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audio adapter now takes ui8 bytes directly

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This commit is contained in:
minjaesong
2023-01-01 18:14:43 +09:00
parent 7d55827551
commit 77ff9c12ec
8 changed files with 214 additions and 200 deletions
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50
assets/disk0/home/soundtest.js
View File

@@ -96,43 +96,9 @@ function readBytes(length) {
return ptr
}
/*let sampleSize = FILE_SIZE
const FETCH_INTERVAL = 631578947
let updateAkku = FETCH_INTERVAL
let oldNanoTime = sys.nanoTime()
const BLOCK_SIZE = 37894
audio.setPcmMode(0)
audio.setMasterVolume(0, 255)
while (sampleSize > 0) {
let newNanoTime = sys.nanoTime()
updateAkku += newNanoTime - oldNanoTime
oldNanoTime = newNanoTime
if (updateAkku >= FETCH_INTERVAL) {
println((FILE_SIZE - sampleSize) / FILE_SIZE * 100 + "%")
updateAkku -= FETCH_INTERVAL
let readLength = (sampleSize < BLOCK_SIZE) ? sampleSize : BLOCK_SIZE
let samples = readBytes(readLength)
audio.setUploadLength(0, readLength)
audio.putPcmDataByPtr(samples, readLength, 0)
audio.play(0)
sampleSize -= readLength
sys.free(samples)
}
sys.spin()
}*/
let sampleSize = FILE_SIZE
const BLOCK_SIZE = 4096
const QUEUEING_SIZE = 4
const QUEUE_MAX = 4 // according to the spec
audio.resetParams(0)
audio.purgeQueue(0)
@@ -145,20 +111,23 @@ audio.setMasterVolume(0, 255)
while (sampleSize > 0) {
let queueSize = audio.getPosition(0)
serial.println(`[js] Trying to upload samples, queueSize = ${queueSize}`)
// serial.println(`[js] Trying to upload samples, queueSize = ${queueSize}`)
print(".")
if (queueSize == 0) {
if (queueSize <= 1) {
serial.println(`[js] Queue size: ${queueSize}; uploading ${QUEUE_MAX - queueSize} samples`)
println()
println((FILE_SIZE - sampleSize) / FILE_SIZE * 100 + " %")
// upload four samples for lag-safely
for (let repeat = QUEUEING_SIZE; repeat > 0; repeat--) {
for (let repeat = QUEUE_MAX - queueSize; repeat > 0; repeat--) {
let readLength = (sampleSize < BLOCK_SIZE) ? sampleSize : BLOCK_SIZE
let samples = readBytes(readLength)
audio.putPcmDataByPtr(samples, readLength, 0)
audio.uploadSamples(0, readLength)
audio.setSampleUploadLength(0, readLength)
audio.startSampleUpload(0)
sampleSize -= readLength
sys.free(samples)
@@ -169,6 +138,9 @@ while (sampleSize > 0) {
audio.play(0)
}
// audio.setMasterVolume(0, (Math.random()*255)|0)
sys.sleep(10)
}

22
assets/disk0/tvdos/bin/command.js
View File

@@ -502,6 +502,27 @@ shell.coreutils = {
}
else return 1
},
mv: function(args) {
if (args[2] === undefined || args[1] === undefined) {
printerrln(`Usage: ${args[0].toUpperCase()} source_file destination_file`)
return
}
let path = shell.resolvePathInput(args[1])
let pathd = shell.resolvePathInput(args[2])
let sourceFile = files.open(path.full)
let destFile = files.open(pathd.full)
debugprintln(`[cp] source path: ${path.full}`)
debugprintln(`[cp] dest path: ${pathd.full}`)
if (sourceFile.isDirectory || !sourceFile.exists) { printerrln(`${args[0].toUpperCase()} failed for '${sourceFile.fullPath}'`); return 1 } // if file is directory or failed to open, IO error code will be returned
if (destFile.isDirectory) { printerrln(`${args[0].toUpperCase()} failed for '${destFile.fullPath}'`); return 1 } // if file is directory or failed to open, IO error code will be returned
destFile.bwrite(sourceFile.bread())
destFile.flush(); destFile.close()
sourceFile.remove()
},
rem: function(args) {
return 0
},
@@ -555,6 +576,7 @@ shell.coreutils.rm = shell.coreutils.del
shell.coreutils.ls = shell.coreutils.dir
shell.coreutils.time = shell.coreutils.date
shell.coreutils.md = shell.coreutils.mkdir
shell.coreutils.move = shell.coreutils.mv
// end of command aliases
Object.freeze(shell.coreutils)
shell.stdio = {