add internal/audio_input module

res/scripts/hud.lua

@@ -134,6 +134,10 @@ function on_hud_open()
     audio.play_sound_2d("test-sound", 2.0, 1.0, "ui")
 end
 
+audio.input.request_open(function(token)
+    input_access_token = token
+end)
+
 function on_hud_render()
     if hud.hand_controller then
         hud.hand_controller()
@@ -141,6 +145,8 @@ function on_hud_render()
         update_hand()
     end
 
-    local bytes = audio.fetch_input()
-    stream:feed(bytes)
+    if input_access_token then
+        local bytes = audio.fetch_input(input_access_token)
+        stream:feed(bytes)
+    end
 end

res/scripts/stdlib.lua

@@ -179,6 +179,7 @@ end
 
 require "core:internal/maths_inline"
 require "core:internal/debugging"
+require "core:internal/audio_input"
 asserts = require "core:internal/asserts"
 events = require "core:internal/events"
 

res/scripts/stdmin.lua

@@ -2,7 +2,7 @@ local _ffi = ffi
 local _debug_getinfo = debug.getinfo
 
 function crc32(bytes, chksum)
-    local chksum = chksum or 0
+    chksum = chksum or 0
 
     local length = #bytes
     if type(bytes) == "table" then