At Mon, 30 Aug 2010 12:02:49 +0200, Thor Kristoffersen wrote: > > On Mon, Aug 30, 2010 at 11:45 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > > At Mon, 30 Aug 2010 11:43:14 +0200, > > Thor Kristoffersen wrote: > >> > >> On Mon, Aug 30, 2010 at 11:32 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > >> >> On Mon, Aug 30, 2010 at 11:07 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > >> >> >> On Mon, Aug 30, 2010 at 10:46 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > >> >> >> >> >> I'm having issues with an X-Fi Titanium and ALSA. The problem is that > >> >> >> >> >> it appears to be impossible to capture without unmuting the channel I'm > >> >> >> >> >> capturing from. > >> >> >> >> > > >> >> >> >> > What do you mean exactly "unmuting the channel I'm capturing from"? > >> >> >> >> > If you mean to turn on/off "XXX Capture Switch", then it's a feature, > >> >> >> >> > no bug. > >> >> >> >> > >> >> >> >> No, I mean that capture is possible only when mute=off and capture=on. > >> >> >> > > >> >> >> > Which mute? Please be more specific. > >> >> >> > >> >> >> The signal I'm trying to capture is coming in through the SPDIF-i > >> >> >> channel, so I'm talking about the mute and capture flags on that > >> >> >> channel. However, I also tried the analog input (line), and the > >> >> >> problem is exactly the same on that channel. > >> >> > > >> >> > Well, this is still unclear (what actually do you mean "channel") but > >> >> > let me guess: > >> >> > > >> >> > the recording from either mic or line-in doesn't work unless you unmute > >> >> > via "Front Playback Switch" mixer element. > >> >> > > >> >> > Correct? > >> >> > >> >> Not really. I use gnome-alsamixer, and there is a mixer element called > >> >> "SPDIF-i" that has a slider, a "Mute" switch, and a "Capture" switch. > >> >> I connect a digital source to the SPDIF input on the card, and then I > >> >> try to record it with arecord from device hw:0,0. The only way I'm > >> >> able to record sound is by setting the Mute switch (of the SPDIF-i > >> >> mixer element) to off and the Capture switch to on. > >> > > >> > There is no mixer switch names "SPDIF-i". It's cut in alsamixer's > >> > display. To check more exactly, make a diff of amixer outputs between > >> > working and non-working states. > >> > > >> > But, what you wrote above is about the SPDIF input, not about the > >> > analog input, right? Let's focus on one of them first. > >> > >> The problem is exactly the same with the analog input, > > > > Hmm... what do you mean "exactly the same"? > > Does "SPDIF-in" mixer have to be unmuted? Or any other mixer element? > > No, what I mean is that in order to capture sound from the analog > input, it is necessary to set the Mute switch to off and the Capture > switch to on on the Line mixer control. Ah, now it's becoming clear. So it's "Line-in" mixer to be unmuted if you want to record from line-in, right? And "Line-in Playback Volume" plays no role for recording? Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
