def __get_hwnd_dpi(window_handle):
'''Tkinterを高DPIのディスプレイに対応させるため、DPIとスケーリングを再計算する関数。'''
if os.name == 'nt':
from ctypes import windll, pointer, wintypes
try:
windll.shcore.SetProcessDpiAwareness(1)
except Exception:
# Windows serverやバージョンの低いWindowsでは失敗する
pass
# 拡大率を100%に設定
DPI100pc = 96
# MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2
DPI_type = 0
winH = wintypes.HWND(window_handle)
monitorhandle = windll.user32.MonitorFromWindow(winH, wintypes.DWORD(2))
X = wintypes.UINT()
Y = wintypes.UINT()
try:
windll.shcore.GetDpiForMonitor(monitorhandle, DPI_type, pointer(X), pointer(Y))
return X.value, Y.value, (X.value + Y.value) / (2 * DPI100pc)
except Exception:
# Windows標準のDPIとスケーリング
return 96, 96, 1
else:
return None, None, 1
def disable(self):
BaseModule.disable(self)
mainWindow = Application.mainWindow
hwnd = wintypes.HWND(mainWindow.winId().__int__())
for i in range(3):
user32.UnregisterHotKey(hwnd, i)
del mainWindow.nativeEventHandlers[self.nativeEventIdx]
def get_hwnd_dpi(window_handle):
"""
To detect high DPI displays and avoid need to set Windows compatibility flags
:param window_handle:
:return:
"""
import os
if os.name == "nt":
from ctypes import windll, pointer, wintypes
windll.shcore.SetProcessDpiAwareness(1)
dpi100pc = 96 # DPI 96 is 100% scaling
dpi_type = 0 # MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2
win_h = wintypes.HWND(window_handle)
monitorhandle = windll.user32.MonitorFromWindow(
win_h, wintypes.DWORD(2)) # MONITOR_DEFAULTTONEAREST = 2
x = wintypes.UINT()
y = wintypes.UINT()
# noinspection PyBroadException
try:
windll.shcore.GetDpiForMonitor(monitorhandle, dpi_type, pointer(x),
pointer(y))
return x.value, y.value, (x.value + y.value) / (2 * dpi100pc)
except Exception:
return 96, 96, 1 # Assume standard Windows DPI & scaling
else:
return None, None, 1 # What to do for other OSs?
def Get_HWND_DPI(window_handle):
# To detect high DPI displays and avoid need to set Windows compatibility flags
import os
if os.name == "nt":
from ctypes import windll, pointer, wintypes
try:
windll.shcore.SetProcessDpiAwareness(1)
except Exception:
pass # this will fail on Windows Server and maybe early Windows
DPI100pc = 96 # DPI 96 is 100% scaling
DPI_type = 0 # MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2
winH = wintypes.HWND(window_handle)
monitorhandle = windll.user32.MonitorFromWindow(
winH, wintypes.DWORD(2)
) # MONITOR_DEFAULTTONEAREST = 2
X = wintypes.UINT()
Y = wintypes.UINT()
try:
windll.shcore.GetDpiForMonitor(
monitorhandle, DPI_type, pointer(X), pointer(Y)
)
return X.value, Y.value, (X.value + Y.value) / (2 * DPI100pc)
except Exception:
return 96, 96, 1 # Assume standard Windows DPI & scaling
else:
return None, None, 1 # What to do for other OSs?
def enable(self):
BaseModule.enable(self)
mainWindow = Application.mainWindow
hwnd = wintypes.HWND(mainWindow.winId().__int__())
user32.RegisterHotKey(hwnd, 0, 0, VK_MEDIA_NEXT_TRACK)
user32.RegisterHotKey(hwnd, 1, 0, VK_MEDIA_PREV_TRACK)
user32.RegisterHotKey(hwnd, 2, 0, VK_MEDIA_PLAY_PAUSE)
self.nativeEventIdx = len(Application.mainWindow.nativeEventHandlers)
Application.mainWindow.nativeEventHandlers.append(
self.nativeEventHandler)
def get_window_rect(self, idx):
""" 핸들에 대응하는 윈도우의 좌표정보를 반환한다
param:
<int> hwnd: 윈도우 핸들
return:
<tuple> x1, y1, x2, y2
"""
f = windll.dwmapi.DwmGetWindowAttribute
rect = wintypes.RECT()
DWMWA_EXTENDED_FRAME_BOUNDS = 9
f(wintypes.HWND(self.bslist[idx][0]),
wintypes.DWORD(DWMWA_EXTENDED_FRAME_BOUNDS), byref(rect),
sizeof(rect))
return rect.left, rect.top, rect.right, rect.bottom
def realDataCallBack(self, lRealHandle, dwDataType, pBuffer, dwBufSize, dwUser):
if dwDataType == td.NET_DVR_SYSHEAD or dwDataType == td.NET_DVR_STREAMDATA:
if dwBufSize > 0:
buff = bytearray(ctypes.string_at(pBuffer, dwBufSize))
try:
if dwDataType == td.NET_DVR_SYSHEAD:
hWnd = wintypes.HWND()
if not self.playCtrl.PlayM4_GetPort(self.lPort):
print("1: Error:%r" % self.playCtrl.PlayM4_GetLastError(self.lPort[0]))
return 0
print("lPort:%r" % self.lPort[0])
if dwBufSize > 0:
res = self.playCtrl.PlayM4_SetStreamOpenMode(self.lPort[0], td.STREAME_REALTIME)
if not res:
print("2: Error:%r" % self.playCtrl.PlayM4_GetLastError(self.lPort[0]))
return 0
b_res = self.playCtrl.PlayM4_OpenStreamEx(self.lPort[0], pBuffer, dwBufSize, 1024 * 100000)
if not b_res:
print("3: Error:%r" % self.playCtrl.PlayM4_GetLastError(self.lPort[0]))
return 0
b_res = self.playCtrl.PlayM4_SetDecCBStream(self.lPort[0], 1) # 1 is Video Stream
if not b_res:
print("4: Error:%r" % self.playCtrl.PlayM4_GetLastError(self.lPort[0]))
if not self.playCtrl.PlayM4_SetDecodeFrameType(self.lPort[0], td.DECODE_KEY_FRAME): #td.DECODE_NORMAL
print("5: Error:%r" % self.playCtrl.PlayM4_GetLastError(self.lPort[0]))
if not self.playCtrl.PlayM4_SetDecCallBack(self.lPort[0], self.fSetDecCallBack):
print("7: Error:%r" % self.playCtrl.PlayM4_GetLastError(self.lPort[0]))
if not self.playCtrl.PlayM4_Play(self.lPort[0], hWnd):
print("8: Error:%r" % self.playCtrl.PlayM4_GetLastError(self.lPort[0]))
return 0
elif dwDataType == td.NET_DVR_STREAMDATA:
if dwBufSize > 0 & self.lPort[0] != -1:
# Put encoded video streaming package into decoder
b_res = self.playCtrl.PlayM4_InputData(self.lPort[0], pBuffer, dwBufSize)
if not b_res:
#print ('Error in PlayM4_InputData')
return 0
return 1
except Exception as e:
print('Exception in real callback', e.message)
def get_window_dpi_scaling(cls, window) -> float:
if not cls.deactivate_automatic_dpi_awareness:
if sys.platform == "darwin":
return 1 # scaling works automatically on macOS
elif sys.platform.startswith("win"):
from ctypes import windll, pointer, wintypes
DPI100pc = 96 # DPI 96 is 100% scaling
DPI_type = 0 # MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2
window_hwnd = wintypes.HWND(window.winfo_id())
monitor_handle = windll.user32.MonitorFromWindow(window_hwnd, wintypes.DWORD(2)) # MONITOR_DEFAULTTONEAREST = 2
x_dpi, y_dpi = wintypes.UINT(), wintypes.UINT()
windll.shcore.GetDpiForMonitor(monitor_handle, DPI_type, pointer(x_dpi), pointer(y_dpi))
return (x_dpi.value + y_dpi.value) / (2 * DPI100pc)
else:
return 1 # DPI awareness on Linux not implemented
else:
return 1
def SetAppBar(appbarWindow, edge):
info = _GetRegisterInfo(appbarWindow)
info.edge = edge
abd = APPBARDATA()
abd.cbSize = wintypes.DWORD(sizeof(abd))
abd.hWnd = wintypes.HWND(appbarWindow.GetHandle())
if (edge == ABEdge.Float) and info.isRegistered:
shell32.SHAppBarMessage(ABMsg.ABM_REMOVE, PAPPBARDATA(abd))
info.isRegistered = False
_RestoreWindow(appbarWindow)
return
elif not info.isRegistered:
info.isRegistered = True
info.callbackId = win32api.RegisterWindowMessage("AppBarMessage")
shell32.SHAppBarMessage(ABMsg.ABM_NEW, PAPPBARDATA(abd))
appbarWindow.SetWindowStyle(wx.FRAME_NO_TASKBAR | wx.CLIP_CHILDREN
| wx.STAY_ON_TOP)
_ABSetPos(info.edge, appbarWindow)
v = v.reshape((h//2),(w//2))
v = cv2.resize(v, None, fx=2, fy=2,
interpolation=cv2.INTER_NEAREST)
yuv = cv2.merge((y,u,v))
bgr = cv2.cvtColor(yuv, cv2.COLOR_YCrCb2BGR)
cv2.imshow('', bgr)
cv2.waitKey(20)
if __name__ == '__main__':
player = windll.LoadLibrary('PlayCtrl.dll')
hWnd = wintypes.HWND()
lPort = pointer(c_long())
if not player.PlayM4_GetPort(lPort):
print("1: Error:%r" % player.PlayM4_GetLastError(lPort[0]))
quit()
res = player.PlayM4_SetStreamOpenMode(lPort[0], td.STREAME_REALTIME)
if not res:
print("2: Error:%r"%player.PlayM4_GetLastError(lPort[0]))
quit()
fid=open('video.mp4','rb')
str1 = fid.read(40)
b_str1 = bytes(str1)
xxx = ctypes.c_char_p(b_str1)
res = player.PlayM4_OpenStream(lPort[0], xxx, len(b_str1), 1024*1024)
