Solved: How To Get The Length Of An MP3 File (in milliseconds)?

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alex67500

How To Get The Length Of An MP3 File (in milliseconds)?

im looking for a function or procedure that would get the length of an mp3 file in milliseconds (so that i could use it with a timer to play the next song when the previous one is finished)

function getlength(filename):integer

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alanwhincup

I would say that the easiest way to do this is to chuck a TMediaPlay component on a form and then use it to open up the MP3 and then just read MediaPlayer.Length for the duration of the file.

Cheers,

Alan

cjonash

If you are using the TMediaPlay component, you can also use a thread or a timer with fixed time, and on a regular interval check the status property of the player. That way, you will know when the media is stopped, and can then load and start the next one.

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d32coder

There is a calculation you can do with the MP3 Filesize and BitRate (such as 128 kps). The BitRate data is saved in the MP3 tag. I dont know the exact math but it's a good starting point without actually loading the mp3.

Don

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