Date: Mon, 9 Jun 1997 11:02:44 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: rhh@ct.picker.com (Randall Hopper) Cc: emulation@FreeBSD.ORG, multimedia@FreeBSD.ORG Subject: Re: "mtv" - unimplemented ioctl Message-ID: <199706090132.LAA23427@genesis.atrad.adelaide.edu.au> In-Reply-To: <19970605183544.41475@ct.picker.com> from Randall Hopper at "Jun 5, 97 06:35:44 pm"
next in thread | previous in thread | raw e-mail | index | archive | help
Randall Hopper stands accused of saying:
> mtv, a nice Linux MPEG audio/video/system player, generates this error
> when I try to play an MPEG system stream (audio and video mixed):
>
> LINUX: 'ioctl' fd=10, typ=0x450(P), num=0xf not implemented
>
> I get a brief microsecond burst of audio and that's it, so that may be
> related.
>
> Is this ioctl supported in the latest -current emulation? And out of
> curiousity, what is the function of this particular ioctl?a
It's not so much the emulation as the current sound drivers that are
the issue here. It's defined in <linux/soundcard.h> as :
#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int)
#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int)
The OSS lite beta driver may support it, but it's known to be buggy.
> Randall
--
]] Mike Smith, Software Engineer msmith@gsoft.com.au [[
]] Genesis Software genesis@gsoft.com.au [[
]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[
]] realtime instrument control. (ph) +61-8-8267-3493 [[
]] Unix hardware collector. "Where are your PEZ?" The Tick [[
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199706090132.LAA23427>