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mp2 test

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minjaesong
2023-01-14 22:59:27 +09:00
parent 994db188c2
commit 0eb4a1e4ea
4 changed files with 1094 additions and 5 deletions
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9
assets/disk0/tvdos/bin/playmp3.js
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@@ -134,7 +134,6 @@ function decodeAndResample(inPtr, outPtr, inputLen) {
// soothing visualiser(????)
// printvis(`${sampleToVisual(sample[0])} | ${sampleToVisual(sample[1])}`)
}
return inputLen / 2
}
@@ -201,15 +200,15 @@ try {
let declen = decodeAndResample(ptr, decodePtr, len)
decodeAndResample(ptr, decodePtr, len)
audio.putPcmDataByPtr(decodePtr, declen, 0)
audio.setSampleUploadLength(0, declen)
audio.putPcmDataByPtr(decodePtr, len >> 1, 0)
audio.setSampleUploadLength(0, len >> 1)
audio.startSampleUpload(0)
let decodingTime = (t2 - t1) / 1000000.0
bufRealTimeLen = (declen) / 64000.0 * 1000
bufRealTimeLen = (len >> 1) / 64000.0 * 1000
t1 = t2
printdbg(`Decoded ${decodedLength} bytes; target: ${bufRealTimeLen} ms, lag: ${decodingTime - bufRealTimeLen} ms`)