Is it possible to send FFMPEG output to a php file?

I want to send ffmpeg output to a php file so I can use a regex and update the output into a database. This will allow me to handle progress for multiple uploads. Does anyone know how to do this? Can it be done? Currently I can execute a php file with parameters after the ffmpeg command, and get ffmpeg to write to a txt file but can I send the output to the php file and execute it?

execute php file with parameters

&& php /opt/lampp/htdocs/xampp/site/update_db.php ".$parameter1." ".$parameter2.";

Write output to txt file

ffmpeg command and filepath to converted  1> /home/g/Desktop/output.txt 2>&1

Can something like 开发者_如何学JAVAthis be done?

ffmpeg command and filepath to converted   1> php /opt/lampp/htdocs/xampp/site/update_db.php ".$output." 2>&1

Yes, you can read STDIN.

http://php.net/manual/en/features.commandline.io-streams.php

If it were me, I'd just execute FFMPEG from within PHP. You have a bit more flexibility that way, but I know that isn't desirable for every application.

You could use exec to call ffmpeg, then use the content of the output parameter to get returned output.

But doing so only allow you to get the output once the program execution is terminated:

If a program is started with this function, in order for it to continue running in the background, the output of the program must be redirected to a file or another output stream. Failing to do so will cause PHP to hang until the execution of the program ends.