Re: File Format

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



I bet there is no native PHP methods for that kind of file, but you can easily check the headers of wave file , you need to have a specification or at least have 3 wave files of PCM and CCITT , compare the first 100 characters of that file, and you will get the clue
and logic how to recognize one from the other.
in PHP open a file read 100++ bytes and apply a logic to distinguish formats.

After that you can use some external program to convert from one format to other eg

<?php

system(' wavconvert_to_CCITT.exe  some_pcm.wave  ')  ;
?>




On Apr 11, 2008, at 9:20 PM, admin@xxxxxxxxxxxxxxxxxxx wrote:

Wave editor?
Here is my dilemma.

In php I have written a script to upload a wave file to the server for the C Sharp application to use. No problems on upload or streaming from the file to the web. My issue comes when the format of the wave file is PCM and not CCITT u-Law. The device cannot play a PCM formatted wave file. Problem comes in when the end user just picks a wave file to use for this option and does not have the format correct.

Is there a wave format change option in php?
Has or does anyone know of a solution in php for this?
Is there a way I can check the format of the wave file before uploading?



Richard L. Buskirk

--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php


Igor Jocic
http://www.carster.us/





[Index of Archives]     [PHP Home]     [Apache Users]     [PHP on Windows]     [Kernel Newbies]     [PHP Install]     [PHP Classes]     [Pear]     [Postgresql]     [Postgresql PHP]     [PHP on Windows]     [PHP Database Programming]     [PHP SOAP]

  Powered by Linux