Eadam at 19:56, 6 December 2011

2011-12-06T19:56:04Z

Eadam: Created page with "= Video recording = == Recording ==

 #!/bin/sh  RECORDPATH='/data/digitalization/name'  ARATE=48000  CARD=0 amixer -c ${CARD} set Capture cap amixer -c ${CARD} set Line ..."

2011-12-06T19:45:56Z

Created page with "= Video recording = == Recording == <pre> #!/bin/sh RECORDPATH='/data/digitalization/name' ARATE=48000 CARD=0 amixer -c ${CARD} set Capture cap amixer -c ${CARD} set Line ..."

New page

= Video recording =

== Recording ==
<pre>
#!/bin/sh

RECORDPATH='/data/digitalization/name'

ARATE=48000

CARD=0
amixer -c ${CARD} set Capture cap
amixer -c ${CARD} set Line cap

#NORM=SECAM-B
NORM=PAL-BG

while [ 1 ]
do
read -p "Nom: " VIDEO1;
read -p "Duration: " DURATION;
if [ "$DURATION" -eq "3" ]; then
ENDPOS=03:05:00
elif [ "$DURATION" -eq "2" ]; then
ENDPOS=02:05:00
elif [ "$DURATION" -eq "1" ]; then
ENDPOS=01:35:00
elif [ "$DURATION" -eq "30" ]; then
ENDPOS=00:35:00
else
ENDPOS=01:05:00
fi
echo "ENDPOS: "$ENDPOS
if [ $VIDEO1 ]; then
nice -10 mencoder -tv norm=$NORM:device=/dev/video0:driver=v4l2:width=768:height=576:input=1:fps=25:alsa:adevice=hw.0,2:audiorate=$ARATE tv:// -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd -vf pp=lb/ha/va/dr,hqdn3d,harddup -srate $ARATE -af lavcresample=$ARATE -lavcopts vcodec=mpeg2video:vrc_buf_size=1500:vrc_maxrate=8000:vbitrate=7000:keyint=15:acodec=mp2:abitrate=128:aspect=4/3 -endpos $ENDPOS -o $RECORDPATH/$VIDEO1.mpg
else
break
fi
sleep 1
done
</pre>

== Encoding ==
<pre>
for MPEG in $(ls *.mpg)
do
AVI=avi/$MPEG.avi
# MPEG4
if [ ! -f $AVI ]; then
echo $AVI
nice -10 ffmpeg -i $MPEG -vcodec mpeg4 -b 2000k -mbd rd -flags +mv4+aic+ilme+ildct -trellis 2 -cmp 2 -subcmp 2 -g 300 $AVI
fi
done

for MPEG in $(ls *.mpg)
do
WEBM=webm/$MPEG.webm
# WEBM (very slow)
if [ ! -f $WEBM ]; then
echo $WEBM
ffmpeg -i $MPEG -s 768x576 -vpre libvpx-720p -b 2000k -pass 1 -an -f webm -y $WEBM
ffmpeg -i $MPEG -s 768x576 -vpre libvpx-720p -b 2000k -pass 2 -acodec libvorbis -ab 100k -f webm -y $WEBM
fi
done
</pre>

← Older revision		Revision as of 19:56, 6 December 2011
Line 1:		Line 1:
−	~~= Video recording =~~
−
	== Recording ==		== Recording ==
	<pre>		<pre>

Divers/Video/Recording - Revision history

Eadam at 19:56, 6 December 2011

Eadam: Created page with "= Video recording = == Recording ==
#!/bin/sh RECORDPATH='/data/digitalization/name' ARATE=48000 CARD=0 amixer -c ${CARD} set Capture cap amixer -c ${CARD} set Line ..."