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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
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@@ -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)
}