编辑c3_client.py

selfdrive/c3_client.py

@@ -539,59 +539,6 @@ async def execute_update_oneclick():
     return {"status": "error", "output": f"一键更新失败: {e}"}
 
 
-# ================= 截图 =================
-async def execute_snapshot():
-  """截取设备屏幕画面，返回 base64 编码的 PNG"""
-  try:
-    import base64, subprocess, os, json
-    
-    # 设备 UI 使用 pyray (raylib) 渲染，用 take_screenshot 截图
-    # raylib 截图需要渲染循环，不能离线使用
-    # 直接读取 framebuffer 方案
-    
-    # 方法1: 检查有没有已存在的 screenshot 文件（某些系统支持热键截图）
-    exists = os.path.exists("/tmp/screenshot.png") or os.path.exists("/data/screenshot.png")
-    if exists:
-      path = "/tmp/screenshot.png" if os.path.exists("/tmp/screenshot.png") else "/data/screenshot.png"
-      with open(path, "rb") as f:
-        b64 = base64.b64encode(f.read()).decode()
-      return {"status": "ok", "output": b64}
-    
-    # 方法2: 执行 screencap（部分安卓设备）
-    r = subprocess.run(["screencap", "-p"], capture_output=True, timeout=5)
-    if r.returncode == 0 and len(r.stdout) > 100:
-      return {"status": "ok", "output": base64.b64encode(r.stdout).decode()}
-    
-    # 方法3: 检查 /dev/fb0 并尝试直接读取
-    if os.path.exists("/dev/fb0"):
-      # 读取帧缓冲
-      with open("/sys/class/graphics/fb0/virtual_size") as f:
-        size_str = f.read().strip()
-      if size_str:
-        w, h = map(int, size_str.split(","))
-        with open("/dev/fb0", "rb") as fb:
-          fb.seek(0, os.SEEK_SET)
-          data = fb.read(w * h * 4)  # ARGB8888
-        if len(data) == w * h * 4:
-          import numpy as np
-          from PIL import Image
-          arr = np.frombuffer(data, dtype=np.uint8).reshape((h, w, 4))
-          arr = arr[:, :, [2, 1, 0, 3]]  # BGRA -> RGBA
-          img = Image.fromarray(arr[:, :, :3], "RGB")
-          from io import BytesIO
-          buf = BytesIO()
-          img.save(buf, format="PNG")
-          return {"status": "ok", "output": base64.b64encode(buf.getvalue()).decode()}
-    
-    return {"status": "error", "output": "设备不支持截图"}
-  except ImportError as e:
-    return {"status": "error", "output": f"缺少依赖: {e}"}
-  except FileNotFoundError:
-    return {"status": "error", "output": "无可用截图方法"}
-  except Exception as e:
-    import traceback
-    return {"status": "error", "output": f"截图失败: {e}\\n{traceback.format_exc()}"}
-
 # ================= 消息处理 =================
 async def handle_message(data, ws):
   msg_type = data.get("type")
@@ -609,8 +556,6 @@ async def handle_message(data, ws):
     result = await execute_update_oneclick()
   elif msg_type == "msgq":
     result = await execute_messaging()
-  elif msg_type == "snapshot":
-    result = await execute_snapshot()
 
   else:
     result = {"status": "error", "output": f"未知指令类型: {msg_type}"}