On 29 Mar 2010, at 23:16, Gregory wrote: > > > On 29 March 2010 14:52, Laurence Penney <[email protected]> wrote: > Thanks a lot. I was hoping, I guess, that there was some standard for simply > whacking a GPX file inside an MPEG4 container, and maybe even a viewer for > such files... Would be doable to make a system that relies on parallel files, > i.e. a GPX of the same name as the video file, and a viewer that would plot a > marker on a map as the video progressed. The GPX could be trimmed to match > the start and end of the video, thus avoiding any video timing issues. > > A really cheap/cheat way of doing it would have your gps record every X > seconds (rather than X distance, or other varying amount). Display a map with > a marker, and make it move to the next location(taken from the trimmed gpx > file) every X seconds. Then you have some way of triggering your map > animation to start and your movie to start at the same time with one button. > I number of problems can be found in this (such as the movie player being > slow to play, or the user pausing the movie), but as I said, it is a cheat > method. >
Here's an example of using a GPS trace to show the current location of a video (whipping it out my back pocket): http://www.trackmyjourney.co.uk/index.php?page=trackvideo&trk=36912 Shaun
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