下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。
ALC_FREQUENCY
(integer)
ALC_REFRESH
(integer)
ALC_SYNC
(integer)
AL_FREQUENCY
(integer)
AL_BITS
(integer)
AL_CHANNELS
(integer)
AL_SIZE
(integer)
AL_BUFFER
(integer)
AL_SOURCE_RELATIVE
(integer)
AL_SOURCE_STATE
(integer)
AL_PITCH
(integer)
AL_GAIN
(integer)
AL_MIN_GAIN
(integer)
AL_MAX_GAIN
(integer)
AL_MAX_DISTANCE
(integer)
AL_ROLLOFF_FACTOR
(integer)
AL_CONE_OUTER_GAIN
(integer)
AL_CONE_INNER_ANGLE
(integer)
AL_CONE_OUTER_ANGLE
(integer)
AL_REFERENCE_DISTANCE
(integer)
AL_POSITION
(integer)
AL_VELOCITY
(integer)
AL_DIRECTION
(integer)
AL_ORIENTATION
(integer)
AL_FORMAT_MONO8
(integer)
AL_FORMAT_MONO16
(integer)
AL_FORMAT_STEREO8
(integer)
AL_FORMAT_STEREO16
(integer)
AL_INITIAL
(integer)
AL_PLAYING
(integer)
AL_PAUSED
(integer)
AL_STOPPED
(integer)
AL_LOOPING
(integer)
AL_TRUE
(integer)
AL_FALSE
(integer)