Show HN: DalVideo – Screen recorder with offline AI captions and built-in editor
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Hi HN, I built DalVideo, a screen recorder for Windows with offline AI features. Key technical details: - AI captions powered by OpenAI Whisper, runs 100% offline - s 99+ languages - AI noise removal (RNNoise) in real-time - Smart Trim: auto-detects and cuts silent sections - Built-in editor (trim, split, delete) so you don't need a separate tool - Hardware encoding: NVENC, AMF, QuickSync - up to 4K - Codecs: H.264, H.265, AV1 in MP4/MKV - Drawing overlay, keystroke display, webcam PiP for tutorials Built with. NET 10 + WPF, FFmpeg 7.1 (LGPL), Whisper.net.