[MEncoder-users] Error reading audio: Input/output error

[Jorge Martinez S.]

On Saturday 20 December 2008 08:22, Bruno Buys wrote:
> Hi people,
> I have the exact same problem recording from mencoder as this user:
> 
> http://www.itdp.de/mplayer-users/2006-07/msg00051.html
> 
> Its a debian sid system with both 2.6.26-686 and 2.6.18-6-k7. The tv card is
> a saa7134-based. I have no oss installed here, only alsa. The audio out of
> the tv card plugs in the line in of the audio card (via vt8237 onboard).
> The computer is a AMD Sempron 3400+ with Abit KV8 Pro mobo, socket 754. No
> new fancy hw.
> 
> Watching tv with both tvtime and mplayer works flawlessly.
> 
> The mencoder line that used to work is:
> 
> mencoder -tv
> driver=v4l2:chanlist=us-cable:channel=3:normid=9:input=0:outfmt=i420:mjpeg
> -ovc lavc -lavcopts  vbitrate=1400 -oac twolame  -o $HOME/tv.avi tv://
> 
> Its actually a simplified version, as I have tried lots of slightly
> different lines, with varying parameters, to no avail. The first working
> lines had more lavcopts settings and video filters. Always worked, and for a
> long time. Now, all I get is:
> 
> ...(cut)...
> VDec: vo config request - 352 x 288 (preferred colorspace: Planar I420)
> VDec: using Planar I420 as output csp (no 0)
> Movie-Aspect is undefined - no prescaling applied.
> videocodec: libavcodec (352x288 fourcc=34504d46 [FMP4])
> Selected video codec: [rawi420] vfm: raw (RAW I420)
> ==========================================================================
> ae_twolame, 1 audio channel, forcing mono mode
> Forcing audio preload to 0, max pts correction to 0.
> New_Face failed. Maybe the font path is wrong.
> Please supply the text font file (~/.mplayer/subfont.ttf).
> subtitle font: load_sub_face failed.
> New_Face failed. Maybe the font path is wrong.
> Please supply the text font file (~/.mplayer/subfont.ttf).
> subtitle font: load_sub_face failed.
> Pos:   0.0s      1f ( 0%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]
> Error reading audio: Input/output error
> 
> 
> After a while video buffer gets full, frames dropped, etc etc. Need to kill
> mencoder.
> 
> It's so weird. How come it works and then it suddenly doesn't?
> 
> I have also tried with both mencoder from debian packages and cvs/svn
> downloaded and compiled, the exact same error happens.
> 
> Thanks everybody for any ideas!

Hi

I capture from bt848 and alsa 

You need set the audio device.

mencoder ....... -xxxopts adevice=hw.$DEV:alsa

Bye

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