b613123291
Open sound device for capture or playback only, if full duplex is not required
2024-03-30 23:28:13 +01:00
a20637825a
Audio rework, new jitter buffer
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Jitter buffer is now based on packets, not on samples. The frames are
dejittered in received form. After reading from jitter buffer, they are
decoded in correct order. If a frame is missing, it is concealed by
repeating audio.
2024-03-30 23:28:05 +01:00
d30d662307
Avoid large buffer on stack, to prevent stack overflows
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This affectes:
* demodulation in libfsk
* audio processing in libmobile
2024-03-25 13:00:06 +01:00
3158c48365
Move from local to external osmo* libraries
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src/libdebug -> libosmocore
src/libselect -> libosmocore
src/libtimer -> libosmocore
src/libosmocc -> libosmo-cc
src/libg711 -> libosmo-cc
2024-02-18 16:23:29 +01:00
2b7efedc48
Refactoring jitter buffer
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Features are:
* Packet based buffer
* Random in, first out
* Adaptive delay compensation (voice)
* Fixed delay (data, optionally MODEM/FAX)
* Interpolation of missing frames
* Any sample size
2022-10-23 16:56:27 +02:00
86d4523cc7
Correctly show channel frequencies in spectrum view when swapping SDR links
2021-11-07 20:00:43 +01:00
6fa74a1296
Refactor global variables for signal processing
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These are:
device, sample rate, buffer, latency
Called now:
dsp_device, dsp_samplerate, dsp_buffer, dsp_latency
Call audio device:
call_device, call_samplerate, call_buffer
2021-10-24 06:25:10 +02:00
Martin Hauke
a07764f0d9
Fixed typos in cli output and source code comments
2021-01-03 09:57:03 +01:00
8929b332cb
Sound: Recover broken audio connection by closing and reopening the device
2020-10-29 08:00:27 +01:00
ed72e29dbb
Add tx-gain option
2020-10-29 07:39:27 +01:00
49c4793106
Add option (global flag) to disable check of channel numbers at sender.c
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This is required for channels that do not belog to actual radio transceivers.
2020-10-29 07:38:28 +01:00
150a77b69d
Add support for AM to libmobile and libsdr
2019-12-08 17:26:44 +01:00
c2f14834e5
Rename dbm0 (level) to speech (level)
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In mobile communications we use speech level instead of milliwatts.
The deviation (FM) is always based on speech level, not on 1 milliwatt.
2019-12-08 17:24:36 +01:00
23bb88ef6e
Describe if audio device exists, but does not support both directions
2019-11-29 15:58:32 +01:00
d6579c1244
Allow giving alphanumeric channels (Prepare for IMTS)
2019-08-26 21:10:20 +02:00
37406db7e3
Minimum frequency must be 8000 Hz
2019-05-30 18:19:06 +02:00
9af2b6e007
Improved wave playback
2018-02-16 15:54:40 +01:00
3a5fa8837c
Improved emphasis
2018-02-16 15:54:39 +01:00
6277753574
Minor debug message corrections
2018-02-15 08:00:18 +01:00
4cc33c5b0d
Make sound card support (Alsa) optional
2018-02-15 08:00:15 +01:00
0b129d3c7f
libdisplay: Removing dependency from libmobile
2018-02-15 08:00:14 +01:00
1a341f6b4e
Restructure: Move debug from common code to 'libdebug'
2017-12-03 08:45:58 +01:00
ab59a26a51
Restructure: Move mobile from common code to 'libmobile'
2017-12-03 08:45:54 +01:00
Andreas Eversberg
Martin Hauke