On Tue, Jun 27, 2023 at 02:16:50PM +1000, Peter Ross wrote:
> On Tue, Jun 27, 2023 at 01:53:01AM +0200, Michael Niedermayer wrote:
> > Changes since v4:
> > * vissualization shows modulation and frequency
> > * limit station search to AM shortwave and FM broadcast band
> > * enable FM Probing with some minor adjustments, it seems good enough
> > * FM Mono demodulation
>
> fantastic work!
>
> is the fm demodulator supposed to work automagically?
> i don't seem to discover anything with this command:
>
> ffplay -sdr_freq 105.5M -station_freq 107.5M -f sdr foo
I used this:
./ffplay -sdr_freq 89M -f sdr abc -video_size 1600x600
(that was with a rtlsdr blog v3)
should be all automatic except right and left arrow keys to switch stations
but iam sure there are bugs
This also needs these patches that are unchanged from my previous submission:
commit feecac41f63a951b151c95a476d9c3ae17af6f48
Author: Michael Niedermayer
Date: Fri Jun 16 19:22:49 2023 +0200
avcodec: Rename ff_kbd_window_init() as it will be needed from outside
libavcodec
commit 9780472946a34bb67eeb4c5aa8acc627e9e6bf68
Author: Michael Niedermayer
Date: Wed Jun 14 17:22:55 2023 +0200
avcodec/kbdwin: Support arbitrary sized windows
Signed-off-by: Michael Niedermayer
commit fa7d5f46f6b7cdafef0dc2d57bb8480ae67778be
Author: Michael Niedermayer
Date: Mon Jun 5 15:56:58 2023 +0200
avcodec/pcm: allow Changing parameters
SDR needs this for switching between mono and stereo stations
Signed-off-by: Michael Niedermayer
commit 2ec856e06b3fda5aff6005439415e5ad0d691f66
Author: Michael Niedermayer
Date: Tue May 30 02:59:11 2023 +0200
avutil/tx_template: extend to 2M
Signed-off-by: Michael Niedermayer
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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