Unlike a standard MP4 file that requires a complete "moov atom" (metadata header) at the end of the file to be playable, uses Fragmented MP4 (fMP4) . This allows video to be played back as it is being recorded or streamed, making it ideal for: Live Previewing: Real-time camera feeds in web dashboards.
use ffmpeg to connect to rtsp ip cam [✓] stream copy mp4 video from the source [✓] make an mp4 parser node (to get the mime, init, Node-RED Forum live.mp4
If a system crashes, the "fragments" already written are still playable, whereas a standard MP4 would be corrupted. Unlike a standard MP4 file that requires a
To create a streamable live.mp4 , developers typically use: To create a streamable live
-movflags frag_keyframe+empty_moov+default_base_moof : This ensures the file starts with an empty metadata header and sends data in playable chunks.