player.lua

local dfpwm = require("cc.audio.dfpwm")
local speaker = peripheral.find("speaker")
local player = {}

function player.playSoundByPath(path)
    if not speaker then
        return "speaker not found"
    end

    local decoder = dfpwm.make_decoder()

    if not decoder then
        return error("decoder not found")
    end

    for chunk in io.lines(path, 16 * 1024) do
        local buffer = decoder(chunk)

        while not speaker.playAudio(buffer) do
            os.pullEvent("speaker_audio_empty")
        end
    end

    return "sound played"
end

function player.playNotice()
    player.playSoundByPath("sounds/icq_sms-1.dfpwm");
end

function player.playStartup()
    player.playSoundByPath("sounds/startup-sound.dfpwm");
end

return player