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mp3 wip

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This commit is contained in:
minjaesong
2023-01-14 02:04:41 +09:00
parent 1c9e99bb66
commit f23dedc245
6 changed files with 159 additions and 120 deletions
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16
assets/disk0/tvdos/include/js-mp3/sideinfo.js
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@@ -73,23 +73,21 @@ var Sideinfo = {
if (fheader.protectionBit() === 0) {
main_data_size -= 2;
}
// serial.println(`sideinfo readFull(${sideinfo_size})`)
// Read sideinfo from bitstream into buffer used by Bits()
var result = source.readFull(sideinfo_size);
if (result.err) {
return {
err: result.err
}
}
var buf = result.buf;
var buf = source.readFull(sideinfo_size);
// var buf = new Uint8Array(source.buf, pos, sideinfo_size);
if (buf.byteLength < sideinfo_size) {
if (buf.length < sideinfo_size) {
return {
v: null,
pos: pos,
err: "mp3: couldn't read sideinfo " + sideinfo_size + " bytes"
}
}
var s = Bits.createNew(new Uint8Array(buf.slice()).buffer);
var s = Bits.createNew(new Uint8Array(buf).buffer);
// Parse audio data
// Pointer to where we should start reading main data