1 | initial version |
indeed, while DShow is able to read video files, the resp. opencv wrappers don't make any attempt to do so.
(VideoCapture_DShow() has only a constructor for a cam id)
if you want to be able to read video files or url streams, you should at least enable WITH_FFMPEG, and have (the supplied) opencv_ffmpeg.dll around.
2 | No.2 Revision |
indeed, while DShow itself is able to read video files, the resp. opencv wrappers don't make any attempt to do so.
(VideoCapture_DShow() has only a constructor for a cam id)
if you want to be able to read video files or url streams, you should at least enable WITH_FFMPEG, and have (the supplied) opencv_ffmpeg.dll around.