Bom dia.
dougsky, fiz alguns bloqueios através de mime type segue a lista que utilizei aqui.
Videos Online
^video/*
^binary/octet-stream
^video/flv
^video/mpeg
^video/x-flv
^application/octet-stream
^video/mpeg
^video/x-ms-asf
^video/x-ms-asx
^video/x-msvideo
^video/x-ms-wmv
^VIDEO/X-MS-WMV
audio
^application/octet-stream
^application/x-shockwave-flash
^application/x-msdos-program
^audio/basic
^audio/mid
^audio/midi
^audio/mp3
^audio/mp4
^audio/mpeg
^audio/mpeg3
^audio/mpg
^audio/vnd.digital-winds
^audio/vnd.lucent.voice
^audio/vnd.nuera.ecelp4800
^audio/vnd.nuera.ecelp7470
^audio/vnd.nuera.ecelp9600
^audio/wav
^audio/x-aiff
^audio/x-mp3
^audio/x-mp3
^audio/x-mpeg
^audio/x-mpeg3
^audio/x-mpegaudio
^audio/x-mpegurl
^audio/x-mpg
^audio/x-ms-wax
^audio/x-ms-wma
^audio/x-pn-realaudio
^audio/x-pn-realaudio-plugin
^audio/x-wav
^binary/octet-stream
download
^application/msdownload
^application/x-fcs
^application/x-forcedownload
^application/x-mms-framed
^application/x-msdos-program
^application/x-msdownload
^application/x-ms-wmz
^application/x-netgravity
^application/x-pointplus
^application/x-msdownload
^application/exe
^application/x-exe
^application/dos-exe
^vms/exe
^application/x-winexe
^application/msdos-windows
^application/x-msdos-program
^application/x-iso9660-image
no de videos eu coloquei ^video/* está era para bloquear todos os videos e audio seria ^audio/* , mas eu coloquei no audio e as radios continuavam a funcionar, então deixei como estava o video. a radio consegui bloquear adicionando este mime:
^application/x-shockwave-flash
estava testando com o giro 95, megahits, kboing. ambos pararam de tocar.