Hi Jeroen,
It's never easy....
1) codec2_decode() is not defined in freedv_api.h
2) codec2_decode() looks to require "bits" not "packed_bits"
I'd like not to have to modify the codec2 library so my freedv binary
will run on an updated codec2 library.
Al VK2ZIW
On Wed, 17 Jun 2020 12:17:04 +0200, Jeroen Vreeken wrote
> Hi Al,
>
> So you need both the codec2 data and the audio?
> In that case I would use the freedv_rawdatarx function to get thecodec2 data.
> The audio data can be retrieved by calling codec2_decode() with it,then you
> have both.
>
> If you use the freedv_rawdatarx() function the text callbackfunctions will
> still be called in the same manner as if you had usedfreedv_rx() so that
> should not be a problem.
>
> 73,
> Jeroen PE1RXQ
>
> On 06/17/2020 09:20 AM, Al Beard wrote:
> Hi Jeroen,
>
>
> I do actually want the decoded audio andthe text string.
> So, should I decode to voice, the 700C filesaved, after the QSO
> has finished?
>
>
> As I've mentioned, I'm not a "C" guru but Isee a repeater as a very worthwhile
> project offering a remote area digitalvoice communication method for us hams
> where, unlike the commercial users eg.ambulances who have many bases so
> HF skip will always (~mostly) get thesignal to/from base HQ.
>
>
> Also, after a call to freedv_rawdatarx()is the text string recovered?
> It's used to "trigger" retransmission.
>
>
> Alan VK2ZIW
>
>
> On Wed, 17 Jun 2020 02:22:20 +0200, JeroenVreeken wrote
> > You should not mix freedv_rx() with freedv_rawdatarx().
> > Either one should be used.
> > The only difference between the two is that freedv_rx()will go one step
> > further after the modem part and decodes intoaudio.
> >
> > So after the call to freedv_rawdatarx() you are done andcan skip freedv_rx()
> >
> > On 06/16/2020 11:49 PM, Al Beard wrote:
> > Hi Jeroen,
> >
> > In freebeacon.c
> > Line: 720
> >
> > nin = freedv_nin(f);
> > while (codec2_fifo_read(fifo, demod_in,nin) == 0) {
> > int nout = 0;
> > //Alan
> > ncodecb = freedv_rawdatarx(f,rxdata_out, demod_in);
> > // original code continues
> > nout = freedv_rx(f, speech_out,demod_in);
> > freedv_get_modem_stats(f, &sync,&snr_est);
> > nin = freedv_nin(f);
> >
> > ---------
> > Can I do this without causing any problems?
> >
> > I'm concerned that routines called by freedv_rx()will have
> > already processed the demod_in audio data.
> >
> > Alan VK2ZIW
> >
> > On Tue, 16 Jun 2020 17:58:14 +0200, Jeroen Vreekenwrote
> > > Hi Al,
> > >
> > > Until recently you would have needed thefreedv_codecrx() and
> > > freedv_codectx() functions.
> > > If you have the 'latest greatest' git versionyou will need to use
> > > freedv_rawdatarx() and freedv_rawdatatx()
> > >
> > > 73,
> > > Jeroen PE1RXQ
> > >
> > > On 06/16/2020 12:42 PM, Al Beard wrote:
> > > > Hi all,
> > > >
> > > > Yes, it's been eighteen months sincelightning blew my shack
> > > > radios and computers and now I want to usethe latest Codec2
> > > > library code in a repeater.
> > > >
> > > > Starting with the "freebeacon" code, I wantto retransmit the received
> > > > 700C data and include the text string orstrings.
> > > > So the first step is to receive the "packeddata bits".
> > > >
> > > > Can somebody point me to a function infreedv_api.x that will allow
> > > > getting the "packed data bits" ?
> > > >
> > > > (In the past, I had to add a function.)
> > > >
> > > > 73 There is a valve type 73, has anybodyused it in a transmitter
> > > > or receiver?
> > > >---------------------------------------------------
> > > > Alan VK2ZIW
> > > >
> > > > OpenWebMail 2.53
> > > >
> > > >
> > > >
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> > > >
> > >
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> >
> > ---------------------------------------------------
> > Alan Beard
> >
> > OpenWebMail 2.53
> >
> >
> >
> >
> >_______________________________________________
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> ---------------------------------------------------
> Alan Beard
>
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>
>
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>
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