#7978 Could not parse response content as the length limit was reached - CompletionUsage(completion_tokens=16384, prompt_token

149.7**7 Posted at: 1 hour ago

Could not parse response content as the length limit was reached - CompletionUsage(completion_tokens=16384, prompt_tokens=2342, total_tokens=18726, completion_tokens_details=None, prompt_tokens_details=PromptTokensDetails(audio_tokens=None, cached_tokens=2176), prompt_cache_hit_tokens=2176, prompt_cache_miss_tokens=166)
Traceback (most recent call last):
File "D:\workplace\pyvideotrans\videotrans\translator\_base.py", line 70, in run

return self._run_srt(

File "D:\workplace\pyvideotrans\videotrans\translator\_base.py", line 153, in _run_srt

result = self._item_task(srt_str)

File "D:\workplace\pyvideotrans.venv\lib\site-packages\tenacity\__init__.py", line 338, in wrapped_f

return copy(f, *args, **kw)

File "D:\workplace\pyvideotrans.venv\lib\site-packages\tenacity\__init__.py", line 477, in call

do = self.iter(retry_state=retry_state)

File "D:\workplace\pyvideotrans.venv\lib\site-packages\tenacity\__init__.py", line 378, in iter

result = a

......
of the above exception, another exception occurred:

Traceback (most recent call last):
File "D:\workplace\pyvideotrans\videotrans\task\only_one.py", line 89, in run

trk.trans()

File "D:\workplace\pyvideotrans\videotrans\task\_stage_translate.py", line 31, in trans

target_srt = run_trans(

File "D:\workplace\pyvideotrans\videotrans\translator\_runner.py", line 67, in run

return _cls(**kwargs).run()#type:ignore

File "D:\workplace\pyvideotrans\videotrans\translator\_base.py", line 73, in run

raise e.last_attempt.exception()

File "D:\workplace\pyvideotrans.venv\lib\site-packages\tenacity\__init__.py", line 480, in call

result = fn(*args, **kwargs)

File "D:\workplace\pyvideotrans\videotrans\translator\_openaicompat.py", line 104, in _item_task

raise LengthFinishReasonError(completion=response)

openai.LengthFinishReasonError: Could not parse response content as the length limit was reached - CompletionUsage(completion_tokens=16384, prompt_tokens=2342, total_tokens=18726, completion_tokens_details=None, prompt_tokens_details=PromptTokensDetails(audio_tokens=None, cached_tokens=2176), prompt_cache_hit_tokens=2176, prompt_cache_miss_tokens=166)

cfg=[TaskCfgVTT]当前工作模式: 翻译视频 单视频模式
原始输入文件名: D:/BaiduNetdiskDownload/莫伊拉回声最终成片.mp4,
输出结果保存到文件夹: C:/Users/Administrator/Desktop/莫伊拉回声最终成片-mp4,
临时文件夹: D:/workplace/pyvideotrans/tmp/10068/5df7e9259f
已选 清理已存在
已启用CUDA加速
已选 降噪
已选 识别说话人,最大说话人数量不限制
语音识别:faster-whisper(内置), large-v3-turbo, 发音语言: 英语, 断句方式:默认断句
翻译渠道:DeepSeek,原始语言:英语,目标语言:德语, 已选 发送完整字幕
配音渠道:F5-TTS(内置), 角色:clone, 配音语言:德语, 已选 二次语音识别
音量:+0%, 语速:+0%, 已选 音频加速, 已选 视频慢速
字幕: 嵌入硬字幕
已选 分离人声与背景声, 已选 重新嵌入背景声, 背景音量0.8, 背景声音时长 短于 视频时长时: 拉长(降速播放),存在分离后的纯净人声文件,存在分离后的背景声音文件
代理地址:http://127.0.0.1:8800
video_duration_ms=2089400


=
system:Windows-10-10.0.26100-SP0
version:v4.12
frozen:False
language:zh_CN
root_dir:D:/workplace/pyvideotrans
Python: 3.10.19 (main, Oct 31 2025, 22:56:24) [MSC v.1944 64 bit (AMD64)]

1 Replies

#1 DeepSeek reply at 1 hour ago

这是AI翻译渠道(DeepSeek)返回内容超出最大输出token限制导致的截断错误。日志中completion_tokens=16384表示模型输出已达到设定的上限,触发LengthFinishReasonError。

解决方案(按优先级依次尝试):

  1. 降低每批翻译字幕行数:打开 菜单 → 工具/选项 → 高级选项 → 字幕翻译,将 AI翻译渠道每批字幕行数 从当前值调小,建议设为 10 或 20(若仍失败可设为 1)。
  2. 关闭“发送完整字幕”:主界面字幕翻译区域不要勾选 发送完整字幕(SendSRT),避免一次性提交多行导致输出过长。
  3. 调大最大输出token:进入 菜单 → 翻译设置 → DeepSeek,检查是否有 max tokens 相关设置,将其调大(例如 16384 → 32768)。
  4. 检查字幕中是否有大量重复文本:如果原始字幕某一行存在几十上百个重复单词(如连续多个“no”或“hey”),模型可能陷入循环直到耗尽token。打开待翻译的字幕文件,删除或精简该类重复内容后重试。
  5. 修改后,重试时请勾选主界面 清理已生成,确保不使用旧的翻译缓存。

请查阅相关文档:

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