Insanity Streaming Script

icecast.xml

<icecast>
    <location>Egham, UK</location>
    <admin>com[DOT]insanityradio[AT]computing (reversed)</admin>

    <limits>
        <clients>100000</clients>
        <sources>1000</sources>
        <threadpool>10</threadpool>
        <queue-size>524288</queue-size>
        <client-timeout>30</client-timeout>
        <header-timeout>15</header-timeout>
        <source-timeout>10</source-timeout>
        <burst-on-connect>1</burst-on-connect>
        <burst-size>65535</burst-size>
    </limits>

    <authentication>
        <source-password>hackme</source-password>
        <relay-password>hackme</relay-password>

        <admin-user>admin</admin-user>
        <admin-password>hackme</admin-password>
    </authentication>

    <mount>
        <mount-name>/insanity_unprocessed.mp3</mount-name>
        <fallback-mount>/insanity_unprocessed_bak.mp3</fallback-mount>
        <fallback-override>1</fallback-override>
    </mount>
    <mount>
        <mount-name>/insanity_unprocessed.flac</mount-name>
        <fallback-mount>/insanity_unprocessed_bak.flac</fallback-mount>
        <fallback-override>1</fallback-override>
    </mount>
    <mount>/insanity_unprocessed_bak.flac</mount>
    <mount>/insanity_unprocessed_bak.mp3</mount>

    <mount>
        <mount-name>/insanity320.mp3</mount-name>
        <fallback-mount>/insanity_unprocessed.mp3</fallback-mount>
    </mount>
    <mount>
        <mount-name>/insanity192.mp3</mount-name>
        <fallback-mount>/insanity_unprocessed.mp3</fallback-mount>
    </mount>
    <mount>
        <mount-name>/insanity128.mp3</mount-name>
        <fallback-mount>/insanity_unprocessed.mp3</fallback-mount>
    </mount>
    
    <mount>/insanity.flac</mount>
    <mount>/insanity128.aac</mount>
    <mount>/insanity256.aac</mount>

    <hostname>stream.cor.insanityradio.com</hostname>

    <listen-socket>
        <port>8000</port>
    </listen-socket>

    <mount>
        <mount-name>/ob.mp3</mount-name>

        <password>hackme</password>

        <max-listeners>10000</max-listeners>
        <hidden>1</hidden>
    </mount>
    <mount>
        <mount-name>/ob.ogg</mount-name>

        <password>hackme</password>

        <max-listeners>10000</max-listeners>
        <hidden>1</hidden>
    </mount>
    
    <!-- Allow DJs to connect to Now Playing system through various bits of controller software -->
    <mount>
        <mount-name>/dj_link.ogg</mount-name>

        <password>hackme</password>

        <max-listeners>10000</max-listeners>
        <hidden>1</hidden>
    </mount>

    <fileserve>1</fileserve>

    <paths>
        <basedir>/usr/share/icecast2</basedir>

        <logdir>/var/log/icecast2</logdir>
        <webroot>/usr/share/icecast2/web</webroot>
        <adminroot>/usr/share/icecast2/admin</adminroot>
        <alias source="/" destination="/status.xsl"/>
    </paths>

    <logging>
        <accesslog>access.log</accesslog>
        <errorlog>error.log</errorlog>
      	<loglevel>3</loglevel> <!-- 4 Debug, 3 Info, 2 Warn, 1 Error -->
      	<logsize>10000</logsize> <!-- Max size of a logfile -->
    </logging>

    <security>
        <chroot>0</chroot>
    </security>

    <http-headers>
        <header name="Cache-Control" value="no-cache" />
        <header name="Expires" value="0" />
    </http-headers>
 
</icecast>

run_stream.sh

#!/bin/bash
CREDS="source:hackme"

# Capture from ALSA to our initial unprocessed stream
while [ true ]; do
	
	ffmpeg -f alsa -ar 44100 -i plug:dsnoop:1 -c:a mp3 -b:a 320k -legacy_icecast 1 icecast://${CREDS}@127.0.0.1:8000/insanity_unprocessed.mp3 -c:a flac -legacy_icecast 1 -content_type audio/flac icecast://${CREDS}@127.0.0.1:8000/insanity_unprocessed.flac 2>/dev/null

done &

# Process our input feed and then encode it! 
while [ true ]; do

	ffmpeg -i http://127.0.0.1:8000/insanity_unprocessed.flac -f wav -acodec pcm_s16le -ac 2 - | stereo_tool_cmd - - -s ~/config.sts | ffmpeg -i - \
		-c:a mp3 -b:a 320k -legacy_icecast 1 icecast://${CREDS}@127.0.0.1:8000/insanity320.mp3 \
		-c:a mp3 -b:a 192k -legacy_icecast 1 icecast://${CREDS}@127.0.0.1:8000/insanity192.mp3 \
		-c:a mp3 -b:a 128k -legacy_icecast 1 icecast://${CREDS}@127.0.0.1:8000/insanity128.mp3 \
		-c:a flac -legacy_icecast 1 -content_type audio/flac icecast://${CREDS}@127.0.0.1:8000/insanity.flac \
		-c:a libfdk_aac -b:a 128k -legacy_icecast 1 -content_type audio/aac icecast://${CREDS}@127.0.0.1:8000/insanity128.aac \
		-c:a libfdk_aac -b:a 320k -legacy_icecast 1 -content_type audio/aac icecast://${CREDS}@127.0.0.1:8000/insanity256.aac

done

This is the script that powers Insanity's core stream infrastructure.