forked from hkc/cc-stuff
56 lines
1.1 KiB
Lua
56 lines
1.1 KiB
Lua
local args = { ... }
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local dfpwm = require("cc.audio.dfpwm")
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if not http then
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print("no http, check config")
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return
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end
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local speaker = peripheral.find("speaker")
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if not speaker then
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print("no speaker")
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return
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end
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local req, err = http.get(args[1], {}, true)
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if not req then
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print("failed to perform HTTP request")
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print(err)
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return
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end
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local headers = req.getResponseHeaders()
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local length = tonumber(headers["Content-Length"]) or 0
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local function decode_s8(data)
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local buffer = {}
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for i = 1, #data do
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local v = string.byte(data, i)
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if bit32.band(v, 0x80) then
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v = bit32.bxor(v, 0x7F) - 128
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end
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buffer[i] = v
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end
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return buffer
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end
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local use_dfpwm = ({ args[1]:find("%.dfpwm") })[2] == #args[1]
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local decode = use_dfpwm and dfpwm.make_decoder() or decode_s8
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local read_bytes = 0
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while true do
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local chunk = req.read(16384)
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if not chunk then
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break
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end
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local buffer = decode(chunk)
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while not speaker.playAudio(buffer) do
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os.pullEvent("speaker_audio_empty")
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end
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end
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print()
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