Python Opencv 영상 입출력 문제

 

다른 카메라 앱에서는 출력되지만, opencv에서 출력되지 않거나 깨져 나오는 경우가 있다.

"MFVideoFormat_RGB24(unsupported media type)"

여러 이유 중 하나로 동영상 프레임을 불러오는 과정에 preferred API 문제가 나타난다.

 

capture = cv2.VideoCapture(0,cv2.CAP_DSHOW)

 

Enumerator

CAP_ANY  Python: cv.CAP_ANY	Auto detect == 0.
CAP_VFW  Python: cv.CAP_VFW	Video For Windows (platform native)
CAP_V4L  Python: cv.CAP_V4L	V4L/V4L2 capturing support via libv4l.
CAP_V4L2  Python: cv.CAP_V4L2	Same as CAP_V4L.
CAP_FIREWIRE  Python: cv.CAP_FIREWIRE	IEEE 1394 drivers.
CAP_FIREWARE  Python: cv.CAP_FIREWARE	Same as CAP_FIREWIRE.
CAP_IEEE1394  Python: cv.CAP_IEEE1394	Same as CAP_FIREWIRE.
CAP_DC1394  Python: cv.CAP_DC1394	Same as CAP_FIREWIRE.
CAP_CMU1394  Python: cv.CAP_CMU1394	Same as CAP_FIREWIRE.
CAP_QT  Python: cv.CAP_QT	QuickTime.
CAP_UNICAP  Python: cv.CAP_UNICAP	Unicap drivers.
CAP_DSHOW  Python: cv.CAP_DSHOW	DirectShow (via videoInput)
CAP_PVAPI  Python: cv.CAP_PVAPI	PvAPI, Prosilica GigE SDK.
CAP_OPENNI  Python: cv.CAP_OPENNI	OpenNI (for Kinect)
CAP_OPENNI_ASUS  Python: cv.CAP_OPENNI_ASUS	OpenNI (for Asus Xtion)
CAP_ANDROID  Python: cv.CAP_ANDROID	Android - not used.
CAP_XIAPI  Python: cv.CAP_XIAPI	XIMEA Camera API.
CAP_AVFOUNDATION  Python: cv.CAP_AVFOUNDATION	AVFoundation framework for iOS (OS X Lion will have the same API)
CAP_GIGANETIX  Python: cv.CAP_GIGANETIX	Smartek Giganetix GigEVisionSDK.
CAP_MSMF  Python: cv.CAP_MSMF	Microsoft Media Foundation (via videoInput)
CAP_WINRT  Python: cv.CAP_WINRT	Microsoft Windows Runtime using Media Foundation.
CAP_INTELPERC  Python: cv.CAP_INTELPERC	Intel Perceptual Computing SDK.
CAP_OPENNI2  Python: cv.CAP_OPENNI2	OpenNI2 (for Kinect)
CAP_OPENNI2_ASUS  Python: cv.CAP_OPENNI2_ASUS	OpenNI2 (for Asus Xtion and Occipital Structure sensors)
CAP_GPHOTO2  Python: cv.CAP_GPHOTO2	gPhoto2 connection
CAP_GSTREAMER  Python: cv.CAP_GSTREAMER	GStreamer.
CAP_FFMPEG  Python: cv.CAP_FFMPEG	Open and record video file or stream using the FFMPEG library.
CAP_IMAGES  Python: cv.CAP_IMAGES	OpenCV Image Sequence (e.g. img_%02d.jpg)
CAP_ARAVIS  Python: cv.CAP_ARAVIS	Aravis SDK.
CAP_OPENCV_MJPEG  Python: cv.CAP_OPENCV_MJPEG	Built-in OpenCV MotionJPEG codec.
CAP_INTEL_MFX  Python: cv.CAP_INTEL_MFX	Intel MediaSDK.
CAP_XINE  Python: cv.CAP_XINE	XINE engine (Linux)