Set mixer levels or roaraudio streams
#include <roaraudio.h>
int roar_set_vol(struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int channels);
int roar_set_vol2 (struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int channels, int mode);
int roar_get_vol(struct roar_connection * con, int id, struct roar_mixer_settings * mixer, int * channels);
This call gets or sets the mixing levels for a stream.
roar_set_vol() is marked obsolete and will be removed soon, use roar_set_vol2().
con
The connection to the roar audio server.
id
The ID of the stream to change.
mixer
The mixer state for the stream.
channels
The number of channels to set mixer data for or the number of channels mixer data is returned.
mode
The mode of operating. Currently the following modes are supported: ROAR_SET_VOL_ALL, ROAR_SET_VOL_MS, ROAR_SET_VOL_UNMAPPED.
On success these calls return 0. On error, -1 is returned.
FIXME