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 Camera(QObject):
def __init__(self, parent=QObject()):
super(Camera, self).__init__(parent)
# chooses the system default camera
self.cam = QCamera()
self.caminfo = QCameraInfo(self.cam)
self.camvfind = QCameraViewfinder()
self.camvfindset = QCameraViewfinderSettings()
self.recorder = QMediaRecorder(self.cam)
def iniCamera(self):
cameras = QCameraInfo.availableCameras()
for cameraInfo in cameras:
# select the capturing device if it is available
if (cameraInfo.description().find("Capture") is not -1):
self.cam = QCamera(cameraInfo)
self.caminfo = QCameraInfo(self.cam)
self.recorder = QMediaRecorder(self.cam)
print("Camera Chosen: " + self.caminfo.description())
print(self.cam.supportedViewfinderFrameRateRanges())
if self.cam.isCaptureModeSupported(QCamera.CaptureVideo):
print("Capturemode supported")
def startVid(self):
self.cam.load()
# self.camvfind.show()
self.cam.setViewfinder(self.camvfind)
self.cam.setCaptureMode(QCamera.CaptureVideo)
self.cam.start()
audio = QAudioEncoderSettings()
audio.setCodec("audio/amr")
audio.setQuality(QtMultimedia.QMultimedia.NormalQuality)
video = QVideoEncoderSettings()
# video.setCodec("video/mp4")
video.setQuality(QtMultimedia.QMultimedia.NormalQuality)
video.setResolution(1920, 1080)
video.setFrameRate(30.0)
# self.recorder.setAudioSettings(audio)
self.recorder.setVideoSettings(video)
self.recorder.setContainerFormat("mp4")
def startRecording(self, filename):
directory = os.path.abspath(str(os.getcwd()))
abs_path = os.path.join(directory, filename)
self.recorder.setOutputLocation(QUrl(abs_path))
self.recorder.record()
def stopRecording(self):
self.recorder.stop()
def getViewFinder(self):
return self.camvfind
def initimplement(self):
"""
初始化实现端口
:return: ui
"""
camInfo = QCameraInfo(self.camera)
if camInfo.defaultCamera().isNull():
QMessageBox.warning(self, 'Warning', 'No available camera!',
QMessageBox.Ok)
return -1
else:
self.ui.caputurePhoto.setText(camInfo.description())
self.camera.setViewfinder(self.ui.cameraShow)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.camera.load()
resolution = self.camera.supportedViewfinderResolutions()
if len(resolution) != 0:
if QSize(640, 480) in resolution:
self.viewsetting.setResolution(QSize(640, 480))
elif QSize(640, 360) in resolution:
self.viewsetting.setResolution(QSize(640, 360))
else:
self.viewsetting.setResolution(resolution[0])
self.camera.setViewfinderSettings(self.viewsetting)
# ------------------------------Note--------------------------------
# 此种方法利用摄像头准备捕捉图像的状态来进行捕捉图像，readyForCapture
# 为true时，才进行捕捉图像，详见下面捕捉函数槽函数。这种方法将进行不
# 停的捕捉，将每次捕捉的相邻图像进行图像相似度判断。当图像相似度低于
# 阈值时，认定为新图像，才进行OCR识别。否则仅捕捉图像而不进行识别。当
# 然捕捉图像速度过于太快时，可以用定时器，每隔0.5秒，去检查readyFor
# Capture状态位，进而有效控制程序资源。
# 本应用中采用按键捕捉方式，非自动，详见下面按键捕捉事件
# ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
# self.imageCapture.readyForCaptureChanged.connect(self.captureimage)
self.camera.start()
self.ui.caputurePhoto.setScaledContents(True)
self.imageCapture.setCaptureDestination(
QCameraImageCapture.CaptureToBuffer)
self.imageCapture.imageCaptured.connect(self.displayimage)
self.ui.captureBtn.clicked.connect(self.openDlg)
class Camera(QObject):
def __init__(self, parent=QObject()):
super(Camera, self).__init__(parent)
# chooses the system default camera
self.cam = QCamera()
self.imageCapture = QCameraImageCapture(self.cam)
self.caminfo = QCameraInfo(self.cam)
self.camvfind = QCameraViewfinder()
self.camvfindset = QCameraViewfinderSettings()
self.recorder = QMediaRecorder(self.cam)
def init_camera(self):
cameras = QCameraInfo.availableCameras()
for cameraInfo in cameras:
# select the capturing device if it is available
if cameraInfo.description().find("Capture") is not -1:
self.cam = QCamera(cameraInfo)
self.caminfo = QCameraInfo(self.cam)
self.recorder = QMediaRecorder(self.cam)
print("Camera Chosen: " + self.caminfo.description())
print(self.cam.supportedViewfinderFrameRateRanges())
self.cam.setCaptureMode(QCamera.CaptureStillImage)
if self.cam.isCaptureModeSupported(QCamera.CaptureStillImage):
print("Capturemode supported")
self.cam.load()
self.cam.setViewfinder(self.camvfind)
self.cam.start()
self.imageCapture = QCameraImageCapture(self.cam)
self.imageCapture.setCaptureDestination(
QCameraImageCapture.CaptureToBuffer)
def capture_still(self):
self.imageCapture.capture()
def setOnCapture(self, callback=None):
self.imageCapture.imageCaptured.connect(callback)
def start_vid(self):
self.cam.load()
# self.camvfind.show()
self.cam.setViewfinder(self.camvfind)
self.cam.setCaptureMode(QCamera.CaptureVideo)
self.cam.start()
audio = QAudioEncoderSettings()
audio.setCodec("audio/amr")
audio.setQuality(QtMultimedia.QMultimedia.NormalQuality)
video = QVideoEncoderSettings()
# video.setCodec("video/mp4")
video.setQuality(QtMultimedia.QMultimedia.NormalQuality)
video.setResolution(1920, 1080)
video.setFrameRate(30.0)
# self.recorder.setAudioSettings(audio)
self.recorder.setVideoSettings(video)
self.recorder.setContainerFormat("mp4")
print("Output Loc: " + str(self.recorder.outputLocation()))
def start_recording(self):
directory = os.path.abspath(str(os.getcwd()))
filename = "test" + str(time.time()) + ".mp4"
abs_path = os.path.join(directory, filename)
self.recorder.setOutputLocation(QUrl(abs_path))
self.recorder.record()
def stop_recording(self):
self.recorder.stop()