Android bootanimation

Not completed…

I decided to change the boot animation on my HTC Desire. You can find plenty of them in many places, but I tried to create my own from a movie.

In this example I’m going to use movie from Big Buck Bunny which is licensed under the Creative Commons Attribution 3.0 license. But you can probably use it generally for any movie which can be played in mplayer.

First download the movie:

wget http://mirror.bigbuckbunny.de/peach/bigbuckbunny_movies/big_buck_bunny_1080p_h264.mov

To make it quick you can use this script to create bootanimation.zip file. I commented some parts of the code, so it should be understandable.

#!/bin/bash

MOVIE_FILE="big_buck_bunny_1080p_h264.mov"
START_AT="0:04:30"
END="2"
START_AT_2="0:06:27"
END_2="2"
SIZE="480x800"
DESC_SIZE="${SIZE/x/ }"

#Create png files from the selected movie part
mplayer -nosound -vo png:z=9:outdir=part0 -ss $START_AT -endpos $END $MOVIE_FILE
mplayer -nosound -vo png:z=9:outdir=part1 -ss $START_AT_2 -endpos $END_2 $MOVIE_FILE

COUNT_PART=1

#Crop every png file to get the right SIZE to fit to your phone
for FILE in part[01]/*.png; do
  echo "*** ($COUNT_PART) $FILE"
  if echo "$FILE" | grep part0; then
    convert "$FILE" -crop 870x1080+510+0 -units PixelsPerCentimeter -type TrueColor -density 37.78x37.78 -depth 8 -resize $SIZE -size $SIZE xc:black +swap -gravity center -composite -verbose "part0/$(printf "%05d.${FILE##*.}" $COUNT_PART)"
    COUNT_PART=$((COUNT_PART + 1))
    #You can add the following frame (but I don't like it) - see imagemagick home page for more details
    # -mattecolor SkyBlue -frame 6x6+2+2
    else
      convert "$FILE" -crop 540x900+1150+150 -units PixelsPerCentimeter -type TrueColor -density 37.78x37.78 -depth 8 -resize $SIZE -size $SIZE xc:black +swap -gravity center -composite -verbose "part1/$(printf "%05d.${FILE##*.}" $COUNT_PART)"
      COUNT_PART=$((COUNT_PART + 1))
  fi
  rm "$FILE"
done

#Write desc file
echo "$DESC_SIZE 30
p 1 0 part0
p 0 0 part1" > desc.txt

#Zip it all to one archive
zip -0 --recurse-paths --move bootanimation.zip part0 part1 desc.txt

If you have bootanimation.zip you just need to copy it to the phone and restart it.

adb push bootanimation.zip /data/local/
adb reboot

If you are missing adb command, please take it from the rooting CD (described in Root HTC Desire under Debian) or from official Android SDK.

Then you should see something like:

I don’t know why the video is so choppy, but maybe it’s because the png files are quite big (if I compare with other available animations), because it has a lot of colors and high resolution.