sim-lib-plugin-wasm 0.1.0-rc.1

WebAssembly audio plugin host for SIM audio graph processors.
Documentation 
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(module
  (import "env" "host_frame_count" (func $fc (result i32)))
  (import "env" "host_audio_read" (func $ar (param i32 i32) (result f32)))
  (import "env" "host_audio_write" (func $aw (param i32 i32 f32)))
  (import "env" "host_param_get" (func $pg (param i32) (result f64)))
  (memory (export "memory") 1)
  (data (i32.const 0) "\02\00\02\00\01\00\00\00")
  (data (i32.const 8) "gain")
  (data (i32.const 72) "sim")
  (data (i32.const 104) "sim.gain")
  (func (export "sim_audio_manifest_ptr") (result i32)
    i32.const 0)
  (func (export "sim_audio_prepare") (param f64 i32))
  (func (export "sim_audio_reset"))
  (func (export "sim_audio_process") (result i32)
    (local $n i32)
    (local $ch i32)
    (local $frame i32)
    (local $gain f32)
    (local.set $n (call $fc))
    (local.set $gain (f32.demote_f64 (call $pg (i32.const 0))))
    (local.set $ch (i32.const 0))
    (block $channels_done
      (loop $channels
        (br_if $channels_done (i32.ge_u (local.get $ch) (i32.const 2)))
        (local.set $frame (i32.const 0))
        (block $frames_done
          (loop $frames
            (br_if $frames_done (i32.ge_u (local.get $frame) (local.get $n)))
            (call $aw
              (local.get $ch)
              (local.get $frame)
              (f32.mul
                (call $ar (local.get $ch) (local.get $frame))
                (local.get $gain)))
            (local.set $frame (i32.add (local.get $frame) (i32.const 1)))
            (br $frames)))
        (local.set $ch (i32.add (local.get $ch) (i32.const 1)))
        (br $channels)))
    i32.const 0))