Hi,
I had the same problem like you, sound when capturing but not when I
played the file after it was captured.
I had the same problems with the tvrecord script posted in freevo wiki.
When I use alsamixer I have to set CD to capture (no line in inside my
pc, only cd in, so I use that) and I have to activate with the alsamixer
the capture.
WHen I start freevo and I play some files and I look with alsamixer the
line is muted and set to nul (but i use cd so no problem so far, but I
problem for you) and the capture is deactivated. The tvrecord script in
the wiki wil unmute tv line and set it to capture but will not activate
the capture control.
THe tvrecord uses smixer, I can't activate the capture control with
smixer So I have a modified script that uses amixer, here it is :
cut-------------------------------
#!/bin/bash
# use with this VCR_CMD:
# VCR_CMD = ('/usr/local/freevo_data/tvrecord/tvrecord %(channel)s
%(seconds)s "%(filename)s"')
CHAN=$1
TIME=$2
NAME=$3
WIDTH=360
HEIGHT=288
MENCODER=/usr/bin/mencoder
AMIXER=/usr/bin/amixer
NICE="nice -n -20"
AUDIO="-oac mp3lame -lameopts cbr:br=256:mode=0"
VIDEO="-ovc nuv -nuvopts q=255"
#VIDEO="-ovc lavc -lavcopts vcodec=mpeg4:vbitrate=1600"
DSP="adevice=/dev/sound/dsp"
TV=" -tv
driver=v4l:width=$WIDTH:height=$HEIGHT:outfmt=yuy2:input=0:device=/dev/v4l/video0:norm=PAL:chanlist=europe-west:channel=$CHAN:$DSP"
$AMIXER -q sset CD 87% mute
$AMIXER -q sset Capture 87%
$AMIXER -q cset numid=30 1 # select capture source, 30 is capture source
control, 1 = cd (4 = line)
$AMIXER -q cset numid=31 1 # set capture source switch to 1 (= on)
$NICE $MENCODER tv:// $TV $VIDEO $AUDIO -endpos $TIME -o "$NAME.nuv"
#$NICE $MENCODER tv:// $TV $VIDEO $AUDIO -endpos $TIME -ffourcc divx -o
"$NAME.avi"
cut-------------------------------------
I'm using nuv for recording (epia not to powerfull), other example is
commented.
You have to change the script for your card.
numid=30 is the mixersource for my soundcard, 'ceset numdid=30 1 ' is to
select the cd as capture source (0 = mic, 1 = cd, 4 = line)
and numid=31 is the capture switch
run "amixer controls" to get the numid's
run "amixer cset numid=30" to get the capture source items (change
numid=30 with yor capture source), I think you will take 4, the line in
so 'amixer cset numid=30 4' to select line in as capture
I hope you will understand it.
Bart
On Sat, 2004-02-07 at 20:07, Alex Cruz wrote:
> Ok, I've tried a few of the tricks on the Wiki and my video recording is
> almost where I want it but for some reason, I can't get the audio portion to
> work. I mean no sound whatsoever. I have a WinTV PCI card (bt878) and the
> line in works nicely during TV watching. I tried enabling the line in with
> this command: "aumix -l 80 -l R" and I hear sound during the recording, but
> when I play it back there is nothing. So, if anyone has a surefire command
> line, I would greatly appreciate you posting it. Thanks.
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