Vasilis Liaskovitis 5d37219833 Refactoring VideoImpl ...

VideoImpl now creates the backend pipeline (queue->videoconvert->...->appsink)
Separate subclasses build a different frontend of the pipeline depending on the
type of video stream (uri, webcam , shared memory) that attaches to the backend
pipeline.

- VideoUridecodeBin: front-end for video file / uri
- VideoV4l2SrcBin: front-end for webcam (at the moment only works with
  /dev/video*files, tested only on Ubuntu 14.04)
- VideoShmSrcBin: front-end for Shared memory / socket (used to work, currently
  has problems)

Code is still hacky, needs work.

2016-04-26 18:32:03 +02:00

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