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Questions tagged [obs]

OBS (Open Broadcaster Software), is a software package designed for video recording and live streaming, supporting a limited version of HLSL for implementing custom pixel shaders. GENERAL OBS SUPPORT IS OFF-TOPIC. QUESTIONS NEED TO BE PROGRAMMING RELATED. Question about the usage of OBS may be asked on https://superuser.com.

OBS, short for open broadcaster software, is free and open source software for video recording and live streaming. It supports a limited version of HLSL allowing users to write their own effects as pixel shaders.

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Recording with transparent background

I can film myself in OBS with a green screen background filter, and then project any picture in the background. No problem. I can even record this. But how do I record with an empty background (equivalent of the checkerboard background in a…
Common Sense
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Improve countdown.lua in OBS to change scenes when timer complete

I figured out how to add and populate a dropdown of scenes in countdown.lua, and I see where to put the code that would switch scenes. How do I changes scenes in OBS using lua? The dropdown with the chosen destination scene is called…
BrentShaub
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OBS WebRTC data channel not connecting

I have a project that requires a WebRTC data channel to work in OBS. It works great on Windows but won't connect on Mac. An easy way to test it is to open up this page in a browser that supports webRTC:…
Castles
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How can I video capture 3d apps running full screen on Linux?

I'm currently using libavcodec and I have specified x11grab. When running normally, I can even capture 60 FPS, but when I switch to a 3d application full screen (i.e. game running with Vulkan or OpenGL), the famebuffer is basically empty. Again, not…
Emanuele
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Concatenating *.mkv files using ffmpeg

I've just about lost my mind on this, I'm sure I'm missing something simple. I have two *.mkv files generated by OBS. Even better, I've just copied one file twice, so I am sure I have the same bitrate, fps, tbn, whatever. then I do: ffmepg -i…
Daniel F
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windows multi-monitor system, map .net Screen to DirectX monitor #

I will describe the need: For bug-reporting purpose, we include in our application a way for video-capture of the screen. For this purpose, we use an open source library called OBS studio. In a multi-monitor setup (virtually 100% of our customer…
eze-ashat
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OBS Studio how to set options programmatically

writing a plugin for OBS Studio, I am stuck on trying to set recording filename/path using luaobs or obspython Settings->Advanced->Filename Formatting or Settings->Output->Recording Path how would i go about setting those settings programmatically?
Radek Wysocki
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How to send a keystroke with a LUA script?

How do you send a keystroke using a .lua script? i.e. Trigger a F7 keypress (or any key). My specific environment is Windows 64bit and running a lua script within OBS Studio(but I guess the environment doesn't matter).
Gabriel Rodriguez
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Compatible Visual Stuido hotkeys with OBS?

Sorry this is a really stupid question: I'm recording a video of something I'm working on in visual studio and I was wondering if there are any 'safe' (by default not used) hotkeys to use for recording start / stop. I've always used f10, but that's…
Batman
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Screen record at a higher resolution (ex: 4K) than my physical monitor (only 1080p)

I frequently need to record the screen and edit it into a demo video. The best software I've found so far is OBSproject.com, free, open-source, very flexible streaming and screen-recording software. I would kill to be able to record at a higher…
mustacheMcGee
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The homemade Chroma Key filter I developed in OBS-Studio can't use the usual green or blue background, but it can be used in red

I refer to the OBS Studio 20.1.0 documentation and chroma_key_filter.effect on github. I have had a problem with the recent homemade obs-studio filter. I can't think of how to solve it. I want to ask everyone here, I hope I can get some suggestions…
Jared C
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OBS doesn't receive hotkey from python script

I am trying to do automatic scene changer in OBS by having a python script search for a specific image on screen. When the image is detected, the python script will send the hotkey, which should be picked by OBS (Same hotkey added in…
Alex TheWebGroup
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Streaming from obs to Nginx

I'm trying to stream from obs to nginx server. I'm using videojs as a player. In OBS Settings I'm using custom Streaming server and the url is rtmp://localhost/live. this is the configuration file for nginx: rtmp { server { …
Ayoub Bani
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OBS libobs-sharp - Cannot get to run

I would like to interact with OBS via a c# wrapper. I have come across the following, which looks like it could help, but I am struggling to get anything to work. https://github.com/ilosvideos/libobs-sharp#libobs-sharp It has the following…
user3284707
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Best approach to access and modify video and audio streams of an OBS user

I'm working on a project where I need to access and modify the video and audio streams of an OBS user in real-time. Currently, I have set up a system where the OBS user sends their stream to an RTMP server. From there, I access the frames and…
dumbQuestions
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