Queste costanti sono definite da questa estensione e sono disponibili solo se l'estensione è stata compilata nel PHP o se è stata caricata dinamicamente a runtime.
ALC_FREQUENCY
(int)
ALC_REFRESH
(int)
ALC_SYNC
(int)
AL_FREQUENCY
(int)
AL_BITS
(int)
AL_CHANNELS
(int)
AL_SIZE
(int)
AL_BUFFER
(int)
AL_SOURCE_RELATIVE
(int)
AL_SOURCE_STATE
(int)
AL_PITCH
(int)
AL_GAIN
(int)
AL_MIN_GAIN
(int)
AL_MAX_GAIN
(int)
AL_MAX_DISTANCE
(int)
AL_ROLLOFF_FACTOR
(int)
AL_CONE_OUTER_GAIN
(int)
AL_CONE_INNER_ANGLE
(int)
AL_CONE_OUTER_ANGLE
(int)
AL_REFERENCE_DISTANCE
(int)
AL_POSITION
(int)
AL_VELOCITY
(int)
AL_DIRECTION
(int)
AL_ORIENTATION
(int)
AL_FORMAT_MONO8
(int)
AL_FORMAT_MONO16
(int)
AL_FORMAT_STEREO8
(int)
AL_FORMAT_STEREO16
(int)
AL_INITIAL
(int)
AL_PLAYING
(int)
AL_PAUSED
(int)
AL_STOPPED
(int)
AL_LOOPING
(int)
AL_TRUE
(int)
AL_FALSE
(int)