Our current project needs to simultaneously present two
videos and keep them synchronized. We are using ActionScript 3 and
we use one controller (play, pause, stop, hSlider). Our controller
is able to start, pause and stop the two videos just fine. They
start simultaneously, but as they are playing, the two videos fall
out of sync.
There does not seem to be anything systematic about the loss
of sync. That is, sometimes video 1 gets ahead, other times video 2
gets ahead. This loss of sync can be anywhere from 1 frame of video
up to more than a full second of video.
Both videos are running at 15 FPS and have the same key
frames. (In fact, the loss of sync occurs even when we are running
the identical video in the two VideoDisplays.)
We will appreciate any suggestions about keeping these two
videos synchronized while playing.