"Sound XZ is missing" alert

[Tonyleila]

Hey, I'm currently working much with my AddOn Sound Pack. It adds many new sounds to your Shared Media Library.

Now I woud like to have a chat print warning or something like this if I registered a sound file wong. Currently the file is showing up but there is no error it just won't play. Woud make it much more easy than to test all 350 files ingame.

http://wow.gamepedia.com/API_PlaySoundFile

There does not appear to be a bad error if the file is missing - it just won't play. There is a return status, which is 1 if the sound was OK and nil if it couldn't be found.

Current code:

local LSM = LibStub("LibSharedMedia-3.0")
LSM:Register("sound", "SoundPack: Alarm_01", [[Interface\Addons\SoundPack\01_Alarms+Bells\Alarm_01.ogg]])

local LSM3 = LibStub("LibSharedMedia-3.0", true)
local LSM2 = LibStub("LibSharedMedia-2.0", true)
local SML = LibStub("SharedMedia-1.0", true)
 
SoundPack = {}
SoundPack.revision = tonumber(string.sub("$Revision$", 12, -3)) or 1
 
function SoundPack:Register(mediatype, key, data, langmask)
    if LSM3 then
        LSM3:Register(mediatype, key, data, langmask)
    end
    if LSM2 then
        LSM2:Register(mediatype, key, data)
    end
    if SML then
        SML:Register(mediatype, key, data)
    end
    if not SoundPack.registry[mediatype] then
        SoundPack.registry[mediatype] = {}
    end
    table.insert(SoundPack.registry[mediatype], { key, data, langmask})
end
 
function SoundPack.OnEvent(this, event, ...)
    if not LSM3 then
        LSM3 = LibStub("LibSharedMedia-3.0", true)
        if LSM3 then
            for m,t in pairs(SoundPack.registry) do
                for _,v in ipairs(t) do
                    LSM3:Register(m, v[1], v[2], v[3])
                end
            end
        end
    end
    if not LSM2 then
        LSM2 = LibStub("LibSharedMedia-2.0", true)
        if LSM2 then
            for m,t in pairs(SoundPack.registry) do
                for _,v in ipairs(t) do
                    LSM2:Register(m, v[1], v[2])
                end
            end
        end
    end
    if not SML then
        SML = LibStub("SharedMedia-1.0", true)
        if SML then
            for m,t in pairs(SoundPack.registry) do
                for _,v in ipairs(t) do
                    SML:Register(m, v[1], v[2])
                end
            end
        end
    end
end
 
SoundPack.frame = CreateFrame("Frame")
SoundPack.frame:SetScript("OnEvent", SoundPack.OnEvent)
SoundPack.frame:RegisterEvent("ADDON_LOADED")