Nymiro
110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
# pyheic_struct/inspect_heic.py
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import sys
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from heic_file import HEICFile
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import pprint # 用于漂亮地打印字典
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def inspect_file(filename: str):
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print(f"--- 正在侦察: {filename} ---")
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try:
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heic_file = HEICFile(filename)
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except Exception as e:
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print(f"CRITICAL: 文件解析失败: {e}")
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return
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# 1. 打印厂商信息 (ftyp)
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if heic_file._ftyp_box:
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print(f"\n[ftyp] 厂商信息:")
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print(f" {heic_file._ftyp_box.raw_data}")
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# 2. 打印主图像 ID (pitm)
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primary_id = heic_file.get_primary_item_id()
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print(f"\n[pitm] 主图像 Item ID:")
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print(f" {primary_id}")
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# 3. 打印所有项目 (iinf)
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print(f"\n[iinf] 文件中的所有项目:")
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heic_file.list_items() # 这个方法会自己打印
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# 4. 打印项目位置 (iloc) - 这是我们调试的关键！ (已修改)
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if heic_file._iloc_box:
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print(f"\n[iloc] 项目位置 (片段) - 包含绝对偏移量:")
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locations = heic_file._iloc_box.locations
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# 打印所有位置及其详细的 extents
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for loc in locations:
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# 打印摘要
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print(f" {loc}")
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# 打印关键的 extents (偏移量, 长度)
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if loc.extents:
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for extent in loc.extents:
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print(f" -> (offset={extent[0]}, length={extent[1]})")
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else:
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print(" -> (No extents found)")
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# 5. 打印项目关联 (iref)
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if heic_file._iref_box:
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print(f"\n[iref] 项目关联:")
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pprint.pprint(heic_file._iref_box.references)
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# 6. 查找 'mpvd' 盒 (三星特定)
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mpvd_box = heic_file.find_box('mpvd') #
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if mpvd_box:
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print(f"\n[mpvd] 动态照片盒 (三星):")
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print(f" 找到了 'mpvd' 盒，位于偏移量: {mpvd_box.offset}")
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else:
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print(f"\n[mpvd] 未找到 'mpvd' 盒 (这是 Apple 文件的预期行为)")
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# --- START NEW INSPECTION ---
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# 7. 打印项目属性 (iprp / ipma) - 这是我们缺失的知识！
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if heic_file._iprp_box and heic_file._iprp_box.ipma:
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print(f"\n[ipma] 项目属性关联:")
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ipma = heic_file._iprp_box.ipma
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# 打印主 ID 的属性
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if primary_id and primary_id in ipma.entries:
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print(f" 主 ID ({primary_id}) 关联的属性索引:")
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pprint.pprint(ipma.entries[primary_id].associations)
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# 尝试打印 "shifted" ID (三星)
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if primary_id:
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shifted_id = primary_id << 16
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if shifted_id in ipma.entries:
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print(f" 三星 Shifted ID ({shifted_id}) 关联的属性索引:")
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pprint.pprint(ipma.entries[shifted_id].associations)
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print(f"\n (ipma 完整转储 - 前 5 项):")
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count = 0
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for item_id, entry in ipma.entries.items():
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if count >= 5:
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print(" ...")
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break
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print(f" - Item {item_id}: {entry.associations}")
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count += 1
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else:
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print(f"\n[ipma] 未找到 'ipma' 盒。")
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if heic_file._iprp_box and heic_file._iprp_box.ipco:
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print(f"\n[ipco] 属性容器 (前 10 个属性盒):")
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count = 0
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for prop_box in heic_file._iprp_box.ipco.children:
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if count >= 10:
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print(" ...")
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break
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print(f" - (索引 {count+1}) : {prop_box}") # 索引是 1-based
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count += 1
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else:
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print(f"\n[ipco] 未找到 'ipco' 盒。")
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# --- END NEW INSPECTION ---
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print(f"\n--- 侦察完毕: {filename} ---")
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print("用法: python inspect_heic.py <文件名>")
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print("例如: python inspect_heic.py samsung.heic")
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else:
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inspect_file(sys.argv[1]) |