Update app.py

app.py

@@ -3,10 +3,10 @@ import gradio as gr
 import tempfile
 import random
 import subprocess
+import shutil
 from datetime import datetime
 
 def ffmpeg_cut_video(input_path, start_time, duration, output_path):
-    """调用ffmpeg剪辑视频片段"""
     command = [
         'ffmpeg',
         '-ss', str(start_time),
@@ -20,11 +20,11 @@ def ffmpeg_cut_video(input_path, start_time, duration, output_path):
     return process.returncode == 0
 
 def concat_videos_ffmpeg(file_list, output_path):
-    """调用ffmpeg合并多个视频，使用文件列表"""
     list_file = tempfile.NamedTemporaryFile(delete=False, mode='w', suffix='.txt')
     try:
         for f in file_list:
-            list_file.write(f"file '{f.replace('\'', '\'\\\'\'' )}'\n")
+            # 安全写入文件名，避免单引号破坏格式
+            list_file.write("file '{}'\n".format(f.replace("'", r"'\''")))
         list_file.close()
 
         command = [
@@ -51,7 +51,7 @@ def process_videos(video_files, clip_duration=2, num_output_videos=3):
     try:
         for idx, video_file in enumerate(video_files):
             video_path = video_file.name
-            # 获取视频总时长
+            # 获取视频时长
             cmd_duration = [
                 'ffprobe', '-v', 'error', 
                 '-show_entries', 'format=duration',
@@ -60,7 +60,6 @@ def process_videos(video_files, clip_duration=2, num_output_videos=3):
             ]
             result = subprocess.run(cmd_duration, capture_output=True, text=True)
             total_duration = float(result.stdout.strip())
-            # 按clip_duration分割视频
             start = 0.0
             count = 0
             while start < total_duration:
@@ -73,19 +72,16 @@ def process_videos(video_files, clip_duration=2, num_output_videos=3):
                 start += duration
                 count += 1
 
-        # 随机打乱clip顺序
         random.shuffle(all_clips)
 
-        # 计算每个输出视频包含的clip数量
         clips_per_video = max(1, len(all_clips) // num_output_videos)
-
         output_files = []
 
         for i in range(num_output_videos):
             start_idx = i * clips_per_video
-            end_idx = len(all_clips) if i == num_output_videos -1 else (start_idx + clips_per_video)
+            end_idx = len(all_clips) if i == num_output_videos - 1 else (start_idx + clips_per_video)
             selected_clips = all_clips[start_idx:end_idx]
-            output_path = os.path.join(temp_dir, f"mixed_video_{i +1}.mp4")
+            output_path = os.path.join(temp_dir, f"mixed_video_{i + 1}.mp4")
             ok = concat_videos_ffmpeg(selected_clips, output_path)
             if not ok:
                 return "❌ 视频合并失败", []
@@ -98,13 +94,13 @@ def process_videos(video_files, clip_duration=2, num_output_videos=3):
 
 def main():
     with gr.Blocks() as demo:
-        gr.Markdown("## FFmpeg 自动剪辑混剪视频 (无需任何API)")
+        gr.Markdown("## FFmpeg 自动剪辑混剪视频 (无 API，纯本地 ffmpeg)")
         video_input = gr.File(file_types=[".mp4", ".mov", ".avi", ".mkv"], file_count="multiple", label="上传视频文件")
         clip_duration = gr.Number(value=2, label="剪辑片段时长 (秒)", minimum=1, maximum=30)
         num_output = gr.Number(value=3, label="输出混剪视频数量", minimum=1, maximum=10)
         btn = gr.Button("开始剪辑")
 
-        status = gr.Textbox(label="剪辑状态", interactive=False, lines=4)
+        status = gr.Textbox(label="剪辑状态", interactive=False, lines=5)
         outputs = gr.File(file_count="multiple", label="下载混剪视频")
 
         def process(video_files, clip_duration, num_output):
@@ -113,6 +109,6 @@ def main():
         btn.click(process, inputs=[video_input, clip_duration, num_output], outputs=[status, outputs])
 
     demo.launch()
-    
+
 if __name__ == "__main__":
     main()