Module sound 

Sound Manager state and mixing engine.

Holds per-channel playback state and produces mixed PCM output each frame. Reference: Inside Macintosh: Sound (1994).

Modules

cmd

Sound command constants (Sound 1994, 2-92 to 2-97).

Structs

DoubleBufferState

Double-buffer playback state for SndPlayDoubleBuffer. Sound 1994, 2-111 to 2-113

PendingDoubleBackCallback

A pending double-buffer callback that the runner should fire.

SndChannel

Per-channel state.

SndCommand

A sound command extracted from a snd resource or queued via SndDoCommand. Sound 1994, 2-92

SoundManager

Top-level sound manager state, owned by TrapDispatcher.

Enums

PendingSoundCallback

A pending callback or completion routine to fire from interrupt context.

Constants

OUTPUT_RATE

Output sample rate in Hz.

RATE_11KHZ_FIXED

Classic Sound Manager rate11khz fixed-point value (11127.27273 Hz).

RATE_22KHZ_FIXED

Classic Sound Manager rate22khz fixed-point value (22254.54545 Hz).