add dependency to soapysdr-tool to make SoapySDRUtil available

ref: #52

.dockerignore

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+.git
+.gitignore
+.idea
+**/*.pyc
+**/*.swp
+black-env
+debian

.gitignore

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+**/*.pyc
+**/*.swp
+tags
+.idea
+packages

CHANGELOG.md

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+**unreleased**
+- Support for SoapyRemote
+
+**2020-02-08**
+- Compression, resampling and filtering in the frontend have been rewritten in javascript, sdr.js has been removed
+- Decoding of Pocsag modulation is now possible
+- Removed the 3D waterfall since it had no real application and required ~1MB of javascript code to be downloaded
+- Improved the frontend handling of the "too many users" scenario
+- PSK63 digimode is now available (same decoding pipeline as PSK31, but with adopted parameters)
+- The frequency can now be manipulated with the mousewheel, which should allow the user to tune more precise. The tuning
+  step size is determined by the digit the mouse cursor is hovering over.
+- Clicking on the frequency now opens an input for direct frequency selection
+- URL hashes have been fixed and improved: They are now updated automatically, so a shared URL will include frequency
+  and demodulator, which allows for improved sharing and linking.
+- New daylight scheduler for background decoding, allows profiles to be selected by local sunrise / sunset times
+- New devices supported:
+  - LimeSDR (`"type": "lime_sdr"`)
+  - PlutoSDR (`"type": "pluto_sdr"`)
+  - RTL_SDR via Soapy (`"type": "rtl_sdr_soapy"`) on special request to allow use of the direct sampling mode
+
+**2020-01-04**
+- The [owrx_connector](https://github.com/jketterl/owrx_connector) is now the default way of communicating with sdr
+  devices. The old sdr types have been replaced, all `_connector` suffixes on the type must be removed!
+- The sources have been refactored, making it a lot easier to add support for other devices
+- SDR device failure handling has been improved, including user feedback
+- New devices supported:
+  - FiFiSDR (`"type": "fifi_sdr"`)
+
+**2019-12-15**
+- wsjt-x updated to 2.1.2
+- The rtl_tcp compatibility mode of the owrx_connector is now configurable using the `rtltcp_compat` flag
+
+**2019-12-10**
+- added support for airspyhf devices (Airspy HF+ / Discovery)
+
+**2019-12-05**
+- explicit device filter for soapy devices for multi-device setups
+
+**2019-12-03**
+- compatibility fixes for safari browsers (ios and mac)
+
+**2019-11-24**
+- There is now a new way to interface with SDR hardware, .
+  They talk directly to the hardware (no rtl_sdr / rx_sdr necessary) and offer I/Q data on a socket, just like nmux
+  did before. They additionally offer a control socket that allows openwebrx to control the SDR parameters directly,
+  without the need for repeated restarts. This allows for quicker profile changes, and also reduces the risk of your
+  SDR hardware from failing during the switchover. See `config_webrx.py` for further information and instructions.
+- Offset tuning using the `lfo_offset` has been reworked in a way that `center_freq` has to be set to the frequency you
+  actually want to listen to. If you're using an `lfo_offset` already, you will probably need to change its sign.
+- `initial_squelch_level` can now be set on each profile.
+- As usual, plenty of fixes and improvements.
+
+**2019-10-27**
+- Part of the frontend code has been reworked
+  - Audio buffer minimums have been completely stripped. As a result, you should get better latency. Unfortunately,
+    this also means there will be some skipping when audio starts.
+  - Now also supports AudioWorklets (for those browser that have it). The Raspberry Pi image has been updated to include
+    https due to the SecureContext requirement.
+  - Mousewheel controls for the receiver sliders
+- Error handling for failed SDR devices
+
+**2019-09-29**
+- One of the most-requested features is finally coming to OpenWebRX: Bookmarks (sometimes also referred to as labels).
+  There's two kinds of bookmarks available:
+  - Serverside bookmarks that are set up by the receiver administrator. Check the file `bookmarks.json` for examples!
+  - Clientside bookmarks which every user can store for themselves. They are stored in the browser's localStorage.
+- Some more bugs in the websocket handling have been fixed.
+
+**2019-09-25**
+- Automatic reporting of spots to [pskreporter](https://pskreporter.info/) is now possible. Please have a look at the
+  configuration on how to set it up.
+- Websocket communication has been overhauled in large parts. It should now be more reliable, and failing connections
+  should now have no impact on other users.
+- Profile scheduling allows to set up band-hopping if you are running background services.
+- APRS now has the ability to show symbols on the map, if a corresponding symbol set has been installed. Check the
+  config!
+- Debug logging has been disabled in a handful of modules, expect vastly reduced output on the shell.
+
+**2019-09-13**
+- New set of APRS-related features
+  - Decode Packet transmissions using [direwolf](https://github.com/wb2osz/direwolf) (1k2 only for now)
+  - APRS packets are mostly decoded and shown both in a new panel and on the map
+  - APRS is also available as a background service
+  - direwolfs I-gate functionality can be enabled, which allows your receiver to work as a receive-only I-gate for the
+    APRS network in the background
+- Demodulation for background services has been optimized to use less total bandwidth, saving CPU
+- More metrics have been added; they can be used together with collectd and its curl_json plugin for now, with some
+  limitations.
+
+**2019-07-21**
+- Latest Features:
+  - More WSJT-X modes have been added, including the new FT4 mode
+  - I started adding a bandplan feature, the first thing visible is the "dial" indicator that brings you right to the
+    dial frequency for digital modes
+  - fixed some bugs in the websocket communication which broke the map
+
+**2019-07-13**
+- Latest Features:
+  - FT8 Integration (using wsjt-x demodulators)
+  - New Map Feature that shows both decoded grid squares from FT8 and Locations decoded from YSF digital voice
+  - New Feature report that will show what functionality is available
+- There's a new Raspbian SD Card image available (see below)
+
+**2019-06-30**
+- I have done some major rework on the openwebrx core, and I am planning to continue adding more features in the near
+  future. Please check this place for updates.
+- My work has not been accepted into the upstream repository, so you will need to chose between my fork and the official
+  version.
+- I have enabled the issue tracker on this project, so feel free to file bugs or suggest enhancements there!
+- This version sports the following new and amazing features:
+  - Support of multiple SDR devices simultaneously
+  - Support for multiple profiles per SDR that allow the user to listen to different frequencies
+  - Support for digital voice decoding
+  - Feature detection that will disable functionality when dependencies are not available (if you're missing the digital
+    buttons, this is probably why)
+- Raspbian SD Card Images and Docker builds available (see below)
+- I am currently working on the feature set for a stable release, but you are more than welcome to test development
+  versions!

LICENSE.txt

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+
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+
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+
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+
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+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
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+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
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+
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+    Copyright (C) <year>  <name of author>
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+    it under the terms of the GNU Affero General Public License as published by
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+
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+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.

README.md

@@ -3,43 +3,74 @@ OpenWebRX
 
 OpenWebRX is a multi-user SDR receiver software with a web interface.
 
-![OpenWebRX](/screenshot.png?raw=true)
+![OpenWebRX](http://blog.sdr.hu/images/openwebrx/screenshot.png)
 
 It has the following features:
 
-- <a href="https://github.com/simonyiszk/csdr">libcsdr</a> based demodulators (AM/FM/SSB),
-- filter passband can be set from GUI,
-- waterfall display can be shifted back in time,
-- it extensively uses HTML5 features like WebSocket, Web Audio API, and &lt;canvas&gt;.
-- it works in Google Chrome, Chromium (above version 37) and Mozilla Firefox (above version 28),
-- currently only supports RTL-SDR, but other SDR hardware may be easily added.
+- [csdr](https://github.com/jketterl/csdr) based demodulators (AM/FM/SSB/CW/BPSK31/BPSK63)
+- filter passband can be set from GUI
+- it extensively uses HTML5 features like WebSocket, Web Audio API, and Canvas
+- it works in Google Chrome, Chromium and Mozilla Firefox
+- currently supports RTL-SDR, HackRF, SDRplay, AirSpy, LimeSDR, PlutoSDR
+- Multiple SDR devices can be used simultaneously
+- [digiham](https://github.com/jketterl/digiham) based demodularors (DMR, YSF, Pocsag)
+- [dsd](https://github.com/f4exb/dsdcc) based demodulators (D-Star, NXDN)
+- [wsjt-x](https://physics.princeton.edu/pulsar/k1jt/wsjtx.html) based demodulators (FT8, FT4, WSPR, JT65, JT9)
 
 ## Setup
 
-OpenWebRX currently requires Linux and python 2.7 to run. 
+### Raspberry Pi SD Card Images
+
+Probably the quickest way to get started is to download the latest Raspberry Pi SD Card Image. It contains all the
+depencencies out of the box, and should work on all Raspberry Pis. It is based off the Raspbian Lite distribution,
+so [their installation instructions](https://www.raspberrypi.org/documentation/installation/installing-images/) apply.
+
+You can find the latest images [here](https://s3.eu-central-1.amazonaws.com/de.dd5jfk.openwebrx/index.html). You can
+also checkout the `nightly` folder, which has the most recent builds, albeit untested.
+
+Once you have booted a Raspberry with the SD Card, it will appear in your network with the hostname "openwebrx", which
+should make it available as https://openwebrx/ on most networks. This may vary depending on your specific setup.
+
+For Digital voice, the minimum requirement right now seems to be a Rasbperry Pi 3B+. I would like to work on optimizing
+this for lower specs, but at this point I am not sure how much can be done. 
+
+### Docker Images
+
+For those familiar with docker, I am providing
+[recent builds and Releases for both x86 and arm processors on the Docker hub](https://hub.docker.com/r/jketterl/openwebrx).
+You can find a short introduction there.
+
+### Manual Installation
+
+OpenWebRX currently requires Linux and python >= 3.6 to run. 
 
 First you will need to install the dependencies:
 
-- <a href="https://github.com/simonyiszk/csdr">libcsdr</a>
-- <a href="http://sdr.osmocom.org/trac/wiki/rtl-sdr">rtl-sdr</a>
+- [csdr](https://github.com/jketterl/csdr)
+- [rtl-sdr](http://sdr.osmocom.org/trac/wiki/rtl-sdr)
+- [owrx_connector](https://github.com/jketterl/owrx_connector)
+
+Optional dependencies if you want to be able to listen do digital voice:
+
+- [digiham](https://github.com/jketterl/digiham)
+- [dsd](https://github.com/f4exb/dsdcc)
+
+Optional dependency if you want to decode WSJT-X modes:
+
+- [wsjt-x](https://physics.princeton.edu/pulsar/k1jt/wsjtx.html)
+
+[Detailed installation instructions in the Wiki](https://github.com/jketterl/openwebrx/wiki/Manual-Package-installation-(including-digital-voice))
 
 After cloning this repository and connecting an RTL-SDR dongle to your computer, you can run the server:
 
-	python openwebrx.py
-
+	./openwebrx.py
+	
 You can now open the GUI at <a href="http://localhost:8073">http://localhost:8073</a>.
 
-Please note that the server is also listening on the following ports (on localhost only):
-
-- port 8888 for the I/Q source,
-- port 4951 for the multi-user I/Q server.
-
 Now the next step is to customize the parameters of your server in `config_webrx.py`.
 
-Actually, if you do something cool with OpenWebRX (or just have a problem), please drop me a mail:  
-*Andras Retzler, HA7ILM &lt;randras@sdr.hu&gt;*
-
-I would like to maintain a list of online amateur radio receivers on <a href="http://openwebrx.org/">openwebrx.org</a>.
+Actually, if you do something cool with OpenWebRX, please drop me a mail:  
+*Jakob Ketterl, DD5JFK &lt;dd5jfk@darc.de&gt;*
 
 ## Usage tips
 
@@ -49,16 +80,10 @@ The filter envelope can be dragged at its ends and moved around to set the passb
 
 However, if you hold down the shift key, you can drag the center line (BFO) or the whole passband (PBS).
 
-## Configuration tips
+## Licensing
 
-If you want to run OpenWebRX on a remote server instead of localhost, do not forget to set *server_hostname* in `config_webrx.py`, or you may get a WebSocket error.
+OpenWebRX is available under Affero GPL v3 license
+([summary](https://tldrlegal.com/license/gnu-affero-general-public-license-v3-(agpl-3.0)).
 
-DSP CPU usage can be fine-tuned in `plugins/dsp/csdr/plugin.py`: you can set transition bandwidths higher (thus degrade filter performance by decreasing the length of the kernel, but also decrease CPU usage), and also set `fft_size` lower.
-
-If you constantly get *audio overrun* errors, you may change `audio_buffer_maximal_length_sec` in `openwebrx.js` from the default 1.7 to 3.
-
-If you want a chat-box to the top of the page, <a href="https://gist.github.com/ha7ilm/15c4c5e4c80cef9b3144">here is a snippet</a> for you to include in `config_webrx.py`.
-
-## Todo
-
-Currently, clients use up a lot of bandwidth. This will be improved later.
+OpenWebRX is also available under a commercial license on request. Please contact me at the address
+*&lt;randras@sdr.hu&gt;* for licensing options. 

bands.json

@@ -0,0 +1,193 @@
+[
+  {
+    "name": "160m",
+    "lower_bound": 1810000,
+    "upper_bound": 2000000,
+    "frequencies": {
+      "psk31": 1838000,
+      "ft8": 1840000,
+      "wspr": 1836600,
+      "jt65": 1838000,
+      "jt9": 1839000
+    }
+  },
+  {
+    "name": "80m",
+    "lower_bound": 3500000,
+    "upper_bound": 3800000,
+    "frequencies": {
+      "psk31": 3580000,
+      "ft8": 3573000,
+      "wspr": 3592600,
+      "jt65": 3570000,
+      "jt9": 3572000,
+      "ft4": [3568000, 3575000]
+    }
+  },
+  {
+    "name": "60m",
+    "lower_bound": 5351500,
+    "upper_bound": 5366500,
+    "frequencies": {
+      "ft8": 5357000,
+      "wspr": 5364700
+    }
+  },
+  {
+    "name": "40m",
+    "lower_bound": 7000000,
+    "upper_bound": 7200000,
+    "frequencies": {
+      "psk31": 7040000,
+      "ft8": 7074000,
+      "wspr": 7038600,
+      "jt65": 7076000,
+      "jt9": 7078000,
+      "ft4": 7047500
+    }
+  },
+  {
+    "name": "30m",
+    "lower_bound": 10100000,
+    "upper_bound": 10150000,
+    "frequencies": {
+      "psk31": 10141000,
+      "ft8": 10136000,
+      "wspr": 10138700,
+      "jt65": 10138000,
+      "jt9": 10140000,
+      "ft4": 10140000
+    }
+  },
+  {
+    "name": "20m",
+    "lower_bound": 14000000,
+    "upper_bound": 14350000,
+    "frequencies": {
+      "psk31": 14070000,
+      "ft8": 14074000,
+      "wspr": 14095600,
+      "jt65": 14076000,
+      "jt9": 14078000,
+      "ft4": 14080000
+    }
+  },
+  {
+    "name": "17m",
+    "lower_bound": 18068000,
+    "upper_bound": 18168000,
+    "frequencies": {
+      "psk31": 18098000,
+      "ft8": 18100000,
+      "wspr": 18104600,
+      "jt65": 18102000,
+      "jt9": 18104000,
+      "ft4": 18104000
+    }
+  },
+  {
+    "name": "15m",
+    "lower_bound": 21000000,
+    "upper_bound": 21450000,
+    "frequencies": {
+      "psk31": 21070000,
+      "ft8": 21074000,
+      "wspr": 21094600,
+      "jt65": 21076000,
+      "jt9": 21078000,
+      "ft4": 21140000
+    }
+  },
+  {
+    "name": "12m",
+    "lower_bound": 24890000,
+    "upper_bound": 24990000,
+    "frequencies": {
+      "psk31": 24920000,
+      "ft8": 24915000,
+      "wspr": 24924600,
+      "jt65": 24917000,
+      "jt9": 24919000,
+      "ft4": 24919000
+    }
+  },
+  {
+    "name": "10m",
+    "lower_bound": 28000000,
+    "upper_bound": 29700000,
+    "frequencies": {
+      "psk31": [28070000, 28120000],
+      "ft8": 28074000,
+      "wspr": 28124600,
+      "jt65": 28076000,
+      "jt9": 28078000,
+      "ft4": 28180000
+    }
+  },
+  {
+    "name": "6m",
+    "lower_bound": 50030000,
+    "upper_bound": 51000000,
+    "frequencies": {
+      "psk31": 50305000,
+      "ft8": 50313000,
+      "wspr": 50293000,
+      "jt65": 50310000,
+      "jt9": 50312000,
+      "ft4": 50318000
+    }
+  },
+  {
+    "name": "4m",
+    "lower_bound": 70150000,
+    "upper_bound": 70200000,
+    "frequencies": {
+      "wspr": 70091000
+    }
+  },
+  {
+    "name": "2m",
+    "lower_bound": 144000000,
+    "upper_bound": 146000000,
+    "frequencies": {
+      "wspr": 144489000,
+      "ft8": 144174000,
+      "ft4": 144170000,
+      "jt65": 144120000,
+      "packet": 144800000
+    }
+  },
+  {
+    "name": "70cm",
+    "lower_bound": 430000000,
+    "upper_bound": 440000000,
+    "frequencies": {
+      "pocsag": 439987500
+    }
+  },
+  {
+    "name": "23cm",
+    "lower_bound": 1240000000,
+    "upper_bound": 1300000000
+  },
+  {
+    "name": "13cm",
+    "lower_bound": 2320000000,
+    "upper_bound": 2450000000
+  },
+  {
+    "name": "9cm",
+    "lower_bound": 3400000000,
+    "upper_bound": 3475000000
+  },
+  {
+    "name": "6cm",
+    "lower_bound": 5650000000,
+    "upper_bound": 5850000000
+  },
+  {
+    "name": "3cm",
+    "lower_bound": 10000000000,
+    "upper_bound": 10500000000
+  }
+]

bookmarks.json

@@ -0,0 +1,217 @@
+[
+  {
+    "name": "DB0ZU",
+    "frequency": 145725000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0ZM",
+    "frequency": 145750000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DM0ULR",
+    "frequency": 145787500,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0EL",
+    "frequency": 439275000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0NJ",
+    "frequency": 438775000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0NJ",
+    "frequency": 439437500,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0UFO",
+    "frequency": 438312500,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0PV",
+    "frequency": 438525000,
+    "modulation": "ysf"
+  },
+  {
+    "name": "DB0BZA",
+    "frequency": 438412500,
+    "modulation": "ysf"
+  },
+  {
+    "name": "DB0OSH",
+    "frequency": 438250000,
+    "modulation": "ysf"
+  },
+  {
+    "name": "DB0ULR",
+    "frequency": 439325000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0ZU",
+    "frequency": 438850000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0ISW",
+    "frequency": 438650000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "Radio DARC",
+    "frequency": 6070000,
+    "modulation": "am"
+  },
+  {
+    "name": "DB0TVM",
+    "frequency": 439575000,
+    "modulation": "dstar"
+  },
+  {
+    "name": "DB0TVM",
+    "frequency": 439800000,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0TR",
+    "frequency": 438700000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0PME",
+    "frequency": 439825000,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0HKN",
+    "frequency": 438300000,
+    "modulation": "dmr"
+  },
+  {
+    "name": "OE2XHM",
+    "frequency": 438825000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DM0WW",
+    "frequency": 438962500,
+    "modulation": "dmr"
+  },
+  {
+    "name": "OE7XXR",
+    "frequency": 438200000,
+    "modulation": "dstar"
+  },
+  {
+    "name": "OE2XZR",
+    "frequency": 439000000,
+    "modulation": "dstar"
+  },
+  {
+    "name": "DB0OAL",
+    "frequency": 439912500,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0AAT",
+    "frequency": 439550000,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0FSG",
+    "frequency": 439937500,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0ULR",
+    "frequency": 145575000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0RDH",
+    "frequency": 145737500,
+    "modulation": "dstar"
+  },
+  {
+    "name": "DM0GAP",
+    "frequency": 145612500,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0XF",
+    "frequency": 145600000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0TOL",
+    "frequency": 145712500,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0TTB",
+    "frequency": 439587500,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0TRS",
+    "frequency": 439125000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0OAL",
+    "frequency": 438937500,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DM0ULR",
+    "frequency": 439337500,
+    "modulation": "nxdn"
+  },
+  {
+    "name": "DB0MIR",
+    "frequency": 439300000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0PM",
+    "frequency": 439075000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0CP",
+    "frequency": 439025000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "OE7XGR",
+    "frequency": 438925000,
+    "modulation": "dmr"
+  },
+  {
+    "name": "DB0TOL",
+    "frequency": 438725000,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0OAL",
+    "frequency": 438325000,
+    "modulation": "dstar"
+  },
+  {
+    "name": "DB0ROL",
+    "frequency": 439237500,
+    "modulation": "nfm"
+  },
+  {
+    "name": "DB0ABX",
+    "frequency": 439137500,
+    "modulation": "nfm"
+  }
+]

build.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -euxo pipefail
+. docker/env
+
+docker build --pull -t openwebrx-base:$ARCHTAG -f docker/Dockerfiles/Dockerfile-base .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-rtlsdr:$ARCHTAG -f docker/Dockerfiles/Dockerfile-rtlsdr .
+docker build --build-arg ARCHTAG=$ARCHTAG -t openwebrx-soapysdr-base:$ARCHTAG -f docker/Dockerfiles/Dockerfile-soapysdr .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-sdrplay:$ARCHTAG -f docker/Dockerfiles/Dockerfile-sdrplay .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-hackrf:$ARCHTAG -f docker/Dockerfiles/Dockerfile-hackrf .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-airspy:$ARCHTAG -f docker/Dockerfiles/Dockerfile-airspy .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-rtlsdr-soapy:$ARCHTAG -f docker/Dockerfiles/Dockerfile-rtlsdr-soapy .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-plutosdr:$ARCHTAG -f docker/Dockerfiles/Dockerfile-plutosdr .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-limesdr:$ARCHTAG -f docker/Dockerfiles/Dockerfile-limesdr .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-soapyremote:$ARCHTAG -f docker/Dockerfiles/Dockerfile-soapyremote .
+docker build --build-arg ARCHTAG=$ARCHTAG -t jketterl/openwebrx-full:$ARCHTAG -t jketterl/openwebrx:$ARCHTAG -f docker/Dockerfiles/Dockerfile-full .

config_rtl.py

@@ -1,87 +0,0 @@
-'''
-This file is part of RTL Multi-User Server, 
-	that makes multi-user access to your DVB-T dongle used as an SDR.
-Copyright (c) 2013-2014 by Andras Retzler <randras@sdr.hu>
-
-RTL Multi-User Server is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-RTL Multi-User Server is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with RTL Multi-User Server.  If not, see <http://www.gnu.org/licenses/>.
-'''
-
-my_ip='127.0.0.1' # leave blank for listening on all interfaces
-my_listening_port = 4951 
-
-rtl_tcp_host,rtl_tcp_port='localhost',8888
-
-send_first=""
-#send_first=chr(9)+chr(0)+chr(0)+chr(0)+chr(1) # set direct sampling
-
-setuid_on_start = 0					# we normally start with root privileges and setuid() to another user
-uid = 999 							# determine by issuing: $ id -u username
-ignore_clients_without_commands = 1 # we won't serve data to telnet sessions and things like that
-									# we'll start to serve data after getting the first valid command 
-
-freq_allowed_ranges = [[0,2200000000]]
-
-client_cant_set_until=0		
-first_client_can_set=True	# openwebrx - spectrum thread will set things on start # no good, clients set parameters and things
-buffer_size=25000000		# per client
-log_file_path = "/dev/null" # Might be set to /dev/null to turn off logging
-
-'''
-Allow any host to connect:
-	use_ip_access_control=0
-
-Allow from specific ranges:
-	use_ip_access_control=1
-	order_allow_deny=0 # deny and then allow
-	denied_ip_ranges=() # deny from all
-	allowed_ip_ranges=('192.168.','44.','127.0.0.1') # allow only from ...
-
-Deny from specific ranges:
-	use_ip_access_control=1
-	order_allow_deny=0 # allow and then deny
-	allowed_ip_ranges=() # allow from all
-	denied_ip_ranges=('192.168.') # deny any hosts from ...
-'''
-use_ip_access_control=1 #You may want to open up the I/Q server to the public, then set this to zero.
-order_allow_deny=0
-denied_ip_ranges=() # deny from all
-allowed_ip_ranges=('127.0.0.1') # allow only local connections (from openwebrx). 
-allow_gain_set=1
-
-use_dsp_command=False # you can process raw I/Q data with a custom command that starts a process that we can pipe the data into, and also pipe out of.
-debug_dsp_command=False # show sample rate before and after the dsp command
-dsp_command=""
-
-'''
-Example DSP commands:
-  * Compress I/Q data with FLAC:
-    flac --force-raw-format --channels 2 --sample-rate=250000 --sign=unsigned --bps=8 --endian=little -o - -
-  * Decompress FLAC-coded I/Q data:
-    flac --force-raw-format --decode --endian=little --sign=unsigned - -
-'''
-watchdog_interval=1.5
-reconnect_interval=10 
-'''
-If there's no input I/Q data after N seconds, input will be filled with zero samples, 
-so that GNU Radio won't fail in openwebrx. It may reconnect rtl_tcp_tread. 
-If watchdog_interval is 0, then watchdog thread is not started. 
-
-'''
-cache_full_behaviour=2
-'''
-	0 = drop samples
-	1 = close client
-	2 = openwebrx: don't care about that client until it wants samples again (gr-osmosdr bug workaround)
-'''
-

config_webrx.py

@@ -1,42 +1,52 @@
-# -*- coding: utf-8 -*- 
+# -*- coding: utf-8 -*-
 
 """
 config_webrx: configuration options for OpenWebRX
 
-OpenWebRX (c) Copyright 2013-2014 Andras Retzler <randras@sdr.hu>
+    This file is part of OpenWebRX,
+    an open-source SDR receiver software with a web UI.
+    Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu>
+    Copyright (c) 2019-2020 by Jakob Ketterl <dd5jfk@darc.de>
 
-This file is part of OpenWebRX.
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation, either version 3 of the
+    License, or (at your option) any later version.
 
-    OpenWebRX is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenWebRX is distributed in the hope that it will be useful,
+    This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+    GNU Affero General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with OpenWebRX.  If not, see <http://www.gnu.org/licenses/>.
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+    In addition, as a special exception, the copyright holders
+    state that config_rtl.py and config_webrx.py are not part of the
+    Corresponding Source defined in GNU AGPL version 3 section 1.
+
+    (It means that you do not have to redistribute config_rtl.py and
+    config_webrx.py if you make any changes to these two configuration files,
+    and use them for running your web service with OpenWebRX.)
 """
-#Server settings
-web_port=8073
-server_hostname="localhost" # If this contains an incorrect value, the web UI may freeze on load (it can't open websocket)
 
-#Web GUI configuration
-receiver_name="[Callsign]"
-receiver_location="Budapest, Hungary"
-receiver_qra="JN97ML"
-receiver_asl=182
-receiver_ant="Longwire"
-receiver_device="RTL-SDR"
-receiver_admin="localhost@localhost"
-receiver_gps=(47.000000,19.000000)
-photo_height=350
-photo_title="Panorama of Budapest from Schönherz Zoltán Dormitory"
-photo_desc="""
+# NOTE: you can find additional information about configuring OpenWebRX in the Wiki:
+#       https://github.com/simonyiszk/openwebrx/wiki
+
+# ==== Server settings ====
+web_port = 8073
+max_clients = 20
+
+# ==== Web GUI configuration ====
+receiver_name = "[Callsign]"
+receiver_location = "Budapest, Hungary"
+receiver_asl = 200
+receiver_admin = "example@example.com"
+receiver_gps = (47.000000, 19.000000)
+photo_title = "Panorama of Budapest from Schönherz Zoltán Dormitory"
+photo_desc = """
 You can add your own background photo and receiver information.<br />
 Receiver is operated by: <a href="mailto:%[RX_ADMIN]">%[RX_ADMIN]</a><br/>
 Device: %[RX_DEVICE]<br />
@@ -44,16 +54,263 @@ Antenna: %[RX_ANT]<br />
 Website: <a href="http://localhost" target="_blank">http://localhost</a>
 """
 
-#DSP/RX settings
-dsp_plugin="csdr"
-fft_fps=9
-fft_size=4096
-samp_rate = 250000
-center_freq = 145525000
-rf_gain = 5
+# ==== sdr.hu listing ====
+# If you want your ham receiver to be listed publicly on sdr.hu, then take the following steps:
+# 1. Register at: http://sdr.hu/register
+# 2. You will get an unique key by email. Copy it and paste here:
+sdrhu_key = ""
+# 3. Set this setting to True to enable listing:
+sdrhu_public_listing = False
+server_hostname = "localhost"
 
-start_rtl_thread=True #rtl_sdr is more stable than rtl_tcp...
-start_rtl_command="rtl_sdr -s {samp_rate} -f {center_freq}  - | nc -vvl 127.0.0.1 -p 8888".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate) 
-#start_rtl_tcp_command="rtl_tcp -s 250000 -f 145525000 -g 0 -p 8888"
-#You can use other SDR hardware as well, but if the command above outputs samples in a format other than [unsigned char], then the dsp plugin has to be slightly modified (at the csdr convert_u8_f part).
+# ==== DSP/RX settings ====
+fft_fps = 9
+fft_size = 4096  # Should be power of 2
+fft_voverlap_factor = (
+    0.3  # If fft_voverlap_factor is above 0, multiple FFTs will be used for creating a line on the diagram.
+)
 
+audio_compression = "adpcm"  # valid values: "adpcm", "none"
+fft_compression = "adpcm"  # valid values: "adpcm", "none"
+
+digimodes_enable = True  # Decoding digimodes come with higher CPU usage.
+digimodes_fft_size = 1024
+
+# determines the quality, and thus the cpu usage, for the ambe codec used by digital voice modes
+# if you're running on a Raspi (up to 3B+) you'll want to leave this on 1
+digital_voice_unvoiced_quality = 1
+# enables lookup of DMR ids using the radioid api
+digital_voice_dmr_id_lookup = True
+
+"""
+Note: if you experience audio underruns while CPU usage is 100%, you can: 
+- decrease `samp_rate`,
+- set `fft_voverlap_factor` to 0,
+- decrease `fft_fps` and `fft_size`,
+- limit the number of users by decreasing `max_clients`.
+"""
+
+# ==== I/Q sources ====
+# (Uncomment the appropriate by removing # characters at the beginning of the corresponding lines.)
+
+#################################################################################################
+# Is my SDR hardware supported?                                                                 #
+# Check here: https://github.com/simonyiszk/openwebrx/wiki#guides-for-receiver-hardware-support #
+#################################################################################################
+
+# Currently supported types of sdr receivers:
+# "rtl_sdr", "sdrplay", "hackrf", "airspy", "airspyhf", "fifi_sdr"
+#
+# In order to use rtl_sdr, you will need to install librtlsdr-dev and the connector.
+# In order to use sdrplay, airspy or airspyhf, you will need to install soapysdr, the corresponding driver, and the
+# connector.
+#
+# https://github.com/jketterl/owrx_connector
+#
+# NOTE: The connector sources have replaced the old piped nmux style of reading input. If you still have any sdrs
+# configured that have type endin in "_connector", simply remove that suffix.
+
+sdrs = {
+    "rtlsdr": {
+        "name": "RTL-SDR USB Stick",
+        "type": "rtl_sdr",
+        "ppm": 0,
+        # you can change this if you use an upconverter. formula is:
+        # center_freq + lfo_offset = actual frequency on the sdr
+        # "lfo_offset": 0,
+        "profiles": {
+            "70cm": {
+                "name": "70cm Relais",
+                "center_freq": 438800000,
+                "rf_gain": 30,
+                "samp_rate": 2400000,
+                "start_freq": 439275000,
+                "start_mod": "nfm",
+            },
+            "2m": {
+                "name": "2m komplett",
+                "center_freq": 145000000,
+                "rf_gain": 30,
+                "samp_rate": 2400000,
+                "start_freq": 145725000,
+                "start_mod": "nfm",
+            },
+        },
+    },
+    "airspy": {
+        "name": "Airspy HF+",
+        "type": "airspyhf",
+        "ppm": 0,
+        "profiles": {
+            "20m": {
+                "name": "20m",
+                "center_freq": 14150000,
+                "rf_gain": 10,
+                "samp_rate": 768000,
+                "start_freq": 14070000,
+                "start_mod": "usb",
+            },
+            "30m": {
+                "name": "30m",
+                "center_freq": 10125000,
+                "rf_gain": 10,
+                "samp_rate": 192000,
+                "start_freq": 10142000,
+                "start_mod": "usb",
+            },
+            "40m": {
+                "name": "40m",
+                "center_freq": 7100000,
+                "rf_gain": 10,
+                "samp_rate": 256000,
+                "start_freq": 7070000,
+                "start_mod": "usb",
+            },
+            "80m": {
+                "name": "80m",
+                "center_freq": 3650000,
+                "rf_gain": 10,
+                "samp_rate": 768000,
+                "start_freq": 3570000,
+                "start_mod": "usb",
+            },
+            "49m": {
+                "name": "49m Broadcast",
+                "center_freq": 6000000,
+                "rf_gain": 10,
+                "samp_rate": 768000,
+                "start_freq": 6070000,
+                "start_mod": "am",
+            },
+        },
+    },
+    "sdrplay": {
+        "name": "SDRPlay RSP2",
+        "type": "sdrplay",
+        "ppm": 0,
+        "profiles": {
+            "20m": {
+                "name": "20m",
+                "center_freq": 14150000,
+                "rf_gain": 0,
+                "samp_rate": 500000,
+                "start_freq": 14070000,
+                "start_mod": "usb",
+                "antenna": "Antenna A",
+            },
+            "30m": {
+                "name": "30m",
+                "center_freq": 10125000,
+                "rf_gain": 0,
+                "samp_rate": 250000,
+                "start_freq": 10142000,
+                "start_mod": "usb",
+            },
+            "40m": {
+                "name": "40m",
+                "center_freq": 7100000,
+                "rf_gain": 0,
+                "samp_rate": 500000,
+                "start_freq": 7070000,
+                "start_mod": "usb",
+                "antenna": "Antenna A",
+            },
+            "80m": {
+                "name": "80m",
+                "center_freq": 3650000,
+                "rf_gain": 0,
+                "samp_rate": 500000,
+                "start_freq": 3570000,
+                "start_mod": "usb",
+                "antenna": "Antenna A",
+            },
+            "49m": {
+                "name": "49m Broadcast",
+                "center_freq": 6000000,
+                "rf_gain": 0,
+                "samp_rate": 500000,
+                "start_freq": 6070000,
+                "start_mod": "am",
+                "antenna": "Antenna A",
+            },
+        },
+    },
+}
+
+# ==== Color themes ====
+
+# A guide is available to help you set these values: https://github.com/simonyiszk/openwebrx/wiki/Calibrating-waterfall-display-levels
+
+### default theme by teejez:
+waterfall_colors = [0x000000FF, 0x0000FFFF, 0x00FFFFFF, 0x00FF00FF, 0xFFFF00FF, 0xFF0000FF, 0xFF00FFFF, 0xFFFFFFFF]
+waterfall_min_level = -88  # in dB
+waterfall_max_level = -20
+waterfall_auto_level_margin = (5, 40)
+### old theme by HA7ILM:
+# waterfall_colors = "[0x000000ff,0x2e6893ff, 0x69a5d0ff, 0x214b69ff, 0x9dc4e0ff,  0xfff775ff, 0xff8a8aff, 0xb20000ff]"
+# waterfall_min_level = -115 #in dB
+# waterfall_max_level = 0
+# waterfall_auto_level_margin = (20, 30)
+##For the old colors, you might also want to set [fft_voverlap_factor] to 0.
+
+# Note: When the auto waterfall level button is clicked, the following happens:
+#   [waterfall_min_level] = [current_min_power_level] - [waterfall_auto_level_margin[0]]
+#   [waterfall_max_level] = [current_max_power_level] + [waterfall_auto_level_margin[1]]
+#
+#   ___|____________________________________|____________________________________|____________________________________|___> signal power
+#        \_waterfall_auto_level_margin[0]_/ |__ current_min_power_level          | \_waterfall_auto_level_margin[1]_/
+#                                                      current_max_power_level __|
+
+# === Experimental settings ===
+# Warning! The settings below are very experimental.
+csdr_dynamic_bufsize = False  # This allows you to change the buffering mode of csdr.
+csdr_print_bufsizes = False  # This prints the buffer sizes used for csdr processes.
+csdr_through = False  # Setting this True will print out how much data is going into the DSP chains.
+
+nmux_memory = 50  # in megabytes. This sets the approximate size of the circular buffer used by nmux.
+
+google_maps_api_key = ""
+
+# how long should positions be visible on the map?
+# they will start fading out after half of that
+# in seconds; default: 2 hours
+map_position_retention_time = 2 * 60 * 60
+
+# wsjt decoder queue configuration
+# due to the nature of the wsjt operating modes (ft8, ft8, jt9, jt65 and wspr), the data is recorded for a given amount
+# of time (6.5 seconds up to 2 minutes) and decoded at the end. this can lead to very high peak loads.
+# to mitigate this, the recordings will be queued and processed in sequence.
+# the number of workers will limit the total amount of work (one worker will losely occupy one cpu / thread)
+wsjt_queue_workers = 2
+# the maximum queue length will cause decodes to be dumped if the workers cannot keep up
+# if you are running background services, make sure this number is high enough to accept the task influx during peaks
+# i.e. this should be higher than the number of wsjt services running at the same time
+wsjt_queue_length = 10
+# wsjt decoding depth will allow more results, but will also consume more cpu
+wsjt_decoding_depth = 3
+# can also be set for each mode separately
+# jt65 seems to be somewhat prone to erroneous decodes, this setting handles that to some extent
+wsjt_decoding_depths = {"jt65": 1}
+
+temporary_directory = "/tmp"
+
+services_enabled = False
+services_decoders = ["ft8", "ft4", "wspr", "packet"]
+
+# === aprs igate settings ===
+# if you want to share your APRS decodes with the aprs network, configure these settings accordingly
+aprs_callsign = "N0CALL"
+aprs_igate_enabled = False
+aprs_igate_server = "euro.aprs2.net"
+aprs_igate_password = ""
+# beacon uses the receiver_gps setting, so if you enable this, make sure the location is correct there
+aprs_igate_beacon = False
+
+# path to the aprs symbols repository (get it here: https://github.com/hessu/aprs-symbols)
+aprs_symbols_path = "/opt/aprs-symbols/png"
+
+# === PSK Reporter setting ===
+# enable this if you want to upload all ft8, ft4 etc spots to pskreporter.info
+# this also uses the receiver_gps setting from above, so make sure it contains a correct locator
+pskreporter_enabled = False
+pskreporter_callsign = "N0CALL"

csdr/csdr.py

@@ -0,0 +1,760 @@
+"""
+OpenWebRX csdr plugin: do the signal processing with csdr
+
+    This file is part of OpenWebRX,
+    an open-source SDR receiver software with a web UI.
+    Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu>
+    Copyright (c) 2019-2020 by Jakob Ketterl <dd5jfk@darc.de>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation, either version 3 of the
+    License, or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+
+import subprocess
+import os
+import signal
+import threading
+import math
+from functools import partial
+
+from owrx.kiss import KissClient, DirewolfConfig
+from owrx.wsjt import Ft8Chopper, WsprChopper, Jt9Chopper, Jt65Chopper, Ft4Chopper
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class output(object):
+    def send_output(self, t, read_fn):
+        if not self.supports_type(t):
+            # TODO rewrite the output mechanism in a way that avoids producing unnecessary data
+            logger.warning("dumping output of type %s since it is not supported.", t)
+            threading.Thread(target=self.pump(read_fn, lambda x: None)).start()
+            return
+        self.receive_output(t, read_fn)
+
+    def receive_output(self, t, read_fn):
+        pass
+
+    def pump(self, read, write):
+        def copy():
+            run = True
+            while run:
+                data = read()
+                if data is None or (isinstance(data, bytes) and len(data) == 0):
+                    run = False
+                else:
+                    write(data)
+
+        return copy
+
+    def supports_type(self, t):
+        return True
+
+
+class dsp(object):
+    def __init__(self, output):
+        self.samp_rate = 250000
+        self.output_rate = 11025
+        self.fft_size = 1024
+        self.fft_fps = 5
+        self.offset_freq = 0
+        self.low_cut = -4000
+        self.high_cut = 4000
+        self.bpf_transition_bw = 320  # Hz, and this is a constant
+        self.ddc_transition_bw_rate = 0.15  # of the IF sample rate
+        self.running = False
+        self.secondary_processes_running = False
+        self.audio_compression = "none"
+        self.fft_compression = "none"
+        self.demodulator = "nfm"
+        self.name = "csdr"
+        self.base_bufsize = 512
+        self.nc_port = None
+        self.csdr_dynamic_bufsize = False
+        self.csdr_print_bufsizes = False
+        self.csdr_through = False
+        self.squelch_level = -150
+        self.fft_averages = 50
+        self.iqtee = False
+        self.iqtee2 = False
+        self.secondary_demodulator = None
+        self.secondary_fft_size = 1024
+        self.secondary_process_fft = None
+        self.secondary_process_demod = None
+        self.pipe_names = [
+            "bpf_pipe",
+            "shift_pipe",
+            "squelch_pipe",
+            "smeter_pipe",
+            "meta_pipe",
+            "iqtee_pipe",
+            "iqtee2_pipe",
+            "dmr_control_pipe",
+        ]
+        self.secondary_pipe_names = ["secondary_shift_pipe"]
+        self.secondary_offset_freq = 1000
+        self.unvoiced_quality = 1
+        self.modification_lock = threading.Lock()
+        self.output = output
+        self.temporary_directory = "/tmp"
+        self.is_service = False
+        self.direwolf_config = None
+        self.direwolf_port = None
+
+    def set_service(self, flag=True):
+        self.is_service = flag
+
+    def set_temporary_directory(self, what):
+        self.temporary_directory = what
+
+    def chain(self, which):
+        chain = ["nc -v 127.0.0.1 {nc_port}"]
+        if self.csdr_dynamic_bufsize:
+            chain += ["csdr setbuf {start_bufsize}"]
+        if self.csdr_through:
+            chain += ["csdr through"]
+        if which == "fft":
+            chain += [
+                "csdr fft_cc {fft_size} {fft_block_size}",
+                "csdr logpower_cf -70"
+                if self.fft_averages == 0
+                else "csdr logaveragepower_cf -70 {fft_size} {fft_averages}",
+                "csdr fft_exchange_sides_ff {fft_size}",
+            ]
+            if self.fft_compression == "adpcm":
+                chain += ["csdr compress_fft_adpcm_f_u8 {fft_size}"]
+            return chain
+        chain += ["csdr shift_addition_cc --fifo {shift_pipe}"]
+        if self.decimation > 1:
+            chain += ["csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING"]
+        chain += ["csdr bandpass_fir_fft_cc --fifo {bpf_pipe} {bpf_transition_bw} HAMMING"]
+        if self.output.supports_type("smeter"):
+            chain += [
+                "csdr squelch_and_smeter_cc --fifo {squelch_pipe} --outfifo {smeter_pipe} 5 {smeter_report_every}"
+            ]
+        if self.secondary_demodulator:
+            if self.output.supports_type("secondary_fft"):
+                chain += ["csdr tee {iqtee_pipe}"]
+            chain += ["csdr tee {iqtee2_pipe}"]
+            # early exit if we don't want audio
+            if not self.output.supports_type("audio"):
+                return chain
+        # safe some cpu cycles... no need to decimate if decimation factor is 1
+        last_decimation_block = (
+            ["csdr fractional_decimator_ff {last_decimation}"] if self.last_decimation != 1.0 else []
+        )
+        if which == "nfm":
+            chain += ["csdr fmdemod_quadri_cf", "csdr limit_ff"]
+            chain += last_decimation_block
+            chain += ["csdr deemphasis_nfm_ff {audio_rate}"]
+            if self.get_audio_rate() != self.get_output_rate():
+                chain += [
+                    "sox -t raw -r {audio_rate} -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - "
+                ]
+            else:
+                chain += ["csdr convert_f_s16"]
+        elif self.isDigitalVoice(which):
+            chain += ["csdr fmdemod_quadri_cf", "dc_block "]
+            chain += last_decimation_block
+            # dsd modes
+            if which in ["dstar", "nxdn"]:
+                chain += ["csdr limit_ff", "csdr convert_f_s16"]
+                if which == "dstar":
+                    chain += ["dsd -fd -i - -o - -u {unvoiced_quality} -g -1 "]
+                elif which == "nxdn":
+                    chain += ["dsd -fi -i - -o - -u {unvoiced_quality} -g -1 "]
+                chain += ["CSDR_FIXED_BUFSIZE=32 csdr convert_s16_f"]
+                max_gain = 5
+            # digiham modes
+            else:
+                chain += ["rrc_filter", "gfsk_demodulator"]
+                if which == "dmr":
+                    chain += [
+                        "dmr_decoder --fifo {meta_pipe} --control-fifo {dmr_control_pipe}",
+                        "mbe_synthesizer -f -u {unvoiced_quality}",
+                    ]
+                elif which == "ysf":
+                    chain += ["ysf_decoder --fifo {meta_pipe}", "mbe_synthesizer -y -f -u {unvoiced_quality}"]
+                max_gain = 0.0005
+            chain += [
+                "digitalvoice_filter -f",
+                "CSDR_FIXED_BUFSIZE=32 csdr agc_ff 160000 0.8 1 0.0000001 {max_gain}".format(max_gain=max_gain),
+                "sox -t raw -r 8000 -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - ",
+            ]
+        elif which == "am":
+            chain += ["csdr amdemod_cf", "csdr fastdcblock_ff"]
+            chain += last_decimation_block
+            chain += ["csdr agc_ff", "csdr limit_ff", "csdr convert_f_s16"]
+        elif which == "ssb":
+            chain += ["csdr realpart_cf"]
+            chain += last_decimation_block
+            chain += ["csdr agc_ff", "csdr limit_ff"]
+            # fixed sample rate necessary for the wsjt-x tools. fix with sox...
+            if self.get_audio_rate() != self.get_output_rate():
+                chain += [
+                    "sox -t raw -r {audio_rate} -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - "
+                ]
+            else:
+                chain += ["csdr convert_f_s16"]
+
+        if self.audio_compression == "adpcm":
+            chain += ["csdr encode_ima_adpcm_i16_u8"]
+        return chain
+
+    def secondary_chain(self, which):
+        chain = ["cat {input_pipe}"]
+        if which == "fft":
+            chain += [
+                "csdr realpart_cf",
+                "csdr fft_fc {secondary_fft_input_size} {secondary_fft_block_size}",
+                "csdr logpower_cf -70",
+            ]
+            if self.fft_compression == "adpcm":
+                chain += ["csdr compress_fft_adpcm_f_u8 {secondary_fft_size}"]
+            return chain
+        elif which == "bpsk31" or which == "bpsk63":
+            return chain + [
+                "csdr shift_addition_cc --fifo {secondary_shift_pipe}",
+                "csdr bandpass_fir_fft_cc -{secondary_bpf_cutoff} {secondary_bpf_cutoff} {secondary_bpf_cutoff}",
+                "csdr simple_agc_cc 0.001 0.5",
+                "csdr timing_recovery_cc GARDNER {secondary_samples_per_bits} 0.5 2 --add_q",
+                "CSDR_FIXED_BUFSIZE=1 csdr dbpsk_decoder_c_u8",
+                "CSDR_FIXED_BUFSIZE=1 csdr psk31_varicode_decoder_u8_u8",
+            ]
+        elif self.isWsjtMode(which):
+            chain += ["csdr realpart_cf"]
+            if self.last_decimation != 1.0:
+                chain += ["csdr fractional_decimator_ff {last_decimation}"]
+            return chain + ["csdr limit_ff", "csdr convert_f_s16"]
+        elif which == "packet":
+            chain += ["csdr fmdemod_quadri_cf"]
+            if self.last_decimation != 1.0:
+                chain += ["csdr fractional_decimator_ff {last_decimation}"]
+            return chain + ["csdr convert_f_s16", "direwolf -c {direwolf_config} -r {audio_rate} -t 0 -q d -q h 1>&2"]
+        elif which == "pocsag":
+            chain += ["csdr fmdemod_quadri_cf"]
+            if self.last_decimation != 1.0:
+                chain += ["csdr fractional_decimator_ff {last_decimation}"]
+            return chain + ["fsk_demodulator -i", "pocsag_decoder"]
+
+    def set_secondary_demodulator(self, what):
+        if self.get_secondary_demodulator() == what:
+            return
+        self.secondary_demodulator = what
+        self.calculate_decimation()
+        self.restart()
+
+    def secondary_fft_block_size(self):
+        return (self.samp_rate / self.decimation) / (
+            self.fft_fps * 2
+        )  # *2 is there because we do FFT on real signal here
+
+    def secondary_decimation(self):
+        return 1  # currently unused
+
+    def secondary_bpf_cutoff(self):
+        if self.secondary_demodulator == "bpsk31":
+            return 31.25 / self.if_samp_rate()
+        elif self.secondary_demodulator == "bpsk63":
+            return 62.5 / self.if_samp_rate()
+        return 0
+
+    def secondary_bpf_transition_bw(self):
+        if self.secondary_demodulator == "bpsk31":
+            return 31.25 / self.if_samp_rate()
+        elif self.secondary_demodulator == "bpsk63":
+            return 62.5 / self.if_samp_rate()
+        return 0
+
+    def secondary_samples_per_bits(self):
+        if self.secondary_demodulator == "bpsk31":
+            return int(round(self.if_samp_rate() / 31.25)) & ~3
+        elif self.secondary_demodulator == "bpsk63":
+            return int(round(self.if_samp_rate() / 62.5)) & ~3
+        return 0
+
+    def secondary_bw(self):
+        if self.secondary_demodulator == "bpsk31":
+            return 31.25
+        elif self.secondary_demodulator == "bpsk63":
+            return 62.5
+
+    def start_secondary_demodulator(self):
+        if not self.secondary_demodulator:
+            return
+        logger.debug("starting secondary demodulator from IF input sampled at %d" % self.if_samp_rate())
+        secondary_command_demod = " | ".join(self.secondary_chain(self.secondary_demodulator))
+        self.try_create_pipes(self.secondary_pipe_names, secondary_command_demod)
+        self.try_create_configs(secondary_command_demod)
+
+        secondary_command_demod = secondary_command_demod.format(
+            input_pipe=self.iqtee2_pipe,
+            secondary_shift_pipe=self.secondary_shift_pipe,
+            secondary_decimation=self.secondary_decimation(),
+            secondary_samples_per_bits=self.secondary_samples_per_bits(),
+            secondary_bpf_cutoff=self.secondary_bpf_cutoff(),
+            secondary_bpf_transition_bw=self.secondary_bpf_transition_bw(),
+            if_samp_rate=self.if_samp_rate(),
+            last_decimation=self.last_decimation,
+            audio_rate=self.get_audio_rate(),
+            direwolf_config=self.direwolf_config,
+        )
+
+        logger.debug("secondary command (demod) = %s", secondary_command_demod)
+        my_env = os.environ.copy()
+        # if self.csdr_dynamic_bufsize: my_env["CSDR_DYNAMIC_BUFSIZE_ON"]="1";
+        if self.csdr_print_bufsizes:
+            my_env["CSDR_PRINT_BUFSIZES"] = "1"
+        if self.output.supports_type("secondary_fft"):
+            secondary_command_fft = " | ".join(self.secondary_chain("fft"))
+            secondary_command_fft = secondary_command_fft.format(
+                input_pipe=self.iqtee_pipe,
+                secondary_fft_input_size=self.secondary_fft_size,
+                secondary_fft_size=self.secondary_fft_size,
+                secondary_fft_block_size=self.secondary_fft_block_size(),
+            )
+            logger.debug("secondary command (fft) = %s", secondary_command_fft)
+
+            self.secondary_process_fft = subprocess.Popen(
+                secondary_command_fft, stdout=subprocess.PIPE, shell=True, start_new_session=True, env=my_env
+            )
+            self.output.send_output(
+                "secondary_fft",
+                partial(self.secondary_process_fft.stdout.read, int(self.get_secondary_fft_bytes_to_read())),
+            )
+
+        # direwolf does not provide any meaningful data on stdout
+        # more specifically, it doesn't provide any data. if however, for any strange reason, it would start to do so,
+        # it would block if not read. by piping it to devnull, we avoid a potential pitfall here.
+        secondary_output = subprocess.DEVNULL if self.isPacket() else subprocess.PIPE
+        self.secondary_process_demod = subprocess.Popen(
+            secondary_command_demod, stdout=secondary_output, shell=True, start_new_session=True, env=my_env
+        )
+        self.secondary_processes_running = True
+
+        if self.isWsjtMode():
+            smd = self.get_secondary_demodulator()
+            if smd == "ft8":
+                chopper = Ft8Chopper(self.secondary_process_demod.stdout)
+            elif smd == "wspr":
+                chopper = WsprChopper(self.secondary_process_demod.stdout)
+            elif smd == "jt65":
+                chopper = Jt65Chopper(self.secondary_process_demod.stdout)
+            elif smd == "jt9":
+                chopper = Jt9Chopper(self.secondary_process_demod.stdout)
+            elif smd == "ft4":
+                chopper = Ft4Chopper(self.secondary_process_demod.stdout)
+            chopper.start()
+            self.output.send_output("wsjt_demod", chopper.read)
+        elif self.isPacket():
+            # we best get the ax25 packets from the kiss socket
+            kiss = KissClient(self.direwolf_port)
+            self.output.send_output("packet_demod", kiss.read)
+        elif self.isPocsag():
+            self.output.send_output("pocsag_demod", self.secondary_process_demod.stdout.readline)
+        else:
+            self.output.send_output("secondary_demod", partial(self.secondary_process_demod.stdout.read, 1))
+
+        # open control pipes for csdr and send initialization data
+        if self.secondary_shift_pipe != None:  # TODO digimodes
+            self.secondary_shift_pipe_file = open(self.secondary_shift_pipe, "w")  # TODO digimodes
+            self.set_secondary_offset_freq(self.secondary_offset_freq)  # TODO digimodes
+
+    def set_secondary_offset_freq(self, value):
+        self.secondary_offset_freq = value
+        if self.secondary_processes_running and hasattr(self, "secondary_shift_pipe_file"):
+            self.secondary_shift_pipe_file.write("%g\n" % (-float(self.secondary_offset_freq) / self.if_samp_rate()))
+            self.secondary_shift_pipe_file.flush()
+
+    def stop_secondary_demodulator(self):
+        if self.secondary_processes_running == False:
+            return
+        self.try_delete_pipes(self.secondary_pipe_names)
+        self.try_delete_configs()
+        if self.secondary_process_fft:
+            try:
+                os.killpg(os.getpgid(self.secondary_process_fft.pid), signal.SIGTERM)
+            except ProcessLookupError:
+                # been killed by something else, ignore
+                pass
+        if self.secondary_process_demod:
+            try:
+                os.killpg(os.getpgid(self.secondary_process_demod.pid), signal.SIGTERM)
+            except ProcessLookupError:
+                # been killed by something else, ignore
+                pass
+        self.secondary_processes_running = False
+
+    def get_secondary_demodulator(self):
+        return self.secondary_demodulator
+
+    def set_secondary_fft_size(self, secondary_fft_size):
+        # to change this, restart is required
+        self.secondary_fft_size = secondary_fft_size
+
+    def set_audio_compression(self, what):
+        self.audio_compression = what
+
+    def get_audio_bytes_to_read(self):
+        # desired latency: 5ms
+        # uncompressed audio has 16 bits = 2 bytes per sample
+        base = self.output_rate * 0.005 * 2
+        # adpcm compresses the bitstream by 4
+        if self.audio_compression == "adpcm":
+            base = base / 4
+        return int(base)
+
+    def set_fft_compression(self, what):
+        self.fft_compression = what
+
+    def get_fft_bytes_to_read(self):
+        if self.fft_compression == "none":
+            return self.fft_size * 4
+        if self.fft_compression == "adpcm":
+            return int((self.fft_size / 2) + (10 / 2))
+
+    def get_secondary_fft_bytes_to_read(self):
+        if self.fft_compression == "none":
+            return self.secondary_fft_size * 4
+        if self.fft_compression == "adpcm":
+            return (self.secondary_fft_size / 2) + (10 / 2)
+
+    def set_samp_rate(self, samp_rate):
+        self.samp_rate = samp_rate
+        self.calculate_decimation()
+        if self.running:
+            self.restart()
+
+    def calculate_decimation(self):
+        (self.decimation, self.last_decimation, _) = self.get_decimation(self.samp_rate, self.get_audio_rate())
+
+    def get_decimation(self, input_rate, output_rate):
+        decimation = 1
+        while input_rate / (decimation + 1) >= output_rate:
+            decimation += 1
+        fraction = float(input_rate / decimation) / output_rate
+        intermediate_rate = input_rate / decimation
+        return (decimation, fraction, intermediate_rate)
+
+    def if_samp_rate(self):
+        return self.samp_rate / self.decimation
+
+    def get_name(self):
+        return self.name
+
+    def get_output_rate(self):
+        return self.output_rate
+
+    def get_audio_rate(self):
+        if self.isDigitalVoice() or self.isPacket() or self.isPocsag():
+            return 48000
+        elif self.isWsjtMode():
+            return 12000
+        return self.get_output_rate()
+
+    def isDigitalVoice(self, demodulator=None):
+        if demodulator is None:
+            demodulator = self.get_demodulator()
+        return demodulator in ["dmr", "dstar", "nxdn", "ysf"]
+
+    def isWsjtMode(self, demodulator=None):
+        if demodulator is None:
+            demodulator = self.get_secondary_demodulator()
+        return demodulator in ["ft8", "wspr", "jt65", "jt9", "ft4"]
+
+    def isPacket(self, demodulator=None):
+        if demodulator is None:
+            demodulator = self.get_secondary_demodulator()
+        return demodulator == "packet"
+
+    def isPocsag(self, demodulator=None):
+        if demodulator is None:
+            demodulator = self.get_secondary_demodulator()
+        return demodulator == "pocsag"
+
+    def set_output_rate(self, output_rate):
+        if self.output_rate == output_rate:
+            return
+        self.output_rate = output_rate
+        self.calculate_decimation()
+        self.restart()
+
+    def set_demodulator(self, demodulator):
+        if self.demodulator == demodulator:
+            return
+        self.demodulator = demodulator
+        self.calculate_decimation()
+        self.restart()
+
+    def get_demodulator(self):
+        return self.demodulator
+
+    def set_fft_size(self, fft_size):
+        self.fft_size = fft_size
+        self.restart()
+
+    def set_fft_fps(self, fft_fps):
+        self.fft_fps = fft_fps
+        self.restart()
+
+    def set_fft_averages(self, fft_averages):
+        self.fft_averages = fft_averages
+        self.restart()
+
+    def fft_block_size(self):
+        if self.fft_averages == 0:
+            return self.samp_rate / self.fft_fps
+        else:
+            return self.samp_rate / self.fft_fps / self.fft_averages
+
+    def set_offset_freq(self, offset_freq):
+        self.offset_freq = offset_freq
+        if self.running:
+            self.modification_lock.acquire()
+            self.shift_pipe_file.write("%g\n" % (-float(self.offset_freq) / self.samp_rate))
+            self.shift_pipe_file.flush()
+            self.modification_lock.release()
+
+    def set_bpf(self, low_cut, high_cut):
+        self.low_cut = low_cut
+        self.high_cut = high_cut
+        if self.running:
+            self.modification_lock.acquire()
+            self.bpf_pipe_file.write(
+                "%g %g\n" % (float(self.low_cut) / self.if_samp_rate(), float(self.high_cut) / self.if_samp_rate())
+            )
+            self.bpf_pipe_file.flush()
+            self.modification_lock.release()
+
+    def get_bpf(self):
+        return [self.low_cut, self.high_cut]
+
+    def convertToLinear(self, db):
+        return float(math.pow(10, db / 10))
+
+    def set_squelch_level(self, squelch_level):
+        self.squelch_level = squelch_level
+        # no squelch required on digital voice modes
+        actual_squelch = -150 if self.isDigitalVoice() or self.isPacket() or self.isPocsag() else self.squelch_level
+        if self.running:
+            self.modification_lock.acquire()
+            self.squelch_pipe_file.write("%g\n" % (self.convertToLinear(actual_squelch)))
+            self.squelch_pipe_file.flush()
+            self.modification_lock.release()
+
+    def set_unvoiced_quality(self, q):
+        self.unvoiced_quality = q
+        self.restart()
+
+    def get_unvoiced_quality(self):
+        return self.unvoiced_quality
+
+    def set_dmr_filter(self, filter):
+        if self.dmr_control_pipe_file:
+            self.dmr_control_pipe_file.write("{0}\n".format(filter))
+            self.dmr_control_pipe_file.flush()
+
+    def mkfifo(self, path):
+        try:
+            os.unlink(path)
+        except:
+            pass
+        os.mkfifo(path)
+
+    def ddc_transition_bw(self):
+        return self.ddc_transition_bw_rate * (self.if_samp_rate() / float(self.samp_rate))
+
+    def try_create_pipes(self, pipe_names, command_base):
+        for pipe_name in pipe_names:
+            if "{" + pipe_name + "}" in command_base:
+                setattr(self, pipe_name, self.pipe_base_path + pipe_name)
+                self.mkfifo(getattr(self, pipe_name))
+            else:
+                setattr(self, pipe_name, None)
+
+    def try_delete_pipes(self, pipe_names):
+        for pipe_name in pipe_names:
+            pipe_path = getattr(self, pipe_name, None)
+            if pipe_path:
+                try:
+                    os.unlink(pipe_path)
+                except FileNotFoundError:
+                    # it seems like we keep calling this twice. no idea why, but we don't need the resulting error.
+                    pass
+                except Exception:
+                    logger.exception("try_delete_pipes()")
+
+    def try_create_configs(self, command):
+        if "{direwolf_config}" in command:
+            self.direwolf_config = "{tmp_dir}/openwebrx_direwolf_{myid}.conf".format(
+                tmp_dir=self.temporary_directory, myid=id(self)
+            )
+            self.direwolf_port = KissClient.getFreePort()
+            file = open(self.direwolf_config, "w")
+            file.write(DirewolfConfig().getConfig(self.direwolf_port, self.is_service))
+            file.close()
+        else:
+            self.direwolf_config = None
+            self.direwolf_port = None
+
+    def try_delete_configs(self):
+        if self.direwolf_config:
+            try:
+                os.unlink(self.direwolf_config)
+            except FileNotFoundError:
+                # result suits our expectations. fine :)
+                pass
+            except Exception:
+                logger.exception("try_delete_configs()")
+            self.direwolf_config = None
+
+    def start(self):
+        self.modification_lock.acquire()
+        if self.running:
+            self.modification_lock.release()
+            return
+        self.running = True
+
+        command_base = " | ".join(self.chain(self.demodulator))
+
+        # create control pipes for csdr
+        self.pipe_base_path = "{tmp_dir}/openwebrx_pipe_{myid}_".format(tmp_dir=self.temporary_directory, myid=id(self))
+
+        self.try_create_pipes(self.pipe_names, command_base)
+
+        # run the command
+        command = command_base.format(
+            bpf_pipe=self.bpf_pipe,
+            shift_pipe=self.shift_pipe,
+            decimation=self.decimation,
+            last_decimation=self.last_decimation,
+            fft_size=self.fft_size,
+            fft_block_size=self.fft_block_size(),
+            fft_averages=self.fft_averages,
+            bpf_transition_bw=float(self.bpf_transition_bw) / self.if_samp_rate(),
+            ddc_transition_bw=self.ddc_transition_bw(),
+            flowcontrol=int(self.samp_rate * 2),
+            start_bufsize=self.base_bufsize * self.decimation,
+            nc_port=self.nc_port,
+            squelch_pipe=self.squelch_pipe,
+            smeter_pipe=self.smeter_pipe,
+            meta_pipe=self.meta_pipe,
+            iqtee_pipe=self.iqtee_pipe,
+            iqtee2_pipe=self.iqtee2_pipe,
+            output_rate=self.get_output_rate(),
+            smeter_report_every=int(self.if_samp_rate() / 6000),
+            unvoiced_quality=self.get_unvoiced_quality(),
+            dmr_control_pipe=self.dmr_control_pipe,
+            audio_rate=self.get_audio_rate(),
+        )
+
+        logger.debug("Command = %s", command)
+        my_env = os.environ.copy()
+        if self.csdr_dynamic_bufsize:
+            my_env["CSDR_DYNAMIC_BUFSIZE_ON"] = "1"
+        if self.csdr_print_bufsizes:
+            my_env["CSDR_PRINT_BUFSIZES"] = "1"
+
+        out = subprocess.PIPE if self.output.supports_type("audio") else subprocess.DEVNULL
+        self.process = subprocess.Popen(command, stdout=out, shell=True, start_new_session=True, env=my_env)
+
+        def watch_thread():
+            rc = self.process.wait()
+            logger.debug("dsp thread ended with rc=%d", rc)
+            if rc == 0 and self.running and not self.modification_lock.locked():
+                logger.debug("restarting since rc = 0, self.running = true, and no modification")
+                self.restart()
+
+        threading.Thread(target=watch_thread).start()
+
+        if self.output.supports_type("audio"):
+            self.output.send_output(
+                "audio",
+                partial(
+                    self.process.stdout.read,
+                    self.get_fft_bytes_to_read() if self.demodulator == "fft" else self.get_audio_bytes_to_read(),
+                ),
+            )
+
+        # open control pipes for csdr
+        if self.bpf_pipe:
+            self.bpf_pipe_file = open(self.bpf_pipe, "w")
+        if self.shift_pipe:
+            self.shift_pipe_file = open(self.shift_pipe, "w")
+        if self.squelch_pipe:
+            self.squelch_pipe_file = open(self.squelch_pipe, "w")
+        self.start_secondary_demodulator()
+
+        self.modification_lock.release()
+
+        # send initial config through the pipes
+        if self.squelch_pipe:
+            self.set_squelch_level(self.squelch_level)
+        if self.shift_pipe:
+            self.set_offset_freq(self.offset_freq)
+        if self.bpf_pipe:
+            self.set_bpf(self.low_cut, self.high_cut)
+        if self.smeter_pipe:
+            self.smeter_pipe_file = open(self.smeter_pipe, "r")
+
+            def read_smeter():
+                raw = self.smeter_pipe_file.readline()
+                if len(raw) == 0:
+                    return None
+                else:
+                    return float(raw.rstrip("\n"))
+
+            self.output.send_output("smeter", read_smeter)
+        if self.meta_pipe != None:
+            # TODO make digiham output unicode and then change this here
+            self.meta_pipe_file = open(self.meta_pipe, "r", encoding="cp437")
+
+            def read_meta():
+                raw = self.meta_pipe_file.readline()
+                if len(raw) == 0:
+                    return None
+                else:
+                    return raw.rstrip("\n")
+
+            self.output.send_output("meta", read_meta)
+
+        if self.dmr_control_pipe:
+            self.dmr_control_pipe_file = open(self.dmr_control_pipe, "w")
+
+    def stop(self):
+        self.modification_lock.acquire()
+        self.running = False
+        if hasattr(self, "process"):
+            try:
+                os.killpg(os.getpgid(self.process.pid), signal.SIGTERM)
+            except ProcessLookupError:
+                # been killed by something else, ignore
+                pass
+        self.stop_secondary_demodulator()
+
+        self.try_delete_pipes(self.pipe_names)
+
+        self.modification_lock.release()
+
+    def restart(self):
+        if not self.running:
+            return
+        self.stop()
+        self.start()
+
+    def __del__(self):
+        self.stop()
+        del self.process

debian/changelog

@@ -0,0 +1,97 @@
+openwebrx (0.18.0) buster; urgency=low
+
+  * Compression, resampling and filtering in the frontend have been rewritten
+    in javascript, sdr.js has been removed
+  * Decoding of Pocsag modulation is now possible
+  * Removed the 3D waterfall since it had no real application and required ~1MB
+    of javascript code to be downloaded
+  * Improved the frontend handling of the "too many users" scenario
+  * PSK63 digimode is now available (same decoding pipeline as PSK31, but with
+    adopted parameters)
+  * The frequency can now be manipulated with the mousewheel, which should
+    allow the user to tune more precise. The tuning step size is determined by
+    the digit the mouse cursor is hovering over.
+  * Clicking on the frequency now opens an input for direct frequency selection
+  * URL hashes have been fixed and improved: They are now updated
+    automatically, so a shared URL will include frequency and demodulator,
+    which allows for improved sharing and linking.
+  * New daylight scheduler for background decoding, allows profiles to be
+    selected by local sunrise / sunset times
+  * The owrx_connector is now the default way of communicating with sdr
+    devices. The old sdr types have been replaced, all `_connector` suffixes on
+    the type must be removed!
+  * The sources have been refactored, making it a lot easier to add support for
+    other devices
+  * SDR device failure handling has been improved, including user feedback
+  * New devices supported:
+  * wsjt-x updated to 2.1.2
+  * The rtl_tcp compatibility mode of the owrx_connector is now configurable
+    using the `rtltcp_compat` flag
+  * explicit device filter for soapy devices for multi-device setups
+  * compatibility fixes for safari browsers (ios and mac)
+  * Offset tuning using the `lfo_offset` has been reworked in a way that
+    `center_freq` has to be set to the frequency you actually want to listen
+    to. If you're using an `lfo_offset` already, you will probably need to
+    change its sign.
+  * `initial_squelch_level` can now be set on each profile.
+  * Part of the frontend code has been reworked
+    - Audio buffer minimums have been completely stripped. As a result, you
+      should get better latency. Unfortunately, this also means there will be
+      some skipping when audio starts.
+    - Now also supports AudioWorklets (for those browser that have it).
+    - Mousewheel controls for the receiver sliders
+  * Error handling for failed SDR devices
+  * One of the most-requested features is finally coming to OpenWebRX:
+    Bookmarks (sometimes also referred to as labels).
+    There's two kinds of bookmarks available:
+    - Serverside bookmarks that are set up by the receiver administrator.
+      Check the file `bookmarks.json` for examples!
+    - Clientside bookmarks which every user can store for themselves. They are
+      stored in the browser's localStorage.
+  * Automatic reporting of spots to [pskreporter](https://pskreporter.info/) is
+    now possible. Please have a look at the configuration on how to set it up.
+  * Websocket communication has been overhauled in large parts. It should now
+    be more reliable, and failing connections should now have no impact on
+    other users.
+  * Profile scheduling allows to set up band-hopping if you are running
+    background services.
+  * APRS now has the ability to show symbols on the map, if a corresponding
+    symbol set has been installed. Check the config!
+  * Debug logging has been disabled in a handful of modules, expect vastly
+    reduced output on the shell.
+  * New set of APRS-related features
+    - Decode Packet transmissions using direwolf (1k2 only for now)
+    - APRS packets are mostly decoded and shown both in a new panel and on the
+      map
+    - APRS is also available as a background service
+    - direwolfs I-gate functionality can be enabled, which allows your receiver
+      to work as a receive-only I-gate for the APRS network in the background
+  * Demodulation for background services has been optimized to use less total
+    bandwidth, saving CPU
+  * More metrics have been added; they can be used together with collectd and
+    its curl_json plugin for now, with some limitations.
+  * New bandplan feature, the first thing visible is the "dial" indicator that
+    brings you right to the dial frequency for digital modes
+  * fixed some bugs in the websocket communication which broke the map
+  * WSJT-X integration (FT8, FT4, WSPR, JT65, JT9 using wsjt-x demodulators)
+  * New Map Feature that shows both decoded grid squares from FT8 and Locations
+    decoded from YSF digital voice
+  * New Feature report that will show what functionality is available
+  * major rework on the openwebrx core
+  * Support of multiple SDR devices simultaneously
+  * Support for multiple profiles per SDR that allow the user to listen to
+    different frequencies
+  * Support for digital voice decoding
+  * Feature detection that will disable functionality when dependencies are not
+    available (if you're missing the digital
+    buttons, this is probably why)
+  * Support added for the following SDR sources:
+    - LimeSDR (`"type": "lime_sdr"`)
+    - PlutoSDR (`"type": "pluto_sdr"`)
+    - RTL_SDR via Soapy (`"type": "rtl_sdr_soapy"`) on special request to allow
+      use of the direct sampling mode
+    - SoapyRemote (`"type": "soapy_remote"`)
+    - FiFiSDR (`"type": "fifi_sdr"`)
+    - airspyhf devices (Airspy HF+ / Discovery) (`"type": "airspyhf"`)
+
+ -- Jakob Ketterl <jakob.ketterl@gmx.de>  Tue, 18 Feb 2020 20:09:00 +0000

debian/compat

@@ -0,0 +1 @@
+10

debian/control

@@ -0,0 +1,13 @@
+Source: openwebrx
+Maintainer: Jakob Ketterl <jakob.ketterl@gmx.de>
+Section: hamradio
+Priority: optional
+Standards-Version: 4.2.0
+Build-Depends: debhelper (>= 10), dh-python, python3 (>= 3.5)
+
+Package: openwebrx
+Architecture: all
+Depends: adduser, python3 (>= 3.5), python3-pkg-resources, csdr (>= 0.14), netcat, owrx-connector (>= 0.1), ${python3:Depends}, ${misc:Depends}
+Recommends: digiham (>= 0.3), dsd (>= 1.7), sox, direwolf (>= 1.4), wsjtx, soapysdr-tools
+Description: multi-user web sdr
+ Open source, multi-user SDR receiver with a web interface

debian/openwebrx.install

@@ -0,0 +1,4 @@
+config_webrx.py etc/openwebrx/
+bands.json etc/openwebrx/
+bookmarks.json etc/openwebrx/
+systemd/openwebrx.service lib/systemd/system/

debian/postinst

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -euxo pipefail
+
+adduser --system --group --no-create-home --home /nonexistant openwebrx
+usermod -aG plugdev openwebrx
+
+#DEBHELPER#

debian/rules

@@ -0,0 +1,5 @@
+#!/usr/bin/make -f
+export PYBUILD_NAME=openwebrx
+
+%:
+	dh $@ --with python3 --buildsystem=pybuild --with systemd

debian/source/format

@@ -0,0 +1 @@
+3.0 (native)

docker/Dockerfiles/Dockerfile-airspy

@@ -0,0 +1,10 @@
+ARG ARCHTAG
+FROM openwebrx-soapysdr-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-airspy.sh /
+RUN /install-dependencies-airspy.sh
+RUN rm /install-dependencies-airspy.sh
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-base

@@ -0,0 +1,19 @@
+FROM alpine:3.10
+
+RUN apk add --no-cache bash
+
+RUN ln -s /usr/local/lib /usr/local/lib64
+
+ADD docker/scripts/direwolf-1.5.patch /
+ADD docker/scripts/install-dependencies.sh /
+RUN /install-dependencies.sh
+RUN rm /install-dependencies.sh
+
+ADD . /opt/openwebrx
+
+WORKDIR /opt/openwebrx
+
+VOLUME /etc/openwebrx
+
+ENTRYPOINT [ "/opt/openwebrx/docker/scripts/run.sh" ]
+EXPOSE 8073

docker/Dockerfiles/Dockerfile-full

@@ -0,0 +1,20 @@
+ARG ARCHTAG
+FROM openwebrx-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-*.sh /
+ADD docker/scripts/install-lib.*.patch /
+
+RUN /install-dependencies-rtlsdr.sh
+RUN /install-dependencies-hackrf.sh
+RUN /install-dependencies-soapysdr.sh
+RUN /install-dependencies-sdrplay.sh
+RUN /install-dependencies-airspy.sh
+RUN /install-dependencies-rtlsdr-soapy.sh
+RUN /install-dependencies-plutosdr.sh
+RUN /install-dependencies-limesdr.sh
+RUN /install-dependencies-soapyremote.sh
+RUN rm /install-dependencies-*.sh
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-hackrf

@@ -0,0 +1,7 @@
+ARG ARCHTAG
+FROM openwebrx-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-hackrf.sh /
+RUN /install-dependencies-hackrf.sh
+RUN rm /install-dependencies-hackrf.sh
+

docker/Dockerfiles/Dockerfile-limesdr

@@ -0,0 +1,10 @@
+ARG ARCHTAG
+FROM openwebrx-soapysdr-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-limesdr.sh /
+RUN /install-dependencies-limesdr.sh
+RUN rm /install-dependencies-limesdr.sh
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-plutosdr

@@ -0,0 +1,10 @@
+ARG ARCHTAG
+FROM openwebrx-soapysdr-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-plutosdr.sh /
+RUN /install-dependencies-plutosdr.sh
+RUN rm /install-dependencies-plutosdr.sh
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-rtlsdr

@@ -0,0 +1,10 @@
+ARG ARCHTAG
+FROM openwebrx-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-rtlsdr.sh /
+RUN /install-dependencies-rtlsdr.sh
+RUN rm /install-dependencies-rtlsdr.sh
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-rtlsdr-soapy

@@ -0,0 +1,10 @@
+ARG ARCHTAG
+FROM openwebrx-soapysdr-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-rtlsdr-soapy.sh /
+RUN /install-dependencies-rtlsdr-soapy.sh
+RUN rm /install-dependencies-rtlsdr-soapy.sh
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-sdrplay

@@ -0,0 +1,12 @@
+ARG ARCHTAG
+FROM openwebrx-soapysdr-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-sdrplay.sh /
+ADD docker/scripts/install-lib.*.patch /
+RUN /install-dependencies-sdrplay.sh
+RUN rm /install-dependencies-sdrplay.sh
+RUN rm /install-lib.*.patch
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-soapyremote

@@ -0,0 +1,10 @@
+ARG ARCHTAG
+FROM openwebrx-soapysdr-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-soapyremote.sh /
+RUN /install-dependencies-soapyremote.sh
+RUN rm /install-dependencies-soapyremote.sh
+
+ADD docker/scripts/install-connectors.sh /
+RUN /install-connectors.sh
+RUN rm /install-connectors.sh

docker/Dockerfiles/Dockerfile-soapysdr

@@ -0,0 +1,7 @@
+ARG ARCHTAG
+FROM openwebrx-base:$ARCHTAG
+
+ADD docker/scripts/install-dependencies-soapysdr.sh /
+RUN /install-dependencies-soapysdr.sh
+RUN rm /install-dependencies-soapysdr.sh
+

docker/env

@@ -0,0 +1,5 @@
+ARCH=$(uname -m)
+IMAGES="openwebrx-rtlsdr openwebrx-sdrplay openwebrx-hackrf openwebrx-airspy openwebrx-rtlsdr-soapy openwebrx-plutosdr openwebrx-limesdr openwebrx-soapyremote openwebrx-full openwebrx"
+ALL_ARCHS="x86_64 armv7l aarch64"
+TAG=${TAG:-"latest"}
+ARCHTAG="$TAG-$ARCH"

docker/scripts/direwolf-1.5.patch

@@ -0,0 +1,241 @@
+diff --git a/Makefile.linux b/Makefile.linux
+index 5010833..3f61de9 100644
+--- a/Makefile.linux
++++ b/Makefile.linux
+@@ -585,102 +585,102 @@ install : $(APPS) direwolf.conf tocalls.txt symbols-new.txt symbolsX.txt dw-icon
+ # Applications, not installed with package manager, normally go in /usr/local/bin.
+ # /usr/bin is used instead when installing from .DEB or .RPM package.
+ #
+-	$(INSTALL) -D --mode=755 direwolf $(DESTDIR)/bin/direwolf
+-	$(INSTALL) -D --mode=755 decode_aprs $(DESTDIR)/bin/decode_aprs
+-	$(INSTALL) -D --mode=755 text2tt $(DESTDIR)/bin/text2tt
+-	$(INSTALL) -D --mode=755 tt2text $(DESTDIR)/bin/tt2text
+-	$(INSTALL) -D --mode=755 ll2utm $(DESTDIR)/bin/ll2utm
+-	$(INSTALL) -D --mode=755 utm2ll $(DESTDIR)/bin/utm2ll
+-	$(INSTALL) -D --mode=755 aclients $(DESTDIR)/bin/aclients
+-	$(INSTALL) -D --mode=755 log2gpx $(DESTDIR)/bin/log2gpx
+-	$(INSTALL) -D --mode=755 gen_packets $(DESTDIR)/bin/gen_packets
+-	$(INSTALL) -D --mode=755 atest $(DESTDIR)/bin/atest
+-	$(INSTALL) -D --mode=755 ttcalc $(DESTDIR)/bin/ttcalc
+-	$(INSTALL) -D --mode=755 kissutil $(DESTDIR)/bin/kissutil
+-	$(INSTALL) -D --mode=755 cm108 $(DESTDIR)/bin/cm108
+-	$(INSTALL) -D --mode=755 dwespeak.sh $(DESTDIR)/bin/dwspeak.sh
++	$(INSTALL) -D -m=755 direwolf $(DESTDIR)/bin/direwolf
++	$(INSTALL) -D -m=755 decode_aprs $(DESTDIR)/bin/decode_aprs
++	$(INSTALL) -D -m=755 text2tt $(DESTDIR)/bin/text2tt
++	$(INSTALL) -D -m=755 tt2text $(DESTDIR)/bin/tt2text
++	$(INSTALL) -D -m=755 ll2utm $(DESTDIR)/bin/ll2utm
++	$(INSTALL) -D -m=755 utm2ll $(DESTDIR)/bin/utm2ll
++	$(INSTALL) -D -m=755 aclients $(DESTDIR)/bin/aclients
++	$(INSTALL) -D -m=755 log2gpx $(DESTDIR)/bin/log2gpx
++	$(INSTALL) -D -m=755 gen_packets $(DESTDIR)/bin/gen_packets
++	$(INSTALL) -D -m=755 atest $(DESTDIR)/bin/atest
++	$(INSTALL) -D -m=755 ttcalc $(DESTDIR)/bin/ttcalc
++	$(INSTALL) -D -m=755 kissutil $(DESTDIR)/bin/kissutil
++	$(INSTALL) -D -m=755 cm108 $(DESTDIR)/bin/cm108
++	$(INSTALL) -D -m=755 dwespeak.sh $(DESTDIR)/bin/dwspeak.sh
+ #
+ # Telemetry Toolkit executables.   Other .conf and .txt files will go into doc directory.
+ #
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-balloon.pl $(DESTDIR)/bin/telem-balloon.pl
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-bits.pl $(DESTDIR)/bin/telem-bits.pl
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-data.pl $(DESTDIR)/bin/telem-data.pl
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-data91.pl $(DESTDIR)/bin/telem-data91.pl
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-eqns.pl $(DESTDIR)/bin/telem-eqns.pl
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-parm.pl $(DESTDIR)/bin/telem-parm.pl
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-seq.sh $(DESTDIR)/bin/telem-seq.sh
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-unit.pl $(DESTDIR)/bin/telem-unit.pl
+-	$(INSTALL) -D --mode=755 telemetry-toolkit/telem-volts.py $(DESTDIR)/bin/telem-volts.py
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-balloon.pl $(DESTDIR)/bin/telem-balloon.pl
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-bits.pl $(DESTDIR)/bin/telem-bits.pl
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-data.pl $(DESTDIR)/bin/telem-data.pl
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-data91.pl $(DESTDIR)/bin/telem-data91.pl
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-eqns.pl $(DESTDIR)/bin/telem-eqns.pl
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-parm.pl $(DESTDIR)/bin/telem-parm.pl
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-seq.sh $(DESTDIR)/bin/telem-seq.sh
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-unit.pl $(DESTDIR)/bin/telem-unit.pl
++	$(INSTALL) -D -m=755 telemetry-toolkit/telem-volts.py $(DESTDIR)/bin/telem-volts.py
+ #
+ # Misc. data such as "tocall" to system mapping.
+ #
+-	$(INSTALL) -D --mode=644 tocalls.txt $(DESTDIR)/share/direwolf/tocalls.txt
+-	$(INSTALL) -D --mode=644 symbols-new.txt $(DESTDIR)/share/direwolf/symbols-new.txt
+-	$(INSTALL) -D --mode=644 symbolsX.txt $(DESTDIR)/share/direwolf/symbolsX.txt
++	$(INSTALL) -D -m=644 tocalls.txt $(DESTDIR)/share/direwolf/tocalls.txt
++	$(INSTALL) -D -m=644 symbols-new.txt $(DESTDIR)/share/direwolf/symbols-new.txt
++	$(INSTALL) -D -m=644 symbolsX.txt $(DESTDIR)/share/direwolf/symbolsX.txt
+ #
+ # For desktop icon.
+ #
+-	$(INSTALL) -D --mode=644 dw-icon.png $(DESTDIR)/share/direwolf/pixmaps/dw-icon.png
+-	$(INSTALL) -D --mode=644 direwolf.desktop $(DESTDIR)/share/applications/direwolf.desktop
++	$(INSTALL) -D -m=644 dw-icon.png $(DESTDIR)/share/direwolf/pixmaps/dw-icon.png
++	$(INSTALL) -D -m=644 direwolf.desktop $(DESTDIR)/share/applications/direwolf.desktop
+ #
+ # Documentation.  Various plain text files and PDF.
+ #
+-	$(INSTALL) -D --mode=644 CHANGES.md $(DESTDIR)/share/doc/direwolf/CHANGES.md
+-	$(INSTALL) -D --mode=644 LICENSE-dire-wolf.txt $(DESTDIR)/share/doc/direwolf/LICENSE-dire-wolf.txt
+-	$(INSTALL) -D --mode=644 LICENSE-other.txt $(DESTDIR)/share/doc/direwolf/LICENSE-other.txt
++	$(INSTALL) -D -m=644 CHANGES.md $(DESTDIR)/share/doc/direwolf/CHANGES.md
++	$(INSTALL) -D -m=644 LICENSE-dire-wolf.txt $(DESTDIR)/share/doc/direwolf/LICENSE-dire-wolf.txt
++	$(INSTALL) -D -m=644 LICENSE-other.txt $(DESTDIR)/share/doc/direwolf/LICENSE-other.txt
+ #
+ # ./README.md is an overview for the project main page.
+ # Maybe we could stick it in some other place.
+ # doc/README.md contains an overview of the PDF file contents and is more useful here.
+ #
+-	$(INSTALL) -D --mode=644 doc/README.md $(DESTDIR)/share/doc/direwolf/README.md
+-	$(INSTALL) -D --mode=644 doc/2400-4800-PSK-for-APRS-Packet-Radio.pdf $(DESTDIR)/share/doc/direwolf/2400-4800-PSK-for-APRS-Packet-Radio.pdf
+-	$(INSTALL) -D --mode=644 doc/A-Better-APRS-Packet-Demodulator-Part-1-1200-baud.pdf $(DESTDIR)/share/doc/direwolf/A-Better-APRS-Packet-Demodulator-Part-1-1200-baud.pdf
+-	$(INSTALL) -D --mode=644 doc/A-Better-APRS-Packet-Demodulator-Part-2-9600-baud.pdf $(DESTDIR)/share/doc/direwolf/A-Better-APRS-Packet-Demodulator-Part-2-9600-baud.pdf
+-	$(INSTALL) -D --mode=644 doc/A-Closer-Look-at-the-WA8LMF-TNC-Test-CD.pdf $(DESTDIR)/share/doc/direwolf/A-Closer-Look-at-the-WA8LMF-TNC-Test-CD.pdf
+-	$(INSTALL) -D --mode=644 doc/APRS-Telemetry-Toolkit.pdf $(DESTDIR)/share/doc/direwolf/APRS-Telemetry-Toolkit.pdf
+-	$(INSTALL) -D --mode=644 doc/APRStt-Implementation-Notes.pdf $(DESTDIR)/share/doc/direwolf/APRStt-Implementation-Notes.pdf
+-	$(INSTALL) -D --mode=644 doc/APRStt-interface-for-SARTrack.pdf $(DESTDIR)/share/doc/direwolf/APRStt-interface-for-SARTrack.pdf
+-	$(INSTALL) -D --mode=644 doc/APRStt-Listening-Example.pdf $(DESTDIR)/share/doc/direwolf/APRStt-Listening-Example.pdf
+-	$(INSTALL) -D --mode=644 doc/Bluetooth-KISS-TNC.pdf $(DESTDIR)/share/doc/direwolf/Bluetooth-KISS-TNC.pdf
+-	$(INSTALL) -D --mode=644 doc/Going-beyond-9600-baud.pdf $(DESTDIR)/share/doc/direwolf/Going-beyond-9600-baud.pdf
+-	$(INSTALL) -D --mode=644 doc/Raspberry-Pi-APRS.pdf $(DESTDIR)/share/doc/direwolf/Raspberry-Pi-APRS.pdf
+-	$(INSTALL) -D --mode=644 doc/Raspberry-Pi-APRS-Tracker.pdf $(DESTDIR)/share/doc/direwolf/Raspberry-Pi-APRS-Tracker.pdf
+-	$(INSTALL) -D --mode=644 doc/Raspberry-Pi-SDR-IGate.pdf $(DESTDIR)/share/doc/direwolf/Raspberry-Pi-SDR-IGate.pdf
+-	$(INSTALL) -D --mode=644 doc/Successful-APRS-IGate-Operation.pdf $(DESTDIR)/share/doc/direwolf/Successful-APRS-IGate-Operation.pdf
+-	$(INSTALL) -D --mode=644 doc/User-Guide.pdf $(DESTDIR)/share/doc/direwolf/User-Guide.pdf
+-	$(INSTALL) -D --mode=644 doc/WA8LMF-TNC-Test-CD-Results.pdf $(DESTDIR)/share/doc/direwolf/WA8LMF-TNC-Test-CD-Results.pdf
++	$(INSTALL) -D -m=644 doc/README.md $(DESTDIR)/share/doc/direwolf/README.md
++	$(INSTALL) -D -m=644 doc/2400-4800-PSK-for-APRS-Packet-Radio.pdf $(DESTDIR)/share/doc/direwolf/2400-4800-PSK-for-APRS-Packet-Radio.pdf
++	$(INSTALL) -D -m=644 doc/A-Better-APRS-Packet-Demodulator-Part-1-1200-baud.pdf $(DESTDIR)/share/doc/direwolf/A-Better-APRS-Packet-Demodulator-Part-1-1200-baud.pdf
++	$(INSTALL) -D -m=644 doc/A-Better-APRS-Packet-Demodulator-Part-2-9600-baud.pdf $(DESTDIR)/share/doc/direwolf/A-Better-APRS-Packet-Demodulator-Part-2-9600-baud.pdf
++	$(INSTALL) -D -m=644 doc/A-Closer-Look-at-the-WA8LMF-TNC-Test-CD.pdf $(DESTDIR)/share/doc/direwolf/A-Closer-Look-at-the-WA8LMF-TNC-Test-CD.pdf
++	$(INSTALL) -D -m=644 doc/APRS-Telemetry-Toolkit.pdf $(DESTDIR)/share/doc/direwolf/APRS-Telemetry-Toolkit.pdf
++	$(INSTALL) -D -m=644 doc/APRStt-Implementation-Notes.pdf $(DESTDIR)/share/doc/direwolf/APRStt-Implementation-Notes.pdf
++	$(INSTALL) -D -m=644 doc/APRStt-interface-for-SARTrack.pdf $(DESTDIR)/share/doc/direwolf/APRStt-interface-for-SARTrack.pdf
++	$(INSTALL) -D -m=644 doc/APRStt-Listening-Example.pdf $(DESTDIR)/share/doc/direwolf/APRStt-Listening-Example.pdf
++	$(INSTALL) -D -m=644 doc/Bluetooth-KISS-TNC.pdf $(DESTDIR)/share/doc/direwolf/Bluetooth-KISS-TNC.pdf
++	$(INSTALL) -D -m=644 doc/Going-beyond-9600-baud.pdf $(DESTDIR)/share/doc/direwolf/Going-beyond-9600-baud.pdf
++	$(INSTALL) -D -m=644 doc/Raspberry-Pi-APRS.pdf $(DESTDIR)/share/doc/direwolf/Raspberry-Pi-APRS.pdf
++	$(INSTALL) -D -m=644 doc/Raspberry-Pi-APRS-Tracker.pdf $(DESTDIR)/share/doc/direwolf/Raspberry-Pi-APRS-Tracker.pdf
++	$(INSTALL) -D -m=644 doc/Raspberry-Pi-SDR-IGate.pdf $(DESTDIR)/share/doc/direwolf/Raspberry-Pi-SDR-IGate.pdf
++	$(INSTALL) -D -m=644 doc/Successful-APRS-IGate-Operation.pdf $(DESTDIR)/share/doc/direwolf/Successful-APRS-IGate-Operation.pdf
++	$(INSTALL) -D -m=644 doc/User-Guide.pdf $(DESTDIR)/share/doc/direwolf/User-Guide.pdf
++	$(INSTALL) -D -m=644 doc/WA8LMF-TNC-Test-CD-Results.pdf $(DESTDIR)/share/doc/direwolf/WA8LMF-TNC-Test-CD-Results.pdf
+ #
+ # Various sample config and other files go into examples under the doc directory.
+ # When building from source, these can be put in home directory with "make install-conf".
+ # When installed from .DEB or .RPM package, the user will need to copy these to
+ # the home directory or other desired location.
+ #
+-	$(INSTALL) -D --mode=644 direwolf.conf $(DESTDIR)/share/doc/direwolf/examples/direwolf.conf
+-	$(INSTALL) -D --mode=755 dw-start.sh $(DESTDIR)/share/doc/direwolf/examples/dw-start.sh
+-	$(INSTALL) -D --mode=644 sdr.conf $(DESTDIR)/share/doc/direwolf/examples/sdr.conf
+-	$(INSTALL) -D --mode=644 telemetry-toolkit/telem-m0xer-3.txt $(DESTDIR)/share/doc/direwolf/examples/telem-m0xer-3.txt
+-	$(INSTALL) -D --mode=644 telemetry-toolkit/telem-balloon.conf $(DESTDIR)/share/doc/direwolf/examples/telem-balloon.conf
+-	$(INSTALL) -D --mode=644 telemetry-toolkit/telem-volts.conf $(DESTDIR)/share/doc/direwolf/examples/telem-volts.conf
++	$(INSTALL) -D -m=644 direwolf.conf $(DESTDIR)/share/doc/direwolf/examples/direwolf.conf
++	$(INSTALL) -D -m=755 dw-start.sh $(DESTDIR)/share/doc/direwolf/examples/dw-start.sh
++	$(INSTALL) -D -m=644 sdr.conf $(DESTDIR)/share/doc/direwolf/examples/sdr.conf
++	$(INSTALL) -D -m=644 telemetry-toolkit/telem-m0xer-3.txt $(DESTDIR)/share/doc/direwolf/examples/telem-m0xer-3.txt
++	$(INSTALL) -D -m=644 telemetry-toolkit/telem-balloon.conf $(DESTDIR)/share/doc/direwolf/examples/telem-balloon.conf
++	$(INSTALL) -D -m=644 telemetry-toolkit/telem-volts.conf $(DESTDIR)/share/doc/direwolf/examples/telem-volts.conf
+ #
+ # "man" pages
+ #
+-	$(INSTALL) -D --mode=644 man1/aclients.1 $(DESTDIR)/share/man/man1/aclients.1
+-	$(INSTALL) -D --mode=644 man1/atest.1 $(DESTDIR)/share/man/man1/atest.1
+-	$(INSTALL) -D --mode=644 man1/decode_aprs.1 $(DESTDIR)/share/man/man1/decode_aprs.1
+-	$(INSTALL) -D --mode=644 man1/direwolf.1 $(DESTDIR)/share/man/man1/direwolf.1
+-	$(INSTALL) -D --mode=644 man1/gen_packets.1 $(DESTDIR)/share/man/man1/gen_packets.1
+-	$(INSTALL) -D --mode=644 man1/kissutil.1 $(DESTDIR)/share/man/man1/kissutil.1
+-	$(INSTALL) -D --mode=644 man1/ll2utm.1 $(DESTDIR)/share/man/man1/ll2utm.1
+-	$(INSTALL) -D --mode=644 man1/log2gpx.1 $(DESTDIR)/share/man/man1/log2gpx.1
+-	$(INSTALL) -D --mode=644 man1/text2tt.1 $(DESTDIR)/share/man/man1/text2tt.1
+-	$(INSTALL) -D --mode=644 man1/tt2text.1 $(DESTDIR)/share/man/man1/tt2text.1
+-	$(INSTALL) -D --mode=644 man1/utm2ll.1 $(DESTDIR)/share/man/man1/utm2ll.1
++	$(INSTALL) -D -m=644 man1/aclients.1 $(DESTDIR)/share/man/man1/aclients.1
++	$(INSTALL) -D -m=644 man1/atest.1 $(DESTDIR)/share/man/man1/atest.1
++	$(INSTALL) -D -m=644 man1/decode_aprs.1 $(DESTDIR)/share/man/man1/decode_aprs.1
++	$(INSTALL) -D -m=644 man1/direwolf.1 $(DESTDIR)/share/man/man1/direwolf.1
++	$(INSTALL) -D -m=644 man1/gen_packets.1 $(DESTDIR)/share/man/man1/gen_packets.1
++	$(INSTALL) -D -m=644 man1/kissutil.1 $(DESTDIR)/share/man/man1/kissutil.1
++	$(INSTALL) -D -m=644 man1/ll2utm.1 $(DESTDIR)/share/man/man1/ll2utm.1
++	$(INSTALL) -D -m=644 man1/log2gpx.1 $(DESTDIR)/share/man/man1/log2gpx.1
++	$(INSTALL) -D -m=644 man1/text2tt.1 $(DESTDIR)/share/man/man1/text2tt.1
++	$(INSTALL) -D -m=644 man1/tt2text.1 $(DESTDIR)/share/man/man1/tt2text.1
++	$(INSTALL) -D -m=644 man1/utm2ll.1 $(DESTDIR)/share/man/man1/utm2ll.1
+ #
+ # Set group and mode of HID devices corresponding to C-Media USB Audio adapters.
+ # This will allow us to use the CM108/CM119 GPIO pins for PTT.
+ #
+-	$(INSTALL) -D --mode=644 99-direwolf-cmedia.rules /etc/udev/rules.d/99-direwolf-cmedia.rules
++	$(INSTALL) -D -m=644 99-direwolf-cmedia.rules /etc/udev/rules.d/99-direwolf-cmedia.rules
+ #
+ 	@echo " "
+ 	@echo "If this is your first install, not an upgrade, type this to put a copy"
+diff --git a/cdigipeater.c b/cdigipeater.c
+index 9c40d95..94112e9 100644
+--- a/cdigipeater.c
++++ b/cdigipeater.c
+@@ -49,7 +49,7 @@
+ #include <stdio.h>
+ #include <ctype.h>	/* for isdigit, isupper */
+ #include "regex.h"
+-#include <sys/unistd.h>
++#include <unistd.h>
+ 
+ #include "ax25_pad.h"
+ #include "cdigipeater.h"
+diff --git a/decode_aprs.c b/decode_aprs.c
+index 35c186b..a620cb3 100644
+--- a/decode_aprs.c
++++ b/decode_aprs.c
+@@ -3872,11 +3872,7 @@ static void decode_tocall (decode_aprs_t *A, char *dest)
+  * models before getting to the more generic APY.
+  */
+ 
+-#if defined(__WIN32__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__APPLE__)
+ 	    qsort (tocalls, num_tocalls, sizeof(struct tocalls_s), tocall_cmp);
+-#else
+-	    qsort (tocalls, num_tocalls, sizeof(struct tocalls_s), (__compar_fn_t)tocall_cmp);
+-#endif
+ 	  }
+ 	  else {
+ 	    if ( ! A->g_quiet) {
+diff --git a/digipeater.c b/digipeater.c
+index 36970d7..5195582 100644
+--- a/digipeater.c
++++ b/digipeater.c
+@@ -62,7 +62,7 @@
+ #include <stdio.h>
+ #include <ctype.h>	/* for isdigit, isupper */
+ #include "regex.h"
+-#include <sys/unistd.h>
++#include <unistd.h>
+ 
+ #include "ax25_pad.h"
+ #include "digipeater.h"
+diff --git a/direwolf.h b/direwolf.h
+index 514bcc5..52f5ae9 100644
+--- a/direwolf.h
++++ b/direwolf.h
+@@ -274,7 +274,7 @@ char *strtok_r(char *str, const char *delim, char **saveptr);
+ char *strcasestr(const char *S, const char *FIND);
+ 
+ 
+-#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__APPLE__)
++#if 1
+ 
+ // strlcpy and strlcat should be in string.h and the C library.
+ 
+diff --git a/multi_modem.c b/multi_modem.c
+index 5d96c79..24261b9 100644
+--- a/multi_modem.c
++++ b/multi_modem.c
+@@ -80,7 +80,7 @@
+ #include <string.h>
+ #include <assert.h>
+ #include <stdio.h>
+-#include <sys/unistd.h>
++#include <unistd.h>
+ 
+ #include "ax25_pad.h"
+ #include "textcolor.h"

docker/scripts/install-connectors.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -euxo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+BUILD_PACKAGES="git cmake make gcc g++ musl-dev"
+
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+
+git clone https://github.com/jketterl/owrx_connector.git
+cmakebuild owrx_connector 22a34fe649a0121a79262f54e99e9aa864b1536f
+
+apk del .build-deps

docker/scripts/install-dependencies-airspy.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+set -euxo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="libusb"
+BUILD_PACKAGES="git libusb-dev cmake make gcc musl-dev g++ linux-headers"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/airspy/airspyone_host.git
+cmakebuild airspyone_host bceca18f9e3a5f89cff78c4d949c71771d92dfd3
+
+git clone https://github.com/pothosware/SoapyAirspy.git
+cmakebuild SoapyAirspy 99756be5c3413a2d447baf70cb5a880662452655
+
+git clone https://github.com/airspy/airspyhf.git
+cmakebuild airspyhf 613852a2bb64af42690bf9be2201826af69a9475
+
+git clone https://github.com/pothosware/SoapyAirspyHF.git
+cmakebuild SoapyAirspyHF 54f5487dd96207540b2dd562ff9e718e0588770b
+
+apk del .build-deps

docker/scripts/install-dependencies-hackrf.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+set -euxo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="libusb fftw udev"
+BUILD_PACKAGES="git cmake make patch wget sudo gcc g++ libusb-dev fftw-dev"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/mossmann/hackrf.git
+cd hackrf
+git checkout 06eb9192cd348083f5f7de9c0da9ead276020011
+cmakebuild host
+cd ..
+rm -rf hackrf
+
+apk del .build-deps

docker/scripts/install-dependencies-limesdr.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -euo pipefail
+export MAKEFLAGS="-j4"
+
+cd /tmp
+
+STATIC_PACKAGES="libusb"
+BUILD_PACKAGES="git libusb-dev cmake make gcc musl-dev g++ linux-headers"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/myriadrf/LimeSuite.git
+cd LimeSuite
+git checkout 1c1c202f9a6ae4bb34068b6f3f576f7f8e74c7f1
+mkdir builddir
+cd builddir
+cmake .. -DENABLE_EXAMPLES=OFF -DENABLE_DESKTOP=OFF -DENABLE_LIME_UTIL=OFF -DENABLE_QUICKTEST=OFF -DENABLE_OCTAVE=OFF -DENABLE_GUI=OFF -DCMAKE_CXX_STANDARD_LIBRARIES="-latomic"
+make
+make install
+cd ../..
+rm -rf LimeSuite
+
+apk del .build-deps

docker/scripts/install-dependencies-plutosdr.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake .. ${3:-}
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="libusb libxml2"
+BUILD_PACKAGES="git libusb-dev cmake make gcc musl-dev g++ linux-headers libxml2-dev flex bison"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/analogdevicesinc/libiio.git
+cmakebuild libiio 4e22517c60f3c5e691320871956edede15459ae3 -DCMAKE_INSTALL_PREFIX=/usr/local
+
+git clone https://github.com/analogdevicesinc/libad9361-iio.git
+cmakebuild libad9361-iio 8ac95f3325c18c2e34cd9cfd49c7b63d69a0a9d2
+
+git clone https://github.com/pothosware/SoapyPlutoSDR.git
+cmakebuild SoapyPlutoSDR e28e4f5c68c16a38c0b50b9606035f3267a135c8
+
+apk del .build-deps

docker/scripts/install-dependencies-rtlsdr-soapy.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -euo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="libusb"
+BUILD_PACKAGES="git libusb-dev cmake make gcc musl-dev g++ linux-headers"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/osmocom/rtl-sdr.git
+cmakebuild rtl-sdr b5af355b1d833b3c898a61cf1e072b59b0ea3440
+
+git clone https://github.com/pothosware/SoapyRTLSDR.git
+cmakebuild SoapyRTLSDR 5c5d9503337c6d1c34b496dec6f908aab9478b0f
+
+apk del .build-deps

docker/scripts/install-dependencies-rtlsdr.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -euxo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="libusb"
+BUILD_PACKAGES="git libusb-dev cmake make gcc musl-dev g++ linux-headers"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/osmocom/rtl-sdr.git
+cmakebuild rtl-sdr b5af355b1d833b3c898a61cf1e072b59b0ea3440
+
+apk del .build-deps

docker/scripts/install-dependencies-sdrplay.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+set -euxo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="libusb udev"
+BUILD_PACKAGES="git cmake make patch wget sudo gcc g++ libusb-dev"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+ARCH=$(uname -m)
+
+case $ARCH in
+  x86_64)
+    BINARY=SDRplay_RSP_API-Linux-2.13.1.run
+    ;;
+  armv*)
+    BINARY=SDRplay_RSP_API-RPi-2.13.1.run
+    ;;
+  aarch64)
+    BINARY=SDRplay_RSP_API-ARM64-2.13.1.run
+    ;;
+esac
+
+wget https://www.sdrplay.com/software/$BINARY
+sh $BINARY --noexec --target sdrplay
+patch --verbose -Np0 < /install-lib.$ARCH.patch
+
+cd sdrplay
+./install_lib.sh
+cd ..
+rm -rf sdrplay
+rm $BINARY
+
+git clone https://github.com/pothosware/SoapySDRPlay.git
+cmakebuild SoapySDRPlay 14ec39e4ff0dab7ae7fdf1afbbd2d28b49b0ffae
+
+apk del .build-deps

docker/scripts/install-dependencies-soapyremote.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -euo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="avahi"
+BUILD_PACKAGES="git cmake make gcc musl-dev g++ linux-headers avahi-dev"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/pothosware/SoapyRemote.git
+cmakebuild SoapyRemote 6d9bd820da470cfe7b27b2e6946af93cfece448f
+
+apk del .build-deps

docker/scripts/install-dependencies-soapysdr.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -euxo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="udev"
+BUILD_PACKAGES="git cmake make patch wget sudo gcc g++"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://github.com/pothosware/SoapySDR
+cmakebuild SoapySDR f722f9ce5b629c3c44401a9bf628b3f8e67a9695
+
+apk del .build-deps

docker/scripts/install-dependencies.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+set -euxo pipefail
+export MAKEFLAGS="-j4"
+
+function cmakebuild() {
+  cd $1
+  if [[ ! -z "${2:-}" ]]; then
+    git checkout $2
+  fi
+  mkdir build
+  cd build
+  cmake ..
+  make
+  make install
+  cd ../..
+  rm -rf $1
+}
+
+cd /tmp
+
+STATIC_PACKAGES="sox fftw python3 netcat-openbsd libsndfile lapack libusb qt5-qtbase qt5-qtmultimedia qt5-qtserialport qt5-qttools alsa-lib"
+BUILD_PACKAGES="git libsndfile-dev fftw-dev cmake ca-certificates make gcc musl-dev g++ lapack-dev linux-headers autoconf automake libtool texinfo gfortran libusb-dev qt5-qtbase-dev qt5-qtmultimedia-dev qt5-qtserialport-dev qt5-qttools-dev asciidoctor asciidoc alsa-lib-dev linux-headers"
+
+apk add --no-cache $STATIC_PACKAGES
+apk add --no-cache --virtual .build-deps $BUILD_PACKAGES
+
+git clone https://git.code.sf.net/p/itpp/git itpp
+cmakebuild itpp bb5c7e95f40e8fdb5c3f3d01a84bcbaf76f3676d
+
+git clone https://github.com/jketterl/csdr.git
+cd csdr
+git checkout fe0b042d9cdc2605a817ca7fdd3a23c48bf07563
+make
+make install
+cd ..
+rm -rf csdr
+
+git clone https://github.com/szechyjs/mbelib.git
+cmakebuild mbelib 9a04ed5c78176a9965f3d43f7aa1b1f5330e771f
+
+git clone https://github.com/jketterl/digiham.git
+cmakebuild digiham 95206501be89b38d0267bf6c29a6898e7c65656f
+
+git clone https://github.com/f4exb/dsd.git
+cmakebuild dsd f6939f9edbbc6f66261833616391a4e59cb2b3d7
+
+WSJT_DIR=wsjtx-2.1.2
+WSJT_TGZ=${WSJT_DIR}.tgz
+wget http://physics.princeton.edu/pulsar/k1jt/$WSJT_TGZ
+tar xvfz $WSJT_TGZ
+cmakebuild $WSJT_DIR
+
+git clone --depth 1 -b 1.5 https://github.com/wb2osz/direwolf.git
+cd direwolf
+patch -Np1 < /direwolf-1.5.patch
+make
+make install
+cd ..
+rm -rf direwolf
+
+git clone https://github.com/hessu/aprs-symbols /opt/aprs-symbols
+pushd /opt/aprs-symbols
+git checkout 5c2abe2658ee4d2563f3c73b90c6f59124839802
+popd
+
+apk del .build-deps

docker/scripts/install-lib.aarch64.patch

@@ -0,0 +1,40 @@
+--- sdrplay/install_lib.sh	2018-06-21 18:47:08.000000000 +0000
++++ sdrplay/install_lib_patched.sh	2019-12-15 01:49:49.477386963 +0000
+@@ -3,19 +3,7 @@
+ 
+ echo "Installing SDRplay RSP API library 2.13..."
+ 
+-more sdrplay_license.txt
+-
+-while true; do
+-    echo "Press y and RETURN to accept the license agreement and continue with"
+-    read -p "the installation, or press n and RETURN to exit the installer [y/n] " yn
+-    case $yn in
+-        [Yy]* ) break;;
+-        [Nn]* ) exit;;
+-        * ) echo "Please answer y or n";;
+-    esac
+-done
+-
+-export ARCH=`arch`
++export ARCH=`uname -m`
+ export VERS="2.13"
+ 
+ echo "Architecture: ${ARCH}"
+@@ -63,16 +51,6 @@
+     echo " "
+     exit 1
+ fi
+-
+-if /sbin/ldconfig -p | /bin/fgrep -q libusb-1.0; then
+-    echo "Libusb found, continuing..."
+-else
+-    echo " "
+-    echo "ERROR: Libusb cannot be found. Please install libusb and then run"
+-    echo "the installer again. Libusb can be installed from http://libusb.info"
+-    echo " "
+-    exit 1
+-fi
+ 
+ sudo ldconfig
+ 

docker/scripts/install-lib.armv7l.patch

@@ -0,0 +1,40 @@
+--- sdrplay/install_lib.sh
++++ sdrplay/install_lib_patched.sh
+@@ -3,19 +3,7 @@
+ 
+ echo "Installing SDRplay RSP API library 2.13..."
+ 
+-more sdrplay_license.txt
+-
+-while true; do
+-    echo "Press y and RETURN to accept the license agreement and continue with"
+-    read -p "the installation, or press n and RETURN to exit the installer [y/n] " yn
+-    case $yn in
+-        [Yy]* ) break;;
+-        [Nn]* ) exit;;
+-        * ) echo "Please answer y or n";;
+-    esac
+-done
+-
+-export ARCH=`arch`
++export ARCH=`uname -m`
+ export VERS="2.13"
+ 
+ echo "Architecture: ${ARCH}"
+@@ -60,16 +48,6 @@
+     echo "ERROR: udev rules directory not found, add udev support and run the"
+     echo "installer again. udev support can be added by running..."
+     echo "sudo apt-get install libudev-dev"
+-    echo " "
+-    exit 1
+-fi
+-
+-if /sbin/ldconfig -p | /bin/fgrep -q libusb-1.0; then
+-    echo "Libusb found, continuing..."
+-else
+-    echo " "
+-    echo "ERROR: Libusb cannot be found. Please install libusb and then run"
+-    echo "the installer again. Libusb can be installed from http://libusb.info"
+     echo " "
+     exit 1
+ fi

docker/scripts/install-lib.x86_64.patch

@@ -0,0 +1,40 @@
+--- sdrplay/install_lib.sh	2018-06-21 01:57:02.000000000 +0200
++++ sdrplay/install_lib_patched.sh	2019-01-22 17:21:06.445804136 +0100
+@@ -2,19 +2,7 @@
+ 
+ echo "Installing SDRplay RSP API library 2.13..."
+ 
+-more sdrplay_license.txt
+-
+-while true; do
+-    echo "Press y and RETURN to accept the license agreement and continue with"
+-    read -p "the installation, or press n and RETURN to exit the installer [y/n] " yn
+-    case $yn in
+-        [Yy]* ) break;;
+-        [Nn]* ) exit;;
+-        * ) echo "Please answer y or n";;
+-    esac
+-done
+-
+-export ARCH=`arch`
++export ARCH=`uname -m`
+ export VERS="2.13"
+ 
+ echo "Architecture: ${ARCH}"
+@@ -60,16 +48,6 @@
+ 	echo " "
+ 	exit 1
+ fi
+-
+-if /sbin/ldconfig -p | /bin/fgrep -q libusb-1.0; then
+-	echo "Libusb found, continuing..."
+-else
+-	echo " "
+-	echo "ERROR: Libusb cannot be found. Please install libusb and then run"
+-	echo "the installer again. Libusb can be installed from http://libusb.info"
+-	echo " "
+-	exit 1
+-fi
+ 
+ #echo "Installing SoapySDRPlay..."
+ 

docker/scripts/run.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+set -euo pipefail
+
+mkdir -p /etc/openwebrx/
+mkdir -p /tmp/openwebrx/
+if [[ ! -f /etc/openwebrx/config_webrx.py ]] ; then
+  sed 's/temporary_directory = "\/tmp"/temporary_directory = "\/tmp\/openwebrx"/' < "/opt/openwebrx/config_webrx.py" > "/etc/openwebrx/config_webrx.py"
+fi
+if [[ ! -f /etc/openwebrx/bands.json ]] ; then
+  cp bands.json /etc/openwebrx/
+fi
+if [[ ! -f /etc/openwebrx/bookmarks.json ]] ; then
+  cp bookmarks.json /etc/openwebrx/
+fi
+
+
+_term() {
+  echo "Caught signal!" 
+  kill -TERM "$child" 2>/dev/null
+}
+    
+trap _term SIGTERM SIGINT
+
+python3 openwebrx.py $@ &
+
+child=$! 
+wait "$child"
+    

htdocs/css/features.css

@@ -0,0 +1,12 @@
+@import url("openwebrx-header.css");
+@import url("openwebrx-globals.css");
+
+/* expandable photo not implemented on features page */
+#webrx-top-photo-clip {
+    max-height: 67px;
+}
+
+h1 {
+    text-align: center;
+    margin: 50px 0;
+}

htdocs/css/map.css

@@ -0,0 +1,57 @@
+@import url("openwebrx-header.css");
+@import url("openwebrx-globals.css");
+
+/* expandable photo not implemented on map page */
+#webrx-top-photo-clip {
+    max-height: 67px;
+}
+
+body {
+    display: flex;
+    flex-direction: column;
+}
+
+#webrx-top-container {
+    flex: none;
+}
+
+.openwebrx-map {
+    flex: 1 1 auto;
+}
+
+h3 {
+    margin: 10px 0;
+    text-align: center;
+}
+
+ul {
+    margin-block-start: 5px;
+    margin-block-end: 5px;
+    padding-inline-start: 25px;
+}
+
+.openwebrx-map-legend {
+    background-color: #fff;
+    padding: 10px;
+    margin: 10px;
+}
+
+.openwebrx-map-legend ul {
+    list-style-type: none;
+    padding: 0;
+}
+
+.openwebrx-map-legend li.square .illustration {
+    display: inline-block;
+    width: 30px;
+    height: 20px;
+    margin-right: 10px;
+    border-width: 2px;
+    border-style: solid;
+}
+
+.openwebrx-map-legend select {
+    background-color: #FFF;
+    border-color: #DDD;
+    padding: 5px;
+}

htdocs/css/openwebrx-globals.css

@@ -0,0 +1,8 @@
+html, body
+{
+    margin: 0;
+    padding: 0;
+    height: 100%;
+    font-family: "DejaVu Sans", Verdana, Geneva, sans-serif;
+}
+

htdocs/css/openwebrx-header.css

@@ -0,0 +1,195 @@
+#webrx-top-container
+{
+    position: relative;
+    z-index:1000;
+}
+
+#webrx-top-photo
+{
+    width: 100%;
+    display: block;
+}
+
+#webrx-top-photo-clip
+{
+    min-height: 67px;
+    max-height: 350px;
+    overflow: hidden;
+    position: relative;
+}
+
+.webrx-top-bar-parts
+{
+    height:67px;
+}
+
+#webrx-top-bar
+{
+    background: rgba(128, 128, 128, 0.15);
+    margin:0;
+    padding:0;
+    user-select: none;
+    -webkit-touch-callout: none;
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    overflow: hidden;
+    position: absolute;
+    left: 0;
+    top: 0;
+    right: 0;
+}
+
+#webrx-top-logo
+{
+    padding: 12px;
+    float: left;
+}
+
+#webrx-ha5kfu-top-logo
+{
+    float: right;
+    padding: 15px;
+}
+
+#webrx-rx-avatar
+{
+    background-color: rgba(154, 154, 154, .5);
+    border-radius: 7px;
+    float: left;
+    margin: 7px;
+
+    cursor:pointer;
+    width: 46px;
+    height: 46px;
+    padding: 4px;
+    border-radius: 8px;
+    box-sizing: content-box;
+}
+
+#webrx-rx-texts {
+    float: left;
+    padding: 10px;
+}
+
+#webrx-rx-texts div {
+    padding: 3px;
+}
+
+#webrx-rx-title
+{
+    white-space:nowrap;
+    overflow: hidden;
+    cursor:pointer;
+    font-family: "DejaVu Sans", Verdana, Geneva, sans-serif;
+    color: #909090;
+    font-size: 11pt;
+    font-weight: bold;
+}
+
+#webrx-rx-desc
+{
+    white-space:nowrap;
+    overflow: hidden;
+    cursor:pointer;
+    font-size: 10pt;
+    color: #909090;
+}
+
+#webrx-rx-desc a
+{
+    color: #909090;
+}
+
+#openwebrx-rx-details-arrow
+{
+    cursor:pointer;
+    position: absolute;
+    left: 470px;
+    top: 51px;
+}
+
+#openwebrx-rx-details-arrow a
+{
+    margin: 0;
+    padding: 0;
+}
+
+#openwebrx-rx-details-arrow-down
+{
+    display:none;
+}
+
+#openwebrx-main-buttons ul
+{
+    display: table;
+    margin:0;
+}
+
+
+#openwebrx-main-buttons ul li
+{
+    display: table-cell;
+    padding-left: 5px;
+    padding-right: 5px;
+    cursor:pointer;
+}
+
+#openwebrx-main-buttons a {
+    color: inherit;
+    text-decoration: inherit;
+}
+
+#openwebrx-main-buttons li:hover
+{
+    background-color: rgba(255, 255, 255, 0.3);
+}
+
+#openwebrx-main-buttons li:active
+{
+    background-color: rgba(255, 255, 255, 0.55);
+}
+
+
+#openwebrx-main-buttons
+{
+    float: right;
+    margin:0;
+    color: white;
+    text-shadow: 0px 0px 4px #000000;
+    text-align: center;
+    font-size: 9pt;
+    font-weight: bold;
+}
+
+#webrx-rx-photo-title
+{
+    position: absolute;
+    left: 15px;
+    top: 78px;
+    color: White;
+    font-size: 16pt;
+    text-shadow: 1px 1px 4px #444;
+    opacity: 1;
+}
+
+#webrx-rx-photo-desc
+{
+    position: absolute;
+    left: 15px;
+    top: 109px;
+    color: White;
+    font-size: 10pt;
+    font-weight: bold;
+    text-shadow: 0px 0px 6px #444;
+    opacity: 1;
+    line-height: 1.5em;
+}
+
+#webrx-rx-photo-desc a
+{
+    color: #5ca8ff;
+    text-shadow: none;
+}
+

htdocs/features.html

@@ -0,0 +1,22 @@
+<HTML><HEAD>
+    <TITLE>OpenWebRX Feature report</TITLE>
+    <link rel="shortcut icon" type="image/x-icon" href="static/favicon.ico" />
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+    <link rel="stylesheet" href="static/css/features.css">
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/showdown/1.9.0/showdown.min.js"></script>
+    <script src="static/lib/jquery-3.2.1.min.js"></script>
+    <script src="static/features.js"></script>
+</HEAD><BODY>
+    ${header}
+    <div class="container">
+        <h1>OpenWebRX Feature Report</h1>
+        <table class="features table">
+            <tr>
+                <th>Feature</th>
+                <th>Requirement</th>
+                <th>Description</th>
+                <th>Available</th>
+            </tr>
+        </table>
+    </div>
+</BODY></HTML>

htdocs/features.js

@@ -0,0 +1,24 @@
+$(function(){
+    var converter = new showdown.Converter();
+    $.ajax('api/features').done(function(data){
+        var $table = $('table.features');
+        $.each(data, function(name, details) {
+            var requirements = $.map(details.requirements, function(r, name){
+                return '<tr>' +
+                           '<td></td>' +
+                           '<td>' + name + '</td>' +
+                           '<td>' + converter.makeHtml(r.description) + '</td>' +
+                           '<td>' + (r.available ? 'YES' : 'NO') + '</td>' +
+                       '</tr>';
+            });
+            $table.append(
+                '<tr>' +
+                    '<td colspan=2>' + name + '</td>' +
+                    '<td>' + converter.makeHtml(details.description) + '</td>' +
+                    '<td>' + (details.available ? 'YES' : 'NO') + '</td>' +
+                '</tr>' +
+                requirements.join("")
+            );
+        })
+    });
+});

htdocs/gfx/font-expletus-sans/OFL.txt

@@ -1,93 +0,0 @@
-Copyright (c) 2011, Jasper de Waard (jasper@designtown.nl),
-with Reserved Font Name "Expletus Sans".
-This Font Software is licensed under the SIL Open Font License, Version 1.1.
-This license is copied below, and is also available with a FAQ at:
-http://scripts.sil.org/OFL
-
-
------------------------------------------------------------
-SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
------------------------------------------------------------
-
-PREAMBLE
-The goals of the Open Font License (OFL) are to stimulate worldwide
-development of collaborative font projects, to support the font creation
-efforts of academic and linguistic communities, and to provide a free and
-open framework in which fonts may be shared and improved in partnership
-with others.
-
-The OFL allows the licensed fonts to be used, studied, modified and
-redistributed freely as long as they are not sold by themselves. The
-fonts, including any derivative works, can be bundled, embedded, 
-redistributed and/or sold with any software provided that any reserved
-names are not used by derivative works. The fonts and derivatives,
-however, cannot be released under any other type of license. The
-requirement for fonts to remain under this license does not apply
-to any document created using the fonts or their derivatives.
-
-DEFINITIONS
-"Font Software" refers to the set of files released by the Copyright
-Holder(s) under this license and clearly marked as such. This may
-include source files, build scripts and documentation.
-
-"Reserved Font Name" refers to any names specified as such after the
-copyright statement(s).
-
-"Original Version" refers to the collection of Font Software components as
-distributed by the Copyright Holder(s).
-
-"Modified Version" refers to any derivative made by adding to, deleting,
-or substituting -- in part or in whole -- any of the components of the
-Original Version, by changing formats or by porting the Font Software to a
-new environment.
-
-"Author" refers to any designer, engineer, programmer, technical
-writer or other person who contributed to the Font Software.
-
-PERMISSION & CONDITIONS
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of the Font Software, to use, study, copy, merge, embed, modify,
-redistribute, and sell modified and unmodified copies of the Font
-Software, subject to the following conditions:
-
-1) Neither the Font Software nor any of its individual components,
-in Original or Modified Versions, may be sold by itself.
-
-2) Original or Modified Versions of the Font Software may be bundled,
-redistributed and/or sold with any software, provided that each copy
-contains the above copyright notice and this license. These can be
-included either as stand-alone text files, human-readable headers or
-in the appropriate machine-readable metadata fields within text or
-binary files as long as those fields can be easily viewed by the user.
-
-3) No Modified Version of the Font Software may use the Reserved Font
-Name(s) unless explicit written permission is granted by the corresponding
-Copyright Holder. This restriction only applies to the primary font name as
-presented to the users.
-
-4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
-Software shall not be used to promote, endorse or advertise any
-Modified Version, except to acknowledge the contribution(s) of the
-Copyright Holder(s) and the Author(s) or with their explicit written
-permission.
-
-5) The Font Software, modified or unmodified, in part or in whole,
-must be distributed entirely under this license, and must not be
-distributed under any other license. The requirement for fonts to
-remain under this license does not apply to any document created
-using the Font Software.
-
-TERMINATION
-This license becomes null and void if any of the above conditions are
-not met.
-
-DISCLAIMER
-THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
-DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
-OTHER DEALINGS IN THE FONT SOFTWARE.

htdocs/gfx/google_maps_pin.svg

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="5.6444445mm"
+   height="9.847393mm"
+   viewBox="0 0 20 34.892337"
+   id="svg3455"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="Map Pin.svg">
+  <defs
+     id="defs3457" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="12.181359"
+     inkscape:cx="8.4346812"
+     inkscape:cy="14.715224"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     inkscape:window-width="1024"
+     inkscape:window-height="705"
+     inkscape:window-x="-4"
+     inkscape:window-y="-4"
+     inkscape:window-maximized="1"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0" />
+  <metadata
+     id="metadata3460">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-814.59595,-274.38623)">
+    <g
+       id="g3477"
+       transform="matrix(1.1855854,0,0,1.1855854,-151.17715,-57.3976)">
+      <path
+         sodipodi:nodetypes="sscccccsscs"
+         inkscape:connector-curvature="0"
+         id="path4337-3"
+         d="m 817.11249,282.97118 c -1.25816,1.34277 -2.04623,3.29881 -2.01563,5.13867 0.0639,3.84476 1.79693,5.3002 4.56836,10.59179 0.99832,2.32851 2.04027,4.79237 3.03125,8.87305 0.13772,0.60193 0.27203,1.16104 0.33416,1.20948 0.0621,0.0485 0.19644,-0.51262 0.33416,-1.11455 0.99098,-4.08068 2.03293,-6.54258 3.03125,-8.87109 2.77143,-5.29159 4.50444,-6.74704 4.56836,-10.5918 0.0306,-1.83986 -0.75942,-3.79785 -2.01758,-5.14062 -1.43724,-1.53389 -3.60504,-2.66908 -5.91619,-2.71655 -2.31115,-0.0475 -4.4809,1.08773 -5.91814,2.62162 z"
+         style="display:inline;opacity:1;fill:#ff4646;fill-opacity:1;stroke:#d73534;stroke-width:1;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+      <circle
+         r="3.0355"
+         cy="288.25278"
+         cx="823.03064"
+         id="path3049"
+         style="display:inline;opacity:1;fill:#590000;fill-opacity:1;stroke-width:0" />
+    </g>
+  </g>
+</svg>

htdocs/include/header.include.html

@@ -0,0 +1,28 @@
+<div id="webrx-top-container">
+    <div id="webrx-top-photo-clip">
+        <img src="static/gfx/openwebrx-top-photo.jpg" id="webrx-top-photo"/>
+        <div id="webrx-top-bar" class="webrx-top-bar-parts">
+            <a href="https://sdr.hu/openwebrx" target="_blank"><img src="static/gfx/openwebrx-top-logo.png" id="webrx-top-logo" /></a>
+            <a href="http://ha5kfu.sch.bme.hu/" target="_blank"><img src="static/gfx/openwebrx-ha5kfu-top-logo.png" id="webrx-ha5kfu-top-logo" /></a>
+            <img id="webrx-rx-avatar" class="openwebrx-photo-trigger" src="static/gfx/openwebrx-avatar.png"/>
+            <div id="webrx-rx-texts">
+                <div id="webrx-rx-title" class="openwebrx-photo-trigger"></div>
+                <div id="webrx-rx-desc" class="openwebrx-photo-trigger"></div>
+            </div>
+            <div id="openwebrx-rx-details-arrow">
+                <a id="openwebrx-rx-details-arrow-up" class="openwebrx-photo-trigger"><img src="static/gfx/openwebrx-rx-details-arrow-up.png" /></a>
+                <a id="openwebrx-rx-details-arrow-down" class="openwebrx-photo-trigger"><img src="static/gfx/openwebrx-rx-details-arrow.png" /></a>
+            </div>
+            <section id="openwebrx-main-buttons">
+                <ul>
+                    <li data-toggle-panel="openwebrx-panel-status"><img src="static/gfx/openwebrx-panel-status.png" /><br/>Status</li>
+                    <li data-toggle-panel="openwebrx-panel-log"><img  src="static/gfx/openwebrx-panel-log.png" /><br/>Log</li>
+                    <li data-toggle-panel="openwebrx-panel-receiver"><img src="static/gfx/openwebrx-panel-receiver.png" /><br/>Receiver</li>
+                    <li><a href="map" target="_blank"><img src="static/gfx/openwebrx-panel-map.png" /><br/>Map</a></li>
+                </ul>
+            </section>
+        </div>
+        <div id="webrx-rx-photo-title"></div>
+        <div id="webrx-rx-photo-desc"></div>
+    </div>
+</div>

htdocs/index.html

@@ -0,0 +1,268 @@
+<!DOCTYPE HTML>
+<!--
+
+    This file is part of OpenWebRX,
+    an open-source SDR receiver software with a web UI.
+    Copyright (c) 2013-2015 by Andras Retzler <randras@sdr.hu>
+    Copyright (c) 2019-2020 by Jakob Ketterl <dd5jfk@darc.de>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation, either version 3 of the
+    License, or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+-->
+<html>
+    <head>
+        <title>OpenWebRX | Open Source SDR Web App for Everyone!</title>
+        <link rel="shortcut icon" type="image/x-icon" href="static/favicon.ico" />
+        <script src="static/openwebrx.js"></script>
+        <script src="static/lib/jquery-3.2.1.min.js"></script>
+        <script src="static/lib/jquery.nanoscroller.js"></script>
+        <script src="static/lib/BookmarkBar.js"></script>
+        <script src="static/lib/AudioEngine.js"></script>
+        <script src="static/lib/ProgressBar.js"></script>
+        <script src="static/lib/Measurement.js"></script>
+        <script src="static/lib/FrequencyDisplay.js"></script>
+        <link rel="stylesheet" type="text/css" href="static/lib/nanoscroller.css" />
+        <link rel="stylesheet" type="text/css" href="static/css/openwebrx.css" />
+        <meta charset="utf-8">
+    </head>
+    <body onload="openwebrx_init();">
+<div id="webrx-page-container">
+    ${header}
+    <div id="openwebrx-frequency-container">
+        <div id="openwebrx-bookmarks-container"></div>
+        <div id="openwebrx-scale-container">
+            <canvas id="openwebrx-scale-canvas" width="0" height="0"></canvas>
+        </div>
+    </div>
+    <div id="webrx-canvas-background">
+        <div id="webrx-canvas-container">
+            <!-- add canvas here by javascript -->
+        </div>
+    </div>
+    <div id="openwebrx-panels-container">
+        <div id="openwebrx-panels-container-left">
+            <div class="openwebrx-panel" id="openwebrx-panel-digimodes" style="display: none; width: 619px;" data-panel-name="digimodes">
+                <div id="openwebrx-digimode-canvas-container">
+                    <div id="openwebrx-digimode-select-channel"></div>
+                </div>
+                <div id="openwebrx-digimode-content-container">
+                    <div class="gradient"></div>
+                    <div id="openwebrx-digimode-content">
+                        <span id="openwebrx-cursor-blink"></span>
+                    </div>
+                </div>
+            </div>
+            <table class="openwebrx-panel" id="openwebrx-panel-wsjt-message" style="display: none; width: 619px;" data-panel-name="wsjt-message">
+                <thead><tr>
+                    <th>UTC</th>
+                    <th class="decimal">dB</th>
+                    <th class="decimal">DT</th>
+                    <th class="decimal freq">Freq</th>
+                    <th class="message">Message</th>
+                </tr></thead>
+                <tbody></tbody>
+            </table>
+            <table class="openwebrx-panel" id="openwebrx-panel-packet-message" style="display: none; width: 619px;" data-panel-name="aprs-message">
+                <thead><tr>
+                    <th>UTC</th>
+                    <th class="callsign">Callsign</th>
+                    <th class="coord">Coord</th>
+                    <th class="message">Comment</th>
+                </tr></thead>
+                <tbody></tbody>
+            </table>
+            <table class="openwebrx-panel" id="openwebrx-panel-pocsag-message" style="display: none; width: 619px;" data-panel-name="pocsag-message">
+                <thead><tr>
+                    <th class="address">Address</th>
+                    <th class="message">Message</th>
+                </tr></thead>
+                <tbody></tbody>
+            </table>
+            <div class="openwebrx-panel openwebrx-meta-panel" id="openwebrx-panel-metadata-ysf" style="display: none;" data-panel-name="metadata-ysf">
+                <div class="openwebrx-meta-frame">
+                    <div class="openwebrx-meta-slot">
+                        <div class="openwebrx-ysf-mode openwebrx-meta-autoclear"></div>
+                        <div class="openwebrx-meta-user-image"></div>
+                        <div class="openwebrx-ysf-source openwebrx-meta-autoclear"></div>
+                        <div class="openwebrx-ysf-up openwebrx-meta-autoclear"></div>
+                        <div class="openwebrx-ysf-down openwebrx-meta-autoclear"></div>
+                    </div>
+                </div>
+            </div>
+            <div class="openwebrx-panel openwebrx-meta-panel" id="openwebrx-panel-metadata-dmr" style="display: none;" data-panel-name="metadata-dmr">
+                <div class="openwebrx-meta-frame">
+                    <div class="openwebrx-meta-slot openwebrx-dmr-timeslot-panel">
+                        <div class="openwebrx-dmr-slot">Timeslot 1</div>
+                        <div class="openwebrx-meta-user-image"></div>
+                        <div class="openwebrx-dmr-id openwebrx-meta-autoclear"></div>
+                        <div class="openwebrx-dmr-name openwebrx-meta-autoclear"></div>
+                        <div class="openwebrx-dmr-target openwebrx-meta-autoclear"></div>
+                    </div>
+                    <div class="openwebrx-meta-slot openwebrx-dmr-timeslot-panel">
+                        <div class="openwebrx-dmr-slot">Timeslot 2</div>
+                        <div class="openwebrx-meta-user-image"></div>
+                        <div class="openwebrx-dmr-id openwebrx-meta-autoclear"></div>
+                        <div class="openwebrx-dmr-name openwebrx-meta-autoclear"></div>
+                        <div class="openwebrx-dmr-target openwebrx-meta-autoclear"></div>
+                    </div>
+                </div>
+            </div>
+            <div class="openwebrx-panel" id="openwebrx-panel-log" data-panel-name="debug" style="width: 619px;">
+                <div class="openwebrx-panel-inner nano" id="openwebrx-log-scroll">
+                    <div class="nano-content">
+                        <div id="openwebrx-client-log-title">OpenWebRX client log</div>
+                        <div>Author contact: <a href="http://www.justjakob.de/" target="_blank">Jakob Ketterl, DD5JFK</a></div>
+                        <div id="openwebrx-debugdiv"></div>
+                    </div>
+                </div>
+            </div>
+            <div class="openwebrx-panel" id="openwebrx-panel-status" data-panel-name="status" style="width: 615px;" data-panel-transparent="true">
+                <div class="openwebrx-progressbar" id="openwebrx-bar-audio-buffer"> <span class="openwebrx-progressbar-text">Audio buffer [0 ms]</span><div class="openwebrx-progressbar-bar"></div></div>
+                <div class="openwebrx-progressbar" id="openwebrx-bar-audio-output"> <span class="openwebrx-progressbar-text">Audio output [0 sps]</span><div class="openwebrx-progressbar-bar"></div></div>
+                <div class="openwebrx-progressbar" id="openwebrx-bar-audio-speed"> <span class="openwebrx-progressbar-text">Audio stream [0 kbps]</span><div class="openwebrx-progressbar-bar"></div></div>
+                <div class="openwebrx-progressbar" id="openwebrx-bar-network-speed"> <span class="openwebrx-progressbar-text">Network usage [0 kbps]</span><div class="openwebrx-progressbar-bar"></div></div>
+                <div class="openwebrx-progressbar" id="openwebrx-bar-server-cpu"> <span class="openwebrx-progressbar-text">Server CPU [0%]</span><div class="openwebrx-progressbar-bar"></div></div>
+                <div class="openwebrx-progressbar" id="openwebrx-bar-clients"> <span class="openwebrx-progressbar-text">Clients [1]</span><div class="openwebrx-progressbar-bar"></div></div>
+            </div>
+        </div>
+        <div id="openwebrx-panels-container-right">
+            <div class="openwebrx-panel" id="openwebrx-panel-receiver" data-panel-name="client-params" style="width: 259px;">
+                <div class="openwebrx-panel-line frequencies-container">
+                    <div class="frequencies">
+                        <div id="webrx-actual-freq"></div>
+                        <div id="webrx-mouse-freq"></div>
+                    </div>
+                    <div class="openwebrx-button openwebrx-square-button openwebrx-bookmark-button" style="display:none;" title="Add bookmark...">
+                        <img src="static/gfx/openwebrx-bookmark.png">
+                    </div>
+                </div>
+                <div class="openwebrx-panel-line">
+                    <select id="openwebrx-sdr-profiles-listbox" onchange="sdr_profile_changed();">
+                    </select>
+                </div>
+                <div class="openwebrx-panel-line openwebrx-panel-flex-line">
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-nfm"
+                         onclick="demodulator_analog_replace('nfm');">FM</div>
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-am"
+                         onclick="demodulator_analog_replace('am');">AM</div>
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-lsb"
+                         onclick="demodulator_analog_replace('lsb');">LSB</div>
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-usb"
+                         onclick="demodulator_analog_replace('usb');">USB</div>
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-cw"
+                         onclick="demodulator_analog_replace('cw');">CW</div>
+                </div>
+                <div class="openwebrx-panel-line openwebrx-panel-flex-line">
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-dmr"
+                         style="display:none;" data-feature="digital_voice_digiham"
+                         onclick="demodulator_analog_replace('dmr');">DMR</div>
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-dstar"
+                         style="display:none;" data-feature="digital_voice_dsd"
+                         onclick="demodulator_analog_replace('dstar');">DStar</div>
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-nxdn"
+                         style="display:none;" data-feature="digital_voice_dsd"
+                         onclick="demodulator_analog_replace('nxdn');">NXDN</div>
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-ysf"
+                         style="display:none;" data-feature="digital_voice_digiham"
+                         onclick="demodulator_analog_replace('ysf');">YSF</div>
+                </div>
+                <div class="openwebrx-panel-line openwebrx-panel-flex-line">
+                    <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-dig" onclick="demodulator_digital_replace_last();">DIG</div>
+                    <select id="openwebrx-secondary-demod-listbox" onchange="secondary_demod_listbox_changed();">
+                        <option value="none"></option>
+                        <option value="bpsk31">BPSK31</option>
+                        <option value="bpsk63">BPSK63</option>
+                        <option value="ft8" data-feature="wsjt-x">FT8</option>
+                        <option value="wspr" data-feature="wsjt-x">WSPR</option>
+                        <option value="jt65" data-feature="wsjt-x">JT65</option>
+                        <option value="jt9" data-feature="wsjt-x">JT9</option>
+                        <option value="ft4" data-feature="wsjt-x">FT4</option>
+                        <option value="packet" data-feature="packet">Packet</option>
+                        <option value="pocsag" data-feature="pocsag">Pocsag</option>
+                    </select>
+                </div>
+                <div class="openwebrx-panel-line">
+                    <div title="Mute on/off" id="openwebrx-mute-off" class="openwebrx-button" onclick="toggleMute();"><img src="static/gfx/openwebrx-speaker.png" class="openwebrx-sliderbtn-img" id="openwebrx-mute-img"></div>
+                    <input title="Volume" id="openwebrx-panel-volume" class="openwebrx-panel-slider" type="range" min="0" max="150" value="50" step="1" onchange="updateVolume()" oninput="updateVolume()">
+                    <div title="Auto-adjust waterfall colors" id="openwebrx-waterfall-colors-auto" class="openwebrx-button" onclick="waterfall_measure_minmax_now=true;"><img src="static/gfx/openwebrx-waterfall-auto.png" class="openwebrx-sliderbtn-img"></div>
+                    <input title="Waterfall minimum level" id="openwebrx-waterfall-color-min" class="openwebrx-panel-slider" type="range" min="-200" max="100" value="50" step="1" onchange="updateWaterfallColors(0);" oninput="updateVolume()">
+                </div>
+                <div class="openwebrx-panel-line">
+                    <div title="Auto-set squelch level" id="openwebrx-squelch-default" class="openwebrx-button" onclick="setSquelchToAuto()"><img src="static/gfx/openwebrx-squelch-button.png" class="openwebrx-sliderbtn-img"></div>
+                    <input title="Squelch" id="openwebrx-panel-squelch" class="openwebrx-panel-slider" type="range" min="-150" max="0" value="-150" step="1" onchange="updateSquelch()" oninput="updateSquelch()">
+                    <div title="Set waterfall colors to default" id="openwebrx-waterfall-colors-default" class="openwebrx-button" onclick="waterfallColorsDefault()"><img src="static/gfx/openwebrx-waterfall-default.png" class="openwebrx-sliderbtn-img"></div>
+                    <input title="Waterfall maximum level" id="openwebrx-waterfall-color-max" class="openwebrx-panel-slider" type="range" min="-200" max="100" value="50" step="1" onchange="updateWaterfallColors(1);" oninput="updateVolume()">
+                </div>
+                <div class="openwebrx-panel-line">
+                    <div class="openwebrx-button openwebrx-square-button" onclick="zoomInOneStep();"  title="Zoom in one step">  <img src="static/gfx/openwebrx-zoom-in.png" /></div>
+                    <div class="openwebrx-button openwebrx-square-button" onclick="zoomOutOneStep();" title="Zoom out one step"> <img src="static/gfx/openwebrx-zoom-out.png" /></div>
+                    <div class="openwebrx-button openwebrx-square-button" onclick="zoomInTotal();"  title="Zoom in totally"><img src="static/gfx/openwebrx-zoom-in-total.png" /></div>
+                    <div class="openwebrx-button openwebrx-square-button" onclick="zoomOutTotal();" title="Zoom out totally"><img src="static/gfx/openwebrx-zoom-out-total.png" /></div>
+                    <div id="openwebrx-smeter-db">0 dB</div>
+                </div>
+                <div class="openwebrx-panel-line">
+                    <div id="openwebrx-smeter-outer">
+                        <div id="openwebrx-smeter-bar"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+    <div id="openwebrx-autoplay-overlay" class="openwebrx-overlay" style="display:none;">
+        <div class="overlay-content">
+            <img id="openwebrx-play-button" src="static/gfx/openwebrx-play-button.png" />
+            <div>Start OpenWebRX</div>
+        </div>
+    </div>
+    <div id="openwebrx-error-overlay" class="openwebrx-overlay" style="display:none;">
+        <div class="overlay-content">
+            <div>This receiver is currently unavailable due to technical issues.</div>
+            <div>Error Message:</div>
+            <div class="errormessage"></div>
+        </div>
+    </div>
+    <div id="openwebrx-dialog-bookmark" class="openwebrx-dialog" style="display:none;">
+        <form>
+            <div class="form-field">
+                <label for="name">Name:</label>
+                <input type="text" id="name" name="name" required="required">
+            </div>
+            <div class="form-field">
+                <label for="frequency">Frequency:</label>
+                <input type="number" id="frequency" name="frequency">
+            </div>
+            <div class="form-field">
+                <label for="modulation">Modulation:</label>
+                <select name="modulation" id="modulation">
+                    <option value="nfm">FM</option>
+                    <option value="am">AM</option>
+                    <option value="usb">USB</option>
+                    <option value="lsb">LSB</option>
+                    <option value="cw">CW</option>
+                    <option value="dmr">DMR</option>
+                    <option value="dstar">D-Star</option>
+                    <option value="nxdn">NXDN</option>
+                    <option value="ysf">YSF</option>
+                </select>
+            </div>
+            <div class="buttons">
+                <div class="openwebrx-button" data-action="cancel">Cancel</div>
+                <div class="openwebrx-button" data-action="submit">Ok</div>
+            </div>
+            <input type="submit" style="display:none;">
+        </form>
+    </div>
+    </body>
+</html>

htdocs/index.wrx

@@ -1,93 +0,0 @@
-<!DOCTYPE HTML>
-<!--
-OpenWebRX (c) Copyright 2013-2014 Andras Retzler <randras@sdr.hu>
-
-This file is part of OpenWebRX.
-
-    OpenWebRX is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenWebRX is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenWebRX. If not, see <http://www.gnu.org/licenses/>.
--->
-<html>
-	<head>
-		<title>OpenWebRX | Open Source Web-based SDR for everyone!</title>
-		<script type="text/javascript">
-			//Local variables
-			client_id="%[CLIENT_ID]";
-			ws_url="%[WS_URL]";
-			rx_photo_height=%[RX_PHOTO_HEIGHT];
-		</script>
-		<script src="openwebrx.js"></script>
-		<link rel="stylesheet" type="text/css" href="openwebrx.css" />
-		<meta charset="utf-8">
-	</head>
-	<body onload="openwebrx_init();">
-<div id="webrx-page-container">
-	<div id="webrx-top-container">
-		<div id="webrx-top-photo-clip"> 
-			<img src="gfx/openwebrx-top-photo.jpg" id="webrx-top-photo"/> 
-			<div id="webrx-rx-photo-title">%[RX_PHOTO_TITLE]</div>
-			<div id="webrx-rx-photo-desc">%[RX_PHOTO_DESC]</div>
-		</div>
-		<div id="webrx-top-bar-background" class="webrx-top-bar-parts"></div>
-		<div id="webrx-top-bar" class="webrx-top-bar-parts">
-			<a href="http://openwebrx.org/" target="_blank"><img src="gfx/openwebrx-top-logo.png" id="webrx-top-logo" /></a>
-			<a href="http://ha5kfu.sch.bme.hu/" target="_blank"><img src="gfx/openwebrx-ha5kfu-top-logo.png" id="webrx-ha5kfu-top-logo" /></a>
-			<img id="webrx-rx-avatar-background" src="gfx/openwebrx-avatar-background.png" onclick="toggle_rx_photo();"/>
-			<img id="webrx-rx-avatar" src="gfx/openwebrx-avatar.png" onclick="toggle_rx_photo();"/>
-			<div id="webrx-rx-title" onclick="toggle_rx_photo();">%[RX_TITLE]</div>
-			<div id="webrx-rx-desc" onclick="toggle_rx_photo();">%[RX_LOC] | Loc: %[RX_QRA], ASL: %[RX_ASL] m, <a href="https://www.google.hu/maps/place/%[RX_GPS]" target="_blank" onclick="dont_toggle_rx_photo();">[maps]</a></div>
-			<div id="openwebrx-rx-details-arrow">
-				<a id="openwebrx-rx-details-arrow-up" onclick="toggle_rx_photo();"><img src="gfx/openwebrx-rx-details-arrow-up.png" /></a>
-				<a id="openwebrx-rx-details-arrow-down" onclick="toggle_rx_photo();"><img src="gfx/openwebrx-rx-details-arrow.png" /></a>
-			</div>
-		</div>
-	</div>
-	<div id="webrx-main-container">
-			<div id="openwebrx-scale-container">
-				<canvas id="openwebrx-scale-canvas" width="0" height="0"></canvas>
-			</div>
-			<div id="webrx-canvas-container">
-				<div id="openwebrx-phantom-canvas"></div>
-				<!-- add canvas here by javascript -->
-			</div>
-			<div id="openwebrx-panels-container">
-				<div class="openwebrx-panel" data-panel-name="client-params" data-panel-pos="right" data-panel-order="0" data-panel-size="215,70">
-					<div id="webrx-actual-freq">---.--- MHz</div>
-					<div id="webrx-mouse-freq">---.--- MHz</div>
-					<!--<div class="openwebrx-button" onclick="ws.send('SET mod=wfm');" >WFM</div>-->
-					<div class="openwebrx-button" onclick="demodulator_analog_replace('nfm');">FM</div>
-					<div class="openwebrx-button" onclick="demodulator_analog_replace('am');">AM</div>					
-					<div class="openwebrx-button" onclick="demodulator_analog_replace('lsb');">LSB</div>
-					<div class="openwebrx-button" onclick="demodulator_analog_replace('usb');">USB</div>
-					<div class="openwebrx-button" onclick="demodulator_analog_replace('cw');">CW</div>
-				</div>
-				<div class="openwebrx-panel" id="webrx-config" data-panel-name="debug" data-panel-pos="left" data-panel-order="0" data-panel-size="585,130">
-					<div class="openwebrx-panel-inner">
-						<div id="openwebrx-client-log-title">openwebrx.js (beta) client log </strong><span id="openwebrx-problems"></span></div>
-						Author: <a href="javascript:sendmail2('pi7qtu=alz$pc');">HA7ILM</a>. Please send me bug reports and suggestions.<br/>
-						Client status: <span id="openwebrx-client-status">
-							<span id="openwebrx-audio-sps"></span><br/>
-						<!--Server status: <span id="openwebrx-server-status">no information</span><br/>-->
-						Your client ID is: <em>%[CLIENT_ID]</em><br />
-						<div id="openwebrx-debugdiv"></div>
-					</div>
-				</div>
-				<div class="openwebrx-panel" data-panel-name="client-under-devel" data-panel-pos="none" data-panel-order="0" data-panel-size="245,55" style="background-color: Red;">
-					<span style="font-size: 15pt; font-weight: bold;">Under construction</span>
-					<br />We're working on the code right now, so the application might fail.
-				</div>
-			</div>
-	</div>
-</div>
-	</body>
-</html>

htdocs/lib/AprsMarker.js

@@ -0,0 +1,91 @@
+function AprsMarker() {}
+
+AprsMarker.prototype = new google.maps.OverlayView();
+
+AprsMarker.prototype.draw = function() {
+	var div = this.div;
+	var overlay = this.overlay;
+	if (!div || !overlay) return;
+
+    if (this.symbol) {
+        var tableId = this.symbol.table === '/' ? 0 : 1;
+        div.style.background = 'url(aprs-symbols/aprs-symbols-24-' + tableId + '@2x.png)';
+        div.style['background-size'] = '384px 144px';
+        div.style['background-position-x'] = -(this.symbol.index % 16) * 24 + 'px';
+        div.style['background-position-y'] = -Math.floor(this.symbol.index / 16) * 24 + 'px';
+    }
+
+    if (this.course) {
+        if (this.course > 180) {
+            div.style.transform = 'scalex(-1) rotate(' + (270 - this.course) + 'deg)'
+        } else {
+            div.style.transform = 'rotate(' + (this.course - 90) + 'deg)';
+        }
+    } else {
+        div.style.transform = null;
+    }
+
+    if (this.symbol.table !== '/' && this.symbol.table !== '\\') {
+        overlay.style.display = 'block';
+        overlay.style['background-position-x'] = -(this.symbol.tableindex % 16) * 24 + 'px';
+        overlay.style['background-position-y'] = -Math.floor(this.symbol.tableindex / 16) * 24 + 'px';
+    } else {
+        overlay.style.display = 'none';
+    }
+
+    if (this.opacity) {
+        div.style.opacity = this.opacity;
+    } else {
+        div.style.opacity = null;
+    }
+
+	var point = this.getProjection().fromLatLngToDivPixel(this.position);
+
+	if (point) {
+		div.style.left = point.x - 12 + 'px';
+		div.style.top = point.y - 12 + 'px';
+	}
+};
+
+AprsMarker.prototype.setOptions = function(options) {
+    google.maps.OverlayView.prototype.setOptions.apply(this, arguments);
+    this.draw();
+};
+
+AprsMarker.prototype.onAdd = function() {
+    var div = this.div = document.createElement('div');
+
+    div.style.position = 'absolute';
+    div.style.cursor = 'pointer';
+    div.style.width = '24px';
+    div.style.height = '24px';
+
+    var overlay = this.overlay = document.createElement('div');
+    overlay.style.width = '24px';
+    overlay.style.height = '24px';
+    overlay.style.background = 'url(aprs-symbols/aprs-symbols-24-2@2x.png)';
+    overlay.style['background-size'] = '384px 144px';
+    overlay.style.display = 'none';
+
+    div.appendChild(overlay);
+
+	var self = this;
+    google.maps.event.addDomListener(div, "click", function(event) {
+        event.stopPropagation();
+        google.maps.event.trigger(self, "click", event);
+    });
+
+    var panes = this.getPanes();
+    panes.overlayImage.appendChild(div);
+};
+
+AprsMarker.prototype.remove = function() {
+	if (this.div) {
+		this.div.parentNode.removeChild(this.div);
+		this.div = null;
+	}
+};
+
+AprsMarker.prototype.getAnchorPoint = function() {
+    return new google.maps.Point(0, -12);
+};

htdocs/lib/AudioEngine.js

@@ -0,0 +1,356 @@
+// this controls if the new AudioWorklet API should be used if available.
+// the engine will still fall back to the ScriptProcessorNode if this is set to true but not available in the browser.
+var useAudioWorklets = true;
+
+function AudioEngine(maxBufferLength, audioReporter) {
+    this.audioReporter = audioReporter;
+    this.initStats();
+    this.resetStats();
+    var ctx = window.AudioContext || window.webkitAudioContext;
+    if (!ctx) {
+        return;
+    }
+    this.audioContext = new ctx();
+    this.allowed = this.audioContext.state === 'running';
+    this.started = false;
+
+    this.audioCodec = new ImaAdpcmCodec();
+    this.compression = 'none';
+
+    this.setupResampling();
+    this.resampler = new Interpolator(this.resamplingFactor);
+
+    this.maxBufferSize = maxBufferLength * this.getSampleRate();
+}
+
+AudioEngine.prototype.start = function(callback) {
+    var me = this;
+    if (me.resamplingFactor === 0) return; //if failed to find a valid resampling factor...
+    if (me.started) {
+        if (callback) callback(false);
+        return;
+    }
+
+    me.audioContext.resume().then(function(){
+        me.allowed = me.audioContext.state === 'running';
+        if (!me.allowed) {
+            if (callback) callback(false);
+            return;
+        }
+        me.started = true;
+
+        me.gainNode = me.audioContext.createGain();
+        me.gainNode.connect(me.audioContext.destination);
+
+        if (useAudioWorklets && me.audioContext.audioWorklet) {
+            me.audioContext.audioWorklet.addModule('static/lib/AudioProcessor.js').then(function(){
+                me.audioNode = new AudioWorkletNode(me.audioContext, 'openwebrx-audio-processor', {
+                    numberOfInputs: 0,
+                    numberOfOutputs: 1,
+                    outputChannelCount: [1],
+                    processorOptions: {
+                        maxBufferSize: me.maxBufferSize
+                    }
+                });
+                me.audioNode.connect(me.gainNode);
+                me.audioNode.port.addEventListener('message', function(m){
+                    var json = JSON.parse(m.data);
+                    if (typeof(json.buffersize) !== 'undefined') {
+                        me.audioReporter({
+                            buffersize: json.buffersize
+                        });
+                    }
+                    if (typeof(json.samplesProcessed) !== 'undefined') {
+                        me.audioSamples.add(json.samplesProcessed);
+                    }
+                });
+                me.audioNode.port.start();
+                if (callback) callback(true, 'AudioWorklet');
+            });
+        } else {
+            me.audioBuffers = [];
+
+            if (!AudioBuffer.prototype.copyToChannel) { //Chrome 36 does not have it, Firefox does
+                AudioBuffer.prototype.copyToChannel = function (input, channel) //input is Float32Array
+                {
+                    var cd = this.getChannelData(channel);
+                    for (var i = 0; i < input.length; i++) cd[i] = input[i];
+                }
+            }
+
+            var bufferSize;
+            if (me.audioContext.sampleRate < 44100 * 2)
+                bufferSize = 4096;
+            else if (me.audioContext.sampleRate >= 44100 * 2 && me.audioContext.sampleRate < 44100 * 4)
+                bufferSize = 4096 * 2;
+            else if (me.audioContext.sampleRate > 44100 * 4)
+                bufferSize = 4096 * 4;
+
+
+            function audio_onprocess(e) {
+                var total = 0;
+                var out = new Float32Array(bufferSize);
+                while (me.audioBuffers.length) {
+                    var b = me.audioBuffers.shift();
+                    // not enough space to fit all data, so splice and put back in the queue
+                    if (total + b.length > bufferSize) {
+                        var spaceLeft  = bufferSize - total;
+                        var tokeep = b.subarray(0, spaceLeft);
+                        out.set(tokeep, total);
+                        var tobuffer = b.subarray(spaceLeft, b.length);
+                        me.audioBuffers.unshift(tobuffer);
+                        total += spaceLeft;
+                        break;
+                    } else {
+                        out.set(b, total);
+                        total += b.length;
+                    }
+                }
+
+                e.outputBuffer.copyToChannel(out, 0);
+                me.audioSamples.add(total);
+
+            }
+
+            //on Chrome v36, createJavaScriptNode has been replaced by createScriptProcessor
+            var method = 'createScriptProcessor';
+            if (me.audioContext.createJavaScriptNode) {
+                method = 'createJavaScriptNode';
+            }
+            me.audioNode = me.audioContext[method](bufferSize, 0, 1);
+            me.audioNode.onaudioprocess = audio_onprocess;
+            me.audioNode.connect(me.gainNode);
+            if (callback) callback(true, 'ScriptProcessorNode');
+        }
+
+        setInterval(me.reportStats.bind(me), 1000);
+    });
+};
+
+AudioEngine.prototype.isAllowed = function() {
+    return this.allowed;
+};
+
+AudioEngine.prototype.reportStats = function() {
+    if (this.audioNode.port) {
+        this.audioNode.port.postMessage(JSON.stringify({cmd:'getStats'}));
+    } else {
+        this.audioReporter({
+            buffersize: this.getBuffersize()
+        });
+    }
+};
+
+AudioEngine.prototype.initStats = function() {
+    var me = this;
+    var buildReporter = function(key) {
+        return function(v){
+            var report = {};
+            report[key] = v;
+            me.audioReporter(report);
+        }
+
+    };
+
+    this.audioBytes = new Measurement();
+    this.audioBytes.report(10000, 1000, buildReporter('audioByteRate'));
+
+    this.audioSamples = new Measurement();
+    this.audioSamples.report(10000, 1000, buildReporter('audioRate'));
+};
+
+AudioEngine.prototype.resetStats = function() {
+    this.audioBytes.reset();
+    this.audioSamples.reset();
+};
+
+AudioEngine.prototype.setupResampling = function() { //both at the server and the client
+    var output_range_max = 12000;
+    var output_range_min = 8000;
+    var targetRate = this.audioContext.sampleRate;
+    var i = 1;
+    while (true) {
+        var audio_server_output_rate = Math.floor(targetRate / i);
+        if (audio_server_output_rate < output_range_min) {
+            this.resamplingFactor = 0;
+            this.outputRate = 0;
+            divlog('Your audio card sampling rate (' + targetRate + ') is not supported.<br />Please change your operating system default settings in order to fix this.', 1);
+            break;
+        } else if (audio_server_output_rate >= output_range_min && audio_server_output_rate <= output_range_max) {
+            this.resamplingFactor = i;
+            this.outputRate = audio_server_output_rate;
+            break; //okay, we're done
+        }
+        i++;
+    }
+};
+
+AudioEngine.prototype.getOutputRate = function() {
+    return this.outputRate;
+};
+
+AudioEngine.prototype.getSampleRate = function() {
+    return this.audioContext.sampleRate;
+};
+
+AudioEngine.prototype.pushAudio = function(data) {
+    if (!this.audioNode) return;
+    this.audioBytes.add(data.byteLength);
+    var buffer;
+    if (this.compression === "adpcm") {
+        //resampling & ADPCM
+        buffer = this.audioCodec.decode(new Uint8Array(data));
+    } else {
+        buffer = new Int16Array(data);
+    }
+    buffer = this.resampler.process(buffer);
+    if (this.audioNode.port) {
+        // AudioWorklets supported
+        this.audioNode.port.postMessage(buffer);
+    } else {
+        // silently drop excess samples
+        if (this.getBuffersize() + buffer.length <= this.maxBufferSize) {
+            this.audioBuffers.push(buffer);
+        }
+    }
+};
+
+AudioEngine.prototype.setCompression = function(compression) {
+    this.compression = compression;
+};
+
+AudioEngine.prototype.setVolume = function(volume) {
+    this.gainNode.gain.value = volume;
+};
+
+AudioEngine.prototype.getBuffersize = function() {
+    // only available when using ScriptProcessorNode
+    if (!this.audioBuffers) return 0;
+    return this.audioBuffers.map(function(b){ return b.length; }).reduce(function(a, b){ return a + b; }, 0);
+};
+
+function ImaAdpcmCodec() {
+    this.reset();
+}
+
+ImaAdpcmCodec.prototype.reset = function() {
+    this.stepIndex = 0;
+    this.predictor = 0;
+    this.step = 0;
+};
+
+ImaAdpcmCodec.imaIndexTable = [ -1, -1, -1, -1, 2, 4, 6, 8, -1, -1, -1, -1, 2, 4, 6, 8 ];
+
+ImaAdpcmCodec.imaStepTable = [
+                               7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
+                               19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
+                               50, 55, 60, 66, 73, 80, 88, 97, 107, 118,
+                               130, 143, 157, 173, 190, 209, 230, 253, 279, 307,
+                               337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
+                               876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
+                               2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
+                               5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
+                               15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
+                             ];
+
+ImaAdpcmCodec.prototype.decode = function(data) {
+    var output = new Int16Array(data.length * 2);
+    for (var i = 0; i < data.length; i++) {
+        output[i * 2] = this.decodeNibble(data[i] & 0x0F);
+        output[i * 2 + 1] = this.decodeNibble((data[i] >> 4) & 0x0F);
+    }
+    return output;
+};
+
+ImaAdpcmCodec.prototype.decodeNibble = function(nibble) {
+    this.stepIndex += ImaAdpcmCodec.imaIndexTable[nibble];
+    this.stepIndex = Math.min(Math.max(this.stepIndex, 0), 88);
+
+    var diff = this.step >> 3;
+    if (nibble & 1) diff += this.step >> 2;
+    if (nibble & 2) diff += this.step >> 1;
+    if (nibble & 4) diff += this.step;
+    if (nibble & 8) diff = -diff;
+
+    this.predictor += diff;
+    this.predictor = Math.min(Math.max(this.predictor, -32768), 32767);
+
+    this.step = ImaAdpcmCodec.imaStepTable[this.stepIndex];
+
+    return this.predictor;
+};
+
+function Interpolator(factor) {
+    this.factor = factor;
+    this.lowpass = new Lowpass(factor)
+}
+
+Interpolator.prototype.process = function(data) {
+    var output = new Float32Array(data.length * this.factor);
+    for (var i = 0; i < data.length; i++) {
+        output[i * this.factor] = (data[i] + 0.5) / 32768;
+    }
+    return this.lowpass.process(output);
+};
+
+function Lowpass(interpolation) {
+    this.interpolation = interpolation;
+    var transitionBandwidth = 0.05;
+    this.numtaps = Math.round(4 / transitionBandwidth);
+    if (this.numtaps % 2 == 0) this.numtaps += 1;
+
+    var cutoff = 1 / interpolation;
+    this.coefficients = this.getCoefficients(cutoff / 2);
+
+    this.delay = new Float32Array(this.numtaps);
+    for (var i = 0; i < this.numtaps; i++){
+        this.delay[i] = 0;
+    }
+    this.delayIndex = 0;
+}
+
+Lowpass.prototype.getCoefficients = function(cutoffRate) {
+    var middle = Math.floor(this.numtaps / 2);
+    // hamming window
+    var window_function = function(r){
+        var rate = 0.5 + r / 2;
+        return 0.54 - 0.46 * Math.cos(2 * Math.PI * rate);
+    }
+    var output = [];
+    output[middle] = 2 * Math.PI * cutoffRate * window_function(0);
+    for (var i = 1; i <= middle; i++) {
+        output[middle - i] = output[middle + i] = (Math.sin(2 * Math.PI * cutoffRate * i) / i) * window_function(i / middle);
+    }
+    return this.normalizeCoefficients(output);
+};
+
+Lowpass.prototype.normalizeCoefficients = function(input) {
+    var sum = 0;
+    var output = [];
+    for (var i = 0; i < input.length; i++) {
+        sum += input[i];
+    }
+    for (var i = 0; i < input.length; i++) {
+        output[i] = input[i] / sum;
+    }
+    return output;
+};
+
+Lowpass.prototype.process = function(input) {
+    output = new Float32Array(input.length);
+    for (var oi = 0; oi < input.length; oi++) {
+        this.delay[this.delayIndex] = input[oi];
+        this.delayIndex = (this.delayIndex + 1) % this.numtaps;
+
+        var acc = 0;
+        var index = this.delayIndex;
+        for (var i = 0; i < this.numtaps; ++i) {
+            var index = index != 0 ? index - 1 : this.numtaps - 1;
+            acc += this.delay[index] * this.coefficients[i];
+            if (isNaN(acc)) debugger;
+        }
+        // gain by interpolation
+        output[oi] = this.interpolation * acc;
+    }
+    return output;
+};

htdocs/lib/AudioProcessor.js

@@ -0,0 +1,58 @@
+class OwrxAudioProcessor extends AudioWorkletProcessor {
+    constructor(options){
+        super(options);
+        // initialize ringbuffer, make sure it aligns with the expected buffer size of 128
+        this.bufferSize = Math.round(options.processorOptions.maxBufferSize / 128) * 128;
+        this.audioBuffer = new Float32Array(this.bufferSize);
+        this.inPos = 0;
+        this.outPos = 0;
+        this.samplesProcessed = 0;
+        this.port.addEventListener('message', (m) => {
+            if (typeof(m.data) === 'string') {
+                const json = JSON.parse(m.data);
+                if (json.cmd && json.cmd === 'getStats') {
+                    this.reportStats();
+                }
+            } else {
+                // the ringbuffer size is aligned to the output buffer size, which means that the input buffers might
+                // need to wrap around the end of the ringbuffer, back to the start.
+                // it is better to have this processing here instead of in the time-critical process function.
+                if (this.inPos + m.data.length <= this.bufferSize) {
+                    // we have enough space, so just copy data over.
+                    this.audioBuffer.set(m.data, this.inPos);
+                } else {
+                    // we don't have enough space, so we need to split the data.
+                    const remaining = this.bufferSize - this.inPos;
+                    this.audioBuffer.set(m.data.subarray(0, remaining), this.inPos);
+                    this.audioBuffer.set(m.data.subarray(remaining));
+                }
+                this.inPos = (this.inPos + m.data.length) % this.bufferSize;
+            }
+        });
+        this.port.addEventListener('messageerror', console.error);
+        this.port.start();
+    }
+    process(inputs, outputs) {
+        if (this.remaining() < 128) return true;
+        outputs[0].forEach((output) => {
+            output.set(this.audioBuffer.subarray(this.outPos, this.outPos + 128));
+        });
+        this.outPos = (this.outPos + 128) % this.bufferSize;
+        this.samplesProcessed += 128;
+        return true;
+    }
+    remaining() {
+        const mod = (this.inPos - this.outPos) % this.bufferSize;
+        if (mod >= 0) return mod;
+        return mod + this.bufferSize;
+    }
+    reportStats() {
+        this.port.postMessage(JSON.stringify({
+            buffersize: this.remaining(),
+            samplesProcessed: this.samplesProcessed
+        }));
+        this.samplesProcessed = 0;
+    }
+}
+
+registerProcessor('openwebrx-audio-processor', OwrxAudioProcessor);

htdocs/lib/BookmarkBar.js

@@ -0,0 +1,177 @@
+function BookmarkBar() {
+    var me = this;
+    me.localBookmarks = new BookmarkLocalStorage();
+    me.$container = $("#openwebrx-bookmarks-container");
+    me.bookmarks = {};
+
+    me.$container.on('click', '.bookmark', function(e){
+        var $bookmark = $(e.target).closest('.bookmark');
+        me.$container.find('.bookmark').removeClass('selected');
+        var b = $bookmark.data();
+        if (!b || !b.frequency || (!b.modulation && !b.digital_modulation)) return;
+        demodulators[0].set_offset_frequency(b.frequency - center_freq);
+        if (b.modulation) {
+            demodulator_analog_replace(b.modulation);
+        } else if (b.digital_modulation) {
+            demodulator_digital_replace(b.digital_modulation);
+        }
+        $bookmark.addClass('selected');
+    });
+
+    me.$container.on('click', '.action[data-action=edit]', function(e){
+        e.stopPropagation();
+        var $bookmark = $(e.target).closest('.bookmark');
+        me.showEditDialog($bookmark.data());
+    });
+
+    me.$container.on('click', '.action[data-action=delete]', function(e){
+        e.stopPropagation();
+        var $bookmark = $(e.target).closest('.bookmark');
+        me.localBookmarks.deleteBookmark($bookmark.data());
+        me.loadLocalBookmarks();
+    });
+
+    var $bookmarkButton = $('#openwebrx-panel-receiver').find('.openwebrx-bookmark-button');
+    if (typeof(Storage) !== 'undefined') {
+        $bookmarkButton.show();
+    } else {
+        $bookmarkButton.hide();
+    }
+    $bookmarkButton.click(function(){
+        me.showEditDialog();
+    });
+
+    me.$dialog = $("#openwebrx-dialog-bookmark");
+    me.$dialog.find('.openwebrx-button[data-action=cancel]').click(function(){
+        me.$dialog.hide();
+    });
+    me.$dialog.find('.openwebrx-button[data-action=submit]').click(function(){
+        me.storeBookmark();
+    });
+    me.$dialog.find('form').on('submit', function(e){
+        e.preventDefault();
+        me.storeBookmark();
+    });
+}
+
+BookmarkBar.prototype.position = function(){
+    var range = get_visible_freq_range();
+    $('#openwebrx-bookmarks-container').find('.bookmark').each(function(){
+        $(this).css('left', scale_px_from_freq($(this).data('frequency'), range));
+    });
+};
+
+BookmarkBar.prototype.loadLocalBookmarks = function(){
+    var bwh = bandwidth / 2;
+    var start = center_freq - bwh;
+    var end = center_freq + bwh;
+    var bookmarks = this.localBookmarks.getBookmarks().filter(function(b){
+        return b.frequency >= start && b.frequency <= end;
+    });
+    this.replace_bookmarks(bookmarks, 'local', true);
+};
+
+BookmarkBar.prototype.replace_bookmarks = function(bookmarks, source, editable) {
+    editable = !!editable;
+    bookmarks = bookmarks.map(function(b){
+        b.source = source;
+        b.editable = editable;
+        return b;
+    });
+    this.bookmarks[source] = bookmarks;
+    this.render();
+};
+
+BookmarkBar.prototype.render = function(){
+    var bookmarks = Object.values(this.bookmarks).reduce(function(l, v){ return l.concat(v); });
+    bookmarks = bookmarks.sort(function(a, b){ return a.frequency - b.frequency; });
+    var elements = bookmarks.map(function(b){
+        var $bookmark = $(
+            '<div class="bookmark" data-source="' + b.source + '"' + (b.editable?' editable="editable"':'') + '>' +
+                '<div class="bookmark-actions">' +
+                    '<div class="openwebrx-button action" data-action="edit"><img src="static/gfx/openwebrx-edit.png"></div>' +
+                    '<div class="openwebrx-button action" data-action="delete"><img src="static/gfx/openwebrx-trashcan.png"></div>' +
+                '</div>' +
+                '<div class="bookmark-content">' + b.name + '</div>' +
+            '</div>'
+        );
+        $bookmark.data(b);
+        return $bookmark;
+    });
+    this.$container.find('.bookmark').remove();
+    this.$container.append(elements);
+	this.position();
+};
+
+BookmarkBar.prototype.showEditDialog = function(bookmark) {
+    var $form = this.$dialog.find("form");
+    if (!bookmark) {
+        bookmark = {
+            name: "",
+            frequency: center_freq + demodulators[0].offset_frequency,
+            modulation: demodulators[0].subtype
+        }
+    }
+    ['name', 'frequency', 'modulation'].forEach(function(key){
+        $form.find('#' + key).val(bookmark[key]);
+    });
+    this.$dialog.data('id', bookmark.id);
+    this.$dialog.show();
+    this.$dialog.find('#name').focus();
+};
+
+BookmarkBar.prototype.storeBookmark = function() {
+    var me = this;
+    var bookmark = {};
+    var valid = true;
+    ['name', 'frequency', 'modulation'].forEach(function(key){
+        var $input = me.$dialog.find('#' + key);
+        valid = valid && $input[0].checkValidity();
+        bookmark[key] = $input.val();
+    });
+    if (!valid) {
+        me.$dialog.find("form :submit").click();
+        return;
+    }
+    bookmark.frequency = Number(bookmark.frequency);
+
+    var bookmarks = me.localBookmarks.getBookmarks();
+
+    bookmark.id = me.$dialog.data('id');
+    if (!bookmark.id) {
+        if (bookmarks.length) {
+            bookmark.id = 1 + Math.max.apply(Math, bookmarks.map(function(b){ return b.id || 0; }));
+        } else {
+            bookmark.id = 1;
+        }
+    }
+
+    bookmarks = bookmarks.filter(function(b) { return b.id !== bookmark.id; });
+    bookmarks.push(bookmark);
+
+    me.localBookmarks.setBookmarks(bookmarks);
+    me.loadLocalBookmarks();
+    me.$dialog.hide();
+};
+
+BookmarkLocalStorage = function(){
+};
+
+BookmarkLocalStorage.prototype.getBookmarks = function(){
+    return JSON.parse(window.localStorage.getItem("bookmarks")) || [];
+};
+
+BookmarkLocalStorage.prototype.setBookmarks = function(bookmarks){
+    window.localStorage.setItem("bookmarks", JSON.stringify(bookmarks));
+};
+
+BookmarkLocalStorage.prototype.deleteBookmark = function(data) {
+    if (data.id) data = data.id;
+    var bookmarks = this.getBookmarks();
+    bookmarks = bookmarks.filter(function(b) { return b.id !== data; });
+    this.setBookmarks(bookmarks);
+};
+
+
+
+

htdocs/lib/FrequencyDisplay.js

@@ -0,0 +1,101 @@
+function FrequencyDisplay(element) {
+    this.element = $(element);
+    this.digits = [];
+    this.setupElements();
+    this.setFrequency(0);
+}
+
+FrequencyDisplay.prototype.setupElements = function() {
+    this.displayContainer = $('<div>');
+    this.digitContainer = $('<span>');
+    this.displayContainer.html([this.digitContainer, $('<span> MHz</span>')]);
+    this.element.html(this.displayContainer);
+};
+
+FrequencyDisplay.prototype.setFrequency = function(freq) {
+    this.frequency = freq;
+    var formatted = (freq / 1e6).toLocaleString(undefined, {maximumFractionDigits: 4, minimumFractionDigits: 4});
+    var children = this.digitContainer.children();
+    for (var i = 0; i < formatted.length; i++) {
+        if (!this.digits[i]) {
+            this.digits[i] = $('<span>');
+            var before = children[i];
+            if (before) {
+                $(before).after(this.digits[i]);
+            } else {
+                this.digitContainer.append(this.digits[i]);
+            }
+        }
+        this.digits[i][(isNaN(formatted[i]) ? 'remove' : 'add') + 'Class']('digit');
+        this.digits[i].html(formatted[i]);
+    }
+    while (this.digits.length > formatted.length) {
+        this.digits.pop().remove();
+    }
+};
+
+function TuneableFrequencyDisplay(element) {
+    FrequencyDisplay.call(this, element);
+    this.setupEvents();
+}
+
+TuneableFrequencyDisplay.prototype = new FrequencyDisplay();
+
+TuneableFrequencyDisplay.prototype.setupElements = function() {
+    FrequencyDisplay.prototype.setupElements.call(this);
+    this.input = $('<input>');
+    this.input.hide();
+    this.element.append(this.input);
+};
+
+TuneableFrequencyDisplay.prototype.setupEvents = function() {
+    var me = this;
+    me.listeners = [];
+
+    me.element.on('wheel', function(e){
+        e.preventDefault();
+        e.stopPropagation();
+
+        var index = me.digitContainer.find('.digit').index(e.target);
+        if (index < 0) return;
+
+        var delta = 10 ** (Math.floor(Math.log10(me.frequency)) - index);
+        if (e.originalEvent.deltaY > 0) delta *= -1;
+        var newFrequency = me.frequency + delta;
+
+        me.listeners.forEach(function(l) {
+            l(newFrequency);
+        });
+    });
+
+    var submit = function(){
+        var freq = parseInt(me.input.val());
+        if (!isNaN(freq)) {
+            me.listeners.forEach(function(l) {
+                l(freq);
+            });
+        }
+        me.input.hide();
+        me.displayContainer.show();
+    };
+    me.input.on('blur', submit).on('keyup', function(e){
+        if (e.keyCode == 13) return submit();
+        if (e.keyCode == 27) {
+            me.input.hide();
+            me.displayContainer.show();
+        }
+    });
+    me.input.on('click', function(e){
+        e.stopPropagation();
+    });
+    me.element.on('click', function(){
+        me.input.val(me.frequency);
+        me.input.show();
+        me.displayContainer.hide();
+        me.input.focus();
+    });
+};
+
+TuneableFrequencyDisplay.prototype.onFrequencyChange = function(listener){
+    this.listeners.push(listener);
+};

htdocs/lib/Measurement.js

@@ -0,0 +1,62 @@
+function Measurement() {
+    this.reset();
+}
+
+Measurement.prototype.add = function(v) {
+    this.value += v;
+};
+
+Measurement.prototype.getValue = function() {
+    return this.value;
+};
+
+Measurement.prototype.getElapsed = function() {
+    return new Date() - this.start;
+};
+
+Measurement.prototype.getRate = function() {
+    return this.getValue() / this.getElapsed();
+};
+
+Measurement.prototype.reset = function() {
+    this.value = 0;
+    this.start = new Date();
+};
+
+Measurement.prototype.report = function(range, interval, callback) {
+    return new Reporter(this, range, interval, callback);
+};
+
+function Reporter(measurement, range, interval, callback) {
+    this.measurement = measurement;
+    this.range = range;
+    this.samples = [];
+    this.callback = callback;
+    this.interval = setInterval(this.report.bind(this), interval);
+}
+
+Reporter.prototype.sample = function(){
+    this.samples.push({
+        timestamp: new Date(),
+        value: this.measurement.getValue()
+    });
+};
+
+Reporter.prototype.report = function(){
+    this.sample();
+    var now = new Date();
+    var minDate = now.getTime() - this.range;
+    this.samples = this.samples.filter(function(s) {
+        return s.timestamp.getTime() > minDate;
+    });
+    this.samples.sort(function(a, b) {
+        return a.timestamp - b.timestamp;
+    });
+    var oldest = this.samples[0];
+    var newest = this.samples[this.samples.length -1];
+    var elapsed = newest.timestamp - oldest.timestamp;
+    if (elapsed <= 0) return;
+    var accumulated = newest.value - oldest.value;
+    // we want rate per second, but our time is in milliseconds... compensate by 1000
+    this.callback(accumulated * 1000 / elapsed);
+};

htdocs/lib/ProgressBar.js

@@ -0,0 +1,113 @@
+ProgressBar = function(el) {
+    this.$el = $(el);
+    this.$innerText = this.$el.find('.openwebrx-progressbar-text');
+    this.$innerBar = this.$el.find('.openwebrx-progressbar-bar');
+    this.$innerBar.css('width', '0%');
+};
+
+ProgressBar.prototype.set = function(val, text, over) {
+    this.setValue(val);
+    this.setText(text);
+    this.setOver(over);
+};
+
+ProgressBar.prototype.setValue = function(val) {
+    if (val < 0) val = 0;
+    if (val > 1) val = 1;
+    this.$innerBar.stop().animate({width: val * 100 + '%'}, 700);
+};
+
+ProgressBar.prototype.setText = function(text) {
+    this.$innerText.html(text);
+};
+
+ProgressBar.prototype.setOver = function(over) {
+    this.$innerBar.css('backgroundColor', (over) ? "#ff6262" : "#00aba6");
+};
+
+AudioBufferProgressBar = function(el, sampleRate) {
+    ProgressBar.call(this, el);
+    this.sampleRate = sampleRate;
+};
+
+AudioBufferProgressBar.prototype = new ProgressBar();
+
+AudioBufferProgressBar.prototype.setBuffersize = function(buffersize) {
+    var audio_buffer_value = buffersize / this.sampleRate;
+    var overrun = audio_buffer_value > audio_buffer_maximal_length_sec;
+    var underrun = audio_buffer_value === 0;
+    var text = "buffer";
+    if (overrun) {
+        text = "overrun";
+    }
+    if (underrun) {
+        text = "underrun";
+    }
+    this.set(audio_buffer_value, "Audio " + text + " [" + (audio_buffer_value).toFixed(1) + " s]", overrun || underrun);
+};
+
+
+NetworkSpeedProgressBar = function(el) {
+    ProgressBar.call(this, el);
+};
+
+NetworkSpeedProgressBar.prototype = new ProgressBar();
+
+NetworkSpeedProgressBar.prototype.setSpeed = function(speed) {
+    var speedInKilobits = speed * 8 / 1000;
+    this.set(speedInKilobits / 2000, "Network usage [" + speedInKilobits.toFixed(1) + " kbps]", false);
+};
+
+AudioSpeedProgressBar = function(el) {
+    ProgressBar.call(this, el);
+};
+
+AudioSpeedProgressBar.prototype = new ProgressBar();
+
+AudioSpeedProgressBar.prototype.setSpeed = function(speed) {
+    this.set(speed / 500000, "Audio stream [" + (speed / 1000).toFixed(0) + " kbps]", false);
+};
+
+AudioOutputProgressBar = function(el, sampleRate) {
+    ProgressBar.call(this, el);
+    this.maxRate = sampleRate * 1.25;
+    this.minRate = sampleRate * .25;
+};
+
+AudioOutputProgressBar.prototype = new ProgressBar();
+
+AudioOutputProgressBar.prototype.setAudioRate = function(audioRate) {
+    this.set(audioRate / this.maxRate, "Audio output [" + (audioRate / 1000).toFixed(1) + " ksps]", audioRate > this.maxRate || audioRate < this.minRate);
+};
+
+ClientsProgressBar = function(el) {
+    ProgressBar.call(this, el);
+    this.clients = 0;
+    this.maxClients = 0;
+};
+
+ClientsProgressBar.prototype = new ProgressBar();
+
+ClientsProgressBar.prototype.setClients = function(clients) {
+    this.clients = clients;
+    this.render();
+};
+
+ClientsProgressBar.prototype.setMaxClients = function(maxClients) {
+    this.maxClients = maxClients;
+    this.render();
+};
+
+ClientsProgressBar.prototype.render = function() {
+    this.set(this.clients / this.maxClients, "Clients [" + this.clients + "]", this.clients > this.maxClients * 0.85);
+};
+
+CpuProgressBar = function(el) {
+    ProgressBar.call(this, el);
+};
+
+CpuProgressBar.prototype = new ProgressBar();
+
+CpuProgressBar.prototype.setUsage = function(usage) {
+    this.set(usage, "Server CPU [" + Math.round(usage * 100) + "%]", usage > .85);
+};