Personally, I would recommend doing the frontend in Qt. That would cover
both the GUI and the audio part (Qt has audio support through QtMultimedia).
--------------8<--------------8<-------------
*Ronan Paixão
Electronics Engineer
*
2012/5/20 David Rowe <[email protected]>
> Yes these are my thoughts also Gullik.
>
> Thanks you for your kind offer Rick. To the list - Rick has been very
> helpful in mentoring me on HF modem technology over the last few months
> - thanks Rick.
>
> I should point out that Dave Witten is doing some fine work on a cross
> platform Windows/Linux implementation of a GUI system that can be built
> with free tools. Peter Lawrence also did a fantastic job at an earlier
> version a few months back, using an off the shelf modem.
>
> However Rick we would also welcome a .NET version and your wealth of
> experience. I have several demo programs and C header files that
> explain how the FDMDV modem and Codec functions are used. The Codec 2
> and FDMDV web pages have 'quickstart' sections.
>
> The modem functions use 8 kHz sample rate for I/O however I also have
> some 48 to 8 kHz sample rate functions in the fdmdv library.
>
> Rick - one thing Dave W and I would like to talk to you about is the
> best way to drive Windows sound I/O.
>
> Thanks,
>
> David
>
> On Sat, 2012-05-19 at 21:14 +0200, Gullik Webjörn wrote:
> > Fantastic if your combined efforts result in a Linux / Win
> > application that can be used in testing and operating DV mode using
> > codec2. I understand from Peters experimentation that it is possible to
> > code for both major OS in parallell, which would satisfy both the
> > "nonprogramming" win crowd, as well as the experimental Ham community
> > that might want to modify or enhance the application.
> >
> > Regards,
> >
> > Gullik
> >
> > On Sat, 2012-05-19 at 14:37 -0400, Peter Lawrence wrote:
> > > Rick, for what it is worth, I wrote a Windows/Linux application many
> > > months ago based on the 2500bps Codec2. (Note: it did include some
> > > modem functionality, but not the FDMDV functionality that David
> > > subsequently wrote.)
> > >
> > > I haven't had the time to keep up with the latest Codec2 releases or
> > > FDMDV code, but it is important to point out that David already has an
> > > API in the form of the top-level functions declared in codec2.h.
> > >
> > > Not only is there an API, but it is nicely straightforward. Create an
> > > instance with codec2_create(), choose your encode/decode block sizes
> > > based on the values returned by codec2_samples_per_frame() and
> > > codec2_bits_per_frame(), and use codec2_encode() and codec2_decode()
> > > to perform the encoding and decoding respectively.
> > >
> > > I compiled David's code as a static library, rather than a DLL, but
> > > producing a DLL should just be a compiler configuration change.
> > >
> > > Entire sample code for the static library is here:
> > >
> > > http://code.google.com/p/codec2demo/source/browse/#hg%2Foldc2lib
> > >
> > > And more example Windows code calling it is also on the project page.
> > >
> > > On Sat, May 19, 2012 at 6:31 AM, Rick Muething <[email protected]>
> wrote:
> > > > All,
> > > >
> > > > I have been “reading the mail” and making small contributions to
> David
> > > > throughout the last 6 + months. Great work and progress
> made...Thanks David
> > > > and Bruce. Sorry I couldn’t be in Dayton this year to meet you.
> > > >
> > > > I am an experienced Windows .NET programmer (some C, C#, lots of
> VB) and
> > > > would like to contribute with a “wrapper” application with
> integration for
> > > > various sound devices (Including new radios like the IC-7200,
> IC-7600 and
> > > > Kenwood TS-590S that have built in USB sound cards). I have a lot
> of
> > > > experience with real time HF modems in .NET (WINMOR, V4 etc).
> > > >
> > > > I would like to pull something together rapidly for a good ham
> friend and
> > > > mentor who has terminal cancer. He is still able to do testing and
> I’m sure
> > > > could make contributions and suggestions to the software. Because of
> his
> > > > situation time is of the essence and I need to get something done
> quickly. I
> > > > also want to give him a little gift to keep his mind off the pain
> and chemo.
> > > >
> > > > Is there someone in the group that has or could convert the latest
> CODEC2
> > > > code and FDMDV code to a Windows dll that I could incorporate into a
> .NET
> > > > wrapper application. I will need some documentation on how to call
> and pass
> > > > data (parameters, Files, steams etc.) to/from the DLLs. With this I
> think I
> > > > can probably have a test application working in a few weeks. Of
> course I
> > > > will make the application and .NET source available to the CODEC2
> effort.
> > > >
> > > > Thanks and again my congratulations for such a great work. I’m sure
> it got a
> > > > great response in Dayton.
> > > >
> > > > 73,
> > > >
> > > > Rick Muething, KN6KB Winlink Development Team, Author of
> WINMOR and V4
> > > >
> > > >
> > > >
> > > >
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