From c76df2d4618d59cf117d77b4637d5b242a3752c7 Mon Sep 17 00:00:00 2001
From: liwei1dao <liwei1dao@gmail.com>
Date: Wed, 15 Jul 2026 16:04:11 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E9=9F=B3=E9=A2=91=E6=95=B0?=
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---
 .../com/yunqiinnovation/ble_service/BleService.kt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt b/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt
index 54dad8aa4..be69391f8 100644
--- a/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt
+++ b/local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleService.kt
@@ -144,6 +144,9 @@ object BleService {
     private val isAudioSending = AtomicBoolean(false)
     // 上一包音频实际发送的时间戳(ms)，仅用于发送节拍日志统计间隔；-1 表示尚未发送过
     private var lastAudioSendTime = -1L
+    // 上一次真正 BLE write(gatt.writeCharacteristic)的时间戳(ms)，用于逐包日志统计相邻 write 间隔；
+    // 与 lastAudioSendTime(拍级)区分：一拍拆多写时这里能反映每个真实 BLE 包的下发节奏。-1 表示尚未 write 过
+    private var lastBleWriteTime = -1L
     // 下行写入连续失败(底层发送缓冲拥塞)的计数，用于节流告警与恢复提示；写成功即清零
     private var writeFailRetryCount = 0
     // 因静音帧模板尚未就绪而暂缓下发的连续拍数，用于节流告警；一旦模板就绪即清零
@@ -1694,6 +1697,7 @@ object BleService {
         var writeCount = 0
         var congested = false
         while (sentFrames < n) {
+            val startFrame = sentFrames
             val chunkFrames = minOf(framesPerWrite, n - sentFrames)
             val packet = buildInterleavedPacket(sentFrames, chunkFrames, frameBytes, leftFrames, rightFrames, silence)
             // 同步写入，拿到真实的成功/失败：false=底层发送缓冲已满(拥塞)，作为背压信号
@@ -1704,6 +1708,16 @@ object BleService {
             sentFrames += chunkFrames
             sentBytes += packet.size
             writeCount++
+            // 逐包(每次真正 BLE write)的大小与相邻间隔：size=本包字节数(=2×chunkFrames×frameBytes，lrlr 交织)、
+            // Δw=距上次 write 间隔ms、off=本包起始帧号(一拍拆多写时用来核对交织续接)。
+            // Δw 无论真实/静音都更新以保持准确；日志仅在有真实译音时逐包打，纯静音沿用拍级节流不刷屏。
+            val wnow = System.currentTimeMillis()
+            val wDelta = if (lastBleWriteTime < 0) 0 else wnow - lastBleWriteTime
+            lastBleWriteTime = wnow
+            if (hasRealAudio) {
+                CallLog.i(TAG, "BLE write seq=$packetSeq #$writeCount size=${packet.size}B Δw=${wDelta}ms " +
+                        "帧=${chunkFrames}/声道(lrlr) off=$startFrame")
+            }
         }
 
         if (congested) {
@@ -1815,6 +1829,7 @@ object BleService {
         audioBuffer.clear()     // 清空音频缓冲区
         packetSeq = 0           // 复位下行包序号
         lastAudioSendTime = -1L // 重置发送节拍计时，下次首包 Δ 从 0 开始
+        lastBleWriteTime = -1L  // 重置逐包 write 计时，下次首个 BLE write 的 Δw 从 0 开始
         writeFailRetryCount = 0 // 重置写入拥塞计数
         silenceNotReadyCount = 0
         silentPacketCount = 0