Asynchronous video streaming

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I'm using a hardware that captures a video from a camera. That hardware creates a video file when it is reading the camera input (I'm able to configure that video, video codec, audio codec, compressed, uncompressed, etc). I want to do a streaming with VLC of that file, but VLC is unnable to open the file while it is been "created". What can I do to stream that file? Is it possible? I really want to avoid creating my own decoder, thanks!