php + ffmpeg + feedback?

[nicholasstephan]

Hey,

 

I'm using flash to call a php script that in tern calls ffmpeg to convert some video. It all works great, except I can't get ffmpeg to give me any kind of status reporting. How do I know when ffmpeg has finished processing the video? Right now the task just ends and there's a broken link on my page for a couple of minutes while ffmpeg does it's thing...

[trq]

Are you using the ffmpeg extension or simply calling the ffmpeg command somehow? Can we see some code?

[nicholasstephan]

yeah... I think I found this function on here (or something like it anyway)...

 

$movieOptions['f'] = "flv" ;

$movieOptions['b'] = "100k" ;

$movieOptions['ab'] = "32k" ;

$movieOptions['ac'] = "1" ;

.

.

.

 

buildExec($movieOptions, $movieName . ".flv") ;

 

function buildExec($optArr, $outFile) {

$exec = "/usr/local/bin/ffmpeg " ;

foreach($optArr as $option => $value) {

$exec .= "-" . $option . " " . $value . " " ;

}

$exec .= $outFile ;

$outArr = Array() ;

$code = "" ;

exec($exec, $outArr, $return_var) ;

}

 

 

what I'd like to do is set up a php/flash socket so I can put up some kind of progress indicator... but to do that I need exec to either throw progress events or be able to query the operation somehow.

 

 

thanks

[trq]

Your not going to be able to get real time reporting, the last argument (to exec) however will give you the exit status of the executed command.

[nicholasstephan]

yeah - I used $return_var for testing, but it only seems to tell me whether or not the command was valid, or any errors that cropped up. Even if I can't get real-time reporting, is there a way I can check see if it's done (other than an infinite loop to see if the file is there and not 0kb)?

 

you mentioned an ffmpeg extension (something I haven't even looked at). Would this be a better option? If so, can you point me towards some documentation or tutorials?

 

 

thanks again

[corbin]

Looping is pretty much the only way if you're going to use the ffmpeg CLI.

 

 

I found a PHP extension with google, but it doesn't look like it converts.  I think it just says info.

 

http://ffmpeg-php.sourceforge.net/

 

 

Don't know if it's any good or not.

[trq]

is there a way I can check see if it's done

 

exec will return control to your main program when the command has finished.

[corbin]

Oh yeah.... I'm used to people doing it with cron jobs in the background.  x.x.