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Wenjiawang0312 commited on
Commit ·
d4e0afe
1
Parent(s): d1d5132
store
Browse files- app.py +43 -31
- requirements.txt +0 -1
- test_dataset.py +36 -0
app.py
CHANGED
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@@ -15,41 +15,55 @@ def load_videos_from_huggingface():
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try:
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print("正在加载数据集: WenjiaWang/videoforuser...")
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DATASET = load_dataset("WenjiaWang/videoforuser", split="train")
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print(f"成功加载数据集,共 {len(DATASET)} 个视频")
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# 组织视频数据:按场景分组
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VIDEO_DATA = {}
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video_path = item['path']
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else:
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print(f"警告: 第 {idx} 项没有视频路径字段")
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continue
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# 从路径中提取场景名和方法名
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# 假设路径格式类似: "videos/scene_name/method.mp4"
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path_parts = video_path.split('/')
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if len(path_parts) >= 2:
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scene_name = path_parts[-2] # 倒数第二部分是场景名
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file_name = path_parts[-1] # 最后部分是文件名
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# 提取方法名
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method_name = file_name.replace('.mp4', '')
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#
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print(f"组织完成,共 {len(VIDEO_DATA)} 个场景")
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return True
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@@ -91,11 +105,9 @@ def get_videos_for_question(scene_name):
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# 获取视频数据
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video_info = scene_videos[method_name]
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video_item = video_info['item']
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videos[display_name] = video_item['video'] # 这应该是视频文件路径或对象
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method_mapping[display_name] = method_name
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try:
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print("正在加载数据集: WenjiaWang/videoforuser...")
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# 不解码视频,只获取元数据
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DATASET = load_dataset("WenjiaWang/videoforuser", split="train")
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print(f"成功加载数据集,共 {len(DATASET)} 个视频")
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# 组织视频数据:按场景分组
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VIDEO_DATA = {}
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# 直接访问数据集的底层数据,不触发视频解码
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for idx in range(len(DATASET)):
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try:
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# 获取原始数据,不解码视频
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item = DATASET[idx]
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# 获取视频路径信息 - 这里获取的是字典,包含 'path' 和 'bytes'
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if 'video' in item and isinstance(item['video'], dict) and 'path' in item['video']:
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video_path = item['video']['path']
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video_bytes = item['video'].get('bytes', None)
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elif 'video' in item and isinstance(item['video'], str):
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video_path = item['video']
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video_bytes = None
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elif 'path' in item:
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video_path = item['path']
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video_bytes = None
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else:
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print(f"警告: 第 {idx} 项没有视频路径字段,跳过")
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continue
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# 从路径中提取场景名和方法名
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# 假设路径格式类似: "scene_name/method.mp4"
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path_parts = video_path.split('/')
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if len(path_parts) >= 2:
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scene_name = path_parts[-2] # 倒数第二部分是场景名
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file_name = path_parts[-1] # 最后部分是文件名
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# 提取方法名
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method_name = file_name.replace('.mp4', '')
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if scene_name not in VIDEO_DATA:
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VIDEO_DATA[scene_name] = {}
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# 存储视频信息(包括在dataset中的索引和原始视频数据)
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VIDEO_DATA[scene_name][method_name] = {
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'index': idx,
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'path': video_path,
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'video': item['video'] # 保存原始视频数据(字典格式)
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}
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except Exception as e:
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print(f"处理第 {idx} 项时出错: {e}")
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continue
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print(f"组织完成,共 {len(VIDEO_DATA)} 个场景")
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return True
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# 获取视频数据
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video_info = scene_videos[method_name]
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# 直接使用保存的视频数据
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videos[display_name] = video_info['video']
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method_mapping[display_name] = method_name
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requirements.txt
CHANGED
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@@ -1,4 +1,3 @@
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gradio>=4.0.0
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datasets>=2.14.0
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huggingface_hub>=0.19.0
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torchcodec
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gradio>=4.0.0
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datasets>=2.14.0
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huggingface_hub>=0.19.0
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test_dataset.py
ADDED
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@@ -0,0 +1,36 @@
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#!/usr/bin/env python3
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"""
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测试数据集加载逻辑
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"""
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from datasets import load_dataset
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print("正在加载数据集...")
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try:
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# 加载数据集但不解码视频
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dataset = load_dataset("WenjiaWang/videoforuser", split="train")
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print(f"✅ 成功加载数据集,共 {len(dataset)} 个视频")
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# 测试访问第一个元素
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print("\n测试访问第一个元素...")
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item = dataset[0]
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print(f"Keys: {item.keys()}")
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if 'video' in item:
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video_data = item['video']
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print(f"Video type: {type(video_data)}")
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if isinstance(video_data, dict):
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print(f"Video dict keys: {video_data.keys()}")
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if 'path' in video_data:
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print(f"Video path: {video_data['path']}")
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if 'bytes' in video_data:
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print(f"Video bytes length: {len(video_data['bytes']) if video_data['bytes'] else 0}")
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else:
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print(f"Video data: {video_data}")
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print("\n✅ 数据集结构测试成功!")
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except Exception as e:
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print(f"❌ 错误: {e}")
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import traceback
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traceback.print_exc()
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