Transcode with bktr+oss problem

Alexander Leidinger Alexander at
Fri Nov 25 12:18:57 GMT 2005

Nicolas Blais <nb_root at> wrote:

> Hi,
> With the recent upgrade to transcode-1.0.1_1 with oss support, I tried to
> record a tv show like so:
> transcode -i /dev/bktr0 -x bktr=norm=ntsc:vsource=tuner:asource=tuner,null -g
> 640x480 -y ffmpeg -F mpeg4 -o out
> It correctly records the video but no sound (yet I can hear it).
> (asource=external/internal tested too).
> So I also tried this:
> transcode -i /dev/bktr0 -x bktr=norm=ntsc:vsource=tuner:asource=tuner,oss -g
> 640x480 -y ffmpeg -F mpeg4 -o out
> which will correctly load the module but exit(1) on me.
> transcode v1.0.1 (C) 2001-2003 Thomas Oestreich, 2003-2004 T. Bitterberg
> SNDCTL_DSP_SETFMT: Inappropriate ioctl for device
> [transcode] auto-probing source /dev/bktr0 (failed)

I don't have a bktr card, but it looks to me as transcode tries to open the
vide input as an audio device. This seems to be wrong if I understand the
handling of bktr correctly.

> My bktr's sound-out is connected to my sound card's Line In (as with most
> WinTVs like mine).

I assume you have to specify your soundcard instead of the tuner in


--  Alexander @ PGP ID = B0063FE7     netchild @  : PGP ID = 72077137
I'm not available for comment..

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