class Camera(QObject):
def __init__(self, parent = QObject()):
super(Camera, self).__init__(parent)
print("3")
self.cam = QCamera(QCameraInfo.defaultCamera()) #"/dev/video0".encode()
print("4")
self.caminfo = QCameraInfo(self.cam)
self.camvfind = QCameraViewfinder()
self.camvfindset = QCameraViewfinderSettings()
self.cammode = self.cam.CaptureMode(0)
self.camimgcap = QCameraImageCapture(self.cam)
def iniCamera(self):
print(self.caminfo.description())
print(self.caminfo.availableCameras())
for caminfo in QCameraInfo.availableCameras():
print(caminfo.deviceName())
if self.cam.isCaptureModeSupported(self.cammode):
print("Capturemode supported")
def startVid(self):
#self.camimgcap.CaptureDestination(2)
self.camvfind.show()
self.cam.setViewfinder(self.camvfind)
self.cam.setCaptureMode(self.cammode)
self.cam.start()
class VideoWindow(QMainWindow):
def __init__(self, parent=None):
super(VideoWindow, self).__init__(parent)
self.setWindowTitle(
"PyQt Video Player Widget Example - pythonprogramminglanguage.com")
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
self.camera = QCamera(0)
self.cameraviewfinder = QCameraViewfinder()
self.cameramode = self.camera.CaptureMode(2)
self.cameraimgcap = QCameraImageCapture(self.camera)
videoWidget = QVideoWidget()
self.imageView = QLabel("add a image file")
self.imageView.setAlignment(Qt.AlignCenter)
self.playButton = QPushButton()
self.playButton.setEnabled(True)
self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
self.playButton.clicked.connect(self.play)
self.positionSlider = QSlider(Qt.Horizontal)
self.positionSlider.setRange(0, 0)
self.scene1 = QGraphicsScene()
self.view1 = QGraphicsView(self.scene1)
# Create new action
# Create exit action
# Create a widget for window contents
wid = QWidget(self)
self.setCentralWidget(wid)
# Create layouts to place inside widget
# controlLayout = QHBoxLayout()
# controlLayout.setContentsMargins(0, 0, 0, 0)
# controlLayout.addWidget(self.playButton)
# controlLayout.addWidget(self.positionSlider)
videolayout = QVBoxLayout()
videolayout.addWidget(videoWidget)
# videolayout.addLayout(controlLayout)
# Set widget to contain window contents
layout = QHBoxLayout()
layout.addLayout(videolayout)
layout.addWidget(self.cameraviewfinder)
# layout.addWidget(self.view1)
wid.setLayout(layout)
self.mediaPlayer.setVideoOutput(videoWidget)
self.cameraviewfinder.show()
self.camera.setViewfinder(self.cameraviewfinder)
def exitCall(self):
sys.exit(app.exec_())
def play(self):
self.showFullScreen()
fileName = 'D:\\桌面\\some.mp4'
if fileName != '':
self.mediaPlayer.setMedia(
QMediaContent(QUrl.fromLocalFile(fileName)))
self.playButton.setEnabled(True)
self.cameraviewfinder.resize(640, 480)
self.camera.start()
self.mediaPlayer.play()
camera_capture = cv2.VideoCapture(0)
while True:
ret, camera_frame = camera_capture.read()
if ret:
self.displayImage(camera_frame)
else:
break
camera_capture.release()
cv2.destroyAllWindows()
def mediaStateChanged(self, state):
if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
self.playButton.setIcon(self.style().standardIcon(
QStyle.SP_MediaPause))
else:
self.playButton.setIcon(self.style().standardIcon(
QStyle.SP_MediaPlay))
def displayImage(self, img):
self.scene1.clear()
pixMap = QPixmap(img)
w, h = pixMap.width(), pixMap.height()
self.scene1.addPixmap(pixMap)
self.view1.fitInView(QRectF(0, 0, w, h), Qt.KeepAspectRatio)
self.scene1.update()
class VideoWindow(QMainWindow):
def __init__(self, parent=None):
super(VideoWindow, self).__init__(parent)
def setupVideoUi(self):
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
self.camera = QCamera(0)
self.cameraviewfinder = QCameraViewfinder()
self.cameraviewfinder.setAspectRatioMode(Qt.IgnoreAspectRatio)
self.cameramode = self.camera.CaptureMode(2)
self.cameraimgcap = QCameraImageCapture(self.camera)
self.videoWidget = QVideoWidget()
self.mediaPlayer.setVideoOutput(self.videoWidget)
self.camera.setViewfinder(self.cameraviewfinder)
def exitCall(self):
sys.exit(app.exec_())
def play(self, fileNameList):
self.fileNameList = fileNameList
self.play_next()
def play_next(self):
global play_times
if play_times == len(self.fileNameList):
self.timer_play.stop()
return
single_file = self.fileNameList[play_times]
try:
self.mediaPlayer.setMedia(
QMediaContent(QUrl.fromLocalFile(single_file)))
except Exception:
print("配置视频播放出错")
print(Exception)
#播放视频
self.mediaPlayer.play()
# 开启倒计时,进行连续播放
self.single_time = math.ceil(self.getDuration(single_file))
self.timer_play = QtCore.QTimer()
self.timer_play.timeout.connect(self.play_next)
# 定时器以毫秒作为单位
self.timer_play.start(self.single_time * 1000)
play_times = play_times + 1
def camera_start(self):
# 开启摄像头
# self.cameraviewfinder.resize(640, 480)
self.camera.start()
# 获取视频时长(单位为秒)
def getDuration(self, fileName):
total_times = 0
if type(fileName) != list:
clip = VideoFileClip(fileName)
single_time = clip.duration
clip.reader.close()
clip.audio.reader.close_proc()
return single_time
for f in fileName:
clip = VideoFileClip(f)
times = clip.duration
total_times = total_times + times
clip.reader.close()
clip.audio.reader.close_proc()
return total_times
def pause(self):
self.mediaPlayer.pause()
