Date: Fri, 12 Oct 2012 09:47:02 -0500 From: "L. Adriel T." <ladr.torres@gmail.com> To: "Ronald F. Guilmette" <rfg@tristatelogic.com> Cc: freebsd-hardware@freebsd.org Subject: Re: Audio out via HDMI... how? Message-ID: <CABQBj_DidZK4G3L3r35f6pzkfpMXGueuAoUekX4E36h3s1v0Ug@mail.gmail.com> In-Reply-To: <32288.1349820665@tristatelogic.com> References: <32288.1349820665@tristatelogic.com>
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Hi, One thing I might suggest to try is to install the PC-BSD distribution on a spare disk etc, and see if the hardware works as expected then. If so, note the differences in configuration. A lot of the PC-BSD components are 'plug and play' so it might be an option for you. Kind regards On 10/9/12, Ronald F. Guilmette <rfg@tristatelogic.com> wrote: > > [[ I didn't get much in the way of traction on this question over in > freebsd-questions, so I am posting it again here, in the hopes that > I will have more luck here. ]] > > > I have a laptop which has an HDMI output port. > > I can get _video_ out of that (with xbmc) just fine. Audio, not so much. > Like not at all, as far as I can tell. > > So anyway, here is what I get when I do "cat /dev/sndstat": > > pcm0: <HDA Realtek ALC888 PCM #0 Analog> (play/rec) default > pcm1: <HDA Realtek ALC888 PCM #1 Analog> (rec) > pcm2: <HDA Intel Cantiga HDMI PCM #0 HDMI> (play) > > I have the HDMI output wired into my everything-capable Sony 5.1 channel > receiver, which then, in turn, is wired into my 4 (count 'em four) > speakers. > > OK, so now, could somebody please just tell me how I can do a test > that will determine why I ain't gettin' no audio? (And by the way, > what I am *really* trying to do here is to run xbmc. But no audio > is coming out of that... at least not via the HDMI port... so I'm > stuck tying to dredge into this problem at a deeper level. Oddly, > when running xbmc on the laptop, there _is_ 2channel sound coming out > of the tinny little built-in speakers in the laptop.) > > So anyway... > > My intelligent HDMI-switching handles-everything receiver is capable > of decoding 5.1 DTS-HD, Dolby TrueHD, and eveything else too. The > receiver is working just fine.. not a thing wrong with it. It works > great with my Blu-Ray player and does the digital->analog decoding for > anything and everything I throw at it. > > Again, I just want to know: How does one go about TESTING audio output > via a laptop HDMI-out port? I tried these things (while the laptop's HDMI > port was wired to my receiver), but not a sound was heard: > > cat /dev/random > /dev/dsp > > cat /dev/random > /dev/dsp2 > > (Note that before I ever did this test I set hw.snd.default_unit=2.) > > The FreeBSD handbook page that deals with setiing up audio cards doesn't > provide a whole lot of guidance for how to test and/or fix digital audio > output, whether it is coming out via HDMI (as in my case) or via any other > kind of physical transport (e.g. coax or S/PDIF). > > Somwebody please pass me a clue. I'd really like to get this working. > Thanks. > > > Regards, > rfg > > > P.S. Even if I end up, in the end, downmixing all my audio to 2 channel, > in xbmc, before the audio even hits the HDMI cable, I could live with that. > Bu right now, as far as I can tell, I can't get _any_ kind of audio > flowing > down that HDMI cable at all, period. > _______________________________________________ > freebsd-hardware@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > To unsubscribe, send any mail to "freebsd-hardware-unsubscribe@freebsd.org" >
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