On 18/01/2020 21:53, Jürgen Gluch wrote: > I want to redirect audio within alsa to stream, so that another software > can use it other output. > > Let me explain my setup. My multiroom audio for 4 rooms runs on my sever > and the audio is hard wired to 4 stereo amplifiers. The server (on > Xubuntu 19.04) has two soundcards (HDMI as hw0,0 and a 7.1 soundcard as > hw1,0). So far I only used the 7.1 for the multiroom audio. The 7.1 > soundcard is remapped to dmixer and four 2.0 outputs, that are used by > four independent mpd's (music player deamon). So every family member can > run its own music player client on the mobile phone or use the wall > mounted tablet to choose music (mp3 file database or web radio streams) > and the rooms were the output should be active. This runs stable and > nicely for years now. > Since some time we enjoy spotify and I want to stream the spotify audio > also to the multiroom speakers. Therefore a spotify client (the > original) is running on the server and its output goes to > "pcm.!default", which I set to hw0,0. The different spotify apps play > also nice together, but I cant find a solution for the connection from > spotify output to mpd input. > > Is there a possibility to stream the "pcm.!default" to file and make it > available to mpd as a web stream (e.g. localhost, any port, as raw, wave > or ogg)? I tried to use "type file" but was not successful. > You can use icecast to create a webradio can be use by mpd in a .m3u file ie : #EXTM3U #EXTVLCOPT:network-caching=10000 http://stream-uk1.radioparadise.com/rp_192.ogg after that you "only" need a way to start the diffusion (webradio) and/or the play on rooms. by the way if you find how to redirect sound i m interessted too > My /etc/asound.conf looks like this: > > # setup for the local playback at the server, also spotify > pcm.!default { > type plug > slave.pcm "mystream" > } > > pcm.mystream { > type file > slave { > pcm "hw:0,0" > rate 48000 > channels 2 > } > format wav > file "/tmp/dump.wav" #here should be something fancy, nothing > appears in file... > } > > # this is the mixer for the 7.1 sound card that is used by 4 mpds with 4 > output zones each > pcm.dmixer { > type dmix > ipc_key 1099 > ipc_perm 0660 > slave { > pcm "hw:1,0" > rate 96000 > channels 8 > periods 128 > period_time 0 > period_size 1024 > buffer_size 4096 > } > bindings { > 0 0 > 1 1 > 2 2 > 3 3 > 4 4 > 5 5 > 6 6 > 7 7 > } > } > > # here I map the channels of the 7.1 sound card to 4 x 2.0 stereo channels > # for the 4 zones > pcm.living { > type plug > slave { > pcm "dmixer" > channels 8 > } > ttable.0.0 1 > ttable.1.1 1 > } > > pcm.bath { > type plug > slave { > pcm "dmixer" > channels 8 > } > ttable.0.2 1 > ttable.1.3 1 > } > > pcm.kitchen { > type plug > slave { > pcm "dmixer" > channels 8 > } > ttable.0.4 1 > ttable.1.5 1 > } > > pcm.terrace { > type plug > slave { > pcm "dmixer" > channels 8 > } > ttable.0.6 1 > ttable.1.7 1 > } > > #eof > > <mailto:juglu@xxxxxxxxx> > > > _______________________________________________ > Alsa-user mailing list > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/alsa-user >
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