How to make a 3d movie with ffmpeg: Difference between revisions

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= how to combine two seperate videos into one left-right video =
= how to combine two seperate videos into one left-right 3d video =
#Convert both movies to png still images
1. Convert both movies to png still images
## ffmpeg -r 20 -i test01-left.avi -r 20 -s 640x480 frames-l/%09d.png
:1. ffmpeg -r 20 -i test01-left.avi -r 20 -s 640x480 frames-l/%09d.png
## ffmpeg -r 20 -i test01-rigth.avi -r 20 -s 640x480 frames-r/%09d.png
:2. ffmpeg -r 20 -i test01-rigth.avi -r 20 -s 640x480 frames-r/%09d.png
 
2. Bash script for putting still images side by side, using imagemagick's montage command
#Putting still images side by side, using imagemagick's montage command
<pre>
<pre>
  a=1  
a=1  
  while [ $a -lt 2416 ]   
while [ $a -lt 2416 ]   
  do  
do  
    b=`printf "%09d" $a`  
    b=`printf "%09d" $a`  
    montage frames-l/$b.png  frames-r/$b.png -geometry 320x240+0+0 frames/$b.jpg  
    montage frames-l/$b.png  frames-r/$b.png -geometry 320x240+0+0 frames/$b.jpg  
    let a++
    let a++
  done
done
</pre>
</pre>
 
3. Convert images to avi
#Convert images to avi
:1. ffmpeg -i %03d.png -an -vcodec copy -f avi outputfile.avi
## ffmpeg -i %03d.jpg -acodec copy -vcodec copy -f avi outputfile.avi

Revision as of 04:11, 22 October 2010

how to combine two seperate videos into one left-right 3d video

1. Convert both movies to png still images

1. ffmpeg -r 20 -i test01-left.avi -r 20 -s 640x480 frames-l/%09d.png
2. ffmpeg -r 20 -i test01-rigth.avi -r 20 -s 640x480 frames-r/%09d.png

2. Bash script for putting still images side by side, using imagemagick's montage command 

 a=1 
 while [ $a -lt 2416 ]  
 do 
    b=`printf "%09d" $a` 
    montage frames-l/$b.png  frames-r/$b.png -geometry 320x240+0+0 frames/$b.jpg 
    let a++
 done

3. Convert images to avi

1. ffmpeg -i %03d.png -an -vcodec copy -f avi outputfile.avi
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