Hacker-Software/ARIA-AGENT
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 119 Wiki Activity

fix(audio): kurze TTS-Texte spielen wieder ab — AudioTrack-Buffer entkoppelt von Preroll

Browse Source 
OnePlus A12 stallte bei kurzem Text mit pos=0/34112: 336KB Buffer fuer
3.5s Preroll, aber nur 68KB Daten drin → AudioTrack faehrt nicht an.

Fix: Buffer fest auf ~2s, plus play()-Retry bei pos=0 nach 500ms.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
duffyduck
2026-05-10 14:11:53 +02:00
parent 13f1103604
commit 79760d1b2e
1 changed files with 15 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
android/android/app/src/main/java/com/ariacockpit/PcmStreamPlayerModule.kt
+15 -3
View File
@@ -78,9 +78,12 @@ class PcmStreamPlayerModule(reactContext: ReactApplicationContext) : ReactContex
val encoding = AudioFormat.ENCODING_PCM_16BIT val encoding = AudioFormat.ENCODING_PCM_16BIT
val minBuf = AudioTrack.getMinBufferSize(sampleRate, channelConfig, encoding) val minBuf = AudioTrack.getMinBufferSize(sampleRate, channelConfig, encoding)
val bytesPerSecond = sampleRate * channels * 2 // 16-bit = 2 bytes val bytesPerSecond = sampleRate * channels * 2 // 16-bit = 2 bytes
// Buffer muss mindestens PREROLL + etwas Spielraum fassen.
val prerollTarget = (bytesPerSecond * prerollSec).toInt() val prerollTarget = (bytesPerSecond * prerollSec).toInt()
val bufferSize = (minBuf * 32).coerceAtLeast(prerollTarget * 2) // Buffer entkoppelt von Preroll — fester ~2s-Buffer reicht. Wenn er
// an Preroll gekoppelt ist (z.B. 7s bei preroll=3.5s) und nur kurz
// gefuettert wird, stallt AudioTrack auf manchen Geraeten (OnePlus
// Android 12: pos bleibt 0 obwohl play() lief).
val bufferSize = (bytesPerSecond * 2).coerceAtLeast(minBuf * 8)
prerollBytes = prerollTarget prerollBytes = prerollTarget
bytesBuffered = 0 bytesBuffered = 0
playbackStarted = false playbackStarted = false
@@ -237,12 +240,21 @@ class PcmStreamPlayerModule(reactContext: ReactApplicationContext) : ReactContex
val totalFrames = (bytesBuffered / streamBytesPerFrame).toInt() val totalFrames = (bytesBuffered / streamBytesPerFrame).toInt()
var lastPos = -1 var lastPos = -1
var stalledCount = 0 var stalledCount = 0
var retried = false
while (!writerShouldStop) { while (!writerShouldStop) {
val pos = t.playbackHeadPosition val pos = t.playbackHeadPosition
if (pos >= totalFrames) break if (pos >= totalFrames) break
// Safety: wenn Position 2s nicht mehr vorwaerts → AudioTrack hing
if (pos == lastPos) { if (pos == lastPos) {
stalledCount++ stalledCount++
// Nach 500ms Stillstand: AudioTrack-Quirk auf manchen
// Geraeten (OnePlus A12) — play() nochmal anstossen.
if (stalledCount == 10 && pos == 0 && !retried) {
retried = true
Log.w(TAG, "playback nicht angefahren — retry play()")
try { t.play() } catch (e: Exception) {
Log.w(TAG, "retry play() failed: ${e.message}")
}
}
if (stalledCount > 40) { if (stalledCount > 40) {
Log.w(TAG, "playback stalled at $pos/$totalFrames — give up") Log.w(TAG, "playback stalled at $pos/$totalFrames — give up")
break break