From 59bf548dcac29ff543b9eb25e60dd57be094a1ac Mon Sep 17 00:00:00 2001
From: luozheng <1732036298@qq.com>
Date: Fri, 22 Aug 2025 12:06:13 +0800
Subject: [PATCH] =?utf8?q?1.=E9=9B=B7=E9=B8=9F=EF=BC=9A=E8=A7=A3=E5=86=B3?=
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---
 .../sample/wrapper/audio_capture_wrapper.cpp  |  2 +-
 code/sdk/zhihui/leiniao/imsl_ln/vad_at_cmd.c  | 19 +++++++++----------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/code/sdk/middleware/services/media/foundation/sample/wrapper/audio_capture_wrapper.cpp b/code/sdk/middleware/services/media/foundation/sample/wrapper/audio_capture_wrapper.cpp
index d4fda3b34..c2aa2f6ee 100644
--- a/code/sdk/middleware/services/media/foundation/sample/wrapper/audio_capture_wrapper.cpp
+++ b/code/sdk/middleware/services/media/foundation/sample/wrapper/audio_capture_wrapper.cpp
@@ -409,7 +409,7 @@ static void* AudioCaptureProcess(void* arg)
                     readCnt, timeStamp.time.tv_sec, timeStamp.time.tv_nsec);
             }
         }
-        MEDIA_INFO_LOG("audioCap Read readCnt = %d, size = %d", readCnt, ret);
+        // MEDIA_INFO_LOG("audioCap Read readCnt = %d, size = %d", readCnt, ret);
     }
     if (g_audioSourceProcessInput.audioFormat == OPUS) {
         AudioCapturerOggCtxDeInit();
diff --git a/code/sdk/zhihui/leiniao/imsl_ln/vad_at_cmd.c b/code/sdk/zhihui/leiniao/imsl_ln/vad_at_cmd.c
index 8cde59f79..53a0bf6e8 100644
--- a/code/sdk/zhihui/leiniao/imsl_ln/vad_at_cmd.c
+++ b/code/sdk/zhihui/leiniao/imsl_ln/vad_at_cmd.c
@@ -79,6 +79,7 @@ static MediaThreadIdHandle g_vad_tail_thread = NULL;
 static char g_vad_live_path[256] = "/user/vad_live.pcm";
 static int g_vad_prev_status = -1;
 
+// 尾随线程，持续从文件中读取数据并喂给 VAD
 static void *VadTailThread(void *arg)
 {
     printf("VAD TailThread\n");
@@ -137,6 +138,7 @@ static void *StartRecordThread(void *arg)
     return NULL;
 }
 
+/* 确保父目录存在 */
 static void EnsureParentDir(const char *file_path)
 {
     if (file_path == NULL) {
@@ -390,21 +392,18 @@ static uint32_t vad_record_stop(uint8_t *para, uint32_t paraLen, char *strCommon
 
     printf("=== 停止 VAD 实时录音 ===\n");
 
-    /* 1) 停止尾随线程 */
-    if (g_vad_live_running) {
-        g_vad_live_running = false;
-        if (g_vad_tail_thread != NULL) {
-            MediaThreadJoin(&g_vad_tail_thread);
-            g_vad_tail_thread = NULL;
-        }
-    }
-
-    /* 2) 停止系统录音 */
+    /* 1) 先停止系统录音，减少文件追加，便于尾随线程退出 */
+    printf("VAD 停止系统录音\n");
     {
         const char *stopArg = "stop";
         (void)AudioCaptureSample(1, &stopArg);
     }
 
+    /* 2) 通知尾随线程退出（不阻塞等待） */
+    printf("VAD 停止尾随线程\n");
+    g_vad_live_running = false;
+    g_vad_tail_thread = NULL;
+
     printf("VAD 实时录音已停止\n");
     return ERRCODE_SUCC;
 }
-- 
2.17.1