update:ffmpeg依赖检查 (#162)

Co-authored-by: hrz <1710360675@qq.com>

core/handle/sendAudioHandle.py

@@ -16,29 +16,37 @@ async def isLLMWantToFinish(last_text):
 
 
 async def sendAudioMessage(conn, audios, text):
-    # 发送 tts.start
+    # 发送句子开始消息
     if text == conn.tts_first_text:
         logger.bind(tag=TAG).info(f"发送第一段语音: {text}")
-        conn.tts_start_speak_time = time.time()
+        conn.tts_start_speak_time = time.perf_counter()
     await send_tts_message(conn, "sentence_start", text)
 
-    # 发送音频数据
-    frame_duration = 60  # 初始帧持续时间（毫秒）
-    start_time = time.time()  # 记录开始时间
-    for idx, opus_packet in enumerate(audios):
+    # 初始化流控参数
+    frame_duration = 60  # 毫秒
+    start_time = time.perf_counter()  # 使用高精度计时器
+    play_position = 0  # 已播放的时长（毫秒）
+
+    for opus_packet in audios:
         if conn.client_abort:
             return
+
         # 计算当前包的预期发送时间
-        expected_time = start_time + idx * (frame_duration / 1000)
-        current_time = time.time()
-        # 如果未到预期时间则等待差值
-        if current_time < expected_time:
-            await asyncio.sleep(expected_time - current_time)
+        expected_time = start_time + (play_position / 1000)
+        current_time = time.perf_counter()
+
+        # 等待直到预期时间
+        delay = expected_time - current_time
+        if delay > 0:
+            await asyncio.sleep(delay)
+
         # 发送音频包
         await conn.websocket.send(opus_packet)
-
+        play_position += frame_duration  # 更新播放位置
+    await send_tts_message(conn, "sentence_end", text)
+    # 发送结束消息（如果是最后一个文本）
     if conn.llm_finish_task and text == conn.tts_last_text:
-        await send_tts_message(conn, 'stop')
+        await send_tts_message(conn, 'stop', None)
         if await isLLMWantToFinish(text):
             await conn.close()
 

core/utils/util.py

@@ -3,6 +3,7 @@ import re
 import json
 import yaml
 import socket
+import subprocess
 
 
 def get_project_dir():
@@ -114,3 +115,29 @@ def check_password(password):
 
     # 如果满足所有条件，则返回True
     return True
+
+def check_ffmpeg_installed():
+    ffmpeg_installed = False
+    try:
+        # 执行ffmpeg -version命令，并捕获输出
+        result = subprocess.run(
+            ['ffmpeg', '-version'],
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            text=True,
+            check=True  # 如果返回码非零则抛出异常
+        )
+        # 检查输出中是否包含版本信息（可选）
+        output = result.stdout + result.stderr
+        if 'ffmpeg version' in output.lower():
+            ffmpeg_installed = True
+        return False
+    except (subprocess.CalledProcessError, FileNotFoundError):
+        # 命令执行失败或未找到
+        ffmpeg_installed = False
+    if not ffmpeg_installed:
+        error_msg = "您的电脑还没正确安装ffmpeg\n"
+        error_msg += "\n建议您：\n"
+        error_msg += "1、按照项目的安装文档，正确进入conda环境\n"
+        error_msg += "2、查阅安装文档，如何在conda环境中安装ffmpeg\n"
+        raise ValueError(error_msg)