Mplayer adevice option does work

Jacob Meuser jakemsr at
Thu Apr 28 17:48:28 PDT 2005

On Thu, Apr 28, 2005 at 09:33:17PM -0300, Mario Sergio Fujikawa Ferreira wrote:

> adevice=<value>
>   Set an audio device.  <value> should be /dev/xxx for OSS and  a
>   hardware  ID  for ALSA.  See the -ao alsa documentation to find
>   out how to specify the hardware ID.
> However, despite good reports from mplayer mailing lists (no FreeBSD
> reports), I am unable to use this option under FreeBSD. The option
> should allow me to get audio from a source other than the video source.
> 	For example,
> -------
> $ mplayer -tv adevice=/dev/audio0.1:driver=bsdbt848:width=640:height=480:input=0:norm=ntsc tv://
> MPlayer 1.0pre7-3.4.2 (C) 2000-2005 MPlayer Team
> CPU: Advanced Micro Devices Athlon MP/XP/XP-M Barton (Family: 6, Stepping: 0)
> Detected cache-line size is 64 bytes
> CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 0
> Compiled for x86 CPU with extensions: MMX MMX2 3DNow 3DNowEx SSE
> Option tv: Unknown suboption adevice
> -------
> 	Inquiries at imply that this option
> works fine under Linux. Any ideas why I am unable to use it? Is it
> incidental to my system; i.e., does it work for everyone using FreeBSD
> but me? Or, is it just that this option does not work under FreeBSD?
> 	We should work at getting it fixed. Any ideas?

Hi.  I see this on OpenBSD too (same driver, etc).

does anyone else see a constant "twitch" when capturing from bktr
with mplayer?  it seems to me that about once every second, a frame
skips or gets repeated, or something ...

<jakemsr at>

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