JavaProgrammer

What is the best (or a good) way of getting sample data into an mxj~ object? Clearly I can write a method to read .wav files from disk and return the contents. But I'm guessing that there will be a way to get Max to load the file, allowing a greater range of formats and getting Max to search for the file.

getting-sample-data-into-java

Hmmm.... I'm having a bit of trouble finding documentation for MSPBuffer. I've got the list of methods, but no description of what the methods do.

Reverse engineering buf.Op, it looks like MSPBuffer has methods that affect existing buffer~ objects. So, I'd have a named buffer~ in my patch. (I could hide it on lock if I wanted to). If the buffer~ object has audio data loaded, then there are loads of static methods to access (and modify) the contents of the buffer, identifying the buffer through the named first argument.

I can't see a direct way of asking a buffer to load in a named file. A java program could have an outlet linked to the buffer's input, and send appropriate messages. Once the data is loaded, then it could be read.

Taking a closer look at the documentation i found the AudioFileBuffer class which seems to use java.audio.

The javadocs for it can be found in your Max application folder.

I've recently been wrangling java audio input streams from msp buffers for use with other java library methods, my code is now on sourceforge if you want an example

https://sourceforge.net/projects/mp7encmax

http://mp7encmax.svn.sourceforge.net/viewvc/mp7encmax/trunk/eclipse/

it's still alpha but it works (with path difficulties on the mac), it gathers mpeg7 audio metadata and does segmenting stuff on audio check the .maxhelp for features if you manage to get the latest .classes to work on your setup

Getting sample data into Java