How to play two videos side by side simultaneously?

[ilongshan]

How to use qt multimedia to play videos side by side simultaneously?

[jsulm]

@ilongshan Well, in the same way you play one video. Just arrange your widgets side by side.

[ilongshan]

@jsulm Thanks for you replay. Actually, bacause I want to compare two video frame by frame, the two videos should be synchronized frame by frame. I don't know how to keep them synchronized. I googled it, but cannot find available solutions.

[SGaist]

Hi,

Then you should consider using a framework like OpenCV or ffmpeg to have better control on the video.

[JoeCFD]

Try to use Qt Gstreamer and create two sink widgets side by side.
https://gstreamer.freedesktop.org/modules/qt-gstreamer.html

[ilongshan]

@SGaist Thanks very much. Originally, I want to use as little as possible third-party libraries, so I am courious that if it can be done with qt6 multimedia module. Using ffmpeg may is a better choice, for it can provide many filters.

[ilongshan]

@SGaist I am considering using ffmpeg. Thanks very much for your reply

[ilongshan]

@JoeCFD Thanks very much for your reply, but I am trying to use ffmpeg, because I am more familar with ffmpeg.