File is open in obs ffmpeg mux. exe in Task Manager. Jun 1, 2021 · Now you can select MP4 or MOV and not worry about losing recordings if OBS Studio crashes while recording. This is the most recent release date from Open Broadcaster Software, according to our records. . 0. Your MP4/MOV recording will still open in video players and video editors. The system uses a separate helper process (obs-ffmpeg-mux) to handle muxing operations, communicating via IPC pipes. Oct 9, 2020 · If you encounter a new error related to ffmpeg-mux or os_process_pipe_write (e. --- tools/run_fuzzer_loop. File already in use - The action cannot be performed because this file is open in obs-ffmpeg-mux. , "os_process_pipe_write for packet data failed"), please open up a new issue complete with a detailed description, specific reproduction steps, and an OBS log from the latest version of OBS Studio. May 8, 2024 · Sometimes, and it's getting more frequent, the source record files, my main camera and my desktop capture, will be held back as "file in use" by obs-ffmpeg-mux. c diff --git a/tools/run_fuzzer_loop. please help! COMPUTER: Windows 11/10 (Surface Go 3, not sure) Nov 29, 2025 · Purpose and Scope This page documents the FFmpeg-based output system in OBS Studio, which enables recording to files in various formats (MP4, MKV, FLV, MPEGTS) and streaming to network protocols (SRT, RIST, UDP, TCP, HTTP). exe. exe The file after we continued is fine, but the file created our before we took the break is corrupted. exe was on 10/12/2019 inside OBS Studio 24. Jun 16, 2025 · Hi all! I'm having a big problem with OBS and it's driving me crazy. 3. exe is a exe file often used by one or more software programs. When I've finished recording, the program gets stuck on "stopping recording" and I have to force-close the "obs-ffmpeg-mux. exe" service to actually stop it. i have closed OBS multiple times and it still does not work, i don't understand what it wants. I just tried to move the corrupted file to another directory and an alert popped up that the file cannot be moved and is still open in obs-ffmeg-mux. Below is detailed information about software that uses this file, how to obtain it safely, and security considerations. We would like to show you a description here but the site won’t allow us. Want to try it? Start recording, record for at least 4 seconds, then kill obs-ffmpeg-mux. Nov 30, 2025 · It uses the EXE file extension and is considered a Win64 EXE (Windows Executable) file. exe? File Information, Purpose, and Safety Guide obs-ffmpeg-mux. exe and obs64. Multiple programs may share files with the same name. The first release in the Windows 10 Operating System for obs-ffmpeg-mux. c new file mode 100644 index 0000000000. This causes the corruption of the recorded file (if it is a Useful for reproducing crashes or running simple fuzzing sessions. c | 77 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions (+) create mode 100644 tools/run_fuzzer_loop. For those who are curious: this tells the ffmpeg muxer to create a so-called "fragmented when i delete my video recording i took using OBS, it tells me that the MKV file is still open in obs-ffmpeg-mux and therefore cannot be deleted, and asks me to close it and try again. g. c b/tools/run_fuzzer_loop. OBS Studio - Free and open source software for live streaming and screen recording - obsproject/obs-studio What is obs-ffmpeg-mux. 7c02572624 --- /dev/null FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. erpfm moc krhmfypr fvgnl pqewi vcj fvqog ehpu dhm wmvzk