init

Dockerfile

@@ -0,0 +1,23 @@
+FROM golang:1.15 AS builder
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+COPY ./broadcast /broadcast
+WORKDIR /broadcast
+RUN apt-get update \
+    && apt-get install -y libmp3lame-dev \
+    && go get -u ./... \
+ && rm -rf /var/lib/apt/lists/*
+
+FROM debian:stable
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+COPY --from=builder /go/bin/broadcast /srv/
+COPY ./entrypoint /entrypoint
+WORKDIR /srv
+RUN apt-get update \
+    && apt-get install -y libmp3lame0 \
+ && rm -rf /var/lib/apt/lists/*
+
+ENTRYPOINT ["/entrypoint"]

README.md

@@ -0,0 +1,19 @@
+Broadcast
+=========
+
+## Build
+
+```
+docker-compose build
+```
+
+When you change the code, run it again.
+
+## Run
+
+```
+docker-compose up
+```
+
+You can connect to a local instance of mumble on `localhost:64738` and to a
+local instance of icecast2 on `localhost:8000`.

broadcast/external/goicy

@@ -0,0 +1 @@
+Subproject commit f76a17f16bb08d8ca7a94cee2b76f6ab8c34a89b

broadcast/go.mod

@@ -0,0 +1,3 @@
+module git.abbiamoundominio.org/unit/broadcast
+
+go 1.15

broadcast/main.go

@@ -0,0 +1,104 @@
+package main
+
+import (
+	"io"
+	"os"
+
+	"time"
+
+	"crypto/tls"
+	"fmt"
+	"github.com/sunicy/go-lame"
+	"net"
+
+	"layeh.com/gumble/gumble"
+	"layeh.com/gumble/gumbleutil"
+	_ "layeh.com/gumble/opus" // it's a good idea to load this: botamusique crashes because of a CodecNotSupportedError EXception
+)
+
+func audiolistener(e *gumble.AudioStreamEvent) {
+}
+
+type AudioListener struct {
+	name string
+}
+
+func (audiolistener AudioListener) OnAudioStream(e *gumble.AudioStreamEvent) {
+	fmt.Printf("Received AudioStreamEvent from %s\n", e.User.Name)
+	// fmt.Printf("%+v\n", e.User.Name)
+	// fmt.Printf(audio.Sender.Name)
+
+	go ReadPacket(e.C)
+}
+
+func PcmToMp3(pcmFileName, mp3FileName string) {
+	pcmFile, _ := os.OpenFile(pcmFileName, os.O_RDONLY, 0555)
+	mp3File, _ := os.OpenFile(mp3FileName, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0755)
+	defer mp3File.Close()
+	wr, err := lame.NewWriter(mp3File)
+	if err != nil {
+		panic("cannot create lame writer, err: " + err.Error())
+
+	}
+	io.Copy(wr, pcmFile)
+	wr.Close()
+
+}
+
+type AudioEncoder struct {
+}
+
+// func (e AudioEncoder) Encode(pcm []int16, mframeSize, maxDataBytes int) ([]byte, error) {
+// TODO: WRITE THIS ENCODER AND WRITE THE OUTPUTS TO SOME FILE (RECORDING)
+//     return []byte, nil
+// }
+func (e AudioEncoder) ID() {
+}
+func (e AudioEncoder) Reset() {
+}
+
+func ReadPacket(ch <-chan *gumble.AudioPacket) { // receive-only channel
+	pcm_out, _ := os.OpenFile("pcm_out.raw", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0755)
+	defer pcm_out.Close()
+	//func (f *File) Write(b []byte) (n int, err error)
+	for packet := range ch {
+		fmt.Println(packet.Sender.Name)
+		// fmt.Printf("%:+v\n", packet)
+		// pkt := <-ch
+		// buf := pkt.AudioBuffer
+		// pcm_out.Write(UnsafeCastInt16sToBytes(buf))
+	}
+}
+
+func main() {
+
+	config := gumble.NewConfig()
+	config.Username = "bon-bot"
+
+	config.Attach(gumbleutil.Listener{
+		TextMessage: func(e *gumble.TextMessageEvent) {
+			fmt.Printf("Received text message: %s\n", e.Message)
+
+		},
+	})
+
+	l := AudioListener{name: "Eventprinter"}
+	config.AttachAudio(l)
+
+	client, err := gumble.DialWithDialer(&net.Dialer{}, "mumble:64738", config, &tls.Config{InsecureSkipVerify: true}) // TODO: fix cert or make it an option
+	if err != nil {
+		panic(err)
+
+	}
+	// var message TextMessage
+	//gumble.AudioListener
+
+	fmt.Printf("Channels:\n")
+	for idx, channel := range client.Channels {
+		fmt.Printf("\t%d - %s\n", idx, channel.Name)
+	}
+
+	for {
+		time.Sleep(1 * time.Second)
+	}
+}

broadcast/mumble/mumble-server.ini

@@ -0,0 +1,199 @@
+# Murmur configuration file.
+#
+# General notes:
+# * Settings in this file are default settings and many of them can be overridden
+#   with virtual server specific configuration via the Ice or DBus interface.
+# * Due to the way this configuration file is read some rules have to be
+#   followed when specifying variable values (as in variable = value):
+#     * Make sure to quote the value when using commas in strings or passwords.
+#        NOT variable = super,secret BUT variable = "super,secret"
+#     * Make sure to escape special characters like '\' or '"' correctly
+#        NOT variable = """ BUT variable = "\""
+#        NOT regex = \w* BUT regex = \\w*
+
+# Path to database. If blank, will search for
+# murmur.sqlite in default locations or create it if not found.
+database=/data/mumble-server.sqlite
+
+# If you wish to use something other than SQLite, you'll need to set the name
+# of the database above, and also uncomment the below.
+# Sticking with SQLite is strongly recommended, as it's the most well tested
+# and by far the fastest solution.
+#
+#dbDriver=QMYSQL
+#dbUsername=
+#dbPassword=
+#dbHost=
+#dbPort=
+#dbPrefix=murmur_
+#dbOpts=
+
+# Murmur defaults to not using D-Bus. If you wish to use dbus, which is one of the
+# RPC methods available in Murmur, please specify so here.
+#
+dbus=system
+
+# Alternate D-Bus service name. Only use if you are running distinct
+# murmurd processes connected to the same D-Bus daemon.
+#dbusservice=net.sourceforge.mumble.murmur
+
+# If you want to use ZeroC Ice to communicate with Murmur, you need
+# to specify the endpoint to use. Since there is no authentication
+# with ICE, you should only use it if you trust all the users who have
+# shell access to your machine.
+# Please see the ICE documentation on how to specify endpoints.
+ice="tcp -h 127.0.0.1 -p 6502"
+
+# Ice primarily uses local sockets. This means anyone who has a
+# user account on your machine can connect to the Ice services.
+# You can set a plaintext "secret" on the Ice connection, and
+# any script attempting to access must then have this secret
+# (as context with name "secret").
+# Access is split in read (look only) and write (modify) 
+# operations. Write access always includes read access,
+# unless read is explicitly denied (see note below).
+#
+# Note that if this is uncommented and with empty content,
+# access will be denied.
+
+#icesecretread=
+icesecretwrite=
+
+# How many login attempts do we tolerate from one IP
+# inside a given timeframe before we ban the connection?
+# Note that this is global (shared between all virtual servers), and that
+# it counts both successfull and unsuccessfull connection attempts.
+# Set either Attempts or Timeframe to 0 to disable.
+#autobanAttempts = 10
+#autobanTimeframe = 120
+#autobanTime = 300
+
+# Specifies the file Murmur should log to. By default, Murmur
+# logs to the file 'murmur.log'. If you leave this field blank
+# on Unix-like systems, Murmur will force itself into foreground
+# mode which logs to the console.
+logfile=/data/mumble-server.log
+
+# If set, Murmur will write its process ID to this file
+# when running in daemon mode (when the -fg flag is not
+# specified on the command line). Only available on
+# Unix-like systems.
+pidfile=/var/run/mumble-server/mumble-server.pid
+
+# The below will be used as defaults for new configured servers.
+# If you're just running one server (the default), it's easier to
+# configure it here than through D-Bus or Ice.
+#
+# Welcome message sent to clients when they connect.
+welcometext="<br />Welcome to this server running <b>Murmur</b>.<br />Enjoy your stay!<br />"
+
+# Port to bind TCP and UDP sockets to.
+port=64738
+
+# Specific IP or hostname to bind to.
+# If this is left blank (default), Murmur will bind to all available addresses.
+#host=
+
+# Password to join server.
+serverpassword=
+
+# Maximum bandwidth (in bits per second) clients are allowed
+# to send speech at.
+bandwidth=72000
+
+# Maximum number of concurrent clients allowed.
+users=100
+
+# Amount of users with Opus support needed to force Opus usage, in percent.
+# 0 = Always enable Opus, 100 = enable Opus if it's supported by all clients.
+#opusthreshold=100
+
+# Maximum depth of channel nesting. Note that some databases like MySQL using
+# InnoDB will fail when operating on deeply nested channels.
+#channelnestinglimit=10
+
+# Regular expression used to validate channel names.
+# (Note that you have to escape backslashes with \ )
+#channelname=[ \\-=\\w\\#\\[\\]\\{\\}\\(\\)\\@\\|]+
+
+# Regular expression used to validate user names.
+# (Note that you have to escape backslashes with \ )
+#username=[-=\\w\\[\\]\\{\\}\\(\\)\\@\\|\\.]+
+
+# Maximum length of text messages in characters. 0 for no limit.
+#textmessagelength=5000
+
+# Maximum length of text messages in characters, with image data. 0 for no limit.
+#imagemessagelength=131072
+
+# Allow clients to use HTML in messages, user comments and channel descriptions?
+#allowhtml=true
+
+# Murmur retains the per-server log entries in an internal database which
+# allows it to be accessed over D-Bus/ICE.
+# How many days should such entries be kept?
+# Set to 0 to keep forever, or -1 to disable logging to the DB.
+#logdays=31
+
+# To enable public server registration, the serverpassword must be blank, and
+# this must all be filled out.
+# The password here is used to create a registry for the server name; subsequent
+# updates will need the same password. Don't lose your password.
+# The URL is your own website, and only set the registerHostname for static IP
+# addresses.
+# Only uncomment the 'registerName' parameter if you wish to give your "Root" channel a custom name.
+#
+#registerName=Mumble Server
+#registerPassword=secret
+#registerUrl=https://www.mumble.info/
+#registerHostname=
+
+# If this option is enabled, the server will announce its presence via the 
+# bonjour service discovery protocol. To change the name announced by bonjour
+# adjust the registerName variable.
+# See http://developer.apple.com/networking/bonjour/index.html for more information
+# about bonjour.
+#bonjour=True
+
+# If you have a proper SSL certificate, you can provide the filenames here.
+# Otherwise, Murmur will create it's own certificate automatically.
+#sslCert=
+#sslKey=
+
+# The sslCiphers option chooses the cipher suites to make available for use
+# in SSL/TLS. This option is server-wide, and cannot be set on a
+# per-virtual-server basis.
+#
+# This option is specified using OpenSSL cipher list notation (see
+# https://www.openssl.org/docs/apps/ciphers.html#CIPHER-LIST-FORMAT).
+#
+# It is recommended that you try your cipher string using 'openssl ciphers <string>'
+# before setting it here, to get a feel for which cipher suites you will get.
+#
+# After setting this option, it is recommend that you inspect your Murmur log
+# to ensure that Murmur is using the cipher suites that you expected it to.
+#
+# Note: Changing this option may impact the backwards compatibility of your
+# Murmur server, and can remove the ability for older Mumble clients to be able
+# to connect to it.
+#sslCiphers=EECDH+AESGCM:AES256-SHA:AES128-SHA
+
+# If Murmur is started as root, which user should it switch to?
+# This option is ignored if Murmur isn't started with root privileges.
+uname=mumble-server
+
+# If this options is enabled, only clients which have a certificate are allowed
+# to connect.
+#certrequired=False
+
+# If enabled, clients are sent information about the servers version and operating
+# system.
+#sendversion=True
+
+# You can configure any of the configuration options for Ice here. We recommend
+# leave the defaults as they are.
+# Please note that this section has to be last in the configuration file.
+#
+[Ice]
+Ice.Warn.UnknownProperties=1
+Ice.MessageSizeMax=65536

broadcast/resources.md

@@ -0,0 +1,6 @@
+# resources
+
+How to pass the PCM packets to icecast? Possibile solutions/resources
+- just using gumbleopenal? https://github.com/layeh/gumble/blob/146f9205029b/gumbleopenal/stream.go#L80
+- icecast streaming golang https://github.com/stunndard/goicy/blob/master/stream/stream.go
+- converting PCM to mp3? https://github.com/xfrr/goffmpeg

broadcast/utils.go

@@ -0,0 +1,33 @@
+package main
+
+import "unsafe"
+import "reflect"
+
+const BYTES_IN_INT32 = 4
+const BYTES_IN_INT16 = 2
+
+func UnsafeCaseInt32ToBytes(val int32) []byte {
+	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&val)), Len: BYTES_IN_INT32, Cap: BYTES_IN_INT32}
+	return *(*[]byte)(unsafe.Pointer(&hdr))
+
+}
+
+func UnsafeCastInt32sToBytes(ints []int32) []byte {
+	length := len(ints) * BYTES_IN_INT32
+	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&ints[0])), Len: length, Cap: length}
+	return *(*[]byte)(unsafe.Pointer(&hdr))
+
+}
+
+func UnsafeCaseInt16ToBytes(val int16) []byte {
+	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&val)), Len: BYTES_IN_INT16, Cap: BYTES_IN_INT16}
+	return *(*[]byte)(unsafe.Pointer(&hdr))
+
+}
+
+func UnsafeCastInt16sToBytes(ints []int16) []byte {
+	length := len(ints) * BYTES_IN_INT16
+	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&ints[0])), Len: length, Cap: length}
+	return *(*[]byte)(unsafe.Pointer(&hdr))
+
+}

docker-compose.yml

@@ -0,0 +1,36 @@
+version: '3'
+
+services:
+  broadcast:
+    image: unit/broadcast
+    build: .
+    depends_on:
+      - mumble
+
+  icecast:
+    image: infiniteproject/icecast
+    ports:
+      - "8000:80"
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8000"]
+      interval: 30s
+      timeout: 1s
+      retries: 3
+      start_period: 4s
+
+  mumble:
+    image: coppit/mumble-server
+    ports:
+      - "64738:64738"
+    volumes:
+      - $PWD/mumble:/data
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:64738"]
+      interval: 30s
+      timeout: 1s
+      retries: 3
+      start_period: 4s
+
+
+
+

entrypoint

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+sleep 5
+/srv/broadcast ${@}

mumble-audio-player/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"layeh.com/gumble/gumble"
+	"layeh.com/gumble/gumbleffmpeg"
+	"layeh.com/gumble/gumbleutil"
+	_ "layeh.com/gumble/opus"
+)
+
+func main() {
+	files := make(map[string]string)
+	var stream *gumbleffmpeg.Stream
+
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "Usage of %s: [flags] [audio files...]\n", os.Args[0])
+		flag.PrintDefaults()
+	}
+
+	gumbleutil.Main(gumbleutil.AutoBitrate, gumbleutil.Listener{
+		Connect: func(e *gumble.ConnectEvent) {
+			for _, file := range flag.Args() {
+				key := filepath.Base(file)
+				files[key] = file
+			}
+
+			fmt.Printf("audio player loaded! (%d files)\n", len(files))
+		},
+
+		TextMessage: func(e *gumble.TextMessageEvent) {
+			fmt.Printf(e.Message)
+			if e.Sender == nil {
+				return
+			}
+			file, ok := files[e.Message]
+			if !ok {
+				return
+			}
+			if stream != nil && stream.State() == gumbleffmpeg.StatePlaying {
+				return
+			}
+			stream = gumbleffmpeg.New(e.Client, gumbleffmpeg.SourceFile(file))
+			if err := stream.Play(); err != nil {
+				fmt.Printf("%s\n", err)
+			} else {
+				fmt.Printf("Playing %s\n", file)
+			}
+		},
+	})
+}

mumble-audio-player/run_player.sh

@@ -0,0 +1 @@
+./mumble-audio-player -insecure -server zaphoda:64738 -username bitume

mumble/mumble-server.ini

@@ -0,0 +1,199 @@
+# Murmur configuration file.
+#
+# General notes:
+# * Settings in this file are default settings and many of them can be overridden
+#   with virtual server specific configuration via the Ice or DBus interface.
+# * Due to the way this configuration file is read some rules have to be
+#   followed when specifying variable values (as in variable = value):
+#     * Make sure to quote the value when using commas in strings or passwords.
+#        NOT variable = super,secret BUT variable = "super,secret"
+#     * Make sure to escape special characters like '\' or '"' correctly
+#        NOT variable = """ BUT variable = "\""
+#        NOT regex = \w* BUT regex = \\w*
+
+# Path to database. If blank, will search for
+# murmur.sqlite in default locations or create it if not found.
+database=
+
+# If you wish to use something other than SQLite, you'll need to set the name
+# of the database above, and also uncomment the below.
+# Sticking with SQLite is strongly recommended, as it's the most well tested
+# and by far the fastest solution.
+#
+#dbDriver=QMYSQL
+#dbUsername=
+#dbPassword=
+#dbHost=
+#dbPort=
+#dbPrefix=murmur_
+#dbOpts=
+
+# Murmur defaults to not using D-Bus. If you wish to use dbus, which is one of the
+# RPC methods available in Murmur, please specify so here.
+#
+dbus=system
+
+# Alternate D-Bus service name. Only use if you are running distinct
+# murmurd processes connected to the same D-Bus daemon.
+#dbusservice=net.sourceforge.mumble.murmur
+
+# If you want to use ZeroC Ice to communicate with Murmur, you need
+# to specify the endpoint to use. Since there is no authentication
+# with ICE, you should only use it if you trust all the users who have
+# shell access to your machine.
+# Please see the ICE documentation on how to specify endpoints.
+ice="tcp -h 127.0.0.1 -p 6502"
+
+# Ice primarily uses local sockets. This means anyone who has a
+# user account on your machine can connect to the Ice services.
+# You can set a plaintext "secret" on the Ice connection, and
+# any script attempting to access must then have this secret
+# (as context with name "secret").
+# Access is split in read (look only) and write (modify) 
+# operations. Write access always includes read access,
+# unless read is explicitly denied (see note below).
+#
+# Note that if this is uncommented and with empty content,
+# access will be denied.
+
+#icesecretread=
+icesecretwrite=
+
+# How many login attempts do we tolerate from one IP
+# inside a given timeframe before we ban the connection?
+# Note that this is global (shared between all virtual servers), and that
+# it counts both successfull and unsuccessfull connection attempts.
+# Set either Attempts or Timeframe to 0 to disable.
+#autobanAttempts = 10
+#autobanTimeframe = 120
+#autobanTime = 300
+
+# Specifies the file Murmur should log to. By default, Murmur
+# logs to the file 'murmur.log'. If you leave this field blank
+# on Unix-like systems, Murmur will force itself into foreground
+# mode which logs to the console.
+logfile=/data/mumble-server.log
+
+# If set, Murmur will write its process ID to this file
+# when running in daemon mode (when the -fg flag is not
+# specified on the command line). Only available on
+# Unix-like systems.
+pidfile=/var/run/mumble-server/mumble-server.pid
+
+# The below will be used as defaults for new configured servers.
+# If you're just running one server (the default), it's easier to
+# configure it here than through D-Bus or Ice.
+#
+# Welcome message sent to clients when they connect.
+welcometext="<br />Welcome to this server running <b>Murmur</b>.<br />Enjoy your stay!<br />"
+
+# Port to bind TCP and UDP sockets to.
+port=64738
+
+# Specific IP or hostname to bind to.
+# If this is left blank (default), Murmur will bind to all available addresses.
+#host=
+
+# Password to join server.
+serverpassword=
+
+# Maximum bandwidth (in bits per second) clients are allowed
+# to send speech at.
+bandwidth=72000
+
+# Maximum number of concurrent clients allowed.
+users=100
+
+# Amount of users with Opus support needed to force Opus usage, in percent.
+# 0 = Always enable Opus, 100 = enable Opus if it's supported by all clients.
+#opusthreshold=100
+
+# Maximum depth of channel nesting. Note that some databases like MySQL using
+# InnoDB will fail when operating on deeply nested channels.
+#channelnestinglimit=10
+
+# Regular expression used to validate channel names.
+# (Note that you have to escape backslashes with \ )
+#channelname=[ \\-=\\w\\#\\[\\]\\{\\}\\(\\)\\@\\|]+
+
+# Regular expression used to validate user names.
+# (Note that you have to escape backslashes with \ )
+#username=[-=\\w\\[\\]\\{\\}\\(\\)\\@\\|\\.]+
+
+# Maximum length of text messages in characters. 0 for no limit.
+#textmessagelength=5000
+
+# Maximum length of text messages in characters, with image data. 0 for no limit.
+#imagemessagelength=131072
+
+# Allow clients to use HTML in messages, user comments and channel descriptions?
+#allowhtml=true
+
+# Murmur retains the per-server log entries in an internal database which
+# allows it to be accessed over D-Bus/ICE.
+# How many days should such entries be kept?
+# Set to 0 to keep forever, or -1 to disable logging to the DB.
+#logdays=31
+
+# To enable public server registration, the serverpassword must be blank, and
+# this must all be filled out.
+# The password here is used to create a registry for the server name; subsequent
+# updates will need the same password. Don't lose your password.
+# The URL is your own website, and only set the registerHostname for static IP
+# addresses.
+# Only uncomment the 'registerName' parameter if you wish to give your "Root" channel a custom name.
+#
+#registerName=Mumble Server
+#registerPassword=secret
+#registerUrl=https://www.mumble.info/
+#registerHostname=
+
+# If this option is enabled, the server will announce its presence via the 
+# bonjour service discovery protocol. To change the name announced by bonjour
+# adjust the registerName variable.
+# See http://developer.apple.com/networking/bonjour/index.html for more information
+# about bonjour.
+#bonjour=True
+
+# If you have a proper SSL certificate, you can provide the filenames here.
+# Otherwise, Murmur will create it's own certificate automatically.
+#sslCert=
+#sslKey=
+
+# The sslCiphers option chooses the cipher suites to make available for use
+# in SSL/TLS. This option is server-wide, and cannot be set on a
+# per-virtual-server basis.
+#
+# This option is specified using OpenSSL cipher list notation (see
+# https://www.openssl.org/docs/apps/ciphers.html#CIPHER-LIST-FORMAT).
+#
+# It is recommended that you try your cipher string using 'openssl ciphers <string>'
+# before setting it here, to get a feel for which cipher suites you will get.
+#
+# After setting this option, it is recommend that you inspect your Murmur log
+# to ensure that Murmur is using the cipher suites that you expected it to.
+#
+# Note: Changing this option may impact the backwards compatibility of your
+# Murmur server, and can remove the ability for older Mumble clients to be able
+# to connect to it.
+#sslCiphers=EECDH+AESGCM:AES256-SHA:AES128-SHA
+
+# If Murmur is started as root, which user should it switch to?
+# This option is ignored if Murmur isn't started with root privileges.
+uname=mumble-server
+
+# If this options is enabled, only clients which have a certificate are allowed
+# to connect.
+#certrequired=False
+
+# If enabled, clients are sent information about the servers version and operating
+# system.
+#sendversion=True
+
+# You can configure any of the configuration options for Ice here. We recommend
+# leave the defaults as they are.
+# Please note that this section has to be last in the configuration file.
+#
+[Ice]
+Ice.Warn.UnknownProperties=1
+Ice.MessageSizeMax=65536

mumbleclient.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"fmt"
+
+	"layeh.com/gumble/gumble"
+	"layeh.com/gumble/gumbleutil"
+	// _ "layeh.com/gumble/opus"
+)
+
+func main() {
+
+	config := gumble.NewConfig()
+	config.Username = "gumble-test"
+
+	config.Attach(gumbleutil.Listener{
+		TextMessage: func(e *gumble.TextMessageEvent) {
+			fmt.Printf("Received text message: %s\n", e.Message)
+		},
+	})
+
+	_, err := gumble.Dial("parla.abbiamoundominio.org:64738", config)
+	if err != nil {
+		panic(err)
+
+	}
+	// var message TextMessage
+
+}