MJPEG HTTP streaming

[hangman]

I would like to use VLC to emulate Axis (and many others) IP cameras: to generate outgoing MJPEG HTTP stream.

A format of HTTP stream is described here: http://en.wikipedia.org/wiki/Motion_JPEG

M-JPEG over HTTP
HTTP streaming separates each image into individual HTTP replies on a specified marker...
The server software mentioned above stream the sequence of JPEGs over HTTP. A special mime-type content type multipart/x-mixed-replace;boundary= informs the browser to expect several parts as answer separated by a special boundary. This boundary is defined within the MIME-type. For M-JPEG streams the JPEG data is sent to the client with a correct HTTP-header. The TCP connection is not closed as long as the client wants to receive new frames and the server wants to provide new frames...

VLC could generate MJPEG HTTP stream:

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vlc -vvv screen:// :sout=#transcode{vcodec=MJPG,vb=800,scale=1}:duplicate{dst=std{access=http,mux=raw,dst=:80}}

but it is formated with content-type:application/octet-stream, so all cameras software can't work with these stream. Is there anything that could be done to change HTTP content-type?

One more thing: if the stream is generated as

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vlc -vvv screen:// :sout=#transcode{vcodec=MJPG,vb=800,scale=1}:duplicate{dst=std{access=http,mux=mpjpeg,dst=:80}}

then client vlc doesn't show anything on screen.