0.8.0.0-e343e4cb
18:25:04.010: [StreamFX] <NVIDIA Face Tracking Filter> Failed to load 'cuDevicePrimaryCtxRelease' from 'nvcuda.dll'.
18:25:04.336: [StreamFX] Loaded Version 0.8.0.0-e343e4cb
18:25:04.353: VLC found, VLC video source enabled
18:25:04.366: Decklink API Compiled version 10.11.4
18:25:04.366: Decklink API Installed version 11.5.1
18:25:04.398: ---------------------------------
18:25:04.398:   Loaded Modules:
18:25:04.398:     win-wasapi.dll
18:25:04.398:     win-mf.dll
18:25:04.398:     win-dshow.dll
18:25:04.398:     win-decklink.dll
18:25:04.398:     win-capture.dll
18:25:04.398:     vlc-video.dll
18:25:04.398:     text-freetype2.dll
18:25:04.398:     StreamFX.dll
18:25:04.398:     rtmp-services.dll
18:25:04.398:     obs-x264.dll
18:25:04.398:     obs-vst.dll
18:25:04.398:     obs-transitions.dll
18:25:04.398:     obs-text.dll
18:25:04.398:     obs-qsv11.dll
18:25:04.398:     obs-outputs.dll
18:25:04.398:     obs-filters.dll
18:25:04.398:     obs-ffmpeg.dll
18:25:04.398:     obs-browser.dll
18:25:04.398:     image-source.dll
18:25:04.398:     frontend-tools.dll
18:25:04.398:     enc-amf.dll
18:25:04.398:     decklink-ouput-ui.dll
18:25:04.398:     coreaudio-encoder.dll
18:25:04.398: ---------------------------------
18:25:04.398: ==== Startup complete ===============================================
18:25:04.399: Service '' not found
18:25:04.415: All scene data cleared
18:25:04.415: ------------------------------------------------
18:25:04.528: WASAPI: Device 'Speakers (High Definition Audio Device)' [48000 Hz] initialized
18:25:04.528: [Loaded global audio device]: 'Desktop Audio'
18:25:04.632: WASAPI: Device 'Microphone (High Definition Audio Device)' [44100 Hz] initialized
18:25:04.632: [Loaded global audio device]: 'Mic/Aux'
18:25:04.633: Switched to scene 'Scene'
18:25:04.633: ------------------------------------------------
18:25:04.633: Loaded scenes:
18:25:04.633: - scene 'Scene':
18:25:04.633:     - source: 'Video Capture Device' (dshow_input)
18:25:04.633: ------------------------------------------------
18:25:04.646: adding 23 milliseconds of audio buffering, total audio buffering is now 23 milliseconds (source: Mic/Aux)
18:25:04.646:
18:25:04.759: ---------------------------------
18:25:04.759: [DShow Device: 'Video Capture Device'] settings updated:
18:25:04.759:     video device: HP HD Webcam
18:25:04.759:     video path: \\?\usb#vid_04f2&pid_b3ed&mi_00#7&18d13a7a&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global
18:25:04.759:     resolution: 640x480
18:25:04.759:     flip: 0
18:25:04.759:     fps: 30.00 (interval: 333333)
18:25:04.759:     format: YUY2
18:25:05.102: Switched to Preview/Program mode
18:25:05.102: ------------------------------------------------
18:25:11.206: [jim-nvenc: 'simple_h264_stream'] settings:
18:25:11.206:     rate_control: CBR
18:25:11.206:     bitrate:      2500
18:25:11.206:     cqp:          20
18:25:11.206:     keyint:       250
18:25:11.206:     preset:       hq
18:25:11.206:     profile:      high
18:25:11.206:     width:        1280
18:25:11.206:     height:       720
18:25:11.206:     2-pass:       false
18:25:11.206:     b-frames:     2
18:25:11.206:     lookahead:    false
18:25:11.206:     psycho_aq:    true
18:25:11.206:
18:25:11.249: ---------------------------------
18:25:11.250: [FFmpeg aac encoder: 'simple_aac'] bitrate: 160, channels: 2, channel_layout: 3
18:25:11.250:
18:25:11.401: ==== Recording Start ===============================================
18:25:11.401: [ffmpeg muxer: 'simple_file_output'] Writing file 'C:/Users/HP/Videos/2020-06-18 18-25-11.mkv'...
18:25:21.919: [ffmpeg muxer: 'simple_file_output'] Output of file 'C:/Users/HP/Videos/2020-06-18 18-25-11.mkv' stopped
18:25:21.919: Output 'simple_file_output': stopping
18:25:21.919: Output 'simple_file_output': Total frames output: 307
18:25:21.919: Output 'simple_file_output': Total drawn frames: 315
18:25:21.919: ==== Recording Stop ================================================
18:25:46.658: ==== Shutting down ==================================================
18:25:46.670: Switched to scene '(null)'
18:25:46.967: WASAPI: Device 'Speakers (High Definition Audio Device)' Terminated
18:25:46.971: WASAPI: Device 'Microphone (High Definition Audio Device)' Terminated
18:25:46.976: All scene data cleared
18:25:46.976: ------------------------------------------------
 
Could you create a .dmp file after recording then exiting OBS, when the process is still running in the background?

How to create a .DMP file for debugging

If OBS Studio is locking up (freezing) or crashing, you can create a Windows dump file which will help us analyze what is causing it. A dump file lets us see the entire state that the program was in when the file was created, which makes...
obsproject.com
 
Update: This turned out to be a problem with my NVIDIA drivers. Once I updated them, the problem was fixed. Thanks R1CH!
 
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