StuRa:Server/Streaming

potenzielle Software

Software	freebsd-port:	wikipedia:	Anmerkung
icecast	(freebsd-port:icecast) freebsd-port:icecast2	wikipedia:de:Icecast
FFmpeg	freebsd-port:ffmpeg	wikipedia:de:FFmpeg
VLC	freebsd-port:vlc freebsd-port:vls[1]	wikipedia:de:vlc
DarwinStreamingServer	freebsd-port:DarwinStreamingServer	wikipedia:Darwin Streaming Server	in Anlehnung an Darwin, das Betriebssystem von Apple

ffserver

How do I make it work?
      As a simple test, just run the following two command lines where
      INPUTFILE is some file which you can decode with ffmpeg:

              ffserver -f doc/ffserver.conf &
              ffmpeg -i INPUTFILE http://localhost:8090/feed1.ffm

howto

Siehe auch

• http://askubuntu.com/questions/28496/how-do-i-setup-an-icecast-server-for-broadcasting-audio-in-my-network

icecast

icecast2

sudo cat /etc/icecast2/icecast.xml

<icecast>
    <!-- Location and admin are two arbitrary strings that are e.g. visible
         on the server info page of the icecast web interface
         (server_version.xsl). -->
    <location>UK</location>
    <admin>webmaster@localhost</admin>

    <limits>
        <clients>100</clients>
        <sources>2</sources>
        <queue-size>524288</queue-size>
        <client-timeout>30</client-timeout>
        <header-timeout>15</header-timeout>
        <source-timeout>10</source-timeout>
        <!-- Same as burst-on-connect, but this allows for being more
             specific on how much to burst. Most people won't need to
             change from the default 64k. Applies to all mountpoints. -->
        <burst-size>65535</burst-size>
        <!--
        <max-bandwidth>100M</max-bandwidth>
        -->
    </limits>

    <authentication>
        <!-- Sources log in with username 'source' -->
        <source-password>hackme</source-password>
        <!-- Relays log in username 'relay' -->
        <relay-password>hackme</relay-password>

        <!-- Admin logs in with the username given below -->
        <admin-user>admin</admin-user>
        <admin-password>hackme</admin-password>
    </authentication>

    <!-- Uncomment this if you want directory listings -->
    <!--
    <directory>
        <yp-url-timeout>15</yp-url-timeout>
        <yp-url>http://dir.xiph.org/cgi-bin/yp-cgi</yp-url>
    </directory>
    -->

    <!-- This is the hostname other people will use to connect to your server.
    It affects mainly the urls generated by Icecast for playlists and yp
    listings. -->
    <hostname>localhost</hostname>

    <!-- Set the mountpoint for a shoutcast source to use, the default if not
         specified is /stream but you can change it here if an alternative is
         wanted or an extension is required
    <shoutcast-mount>/live.nsv</shoutcast-mount>
    -->

    <!-- port to use when talking to YP etc -->
    <!--<port>8000</port> -->

    <!-- You may have multiple <listener> elements -->
    <listen-socket>
        <port>8000</port>
        <!-- <bind-address>127.0.0.1</bind-address> -->
        <!-- use <shoutcast-mount> in here to implicitly define port n+1 -->
    </listen-socket>
    <!--
    <listen-socket>
        <port>8001</port>
        <ssl>1</ssl>
    </listen-socket>
    -->

    <!--<master-server>127.0.0.1</master-server>-->
    <!--<master-server-port>8001</master-server-port>-->
    <!--<master-update-interval>120</master-update-interval>-->

    <!--<master-username>hackme</master-username>-->
    <!--<master-password>hackme</master-password>-->

    <!-- issue above authentication for relays in slave setup -->
    <!--<master-relay-auth>1</master-relay-auth>-->

    <!-- setting this makes all relays on-demand unless overridden, this is
         useful for master relays which do not have <relay> definitions here.
         The default is 0 -->
    <!--<relays-on-demand>1</relays-on-demand>-->


    <!-- Request the master server to redirect new listeners to this slave
         the details passed are based on <hostname> and <port> -->
    <!--<master-redirect>1</master-redirect>-->

    <!-- The maximum nuber of slaves that can register for new listener redirection. -->
    <!--<max-redirect-slaves>10</max-redirect-slaves>-->

    <!-- Relays. State connection information, and by default 
         request inline metadata for mp3 streams if available.
         An on-demand relay will only retrieve the stream if
         there are listeners connected -->
    <!--
    <relay>
        <server>127.0.0.1</server>
        <port>8001</port>
        <mount>/example.ogg</mount>
        <local-mount>/different.ogg</local-mount>
        <on-demand>1</on-demand>
        <retry-delay>30</retry-delay>

        <relay-shoutcast-metadata>0</relay-shoutcast-metadata>
    </relay>
    -->
    <!-- Allow multiple master servers to be specified, tries each one in turn.
    <relay>
        <local-mount>/stream.mp3</local-mount>
        <server>a.b.c.d</server>
        <timeout>6</timeout>
        <master>
            <port>8000</port>
            <mount>/a</mount>
        </master>
        <master>
            <port>80</port>
            <mount>/</mount>
        </master>
    </relay>
    -->

    <!-- Only define a <mount> section if you want to use advanced options,
         like alternative usernames or passwords
         With a master/slave setup you need to define a mount in the master
         or else the server will assume that the stream is not to be made
         available to the slave.
    <mount>
        <mount-name>/*.ogg</mount-name>

        <username>othersource</username>
        <password>hackmemore</password>

        <max-listeners>1</max-listeners>
        <max-bandwidth>1000k</max-bandwidth>
        <file-seekable>0</file-seekable>
        <dump-file>/backup/live-%d-%b.ogg</dump-file>
        <burst-size>65536</burst-size>
        <fallback-mount>/example2.ogg</fallback-mount>
        <fallback-override>1</fallback-override>
        <fallback-when-full>1</fallback-when-full>
        <intro>/path/to/stream-intro.ogg</intro>
        <max-listener-duration>3600</max-listener-duration>
        <hidden>1</hidden>
        <authentication type="htpasswd">
                <option name="filename" value="myauth"/>
                <option name="allow_duplicate_users" value="0"/>
        </authentication>
        <on-connect>/home/icecast/bin/stream-start</on-connect>
        <on-disconnect>/home/icecast/bin/stream-stop</on-disconnect>
    </mount>
    -->
    <!-- other auth possibilities include running a command
         to do the auth, mount, user and pass are passed via
         stdin to the program
    <mount>
    ....
        <authentication type="command">
             <option name="listener_add" value="auth_verify"/>
        </authentication>
        
        or 

        for url auth, the add url needs to return a "icecast-auth-user:" http
        header for a user to authenicate. URLs are sent params via POST.

        <authentication type="url">
             <option name="username" value="admin"/>
             <option name="password" value="hackme"/>
             <option name="handlers"        value="3" />
             <option name="stream_auth"    value="http://myauthserver.com/scripts/auth_mount.php"/>
             <option name="mount_add"    value="http://myauthserver.com/scripts/add_mount.php"/>
             <option name="mount_remove" value="http://myauthserver.com/scripts/del_mount.php"/>
             <option name="listener_add"    value="http://myauthserver.com/scripts/add_listener.php"/>
             <option name="listener_remove" value="http://myauthserver.com/scripts/del_listener.php"/>
        </authentication>
    </mount>
    -->

    <fileserve>1</fileserve>

    <paths>
        <!-- basedir is only used if chroot is enabled -->
        <basedir>/usr/share/icecast2</basedir>

        <!-- Note that if <chroot> is turned on below, these paths must both
             be relative to the new root, not the original root -->
        <logdir>/var/log/icecast2</logdir>
        <webroot>/usr/share/icecast2/web</webroot>
        <adminroot>/usr/share/icecast2/admin</adminroot>
        <!-- <pidfile>/usr/share/icecast2/icecast.pid</pidfile> -->
        <!-- <ssl-certificate>/usr/share/icecast2/icecast.pem</ssl-certificate> -->
        <!-- <deny-ip>/path/to/file-with-IPs</deny-ip> -->
        <!-- <allow-ip>/path/to/file-with-IPs</allow-ip> -->
        <!-- <deny-agents>/path/to/file-with-useragents</deny-agents> -->

        <!-- location of mime types files used for file serving -->
        <!-- <mime-types>/etc/mime.types</mime-types> -->

        <!-- Aliases: treat requests for 'source' path as being for 'dest' path
             May be made specific to a port or bound address using the "port"
             and "bind-address" attributes.
          -->
        <!--
        <alias source="/foo" dest="/bar"/>
          -->
        <!-- Aliases: can also be used for simple redirections as well,
             this example will redirect all requests for http://server:port/ to
             the status page
          -->
        <alias source="/" dest="/index.html"/>
    </paths>

    <logging>
        <accesslog>access.log</accesslog>
        <errorlog>error.log</errorlog>
        <!-- <accesslog_ip>0<accesslog_ip> -->
        <!-- <playlistlog>playlist.log</playlistlog> -->
      	<loglevel>3</loglevel> <!-- 4 Debug, 3 Info, 2 Warn, 1 Error -->
      	<logsize>10000</logsize> <!-- Max size of a logfile -->
        <!-- If logarchive is enabled (1), then when logsize is reached
             the logfile will be moved to [error|access|playlist].log.DATESTAMP,
             otherwise it will be moved to [error|access|playlist].log.old.
             Default is non-archive mode (i.e. overwrite)
        -->
        <!-- <logarchive>1</logarchive> -->
    </logging>

    <security>
        <chroot>0</chroot>
        <!--
        <changeowner>
            <user>nobody</user>
            <group>nogroup</group>
        </changeowner>
        -->
    </security>
</icecast>

darkice

cat cat ~/.ice/darkice.cfg

[general]
duration        = 0      # duration in s, 0 forever
bufferSecs      = 1      # buffer, in seconds
reconnect       = yes    # reconnect if disconnected

[input]
device          = default # or `pulse' for Pulseaudio
sampleRate      = 44100   # sample rate 11025, 22050 or 44100
bitsPerSample   = 16      # bits
channel         = 2       # 2 = stereo

[icecast2-0]
bitrateMode     = vbr       # variable bit rate (`cbr' constant, `abr' average)
quality         = 1.0       # 1.0 is best quality
format          = mp3       # format. Choose `vorbis' for OGG Vorbis
bitrate         = 256       # bitrate
server          = localhost # or IP
port            = 8000      # port for IceCast2 access
password        = hackme    # source password to the IceCast2 server
mountPoint      = mystream.mp3  # mount point on the IceCast2 server .mp3 or .ogg
name            = mystream

Sonstiges

Mikrofon auf Lautsprecher

Das kann auch der Ausgang für Kopfhörer sein.

Modul loopback mit PulseAudio erstellen

pactl load-module module-loopback latency_msec=1

letzes gesetzes Modul loopback mit PulseAudio wieder entfernen

pactl unload-module $(pactl list short modules | awk '$2 =="module-loopback" { print $1 }' | tail -n 1)

Siehe auch

• Konferenz#Art der Kommunikation
  • Audiokonferenz
  • Videokonferenz