Tutorials

Monday, August 8, 2011

Porting

database config : wp-config.php
SELECT *
FROM `wp_options`
WHERE option_name
IN (
'siteurl', 'home'
);
change site url in db:
update wp_options` set `option_value` = 'wp_base_url' where option_name in('siteurl','home');
if required,change RewriteBase in .htaccess

http://gathadams.com/2007/06/18/how-to-write-a-facebook-application-in-10-minutes/

http://developers.facebook.com/docs/guides/canvas/#config

To set up your Canvas Page and Canvas URL you must first register your Facebook app (verify with mobile phone)and enter in your basic app information. With that complete, click the "Facebook Integration" tab on the left side of the configuration screen and specify a Canvas Page and Canvas URL:

convert the required files to mpg first
use any of the tricks in http://txpress.blogspot.com/2007/01/join-multiple-video-mpg-files-in.html
and change it to flv ffmpeg -i kilichundan_mambazham4.mpg kilichundan_mambazham4.flv

php ffmpeg: http://forums.about.com/n/pfx/forum.aspx?tsn=1&nav=messages&webtag=ab-php&tid=274
sample ffmpeg commad: http://stackoverflow.com/questions/43890/crop-mp3-to-first-30-seconds
phpclass: http://www.phpclasses.org/package/3747-PHP-Manipulate-and-convert-videos-with-ffmpeg-program.html

Batch operations example

:: http://backroom.bostonproductions.com/?p=378
:: save this as doConvert.bat and CALL this batch file as
:: for %i IN (*.flv) DO (doConvert.bat %i)

IF EXIST %~d1%~p1%~n1.mp3 GOTO exit

@echo ————————— >> "%~d1%~p1%convert.log"
@echo Conversion for %1 started on %DATE% %TIME% >> "%~d1%~p1%convert.log"

ffmpeg -i %~d1%~p1%~n1.flv -ss 60 -t 30 samples/%~n1_sample.mp3

@echo ————– DONE – SUCCESS ———————- >> "%~d1%~p1%convert.log"

:exit
@echo ——————————– >> “%~d1%~p1%convert.log”
@echo “%~d1%~p1%~n1.jpg” already exists >> “%~d1%~p1%convert.log”

CROPPING:
http://ffmpeg.org/ffmpeg-doc.html#SEC74
ffmpeg -i fullmovie.mpg -vf "crop=in_w-2*10:in_h-2*30" fm.mpg

Crop syntax is:
crop=width:height:x:y

so to chop 10 pixels from bottm

so you simply need to specify
crop=in_w:in_h-10:0:0