Ask Your Question

Thoth's profile - activity

2019-05-28 11:59:13 -0500 received badge  Notable Question (source)
2019-03-12 07:18:38 -0500 received badge  Popular Question (source)
2017-04-21 07:24:20 -0500 commented question build openCV-3.1.0 with GStreamer windows

@hyder hello, did you found the solution?

2017-04-21 07:23:59 -0500 answered a question build openCV-3.1.0 with GStreamer windows

@hyder hello, did you found the solution?

2017-04-02 07:36:41 -0500 commented answer VideoWriter fps parameter

@berak thanks for the reply. Is it possible to provide some clarifications on what is happening on the saved video when the parameter fps is different to the real fps? Is there an up-sampling or down-sampling procedure? In other words, how the saved frames are distributed? Thanks again.

2017-03-24 04:23:14 -0500 asked a question VideoWriter fps parameter

Through the VideoWriter the incoming webcam stream is stored in uncompressed form in a .avi. The opencv VideoWriter has an fps parameter that should be set in the initialization of the object so as to proceed with the video writing. However, the incoming stream may have an fps lower of higher to that defined in the parameter. Also the real fps of the incoming stream may be not constant. My question is how the data are stored into the uncompressed .avi in accordance to the real fps? Is there an up sampling or downsampling so as to meet the VideoWriter fps? I couldnt found a documentation for that explanations or other ones that I could not imagine right now.

Thanks.