From f599ed768eeabbcaf4e2f0ec948243c0be50c43e Mon Sep 17 00:00:00 2001
From: liwei1dao <liwei1dao@gmail.com>
Date: Fri, 20 Mar 2026 20:57:14 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E9=97=AA=E9=80=80=E4=BF=AE?=
 =?UTF-8?q?=E5=A4=8D?=
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---
 .../yunqiinnovation/agent_service/StsAgent.kt | 35 +++++++++++++++++--
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt b/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt
index 1fbe7ec72..b0bd08d0c 100644
--- a/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt
+++ b/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/StsAgent.kt
@@ -2,9 +2,11 @@ package com.yunqiinnovation.agent_service
 
 import android.content.Context
 import android.media.AudioFormat
+import android.media.AudioManager
 import android.media.AudioRecord
 import android.media.MediaPlayer
 import android.media.MediaRecorder
+import android.media.ToneGenerator
 import android.os.Handler
 import android.os.Looper
 import android.util.Log
@@ -91,6 +93,9 @@ class StsAgent(
     // ── 预缓冲（VAD 触发前 ~1.5s）────────────────────────────────────────────
     private val preBuffer = ArrayDeque<ByteArray>()
     private val preBufferLock = Any()
+
+    // ── 麦克风读写锁（防止 read() 与 stop()/release() 并发导致 native SIGABRT）──
+    private val micLock = Any()
     private val PRE_BUFFER_MAX_CHUNKS = 75
 
     // ── 本地 VAD ──────────────────────────────────────────────────────────────
@@ -406,8 +411,15 @@ class StsAgent(
             recordingJob = launch {
                 val buf = ByteArray(RECORD_CHUNK)
                 while (isActive && (inCall || pttRecording)) {
-                    val read = audioRecord?.read(buf, 0, buf.size) ?: break
+                    // 使用非阻塞读 + micLock，确保与 stopMicHard() 中的 stop()/release() 互斥。
+                    // READ_NON_BLOCKING 让 read() 立即返回（微秒级），锁持有时间极短，
+                    // 彻底消除 releaseBuffer 并发导致的 native SIGABRT。
+                    val read = synchronized(micLock) {
+                        audioRecord?.read(buf, 0, buf.size, AudioRecord.READ_NON_BLOCKING) ?: -1
+                    }
+                    if (read < 0) break
                     if (read > 0) { micChunkCount++; onMicAudio(buf.copyOf(read)) }
+                    else delay(5)  // 无数据时释放协程让出线程，避免忙等
                 }
             }
         } catch (e: Exception) {
@@ -417,8 +429,13 @@ class StsAgent(
 
     private fun stopMicHard() {
         recordingJob?.cancel(); recordingJob = null
-        try { audioRecord?.stop(); audioRecord?.release() } catch (_: Exception) {}
-        audioRecord = null
+        // 拿 micLock 后再 stop()/release()，与录音循环的 read() 互斥，
+        // 保证 stop() 永远不会在 read() 内部 releaseBuffer 期间被调用。
+        synchronized(micLock) {
+            val ar = audioRecord
+            audioRecord = null
+            try { ar?.stop(); ar?.release() } catch (_: Exception) {}
+        }
     }
 
     private fun startMicWatchdog() {
@@ -504,12 +521,24 @@ class StsAgent(
         }
 
         forwardingAudio = true; wsConnecting = false
+        playReadyBeep()
         emit("recognition_started", emptyMap())
 
         val cached = synchronized(preBufferLock) { preBuffer.toList().also { preBuffer.clear() } }
         for (c in cached) feedSendBuffer(c)
     }
 
+    /** 唤醒成功提示音：通知用户可以说话了 */
+    private fun playReadyBeep() {
+        try {
+            val toneGen = ToneGenerator(AudioManager.STREAM_MUSIC, 60)
+            toneGen.startTone(ToneGenerator.TONE_PROP_BEEP, 180)
+            mainHandler.postDelayed({ toneGen.release() }, 300)
+        } catch (e: Exception) {
+            Log.w(TAG, "playReadyBeep failed: ${e.message}")
+        }
+    }
+
     // ═════════════════════════════════════════════════════════════════════════
     // WebSocket
     // ═════════════════════════════════════════════════════════════════════════