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Homebrew [RELEASE] BootAnim9 - Custom boot animations for your 3DS!

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Not sure if it's been suggested, but It might be better to use png,bmp, or jpegs for each frame, similar to android boot logos. Maybe playing a WAV or OGG too?
If you go this route, I'd suggest maybe just have a config file for stuff like framerate, etc
 
froggestspirit said:
Not sure if it's been suggested, but It might be better to use png,bmp, or jpegs for each frame, similar to android boot logos. Maybe playing a WAV or OGG too?
If you go this route, I'd suggest maybe just have a config file for stuff like framerate, etc
Click to expand...

JPEG decompression actually introduces an incredible (literally, I couldn't believe it) amount of processing, something the ARM9 doesn't have. A JPEG stream would only decrease file size, but not improve performance (in any case, it makes it worse)
On the other hand, we (at least I) can't access any sound features from the ARM9 chip... yet
 
Wolfvak said:
JPEG decompression actually introduces an incredible (literally, I couldn't believe it) amount of processing, something the ARM9 doesn't have. A JPEG stream would only decrease file size, but not improve performance (in any case, it makes it worse)
On the other hand, we (at least I) can't access any sound features from the ARM9 chip... yet
Click to expand...
what about something like bmp? or even if we had a small converter to convert the images to a more raw format for speed?
 
Docmudkipz said:
Heres a couple of really super simple bat files that accept input.gif and renames to anim and and bottom_anim respectively. Should work fine if you have ffmpeg in your PATH or in the directory
Click to expand...

These *should* work perfectly, thank you! Have you tested them?
 
Docmudkipz said:
Yeah i've run the top one thru a couple of gifs and they work fine, and the bottom one works in the same way
Click to expand...
Maybe you could add a simple check? If the resulting file size is bigger than 50MB, just delete it and spit out an error. Not sure how to do this in batch however.
 
Here's the scripts with the check, I may have gotten to byte number wrong, someone will need to check me since Windows runs by 1024 bytes/kb etc.(I can't remember the base for the life of me) but it will delete the generated file if it exceeds 52428800b/50mb.
 
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Docmudkipz said:
Here's the scripts with the check, I may have gotten to byte number wrong, someone will need to check me since Windows runs by 1024 bytes/kb etc.(I can't remember the base for the life of me) but it will delete the generated file if it exceeds 52428800b/50mb.
Click to expand...

Yeah that's the right size. Updated the OP and thanks a lot!
Gonna get some sleep now...
 
Docmudkipz said:
Here's the scripts with the check, I may have gotten to byte number wrong, someone will need to check me since Windows runs by 1024 bytes/kb etc.(I can't remember the base for the life of me) but it will delete the generated file if it exceeds 52428800b/50mb.
Click to expand...
how about like this? I've just simply merged your nice code! 2in1!

Code: 
@ECHO OFF
set maxbytesize=52428800
@echo For Top Screen:400x240, For Bottom Screen:320x240
set /p size=Enter screen size:
@echo Enter your GIF file name and output File name.
set /p gif=Input File Name (eg: xxxxxx.gif):
set /p out=Output File Name (anim or bottom_anim):
ffmpeg -i %gif% -s %size% input_resized.gif
ffmpeg -i "input_resized.gif" -r 10 -pix_fmt bgr24 -vf "transpose=1" output.rgb
rename output.rgb %out%
del input_resized.gif
for %%A in (%out%) do (
    echo Size of "%%A" is %%~zA bytes 
    if %%~zA GTR %maxbytesize% (
        cls
    echo "Your file exceeds the 50mb size limit, try a different gif(Preferably shorter)."
    del anim
    pause >nul
    exit
    ) else (
    exit
    )
)
 
Februarysn0w said:
how about like this? I've just simply merged your nice code! 2in1!

Code: 
@ECHO OFF
set maxbytesize=52428800
@echo For Top Screen:400x240, For Bottom Screen:320x240
set /p size=Enter screen size:
@echo Enter your GIF file name and output File name.
set /p gif=Input File Name (eg: xxxxxx.gif):
set /p out=Output File Name (anim or bottom_anim):
ffmpeg -i %gif% -s %size% input_resized.gif
ffmpeg -i "input_resized.gif" -r 10 -pix_fmt bgr24 -vf "transpose=1" output.rgb
rename output.rgb %out%
del input_resized.gif
for %%A in (%out%) do (
    echo Size of "%%A" is %%~zA bytes
    if %%~zA GTR %maxbytesize% (
        cls
    echo "Your file exceeds the 50mb size limit, try a different gif(Preferably shorter)."
    del anim
    pause >nul
    exit
    ) else (
    exit
    )
)
Click to expand...

That works perfectly, but I'd rather use two scripts in orded to keep n00b mistakes away. Still, thanks a lot for your interest, and maybe I'll add something like this once the project mature more!
 
Last edited by Wolfvak,
Docmudkipz said:
Heres a couple of really super simple bat files that accept input.gif and resizes, converts and renames to anim and and bottom_anim respectively. Should work fine if you have ffmpeg in your PATH or in the directory
Click to expand...
if it uses gifs why do we need FFMPEG as well?
 
Februarysn0w said:
how about like this? I've just simply merged your nice code! 2in1!

Code: 
@ECHO OFF
set maxbytesize=52428800
@echo For Top Screen:400x240, For Bottom Screen:320x240
set /p size=Enter screen size:
@echo Enter your GIF file name and output File name.
set /p gif=Input File Name (eg: xxxxxx.gif):
set /p out=Output File Name (anim or bottom_anim):
ffmpeg -i %gif% -s %size% input_resized.gif
ffmpeg -i "input_resized.gif" -r 10 -pix_fmt bgr24 -vf "transpose=1" output.rgb
rename output.rgb %out%
del input_resized.gif
for %%A in (%out%) do (
    echo Size of "%%A" is %%~zA bytes
    if %%~zA GTR %maxbytesize% (
        cls
    echo "Your file exceeds the 50mb size limit, try a different gif(Preferably shorter)."
    del anim
    pause >nul
    exit
    ) else (
    exit
    )
)
Click to expand...

Aha! I streamlined it even further by allowing the user to drag and drop the gif onto the bat and choose top or bottom.
Code: 
@ECHO OFF
set maxbytesize=52428800
CHOICE /M "Press A for top screen or B for bottom screen" /C:ab
IF ERRORLEVEL 2 GOTO bot
IF ERRORLEVEL 1 GOTO top

:top
set filename=anim
ffmpeg -i %1 -s 400x240 input_resized.gif
ffmpeg -i "input_resized.gif" -r 10 -pix_fmt bgr24 -vf "transpose=1" output.rgb
rename output.rgb anim
del input_resized.gif
for %%A in (%filename%) do (
  echo Size of "%%A" is %%~zA bytes
  if %%~zA GTR %maxbytesize% (
  cls
   echo "Your file exceeds the 50mb size limit, try a different gif(Preferably shorter)."
   del anim
   pause >nul
   exit
  ) else (
   exit
  )
)

:bot
set "filename=bottom_anim"
ffmpeg -i %1 -s 320x240 Botinput_resized.gif
ffmpeg -i "botinput_resized.gif" -r 10 -pix_fmt bgr24 -vf "transpose=1" bot_output.rgb
rename bot_output.rgb bottom_anim
del Botinput_resized.gif
for %%A in (%filename%) do (
  echo Size of "%%A" is %%~zA bytes
  if %%~zA GTR %maxbytesize% (
  cls
   echo "Your file exceeds the 50mb size limit, try a different gif(Preferably shorter)."
   del anim
   pause >nul
   exit
  ) else (
   exit
  )
)

Wolfvak said:
That works perfectly, but I'd rather use two scripts in orded to keep n00b mistakes away. Still, thanks a lot for your interest, and maybe I'll add something like this once the projects matures more!
Click to expand...

Should be nearly foolproof now

Mr.ButtButt said:
if it uses gifs why do we need FFMPEG as well?
Click to expand...
From what I understand is that the payload is made to read a simple animation format at 10 fps and we're using ffmpeg to resize a gif animation and convert it to a payload readable format at the target framerate
 

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Last edited by Docmudkipz,
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Docmudkipz said:
Aha! I streamlined it even further by allowing the user to drag and drop the gif onto the bat and choose top or bottom.
Code: 
@ECHO OFF
set maxbytesize=52428800
CHOICE /M "Press A for top screen or B for bottom screen" /C:ab
IF ERRORLEVEL 2 GOTO bot
IF ERRORLEVEL 1 GOTO top

:top
set filename=anim
ffmpeg -i %1 -s 400x240 input_resized.gif
ffmpeg -i "input_resized.gif" -r 10 -pix_fmt bgr24 -vf "transpose=1" output.rgb
rename output.rgb anim
del input_resized.gif
for %%A in (%filename%) do (
  echo Size of "%%A" is %%~zA bytes
  if %%~zA GTR %maxbytesize% (
  cls
   echo "Your file exceeds the 50mb size limit, try a different gif(Preferably shorter)."
   del anim
   pause >nul
   exit
  ) else (
   exit
  )
)

:bot
set "filename=bottom_anim"
ffmpeg -i %1 -s 320x240 Botinput_resized.gif
ffmpeg -i "botinput_resized.gif" -r 10 -pix_fmt bgr24 -vf "transpose=1" bot_output.rgb
rename bot_output.rgb bottom_anim
del Botinput_resized.gif
for %%A in (%filename%) do (
  echo Size of "%%A" is %%~zA bytes
  if %%~zA GTR %maxbytesize% (
  cls
   echo "Your file exceeds the 50mb size limit, try a different gif(Preferably shorter)."
   del anim
   pause >nul
   exit
  ) else (
   exit
  )
)



Should be nearly foolproof now


From what I understand is that the payload is made to read a simple animation format at 10 fps and we're using ffmpeg to resize a gif animation and convert it to a payload readable format at the current maximum framerate
Click to expand...
MUCH better, gonna update the OP *again*

--------------------- MERGED ---------------------------

Mr.ButtButt said:
if it uses gifs why do we need FFMPEG as well?
Click to expand...
It uses ffmpeg to convert to the necessary format. Input can be a GIF as well as any format ffmpeg uses, like MP4. Just keep in mind that you can't just convert a 30 minute video to one of these animations XD
 
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