> >> > >> I want to split the different outputs ports of my surround card to > >> different sinks. For this, I'm trying to use module-remap-sink with the > >> following lines in my /etc/pulse/<a href="http://default.pa">default.pa</a>: > >> > >> load-module module-remap-sink sink_name=speakers remix=no > >> master=alsa_output.pci-0000_00_1b.0.analog-surround-51 channels=2 > >> master_channel_map=front-left,front-right channel_map=front-left,front-right > >> load-module module-remap-sink sink_name=headphones remix=no > >> master=alsa_output.pci-0000_00_1b.0.analog-surround-51 channels=2 > >> master_channel_map=rear-left,rear-right channel_map=front-left,front-right > > > > For multiple stereo streams , it is better done in driver if your desktop > > are using intel hda controller which may support four SDO which allow you to > > playback four streams concurrently > > > With "in driver" you mean by configuring Alsa via .asoundrc? Thanks, <a href="http://www.intel.com/support/motherboards/desktop/sb/CS-034206.htm">http://www.intel.com/support/motherboards/desktop/sb/CS-034206.htm</a> You can enable independent headphone by specify hint indep_hp=1 by early patching for desktop using realtek or idt codecs <a href="https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio.txt">https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio.txt</a> - indep_hp (bool): provide the independent headphone PCM stream and the corresponding mixer control, if available card 1: Intel [HDA Intel], device 0: ALC892 Analog [ALC892 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Intel [HDA Intel], device 1: ALC892 Digital [ALC892 Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Intel [HDA Intel], device 2: ALC892 Alt Analog [ALC892 Alt Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 <a href="https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio-Controls.txt">https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio-Controls.txt</a> > I'll try that but this should nevertheless also work using pulseaudio. > This feature is advertised in the official documentation and I would > regard it as a bug if I couldn't do this with pulseaudio. > > Usually only pincap of those green jacks and retaskable io jacks support HP You cannot use black line out as headphone since it lack HP amp Node 0x14 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0001003e: IN OUT HP EAPD Detect Trigger EAPD 0x2: EAPD Pin Default 0x01014010: [Jack] Line Out at Ext Rear Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0x0 Node 0x15 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x00000036: IN OUT Detect Trigger Pin Default 0x01011012: [Jack] Line Out at Ext Rear Conn = 1/8, Color = Black DefAssociation = 0x1, Sequence = 0x2