roar_simple

roar_simple_stream

Section: System Manager's Manual: RoarAuido (3) Updated: July 2008 Local index Up

NAME

roar_simple_stream - Opens a stream to RoarAudio's sound server

SYNOPSIS

int roar_simple_stream(int rate, int channels, int bits, int codec, char * server, int dir, char * name);

DESCRIPTION

This creates a new stream to RoarAudio. Normaly you want to use one of roar_simple_play(3), roar_simple_monitor(3), roar_simple_record(3) or roar_simple_filter(3).

PARAMETERS

rate, channels, bits, codec, server, name: For an explanation on these parameters see roar_simple_play(3).
dir: The direction of the new stream. See below for a list of valid directions.

STREAM DIRECTIONS

ROAR_DIR_PLAY

This stream directions meens that a player streams data to the server in order to play it back.

ROAR_DIR_RECORD

This direction is to record audio from the soundcard. This is used if for example you want to get data from your microphon or line in.

ROAR_DIR_MONITOR

This direction is used to get a copy of what the server sends to the soundcard. This can for example be used to stream the fully mixed data to Icecast (see icecast2(1)).

ROAR_DIR_FILTER

This is used to crate a filter stream: A filter stream is a stream used to filter the output of the sound server by some tool. This can for example be used for an software equalizer. The filter stream is the only bi-directional stream. You have to read some data and write back data of exactly the same size.

ROAR_DIR_OUTPUT

This is the type of the stream the server sends to the soundcard. You can not create such a stream. It's only listend for completeness.

RETURN VALUE

On success these calls return a filehandle. On error, -1 is returned.

EXAMPLES

FIXME

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Time: 21:54:08 GMT, April 16, 2011