T3i Magic Lantern Ubuntu Video Stream Setup

📚 Resources Canon 🏠 Canon USA → https://www.usa.canon.com/ 📷 Canon T3i → https://global.canon/en/c-museum/product/dslr806.html 📖 Canon T3i Manual → https://global.canon/en/c-museum/product/dslr806.html Magic Lantern 🏠 Home Page → https://www.magiclantern.fm/index.html 📥 Nightly Downloads → https://builds.magiclantern.fm/ 📷 T3i Firmware (600D) → https://builds.magiclantern.fm/600D-102.html 🔧 Install Guide → https://wiki.magiclantern.fm/install 📖 User Guide → https://wiki.magiclantern.fm/userguide#analog_gain_db ❓ FAQ → https://wiki.magiclantern.fm/faq 💬 Forum → https://www.magiclantern.fm/forum/ 💻 GitLab → https://foss.heptapod.net/magic-lantern/magic-lantern gphoto2 💻 GitHub → https://github.com/gphoto/gphoto2 ffmpeg 💻 GitHub → https://github.com/ffmpeg/ffmpeg v4l-utils 💻 GitHub → https://github.com/gjasny/v4l-utils 🔧 LinuxTV Git → https://git.linuxtv.org/v4l-utils.git/about/ 📖 LinuxTV API Docs → https://linuxtv.org/downloads/v4l-dvb-apis/ 📖 LinuxTV Wiki → https://linuxtv.org/wiki/index.php/V4l-utils Canon Community Thread T3i LiveView White Box Removal Discussion → https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/T3i-LiveView-white-outline-box-overlay-removal/td-p/133174/page/2 Reddit Thread Disabling the white box on Canon EOS Rebel T3i → https://www.reddit.com/r/Twitch/comments/g6f88u/disabling_the_white_box_on_canon_eos_rebel_t3i/ 🛒 Hardware - Canon T3i Dummy Battery - Micro HDMI to HDMI cable - HDMI to USB Type-A Capture Card 🖥️ Terminal Setup sudo apt install gphoto2 sudo apt install ffmpeg sudo apt install v4l-utils 📷 Camera Setup On camera: - Press the Live View Shooting button In camera menu: - Grid Display → Off - Auto Power Off → Off - Press Info button to hide overlays On lens: - Set Focus Mode Switch to AF - Half-press shutter to autofocus 🔍 Check Camera is Detected (Linux) ls /dev/video* v4l2-ctl --list-devices ▶️ Test Camera Feed ffplay /dev/video0 🎬 OBS Setup 1. Install and open OBS 2. Add Source → Video Capture Device (V4L2) 3. Settings: - Device: USB Video: USB Video (usb-0000:08:00.4-2) - Video Format: BGR3 (emulated) — smoothest option - Color Range: Full 4. Transform → Edit Transform: - Left: 100px - Right: 100px - Top: 50px - Bottom: 150px 🎞️ Free Software 🎬 Video Editor → https://www.openshot.org/ 🖼️ Photoshop Alternative → https://www.photopea.com/ ⚙️ Magic Lantern Settings - Clear Overlays → Always (removes white AF box) - Dual ISO - RAW video - ON - Spotmeter - Percent, AFbox (display brightness from a small spot) - Histogram - RAW RGB, Log 💡 Tips - To remove AF box without Magic Lantern: Canon menu → Live View → enable face tracking