NarratoAI/app/services/clip_video.py
linyq 6d8cc671ab fix(logging): 注释掉调试信息的日志输出,优化日志记录
在clip_video.py和merger_video.py中,注释掉了成功处理视频的日志信息,以减少调试时的冗余输出。同时,在manager.py中更新了提示词渲染成功的日志格式,确保版本信息的清晰展示。这些更改旨在提升日志的可读性和有效性,优化调试过程。
2025-07-12 02:27:51 +08:00

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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
'''
@Project: NarratoAI
@File : clip_video
@Author : Viccy同学
@Date : 2025/5/6 下午6:14
'''
import os
import subprocess
import json
import hashlib
from loguru import logger
from typing import Dict, List, Optional
from pathlib import Path
from app.utils import ffmpeg_utils
def parse_timestamp(timestamp: str) -> tuple:
"""
解析时间戳字符串,返回开始和结束时间
Args:
timestamp: 格式为'HH:MM:SS-HH:MM:SS''HH:MM:SS,sss-HH:MM:SS,sss'的时间戳字符串
Returns:
tuple: (开始时间, 结束时间) 格式为'HH:MM:SS''HH:MM:SS,sss'
"""
start_time, end_time = timestamp.split('-')
return start_time, end_time
def calculate_end_time(start_time: str, duration: float, extra_seconds: float = 1.0) -> str:
"""
根据开始时间和持续时间计算结束时间
Args:
start_time: 开始时间,格式为'HH:MM:SS''HH:MM:SS,sss'(带毫秒)
duration: 持续时间,单位为秒
extra_seconds: 额外添加的秒数默认为1秒
Returns:
str: 计算后的结束时间,格式与输入格式相同
"""
# 检查是否包含毫秒
has_milliseconds = ',' in start_time
milliseconds = 0
if has_milliseconds:
time_part, ms_part = start_time.split(',')
h, m, s = map(int, time_part.split(':'))
milliseconds = int(ms_part)
else:
h, m, s = map(int, start_time.split(':'))
# 转换为总毫秒数
total_milliseconds = ((h * 3600 + m * 60 + s) * 1000 + milliseconds +
int((duration + extra_seconds) * 1000))
# 计算新的时、分、秒、毫秒
ms_new = total_milliseconds % 1000
total_seconds = total_milliseconds // 1000
h_new = int(total_seconds // 3600)
m_new = int((total_seconds % 3600) // 60)
s_new = int(total_seconds % 60)
# 返回与输入格式一致的时间字符串
if has_milliseconds:
return f"{h_new:02d}:{m_new:02d}:{s_new:02d},{ms_new:03d}"
else:
return f"{h_new:02d}:{m_new:02d}:{s_new:02d}"
def check_hardware_acceleration() -> Optional[str]:
"""
检查系统支持的硬件加速选项
Returns:
Optional[str]: 硬件加速参数如果不支持则返回None
"""
# 使用集中式硬件加速检测
return ffmpeg_utils.get_ffmpeg_hwaccel_type()
def get_safe_encoder_config(hwaccel_type: Optional[str] = None) -> Dict[str, str]:
"""
获取安全的编码器配置基于ffmpeg_demo.py成功方案优化
Args:
hwaccel_type: 硬件加速类型
Returns:
Dict[str, str]: 编码器配置字典
"""
# 基础配置 - 参考ffmpeg_demo.py的成功方案
config = {
"video_codec": "libx264",
"audio_codec": "aac",
"pixel_format": "yuv420p",
"preset": "medium",
"quality_param": "crf", # 质量参数类型
"quality_value": "23" # 质量值
}
# 根据硬件加速类型调整配置(简化版本)
if hwaccel_type in ["nvenc_pure", "nvenc_software", "cuda_careful", "nvenc", "cuda", "cuda_decode"]:
# NVIDIA硬件加速 - 使用ffmpeg_demo.py中验证有效的参数
config["video_codec"] = "h264_nvenc"
config["preset"] = "medium"
config["quality_param"] = "cq" # CQ质量控制而不是CRF
config["quality_value"] = "23"
config["pixel_format"] = "yuv420p"
elif hwaccel_type == "amf":
# AMD AMF编码器
config["video_codec"] = "h264_amf"
config["preset"] = "balanced"
config["quality_param"] = "qp_i"
config["quality_value"] = "23"
elif hwaccel_type == "qsv":
# Intel QSV编码器
config["video_codec"] = "h264_qsv"
config["preset"] = "medium"
config["quality_param"] = "global_quality"
config["quality_value"] = "23"
elif hwaccel_type == "videotoolbox":
# macOS VideoToolbox编码器
config["video_codec"] = "h264_videotoolbox"
config["preset"] = "medium"
config["quality_param"] = "b:v"
config["quality_value"] = "5M"
else:
# 软件编码(默认)
config["video_codec"] = "libx264"
config["preset"] = "medium"
config["quality_param"] = "crf"
config["quality_value"] = "23"
return config
def build_ffmpeg_command(
input_path: str,
output_path: str,
start_time: str,
end_time: str,
encoder_config: Dict[str, str],
hwaccel_args: List[str] = None
) -> List[str]:
"""
构建优化的ffmpeg命令基于测试结果使用正确的硬件加速方案
重要发现对于视频裁剪场景CUDA硬件解码会导致滤镜链错误
应该使用纯NVENC编码器无硬件解码来获得最佳兼容性
Args:
input_path: 输入视频路径
output_path: 输出视频路径
start_time: 开始时间
end_time: 结束时间
encoder_config: 编码器配置
hwaccel_args: 硬件加速参数
Returns:
List[str]: ffmpeg命令列表
"""
cmd = ["ffmpeg", "-y"]
# 关键修正对于视频裁剪不使用CUDA硬件解码只使用NVENC编码器
# 这样能避免滤镜链格式转换错误,同时保持编码性能优势
if encoder_config["video_codec"] == "h264_nvenc":
# 不添加硬件解码参数让FFmpeg自动处理
# 这避免了 "Impossible to convert between the formats" 错误
pass
elif hwaccel_args:
# 对于其他编码器,可以使用硬件解码参数
cmd.extend(hwaccel_args)
# 输入文件
cmd.extend(["-i", input_path])
# 时间范围
cmd.extend(["-ss", start_time, "-to", end_time])
# 编码器设置
cmd.extend(["-c:v", encoder_config["video_codec"]])
cmd.extend(["-c:a", encoder_config["audio_codec"]])
# 像素格式
cmd.extend(["-pix_fmt", encoder_config["pixel_format"]])
# 质量和预设参数 - 针对NVENC优化
if encoder_config["video_codec"] == "h264_nvenc":
# 纯NVENC编码器配置无硬件解码兼容性最佳
cmd.extend(["-preset", encoder_config["preset"]])
cmd.extend(["-cq", encoder_config["quality_value"]])
cmd.extend(["-profile:v", "main"]) # 提高兼容性
logger.debug("使用纯NVENC编码器无硬件解码避免滤镜链问题")
elif encoder_config["video_codec"] == "h264_amf":
# AMD AMF编码器
cmd.extend(["-quality", encoder_config["preset"]])
cmd.extend(["-qp_i", encoder_config["quality_value"]])
elif encoder_config["video_codec"] == "h264_qsv":
# Intel QSV编码器
cmd.extend(["-preset", encoder_config["preset"]])
cmd.extend(["-global_quality", encoder_config["quality_value"]])
elif encoder_config["video_codec"] == "h264_videotoolbox":
# macOS VideoToolbox编码器
cmd.extend(["-profile:v", "high"])
cmd.extend(["-b:v", encoder_config["quality_value"]])
else:
# 软件编码器libx264
cmd.extend(["-preset", encoder_config["preset"]])
cmd.extend(["-crf", encoder_config["quality_value"]])
# 音频设置
cmd.extend(["-ar", "44100", "-ac", "2"])
# 优化参数
cmd.extend(["-avoid_negative_ts", "make_zero"])
cmd.extend(["-movflags", "+faststart"])
# 输出文件
cmd.append(output_path)
return cmd
def execute_ffmpeg_with_fallback(
cmd: List[str],
timestamp: str,
input_path: str,
output_path: str,
start_time: str,
end_time: str
) -> bool:
"""
执行ffmpeg命令带有智能fallback机制
Args:
cmd: 主要的ffmpeg命令
timestamp: 时间戳(用于日志)
input_path: 输入路径
output_path: 输出路径
start_time: 开始时间
end_time: 结束时间
Returns:
bool: 是否成功
"""
try:
# logger.debug(f"执行ffmpeg命令: {' '.join(cmd)}")
# 在Windows系统上使用UTF-8编码处理输出
is_windows = os.name == 'nt'
process_kwargs = {
"stdout": subprocess.PIPE,
"stderr": subprocess.PIPE,
"text": True,
"check": True
}
if is_windows:
process_kwargs["encoding"] = 'utf-8'
result = subprocess.run(cmd, **process_kwargs)
# 验证输出文件
if os.path.exists(output_path) and os.path.getsize(output_path) > 0:
# logger.info(f"✓ 视频裁剪成功: {timestamp}")
return True
else:
logger.warning(f"输出文件无效: {output_path}")
return False
except subprocess.CalledProcessError as e:
error_msg = e.stderr if e.stderr else str(e)
logger.warning(f"主要命令失败: {error_msg}")
# 智能错误分析
error_type = analyze_ffmpeg_error(error_msg)
logger.debug(f"错误类型分析: {error_type}")
# 根据错误类型选择fallback策略
if error_type == "filter_chain_error":
logger.info(f"检测到滤镜链错误,尝试兼容性模式: {timestamp}")
return try_compatibility_fallback(input_path, output_path, start_time, end_time, timestamp)
elif error_type == "hardware_error":
logger.info(f"检测到硬件加速错误,尝试软件编码: {timestamp}")
return try_software_fallback(input_path, output_path, start_time, end_time, timestamp)
elif error_type == "encoder_error":
logger.info(f"检测到编码器错误,尝试基本编码: {timestamp}")
return try_basic_fallback(input_path, output_path, start_time, end_time, timestamp)
else:
logger.info(f"尝试通用fallback方案: {timestamp}")
return try_fallback_encoding(input_path, output_path, start_time, end_time, timestamp)
except Exception as e:
logger.error(f"执行ffmpeg命令时发生异常: {str(e)}")
return False
def analyze_ffmpeg_error(error_msg: str) -> str:
"""
分析ffmpeg错误信息返回错误类型
Args:
error_msg: 错误信息
Returns:
str: 错误类型
"""
error_msg_lower = error_msg.lower()
# 滤镜链错误
if any(keyword in error_msg_lower for keyword in [
"impossible to convert", "filter", "format", "scale", "auto_scale",
"null", "parsed_null", "reinitializing filters"
]):
return "filter_chain_error"
# 硬件加速错误
if any(keyword in error_msg_lower for keyword in [
"cuda", "nvenc", "amf", "qsv", "d3d11va", "dxva2", "videotoolbox",
"hardware", "hwaccel", "gpu", "device"
]):
return "hardware_error"
# 编码器错误
if any(keyword in error_msg_lower for keyword in [
"encoder", "codec", "h264", "libx264", "bitrate", "preset"
]):
return "encoder_error"
# 文件访问错误
if any(keyword in error_msg_lower for keyword in [
"no such file", "permission denied", "access denied", "file not found"
]):
return "file_error"
return "unknown_error"
def try_compatibility_fallback(
input_path: str,
output_path: str,
start_time: str,
end_time: str,
timestamp: str
) -> bool:
"""
尝试兼容性fallback方案解决滤镜链问题
Args:
input_path: 输入路径
output_path: 输出路径
start_time: 开始时间
end_time: 结束时间
timestamp: 时间戳
Returns:
bool: 是否成功
"""
# 兼容性模式:避免所有可能的滤镜链问题
fallback_cmd = [
"ffmpeg", "-y", "-hide_banner", "-loglevel", "error",
"-i", input_path,
"-ss", start_time,
"-to", end_time,
"-c:v", "libx264",
"-c:a", "aac",
"-pix_fmt", "yuv420p", # 明确指定像素格式
"-preset", "fast",
"-crf", "23",
"-ar", "44100", "-ac", "2", # 标准化音频
"-avoid_negative_ts", "make_zero",
"-movflags", "+faststart",
"-max_muxing_queue_size", "1024", # 增加缓冲区大小
output_path
]
return execute_simple_command(fallback_cmd, timestamp, "兼容性模式")
def try_software_fallback(
input_path: str,
output_path: str,
start_time: str,
end_time: str,
timestamp: str
) -> bool:
"""
尝试软件编码fallback方案
Args:
input_path: 输入路径
output_path: 输出路径
start_time: 开始时间
end_time: 结束时间
timestamp: 时间戳
Returns:
bool: 是否成功
"""
# 纯软件编码
fallback_cmd = [
"ffmpeg", "-y", "-hide_banner", "-loglevel", "error",
"-i", input_path,
"-ss", start_time,
"-to", end_time,
"-c:v", "libx264",
"-c:a", "aac",
"-pix_fmt", "yuv420p",
"-preset", "fast",
"-crf", "23",
"-ar", "44100", "-ac", "2",
"-avoid_negative_ts", "make_zero",
"-movflags", "+faststart",
output_path
]
return execute_simple_command(fallback_cmd, timestamp, "软件编码")
def try_basic_fallback(
input_path: str,
output_path: str,
start_time: str,
end_time: str,
timestamp: str
) -> bool:
"""
尝试基本编码fallback方案
Args:
input_path: 输入路径
output_path: 输出路径
start_time: 开始时间
end_time: 结束时间
timestamp: 时间戳
Returns:
bool: 是否成功
"""
# 最基本的编码参数
fallback_cmd = [
"ffmpeg", "-y", "-hide_banner", "-loglevel", "error",
"-i", input_path,
"-ss", start_time,
"-to", end_time,
"-c:v", "libx264",
"-c:a", "aac",
"-pix_fmt", "yuv420p",
"-preset", "ultrafast", # 最快速度
"-crf", "28", # 稍微降低质量
"-avoid_negative_ts", "make_zero",
output_path
]
return execute_simple_command(fallback_cmd, timestamp, "基本编码")
def execute_simple_command(cmd: List[str], timestamp: str, method_name: str) -> bool:
"""
执行简单的ffmpeg命令
Args:
cmd: 命令列表
timestamp: 时间戳
method_name: 方法名称
Returns:
bool: 是否成功
"""
try:
logger.debug(f"执行{method_name}命令: {' '.join(cmd)}")
is_windows = os.name == 'nt'
process_kwargs = {
"stdout": subprocess.PIPE,
"stderr": subprocess.PIPE,
"text": True,
"check": True
}
if is_windows:
process_kwargs["encoding"] = 'utf-8'
subprocess.run(cmd, **process_kwargs)
output_path = cmd[-1] # 输出路径总是最后一个参数
if os.path.exists(output_path) and os.path.getsize(output_path) > 0:
logger.info(f"{method_name}成功: {timestamp}")
return True
else:
logger.error(f"{method_name}失败,输出文件无效: {output_path}")
return False
except subprocess.CalledProcessError as e:
error_msg = e.stderr if e.stderr else str(e)
logger.error(f"{method_name}失败: {error_msg}")
return False
except Exception as e:
logger.error(f"{method_name}异常: {str(e)}")
return False
def try_fallback_encoding(
input_path: str,
output_path: str,
start_time: str,
end_time: str,
timestamp: str
) -> bool:
"""
尝试fallback编码方案通用方案
Args:
input_path: 输入路径
output_path: 输出路径
start_time: 开始时间
end_time: 结束时间
timestamp: 时间戳
Returns:
bool: 是否成功
"""
# 最简单的软件编码命令
fallback_cmd = [
"ffmpeg", "-y",
"-i", input_path,
"-ss", start_time,
"-to", end_time,
"-c:v", "libx264",
"-c:a", "aac",
"-pix_fmt", "yuv420p",
"-preset", "ultrafast", # 最快速度
"-crf", "28", # 稍微降低质量以提高兼容性
"-avoid_negative_ts", "make_zero",
"-movflags", "+faststart",
output_path
]
return execute_simple_command(fallback_cmd, timestamp, "通用Fallback")
def clip_video(
video_origin_path: str,
tts_result: List[Dict],
output_dir: Optional[str] = None,
task_id: Optional[str] = None
) -> Dict[str, str]:
"""
根据时间戳裁剪视频 - 优化版本增强Windows兼容性和错误处理
Args:
video_origin_path: 原始视频的路径
tts_result: 包含时间戳和持续时间信息的列表
output_dir: 输出目录路径默认为None时会自动生成
task_id: 任务ID用于生成唯一的输出目录默认为None时会自动生成
Returns:
Dict[str, str]: 时间戳到裁剪后视频路径的映射
"""
# 检查视频文件是否存在
if not os.path.exists(video_origin_path):
raise FileNotFoundError(f"视频文件不存在: {video_origin_path}")
# 如果未提供task_id则根据输入生成一个唯一ID
if task_id is None:
content_for_hash = f"{video_origin_path}_{json.dumps(tts_result)}"
task_id = hashlib.md5(content_for_hash.encode()).hexdigest()
# 设置输出目录
if output_dir is None:
output_dir = os.path.join(
os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))),
"storage", "temp", "clip_video", task_id
)
# 确保输出目录存在
Path(output_dir).mkdir(parents=True, exist_ok=True)
# 获取硬件加速支持
hwaccel_type = check_hardware_acceleration()
hwaccel_args = []
if hwaccel_type:
hwaccel_args = ffmpeg_utils.get_ffmpeg_hwaccel_args()
hwaccel_info = ffmpeg_utils.get_ffmpeg_hwaccel_info()
logger.info(f"🚀 使用硬件加速: {hwaccel_type} ({hwaccel_info.get('message', '')})")
else:
logger.info("🔧 使用软件编码")
# 获取编码器配置
encoder_config = get_safe_encoder_config(hwaccel_type)
logger.debug(f"编码器配置: {encoder_config}")
# 统计信息
total_clips = len(tts_result)
result = {}
failed_clips = []
success_count = 0
logger.info(f"📹 开始裁剪视频,总共{total_clips}个片段")
for i, item in enumerate(tts_result, 1):
_id = item.get("_id", item.get("timestamp", "unknown"))
timestamp = item["timestamp"]
start_time, _ = parse_timestamp(timestamp)
# 根据持续时间计算真正的结束时间加上1秒余量
duration = item["duration"]
calculated_end_time = calculate_end_time(start_time, duration)
# 转换为FFmpeg兼容的时间格式逗号替换为点
ffmpeg_start_time = start_time.replace(',', '.')
ffmpeg_end_time = calculated_end_time.replace(',', '.')
# 格式化输出文件名(使用连字符替代冒号和逗号)
safe_start_time = start_time.replace(':', '-').replace(',', '-')
safe_end_time = calculated_end_time.replace(':', '-').replace(',', '-')
output_filename = f"vid_{safe_start_time}@{safe_end_time}.mp4"
output_path = os.path.join(output_dir, output_filename)
# 构建FFmpeg命令
ffmpeg_cmd = build_ffmpeg_command(
video_origin_path,
output_path,
ffmpeg_start_time,
ffmpeg_end_time,
encoder_config,
hwaccel_args
)
# 执行FFmpeg命令
logger.info(f"📹 [{i}/{total_clips}] 裁剪视频片段: {timestamp} -> {ffmpeg_start_time}{ffmpeg_end_time}")
success = execute_ffmpeg_with_fallback(
ffmpeg_cmd,
timestamp,
video_origin_path,
output_path,
ffmpeg_start_time,
ffmpeg_end_time
)
if success:
result[_id] = output_path
success_count += 1
logger.info(f"✅ [{i}/{total_clips}] 片段裁剪成功: {timestamp}")
else:
failed_clips.append(timestamp)
logger.error(f"❌ [{i}/{total_clips}] 片段裁剪失败: {timestamp}")
# 最终统计
logger.info(f"📊 视频裁剪完成: 成功 {success_count}/{total_clips}, 失败 {len(failed_clips)}")
# 检查是否有失败的片段
if failed_clips:
logger.warning(f"⚠️ 以下片段裁剪失败: {failed_clips}")
if len(failed_clips) == total_clips:
raise RuntimeError("所有视频片段裁剪都失败了请检查视频文件和ffmpeg配置")
elif len(failed_clips) > total_clips / 2:
logger.warning(f"⚠️ 超过一半的片段裁剪失败 ({len(failed_clips)}/{total_clips}),请检查硬件加速配置")
if success_count > 0:
logger.info(f"🎉 视频裁剪任务完成! 输出目录: {output_dir}")
return result
if __name__ == "__main__":
video_origin_path = "/Users/apple/Desktop/home/NarratoAI/resource/videos/qyn2-2无片头片尾.mp4"
tts_result = [{'timestamp': '00:00:00-00:01:15',
'audio_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/audio_00_00_00-00_01_15.mp3',
'subtitle_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/subtitle_00_00_00-00_01_15.srt',
'duration': 25.55,
'text': '好的各位,欢迎回到我的频道!《庆余年 2》刚开播就给了我们一个王炸范闲在北齐""了?这怎么可能!上集片尾那个巨大的悬念,这一集就立刻揭晓了!范闲假死归来,他面临的第一个,也是最大的难关,就是如何面对他最敬爱的,同时也是最可怕的那个人——庆帝!'},
{'timestamp': '00:01:15-00:04:40',
'audio_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/audio_00_01_15-00_04_40.mp3',
'subtitle_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/subtitle_00_01_15-00_04_40.srt',
'duration': 13.488,
'text': '但我们都知道,他绝不可能就这么轻易退场!第二集一开场,范闲就已经秘密回到了京都。他的生死传闻,可不像我们想象中那样只是小范围流传,而是…'},
{'timestamp': '00:04:58-00:05:45',
'audio_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/audio_00_04_58-00_05_45.mp3',
'subtitle_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/subtitle_00_04_58-00_05_45.srt',
'duration': 21.363,
'text': '"欺君之罪"!在封建王朝,这可是抄家灭族的大罪!搁一般人,肯定脚底抹油溜之大吉了。但范闲是谁啊?他偏要反其道而行之!他竟然决定,直接去见庆帝!冒着天大的风险,用"假死"这个事实去赌庆帝的态度!'},
{'timestamp': '00:05:45-00:06:00',
'audio_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/audio_00_05_45-00_06_00.mp3',
'subtitle_file': '/Users/apple/Desktop/home/NarratoAI/storage/tasks/qyn2-2-demo/subtitle_00_05_45-00_06_00.srt',
'duration': 7.675, 'text': '但想见庆帝,哪有那么容易?范闲艺高人胆大,竟然选择了最激进的方式——闯宫!'}]
subclip_path_videos = {
'00:00:00-00:01:15': '/Users/apple/Desktop/home/NarratoAI/storage/temp/clip_video/6e7e343c7592c7d6f9a9636b55000f23/vid-00-00-00-00-01-15.mp4',
'00:01:15-00:04:40': '/Users/apple/Desktop/home/NarratoAI/storage/temp/clip_video/6e7e343c7592c7d6f9a9636b55000f23/vid-00-01-15-00-04-40.mp4',
'00:04:41-00:04:58': '/Users/apple/Desktop/home/NarratoAI/storage/temp/clip_video/6e7e343c7592c7d6f9a9636b55000f23/vid-00-04-41-00-04-58.mp4',
'00:04:58-00:05:45': '/Users/apple/Desktop/home/NarratoAI/storage/temp/clip_video/6e7e343c7592c7d6f9a9636b55000f23/vid-00-04-58-00-05-45.mp4',
'00:05:45-00:06:00': '/Users/apple/Desktop/home/NarratoAI/storage/temp/clip_video/6e7e343c7592c7d6f9a9636b55000f23/vid-00-05-45-00-06-00.mp4',
'00:06:00-00:06:03': '/Users/apple/Desktop/home/NarratoAI/storage/temp/clip_video/6e7e343c7592c7d6f9a9636b55000f23/vid-00-06-00-00-06-03.mp4',
}
# 使用方法示例
try:
result = clip_video(video_origin_path, tts_result, subclip_path_videos)
print("裁剪结果:")
print(json.dumps(result, indent=4, ensure_ascii=False))
except Exception as e:
print(f"发生错误: {e}")