[MPlayer-dev-eng] Re: Slave mode and pipes

[Eric Lammerts]

On Tue, 21 May 2002, murban wrote:
> The program does start mplayer, but it is not able to get mplayer to
> respond to commands.

Output to a pipe is block buffered, so you need to fflush(stream)
after the fprintf.

Alternatively, you can set the buffering mode of stream to "line
buffered" using setvbuf(stream, NULL, _IOLBF, 0) before you start
printing.

Eric