I had meant to send this to the list also. Begin forwarded message:
> From: James <jpl...@biomantica.com> > Date: August 31, 2017 10:48:29 AM EDT > To: Racket Users <firstname.lastname@example.org> > Subject: Fwd: [racket-users] GUI for ffmpeg and mrlib/terminal > > I had meant to send this to the list as well... > > Begin forwarded message: > >> From: James <jbiomant...@gmail.com> >> Date: August 30, 2017 4:26:24 PM EDT >> To: Leif Andersen <l...@leifandersen.net> >> Subject: Re: [racket-users] GUI for ffmpeg and mrlib/terminal >> >> As mentioned earlier, my primary goal right now is to learn GUI programming >> but I do have a side interest in video editing. I can't spend a lot of time >> on it but I definitely can at lest do some testing and bug reports. One >> thing on my agenda is to eventually find a replacement for QuickTime 7 Pro. >> This is the simplest and easiest editor, by far, for the most common, basic >> things I want to do. Those of us who paid Apple $30 for the Pro version, >> eight years or so ago, are still able to run QuickTime 7, alongside 10, in >> order to have the better editing capability of the old version. I still use >> it but I'm sure it's days are numbered. In fact, one of the more common >> things I do with ffmpeg is convert video from newer formats to something >> that QuickTime 7 can open and edit. I have been intermittently trying out >> potential substitutes but, so far, none of them have been much good in my >> opinion. >> >> James >> >> >> On Aug 29, 2017, at 7:40 PM, Leif Andersen wrote: >> >>> Well James, you're in luck. >>> >>> The short answer is, yes, yes you can. You should check out video at >>> http://lang.video (you can follow the progress either on the blog, the >>> twitter feed http://twitter.com/videolang , or on github itself: >>> https://github.com/videolang/video . Alternatively, you are welcome to >>> arrange a call with me some time so we can coordinate our efforts. >>> >>> >>> The (slightly) longer answer is: you can find the (private and thus >>> unstable) bindings here: >>> https://github.com/videolang/video/tree/master/video/private/ffmpeg; >>> and my (very early) prototype NLVE widgets here: >>> https://github.com/videolang/video/blob/master/video/private/editor.rkt. >>> In either case, contributions are absolutely welcome. Bug reports are >>> also welcome and very helpful. >>> >>> I hope that helps, and feel free to ask any questions. If you are >>> interested in creating GUIs for Video editing we should also sit down >>> for a chat some time. (Either in person or via teleconference.) >>> >>> Anyway, I hope you have a lovely day. >>> >>> ~Leif Andersen >>> >>> >>> On Tue, Aug 29, 2017 at 3:57 PM, James <jbiomant...@gmail.com> wrote: >>>> I have been working through The Racket Graphical Interface Toolkit >>>> documentation to learn GUI programming and I thought I would do a small >>>> but useful project. The idea is to make a simple GUI front end which will >>>> formulate commands for ffmpeg to do various video and audio conversions on >>>> selected files and then run those commands. MrLib/terminal seems like >>>> just the thing except there are various ways that it isn't as good as it >>>> could be for this kind of project. It's mostly small things, for >>>> example, the cancel button is labeled "Abort Instillation" by default. >>>> The one thing which is not so simple is that it looks like it is intended >>>> to just run one command and not create an interactive environment. I was >>>> expecting to be able to send commands to the terminal% object in order to >>>> run things one after another. Instead, you pass a function as a parameter >>>> when you create the terminal% object and it just runs that function. So, >>>> either I have to close the terminal and open a new one each time I run a >>>> command or I suppose that I could have the function work with a thread >>>> mailbox or channels so that I could keep using it. My question is whether >>>> MrLib Terminal the best option for this kind of work or is there a better >>>> bet? >>>> >>>> https://docs.racket-lang.org/mrlib/Terminal_Window.html >>>> >>>> James >>>> >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "Racket Users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to racket-users+unsubscr...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.