Difference between revisions of "Make a movie from JPEG images using gstreamer"
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Latest revision as of 07:23, 15 June 2007
#!/bin/sh
# Capture a frame every SLEEP_TIME seconds from URL and rename it PREFIX-nnnnnn.jpg:
PREFIX=img
SLEEP_TIME=1
URL="http://192.168.0.90/admin-bin/ccam.cgi?opt=vhcxy-"
num=0
while true ; do
img=$PREFIX-`printf %06d $num`.jpg
if [ -s $img ] ; then
echo exists: $img
else
wget -q "$URL" -O $img && sleep $SLEEP_TIME && ln -sf $img $PREFIX.jpg
echo $img
fi
num=`expr $num + 1`
done
-----------------------------------------------------------------------
<html>
<!--
To watch the frames while capturing them without disturbing the camera,
put this html page in a file located in the same folder,
replace 'content="1"' with the number of seconds you want between updates,
and open it with your browser:
-->
<head>
<meta http-equiv="refresh" content="1">
</head>
<body>
<img src=img.jpg>
</body>
</html>
-----------------------------------------------------------------------
#!/bin/sh
# Create an ogg/theora movie using the JPEG files generated with the first script on this page:
PREFIX=img
FRAMERATE=30
WIDTH=768
HEIGHT=576
QUALITY=63
OUTFILE=out.ogg
if [ -s "$OUTFILE" ] ; then
echo file exists: $OUTFILE 1>&2
exit 1
fi
time gst-launch-0.10 \
multifilesrc \
location="$PREFIX-%06d.jpg" ! image/jpeg,framerate=$FRAMERATE/1 \
! decodebin \
! videoscale \
! video/x-raw-yuv,width=$WIDTH,height=$HEIGHT \
! progressreport \
name=progress \
! theoraenc \
quality=$QUALITY \
! oggmux \
! filesink \
location="$OUTFILE"
