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set_volume(3alleg4) [opendarwin man page]

set_volume(3alleg4)						  Allegro manual					       set_volume(3alleg4)

set_volume - Alters the global sound output volume. Allegro game programming library. SYNOPSIS
#include <allegro.h> void set_volume(int digi_volume, int midi_volume); DESCRIPTION
Alters the global sound output volume. Specify volumes for both digital samples and MIDI playback, as integers from 0 to 255, or pass a negative value to leave one of the settings unchanged. Values bigger than 255 will be reduced to 255. This routine will not alter the vol- ume of the hardware mixer if it exists (i.e. only your application will be affected). SEE ALSO
install_sound(3alleg4), set_hardware_volume(3alleg4) Allegro version 4.4.2 set_volume(3alleg4)

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install_sound(3alleg4)						  Allegro manual					    install_sound(3alleg4)

install_sound - Initialises the sound module. Allegro game programming library. SYNOPSIS
#include <allegro.h> int install_sound(int digi, int midi, const char *cfg_path); DESCRIPTION
Initialises the sound module. You should normally pass DIGI_AUTODETECT and MIDI_AUTODETECT as the driver parameters to this function, in which case Allegro will read hardware settings from the current configuration file. This allows the user to select different values with the setup utility: see the config section for details. Alternatively, see the platform specific documentation for a list of the available drivers. The cfg_path parameter is only present for compatibility with previous versions of Allegro, and has no effect on anything. RETURN VALUE
Returns zero if the sound is successfully installed, and -1 on failure. If it fails it will store a description of the problem in alle- gro_error. SEE ALSO
remove_sound(3alleg4), reserve_voices(3alleg4), detect_digi_driver(3alleg4), detect_midi_driver(3alleg4), set_volume(3alleg4), play_sam- ple(3alleg4), play_midi(3alleg4), play_audio_stream(3alleg4), install_sound_input(3alleg4), allegro_error(3alleg4), set_mixer_qual- ity(3alleg4), exmidi(3alleg4), exsample(3alleg4), exsprite(3alleg4), exstream(3alleg4) Allegro version 4.4.2 install_sound(3alleg4)
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