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2014-02-23 14:57:40 -0600 | commented question | Python cv2.VideoCapture from subprocess.PIPE? Oh, it is for linux. |
2014-02-23 14:55:50 -0600 | commented question | Python cv2.VideoCapture from subprocess.PIPE? I want to capture from an external process, so the external process handles the source (codec/format) and converts it into rawvideo format. The idea is that for example avconv can handle reliably all video cams, as I have problems with cv2.VideoCapture an rtsp stream reliably (there are a lot of h264 errors). I am attempting in using named pipe as input for VideoCapture (at this stage without success). Ideally it would be nice to do this: someprocess | videocapture.py, where someprocess provides a rawvideo stream and videocapture.py does OpenCV stuff regardless what is the source of video (motion detection, face detection etc.). |
2014-02-20 20:37:44 -0600 | asked a question | Python cv2.VideoCapture from subprocess.PIPE? Hi, I am trying to capture video from a subprocess (which outputs stream to stdout). Eg: . Obviously snippet from above does not work.... Where the external command will be generating raw video stream... How does captures video from a pipe with python cv2? Thanks a lot! Sergei. |