Tag: #faststart
3 articles
FFmpeg faststart — Fix Video That Won't Start Until Fully Downloaded
Your MP4 is slow to start playing on the web. The cause is the moov atom sitting at the end of the file, which delays playback. Fix it with FFmpeg's -movflags +faststart, which moves the index to the front for progressive download and streaming.
MOV to MP4 with FFmpeg — Lossless Copy and Re-encode
Convert QuickTime MOV files to MP4 with FFmpeg. Lossless remux with -c copy when codecs are MP4-compatible (H.264/AAC), and a re-encode path for ProRes or PCM audio. Container vs codec explained, plus faststart, audio fixes, and troubleshooting.
Fixing the moov atom not found Error — Repairing Broken MP4 Files
Understand and fix the 'moov atom not found' error in FFmpeg. A clear guide to MP4 file structure, faststart optimization, qt-faststart, and recovering truncated recordings.