chore(stt): retrait du backend STT "lib" (non utilisé/non validé)
Le backend STT "lib" (KazeiaSttAdapter → com.kazeia.stt.SttEngine → libkazeia_stt) n'était jamais le défaut (sttEngine="prod"=Whisper) et restait non validé (transcriptions vides/drift, A/B non mergé). Retiré : - KazeiaService : dispatch STT simplifié → WhisperHybridEngine seul. - archivés : KazeiaSttAdapter.kt, stt/SttEngine.kt, BenchQnnHarness.kt + libkazeia_stt.so (/opt/Kazeia/archive/2026-06-18_cosyvoice-bascule/stt-lib/). - KazeiaApplication : trigger bench_qnn retiré. - ConfigStore.sttEngine documenté vestigial. - manifest jniLibs re-figé (18→17). Gardés : WhisperHybridEngine (NPU, gelé), MelExtractor (mel_extractor), core.SttEngine. Build vert. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Kazeia Team
parent
a1c785bdf8
commit
ecda7b5715
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@ -46,19 +46,6 @@ class KazeiaApplication : Application() {
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// requires its own initialization sequence. Loading libs out of order causes
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// requires its own initialization sequence. Loading libs out of order causes
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// native crashes. Unity handles lib loading internally in onCreate().
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// native crashes. Unity handles lib loading internally in onCreate().
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// Bench QNN options : déclenché par `touch <files>/bench_qnn.trigger` puis relance app.
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// Charge WhisperHybridEngine + transcrit /files/bench_audio/*.wav (3×, médiane).
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val trig = java.io.File(getExternalFilesDir(null), "bench_qnn.trigger")
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if (trig.exists()) {
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trig.delete()
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Thread {
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com.kazeia.stt.BenchQnnHarness.runBench(
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ctx = this@KazeiaApplication,
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audioDir = java.io.File(getExternalFilesDir(null), "bench_audio"),
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modelDir = "$MODELS_DIR/whisper-small-sm8750"
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)
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}.start()
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}
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// Bench LLM (lib CPU-only) : `touch <files>/bench_llm.trigger`, relance app.
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// Bench LLM (lib CPU-only) : `touch <files>/bench_llm.trigger`, relance app.
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// Charge EngineLlmEngine + 3 prompts FR thérapeutiques.
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// Charge EngineLlmEngine + 3 prompts FR thérapeutiques.
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val trigLlm = java.io.File(getExternalFilesDir(null), "bench_llm.trigger")
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val trigLlm = java.io.File(getExternalFilesDir(null), "bench_llm.trigger")
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@ -61,9 +61,9 @@ class ConfigStore private constructor(private val file: File) {
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/** Synthèse vocale active. Si false : pas de TTS, réponse affichée
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/** Synthèse vocale active. Si false : pas de TTS, réponse affichée
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* progressivement (token par token). Pilotable depuis l'app admin. */
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* progressivement (token par token). Pilotable depuis l'app admin. */
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val ttsEnabled: Boolean = true,
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val ttsEnabled: Boolean = true,
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/** Backend STT : "prod" = WhisperHybridEngine gelé, "lib" = libkazeia_stt
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/** Backend STT : VESTIGIAL depuis le retrait du backend "lib" (2026-06-18,
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* (Kazeia-Engine unifié, A/B identique sur set 6 audios mais à valider plus large).
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* non validé). KazeiaService charge toujours WhisperHybridEngine (NPU, gelé).
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* Pilotable depuis l'app admin / provider. Defaults safe = "prod". */
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* Champ conservé pour compat config/télémétrie. */
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val sttEngine: String = "prod",
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val sttEngine: String = "prod",
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/** Backend LLM : VESTIGIAL depuis la refonte 2026-06-17. Le dispatch ne passe
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/** Backend LLM : VESTIGIAL depuis la refonte 2026-06-17. Le dispatch ne passe
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* plus par cette valeur : KazeiaService charge tout LLM via UnifiedLlmAdapter
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* plus par cette valeur : KazeiaService charge tout LLM via UnifiedLlmAdapter
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@ -1,4 +1,4 @@
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// Harness LLM ADB-pilotable, mirror de BenchQnnHarness STT.
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// Harness LLM ADB-pilotable (bench LLM in-app).
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// Déclenchement : `touch <files>/bench_llm.trigger`, relance app.
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// Déclenchement : `touch <files>/bench_llm.trigger`, relance app.
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// Valide le chemin refonte 2026-06-17 : UnifiedLlmAdapter (magic-byte) sur
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// Valide le chemin refonte 2026-06-17 : UnifiedLlmAdapter (magic-byte) sur
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// 1) le GGUF par défaut (Qwen3.5-4B, CPU i8mm + session cache-préfixe)
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// 1) le GGUF par défaut (Qwen3.5-4B, CPU i8mm + session cache-préfixe)
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@ -480,18 +480,13 @@ Pas d'introduction, pas d'explication. Juste les 4 lignes en francais. /no_think
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// pendant TTS (caché derrière le playback) et release pendant
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// pendant TTS (caché derrière le playback) et release pendant
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// les phases LLM/TTS où Whisper ne sert pas.
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// les phases LLM/TTS où Whisper ne sert pas.
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_loadingState.value = LoadingState(25, "STT Whisper (lazy)…")
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_loadingState.value = LoadingState(25, "STT Whisper (lazy)…")
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// Backend STT pilotable via ConfigStore.sttEngine. Default "prod" =
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// STT = WhisperHybridEngine (NPU, gelé) — SEUL backend depuis le retrait
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// WhisperHybridEngine gelé. "lib" = KazeiaSttAdapter (libkazeia_stt.so).
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// du backend "lib" (KazeiaSttAdapter/libkazeia_stt) non validé, 2026-06-18.
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val sttBackend = runtimeConfig.sttEngine
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// ConfigStore.sttEngine est désormais vestigial (compat config).
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val npuStt: com.kazeia.core.SttEngine = when (sttBackend) {
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val npuStt: com.kazeia.core.SttEngine = WhisperHybridEngine(nativeLibDir) { msg -> log("[STT] $msg") }
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"lib" -> com.kazeia.stt.KazeiaSttAdapter(
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"$modelsDir/whisper-small-sm8750"
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) { msg -> log("[STT] $msg") }
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else -> WhisperHybridEngine(nativeLibDir) { msg -> log("[STT] $msg") }
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}
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sttModelPath = "$modelsDir/whisper-small-sm8750"
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sttModelPath = "$modelsDir/whisper-small-sm8750"
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stt = npuStt
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stt = npuStt
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log("Whisper créé backend='$sttBackend' (lazy load au 1er PTT)")
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log("Whisper créé (lazy load au 1er PTT)")
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addMessage(ChatMessage(
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addMessage(ChatMessage(
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role = ChatMessage.Role.SYSTEM,
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role = ChatMessage.Role.SYSTEM,
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text = "STT: Whisper-Small NPU"
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text = "STT: Whisper-Small NPU"
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@ -1,104 +0,0 @@
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// A/B harness : WhisperHybridEngine (prod) vs SttEngine (Kazeia-Engine lib unifiée)
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// sur les mêmes WAVs PCM16 mono 16 kHz. 3 runs/audio, médiane.
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// Déclenchement : `touch <files>/bench_qnn.trigger`, relance app.
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package com.kazeia.stt
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import android.content.Context
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import android.util.Log
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import kotlinx.coroutines.runBlocking
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import java.io.File
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object BenchQnnHarness {
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private const val TAG = "BenchQnn"
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fun runBench(ctx: Context, audioDir: File, modelDir: String) {
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val wavs = audioDir.listFiles { _, n -> n.endsWith(".wav") }?.sortedBy { it.name }
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?: run { Log.e(TAG, "no WAVs in $audioDir"); return }
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// -------- A/ WhisperHybridEngine (prod patché QNN) --------
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Log.i(TAG, "=== A/ WhisperHybridEngine (prod) ===")
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val prodTimes = mutableMapOf<String, Long>()
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val prodTexts = mutableMapOf<String, String>()
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run {
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val eng = WhisperHybridEngine(nativeLibDir = ctx.applicationInfo.nativeLibraryDir) { Log.i(TAG, it) }
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runBlocking { eng.load(modelPath = modelDir) }
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if (!eng.isLoaded()) { Log.e(TAG, "WhisperHybridEngine load FAILED"); return@run }
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wavs.firstOrNull()?.let { readWavPcm16(it)?.let { p -> runBlocking { eng.transcribe(p, "fr") } } }
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for (f in wavs) {
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val pcm = readWavPcm16(f) ?: continue
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val t = mutableListOf<Long>(); var text = ""
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repeat(3) {
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val t0 = System.currentTimeMillis()
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text = runBlocking { eng.transcribe(pcm, "fr") }.text
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t.add(System.currentTimeMillis() - t0)
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}
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t.sort()
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prodTimes[f.name] = t[1]; prodTexts[f.name] = text
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Log.i(TAG, "[PROD] ${f.name}: median=${t[1]}ms '${text}'")
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}
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eng.release()
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}
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// -------- B/ SttEngine (libkazeia_stt) --------
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Log.i(TAG, "=== B/ SttEngine (libkazeia_stt) ===")
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val libTimes = mutableMapOf<String, Long>()
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val libTexts = mutableMapOf<String, String>()
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val libSteps = mutableMapOf<String, Triple<Int, Int, Int>>()
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run {
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val eng = try { SttEngine(modelDir, useHtp = true, nThreads = 6) }
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catch (e: Exception) { Log.e(TAG, "SttEngine load FAILED: ${e.message}"); return@run }
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wavs.firstOrNull()?.let { readWavPcm16(it)?.let { p -> try { eng.transcribe(p, "fr") } catch (_: Exception) {} } }
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for (f in wavs) {
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val pcm = readWavPcm16(f) ?: continue
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val t = mutableListOf<Long>(); var r: SttResult? = null
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repeat(3) {
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val t0 = System.currentTimeMillis()
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try { r = eng.transcribe(pcm, "fr") } catch (e: Exception) { Log.e(TAG, "transcribe fail ${f.name}: ${e.message}"); return@repeat }
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t.add(System.currentTimeMillis() - t0)
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}
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if (r == null) continue
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t.sort()
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val rr = r!!
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libTimes[f.name] = t[1]; libTexts[f.name] = rr.text
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libSteps[f.name] = Triple(rr.melMs, rr.encoderMs, rr.decoderMs)
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Log.i(TAG, "[LIB ] ${f.name}: median=${t[1]}ms mel=${rr.melMs} enc=${rr.encoderMs} dec=${rr.decoderMs} ntok=${rr.nTokens} '${rr.text}'")
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}
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eng.release()
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}
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// -------- A/B récap --------
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Log.i(TAG, "=== A/B récap ===")
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var prodTot = 0L; var libTot = 0L; var audioTot = 0L
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var same = 0; var near = 0
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for (f in wavs) {
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val a = prodTimes[f.name] ?: continue
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val b = libTimes[f.name] ?: continue
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val durMs = (readWavPcm16(f)?.size ?: 0) * 1000L / 16000
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prodTot += a; libTot += b; audioTot += durMs
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val ta = (prodTexts[f.name] ?: "").trim().lowercase()
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val tb = (libTexts[f.name] ?: "").trim().lowercase()
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val isSame = ta == tb
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val isNear = !isSame && ta.replace(Regex("\\W+"), "") == tb.replace(Regex("\\W+"), "")
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if (isSame) same++ else if (isNear) near++
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val mark = if (isSame) "≡" else if (isNear) "~" else "≠"
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Log.i(TAG, " ${f.name.padEnd(14)} prod=${a}ms lib=${b}ms Δ=${b - a}ms $mark")
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Log.i(TAG, " prod='${prodTexts[f.name]}'")
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Log.i(TAG, " lib ='${libTexts[f.name]}'")
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}
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if (audioTot > 0) {
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Log.i(TAG, "TOTAL prod=${prodTot}ms (RTF ${"%.3f".format(prodTot.toDouble() / audioTot)}) lib=${libTot}ms (RTF ${"%.3f".format(libTot.toDouble() / audioTot)})")
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}
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Log.i(TAG, "ACCURACY identique=$same/${wavs.size} proche(ponct.)=$near diff=${wavs.size - same - near}")
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Log.i(TAG, "=== Bench end ===")
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}
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private fun readWavPcm16(f: File): ShortArray? = try {
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val b = f.readBytes()
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var off = 44
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for (i in 12 until b.size - 8)
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if (b[i] == 'd'.code.toByte() && b[i+1] == 'a'.code.toByte() &&
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b[i+2] == 't'.code.toByte() && b[i+3] == 'a'.code.toByte()) { off = i + 8; break }
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val n = (b.size - off) / 2
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ShortArray(n) { i -> ((b[off + 2*i].toInt() and 0xFF) or (b[off + 2*i + 1].toInt() shl 8)).toShort() }
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} catch (e: Exception) { Log.e(TAG, "wav fail ${f.name}: ${e.message}"); null }
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}
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@ -1,51 +0,0 @@
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package com.kazeia.stt
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import com.kazeia.core.SttEngine as CoreSttEngine
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import com.kazeia.core.TranscriptionResult
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.withContext
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/**
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* Adapter qui expose la lib unifiée Kazeia-Engine STT
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* (com.kazeia.stt.SttEngine, façade native de libkazeia_stt.so) derrière
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* l'interface prod com.kazeia.core.SttEngine. Sert au swap réversible piloté
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* par le flag config `sttEngine` ("prod" | "lib").
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*
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* Mesuré 2026-06-01, A/B sur 6 audios FR 3 s mono 16k vs WhisperHybridEngine :
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* - accuracy 6/6 identique au texte prod
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* - RTF global −21 % (gain decodeur-lourd, mel DFT 400 plus cher que prod FFT 512)
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* - RAM ~−30 % (≈379 MB vs 545)
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* Cf [[project-stt-engine-ab-in-app]] pour le détail.
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*/
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class KazeiaSttAdapter(
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private val modelDir: String,
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private val useHtp: Boolean = true,
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private val nThreads: Int = 6,
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private val onLog: ((String) -> Unit)? = null
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) : CoreSttEngine {
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private var engine: SttEngine? = null
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override suspend fun load(modelPath: String?) = withContext(Dispatchers.IO) {
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if (engine != null) return@withContext
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val t0 = System.currentTimeMillis()
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val dir = modelPath ?: modelDir
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engine = SttEngine(dir, useHtp = useHtp, nThreads = nThreads)
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onLog?.invoke("KazeiaSttAdapter loaded in ${System.currentTimeMillis() - t0}ms (path=$dir)")
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}
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override fun isLoaded(): Boolean = engine != null
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override suspend fun transcribe(audioData: ShortArray, language: String): TranscriptionResult =
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withContext(Dispatchers.IO) {
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val e = engine ?: throw IllegalStateException("KazeiaSttAdapter not loaded")
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val r = e.transcribe(audioData, language = language)
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TranscriptionResult(
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text = r.text,
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confidence = 1.0f,
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language = language,
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durationMs = r.totalMs.toLong()
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)
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}
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override fun release() { engine?.release(); engine = null }
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}
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package com.kazeia.stt
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// Engine STT Whisper-Small (Qualcomm AI Hub HfWhisper KV-cache) in-process.
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// Backend : ONNX Runtime + QNN ExecutionProvider (HTP V79 sur SM8750).
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// Empreinte RAM : ~545 MB (encoder ctx 201 MB + decoder ctx 345 MB).
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//
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// Bench prod (Whisper-Small, FR, audio 1.6s) : ~825 ms, RTF 0.51.
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// Bench port C++ (audio 5s, FR) : ~2000 ms, RTF 0.40 — voir CLAUDE.md/STT.
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//
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// Le bridge natif est dans dist/jni/kazeia_stt_jni.cpp ; build via
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// dist/build_kazeia_stt.sh.
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class SttJni {
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external fun nativeLoad(
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modelDir: String,
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useHtp: Boolean,
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nThreads: Int,
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maxDecodeSteps: Int
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): Long
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/** Renvoie une chaîne : "err|text|mel_ms|enc_ms|dec_ms|total_ms|n_tokens|rtf" */
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external fun nativeTranscribe(
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handle: Long,
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pcm: ShortArray,
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sampleRate: Int,
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language: String,
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forceTranscribe: Boolean
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): String
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external fun nativeFree(handle: Long)
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external fun nativeVadNew(
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sampleRate: Int, frameSize: Int, rmsThreshold: Int,
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minSpeechFrames: Int, silenceEndFrames: Int
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): Long
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/** 0 = silence, 1 = speech in progress, 2 = end_of_speech declenched */
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external fun nativeVadPush(handle: Long, pcm: ShortArray): Int
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external fun nativeVadReset(handle: Long)
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external fun nativeVadFree(handle: Long)
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companion object { init { System.loadLibrary("kazeia_stt") } }
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}
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data class SttResult(
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val text: String,
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val melMs: Int,
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val encoderMs: Int,
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val decoderMs: Int,
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val totalMs: Int,
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val nTokens: Int,
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val rtf: Float
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)
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class SttEngine(
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modelDir: String,
|
|
||||||
useHtp: Boolean = true,
|
|
||||||
nThreads: Int = 6,
|
|
||||||
maxDecodeSteps: Int = 200
|
|
||||||
) {
|
|
||||||
private val jni = SttJni()
|
|
||||||
private val h = jni.nativeLoad(modelDir, useHtp, nThreads, maxDecodeSteps)
|
|
||||||
init { require(h != 0L) { "SttEngine: load FAILED (modelDir=$modelDir, useHtp=$useHtp)" } }
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Transcrit un buffer PCM16 mono. Le sample rate doit être 16000 (resample externe sinon).
|
|
||||||
* @param language "fr", "en", "auto", ... (cf Whisper langues, 99 codes ISO).
|
|
||||||
* @param forceTranscribe true -> override <|translate|> en <|transcribe|>.
|
|
||||||
*/
|
|
||||||
@Throws(IllegalStateException::class)
|
|
||||||
fun transcribe(
|
|
||||||
pcm: ShortArray,
|
|
||||||
language: String = "fr",
|
|
||||||
sampleRate: Int = 16000,
|
|
||||||
forceTranscribe: Boolean = true
|
|
||||||
): SttResult {
|
|
||||||
val raw = jni.nativeTranscribe(h, pcm, sampleRate, language, forceTranscribe)
|
|
||||||
// Format : "err|text|mel|enc|dec|total|n_tokens|rtf"
|
|
||||||
// limit=8 conserve un éventuel '|' dans le texte (au cas où) dans le 2e champ.
|
|
||||||
val parts = raw.split('|', limit = 8)
|
|
||||||
if (parts.size < 8) error("SttEngine.transcribe: format inattendu '$raw'")
|
|
||||||
val err = parts[0].toInt()
|
|
||||||
if (err != 0) error("SttEngine.transcribe err=$err raw='$raw'")
|
|
||||||
return SttResult(
|
|
||||||
text = parts[1],
|
|
||||||
melMs = parts[2].toInt(),
|
|
||||||
encoderMs = parts[3].toInt(),
|
|
||||||
decoderMs = parts[4].toInt(),
|
|
||||||
totalMs = parts[5].toInt(),
|
|
||||||
nTokens = parts[6].toInt(),
|
|
||||||
rtf = parts[7].toFloat()
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
fun release() { jni.nativeFree(h) }
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* VAD RMS énergie compatible drop-in avec VadStage.kt prod.
|
|
||||||
* Paramètres par défaut : 16 kHz, frame 100 ms (1600 samples), seuil PCM16 brut 150,
|
|
||||||
* 3 frames pour déclencher parole (300 ms), 8 frames pour fin (800 ms).
|
|
||||||
*
|
|
||||||
* Usage typique :
|
|
||||||
* val vad = SttVad()
|
|
||||||
* audioRecord.read(buf) { pcm ->
|
|
||||||
* when (vad.push(pcm)) {
|
|
||||||
* SttVad.SILENCE -> { ... }
|
|
||||||
* SttVad.SPEECH -> { ... // bufferise }
|
|
||||||
* SttVad.END_OF_SPEECH -> { stt.transcribe(buffer) ; vad.reset() ; buffer.clear() }
|
|
||||||
* }
|
|
||||||
* }
|
|
||||||
*/
|
|
||||||
class SttVad(
|
|
||||||
sampleRate: Int = 16000,
|
|
||||||
frameSize: Int = 1600,
|
|
||||||
rmsThreshold: Int = 150,
|
|
||||||
minSpeechFrames: Int = 3,
|
|
||||||
silenceEndFrames: Int = 8
|
|
||||||
) {
|
|
||||||
private val jni = SttJni()
|
|
||||||
private val h = jni.nativeVadNew(sampleRate, frameSize, rmsThreshold,
|
|
||||||
minSpeechFrames, silenceEndFrames)
|
|
||||||
fun push(pcm: ShortArray): Int = jni.nativeVadPush(h, pcm)
|
|
||||||
fun reset() { jni.nativeVadReset(h) }
|
|
||||||
fun release() { jni.nativeVadFree(h) }
|
|
||||||
|
|
||||||
companion object {
|
|
||||||
const val SILENCE = 0
|
|
||||||
const val SPEECH = 1
|
|
||||||
const val END_OF_SPEECH = 2
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -12,7 +12,6 @@ d523468d62d9b603cb3354294d70d4b2feabf2c3f1e43b0c96c9aabf32813708 libc++_shared.
|
||||||
b92ca83a53dab49e212fba411b48fcceca4331b05fe881e2b9220efed45e70b1 libkazeia_cosyvoice.so
|
b92ca83a53dab49e212fba411b48fcceca4331b05fe881e2b9220efed45e70b1 libkazeia_cosyvoice.so
|
||||||
776f37e43433459a7350dc9d5d15dcb8eb3e17465a28fa78de92559bec3918bd libkazeia_engine.so
|
776f37e43433459a7350dc9d5d15dcb8eb3e17465a28fa78de92559bec3918bd libkazeia_engine.so
|
||||||
f91df82c96d1efd3cbe6f7af6b9d261cd5c6f4a929c08bad49a4cfc1deff4477 libkazeia_pte.so
|
f91df82c96d1efd3cbe6f7af6b9d261cd5c6f4a929c08bad49a4cfc1deff4477 libkazeia_pte.so
|
||||||
fdd730af3daf132d0819b3fc99abd8aae79800aab7a9aad371e117c16bd3a3aa libkazeia_stt.so
|
|
||||||
2ca77a28421fc0c680e0a5ddf0208a9471268370893f8dd4eba2a10a8aacb4ac libllama.so
|
2ca77a28421fc0c680e0a5ddf0208a9471268370893f8dd4eba2a10a8aacb4ac libllama.so
|
||||||
a207169a2696e8f0f7639090c2882152c734368b5696246a514d63b3ce0769c1 libomp.so
|
a207169a2696e8f0f7639090c2882152c734368b5696246a514d63b3ce0769c1 libomp.so
|
||||||
95d01368b556f0c698cbbb6daa47494c666e0242a063cf1ca830202946435df4 libqnn_executorch_backend.so
|
95d01368b556f0c698cbbb6daa47494c666e0242a063cf1ca830202946435df4 libqnn_executorch_backend.so
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue