For anyone interested, here is how to do the same with the built-in audio card in Pi 3 (less the mono downmix, look above if you want to add it).
As of today, and quite unfortunately *you have to comment out* "audio_pwm_mode=2" in config.txt. PCP has a tendency to reinstate that setting when you select "analog audio" output for Squeezelite. Check the setting is still disabled if suddenly mixing doesn't work anymore. Since AQ is rather poor without "audio_pwm_mode=2", I'd recommend enabling "disable_audio_dither=1". Here's hoping audio_pwm_mode will come out of beta one day; it looks like the goals for general release are to slash GPU usage and offer concurrent access. With that done, the following gives concurrent access to the audio card (I tested with 2 streams) and separate volume controls: Code: -------------------- # default - Generated by piCorePlayer pcm.!default { type plug slave.pcm "hw:0,0" } # PCP3.2: squeezelite gets set to use this device ("-o equal") # when equalizer is activated. Same name, new type of device. # This softvol allows to ramp down-up music when an application # plays another sound. pcm.equal { type softvol slave.pcm equal_real control.name musicvol control.card 0 } # Same story here: ramp up-down the sounds sent by applications pcm.gong { type softvol slave.pcm equal_real control.name gongvol control.card 0 } pcm.equal_real { type plug; slave.pcm plugequal } pcm.plugequal { type equal; slave.pcm "plughw:0,0" controls "/home/tc/.alsaequal.bin" library "/usr/local/lib/ladspa/caps.so" } ctl.equal { type equal; controls "/home/tc/.alsaequal.bin" library "/usr/local/lib/ladspa/caps.so" } -------------------- (and the same weird but harmless double-free error as reported above.) HTH 3 SB 3 Libratone Loop, Zipp Mini iPeng (iPhone + iPad) LMS 7.9 (linux) with plugins: CD Player, WaveInput, Triode's BBC iPlayer by bpa IRBlaster by Gwendesign (Felix) Server Power Control by Gordon Harris Smart Mix, Music Walk With Me, What Was That Tune? by Michael Herger PowerSave by Jason Holtzapple Song Info, Song Lyrics by Erland Isaksson AirPlay Bridge by philippe_44 WeatherTime by Martin Rehfeld Auto Dim Display, SaverSwitcher, ContextMenu by Peter Watkins. ------------------------------------------------------------------------ epoch1970's Profile: http://forums.slimdevices.com/member.php?userid=16711 View this thread: http://forums.slimdevices.com/showthread.php?t=107539
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