Jianshanxing Technology

English

中文

English

中文
Back
OBS Studio

OBS Studio

A cross-platform software for high-performance live streaming and screen recording

Download with PC Client

Features

Open SourceMultimediaScreen Recording & Streaming

Screenshots

OBS Studio screenshot 1
OBS Studio screenshot 2

System Requirements

Minimum 8GB RAM. Low storage requirement (1GB reserved).
Windows 10/11 64-bit: No specific GPU requirements.
macOS 11+: Supports both Intel and M-series chips.

Introduction

1. Key Features & Highlights

OBS Studio (Open Broadcaster Software) is a free, open-source, and cross-platform application built for real-time video recording and live streaming. It is the world's most popular tool for content creators and broadcasters.

  • Real-Time Scene Compositing: Combine multiple sources—including desktop captures, specific application windows, games, webcams, images, browser sources, and video files—into custom scenes with smooth transitions.
  • Professional Audio Mixer: Features a multi-channel mixer with per-source controls, noise suppression, noise gate, gain adjustments, and VST plugin support.
  • Multi-Platform Live Streaming: Direct integration with major platforms like YouTube, Twitch, Facebook Live, and Bilibili, supporting protocols like RTMP/RTMPS, SRT, and WebRTC.
  • High-Performance Screen Recording: Record crisp video in high frame rates using modern encoders (H.264, HEVC, AV1) with GPU acceleration, offering independent settings for streaming and local recording.
  • Extensible Plugin Ecosystem: Supported by a massive community offering plugins, custom scripts, and WebSocket API integration for remote control.

2. Primary Use Cases

  • Live Streaming: Gaming broadcasts, educational webinars, e-commerce live sales, and creative performances.
  • High-Quality Screen Recording: Creating software tutorials, video essays, courseware, and gameplay highlights.
  • Virtual Camera for Video Calls: Sending composited scenes directly into Zoom, Microsoft Teams, or Google Meet as a webcam feed.
  • Event Broadcasting & Production: Multi-camera setups, live overlay management, and professional production control.

3. Developer & Team

  • Development Team: Maintained by the OBS Project team alongside global open-source contributors. Founded by Hugh "Jim" Bailey in 2012 and later rewritten into the cross-platform OBS Studio architecture.
  • Open Source Model: Distributed under the GPLv2 license, completely free with no ads, watermarks, or paywalled features.

4. Underlying Architecture & Tech Stack

  • Core Engine (libobs): OBS's custom C-based core library that drives the audio/video pipeline, graphics compositing, and plugin system.
  • GPU-Accelerated Graphics: Platform-native rendering backends including Direct3D 11 (Windows), Metal (macOS), and OpenGL (Linux) for real-time scene rendering with minimal CPU overhead.
  • Codecs & I/O (FFmpeg & Hardware SDKs): Powered by FFmpeg and deeply integrated with hardware encoder APIs like NVIDIA NVENC, AMD AMF, and Intel QuickSync.
  • GUI Framework (Qt Framework): Built with Qt (C++) to provide a responsive and unified user interface across Windows, macOS, and Linux.
Homepagehttps://obsproject.com/
GitHubhttps://github.com/obsproject/obs-studio
LicenseGPL-2.0 license