FMOD/BASS/OpenAL Question

chris319 · Post by **chris319** » Tue Oct 16, 2007 4:45 pm

Which if any of FMOD, BASS or OpenAL supports 24-bit audio capture (recording)?

Thanks.

Fluid Byte · Post by **Fluid Byte** » Tue Oct 16, 2007 4:47 pm

That is a question related to PureBasic? You should better seek info on the corresponding site of the developer.

Post by **freak** » Tue Oct 16, 2007 5:27 pm

I did a small project using the PortAudio library recently ( http://www.portaudio.com/ )
It has a quite simple API and allows a number of formats for recording/playback.

I can provide a compiled .lib and includefile for Windows if you want.

chris319 · Post by **chris319** » Tue Oct 16, 2007 6:24 pm

Sure, I'll take a look at your PortAudio stuff. Is it based around PureBasic, C or some other? I tried dealing with PortAudio in C and could not get it to compile, and the user community was of no help whatsoever.

How do we get this from you to me?

eriansa · Post by **eriansa** » Tue Oct 16, 2007 6:47 pm

freak wrote:I did a small project using the PortAudio library recently ( http://www.portaudio.com/ )
It has a quite simple API and allows a number of formats for recording/playback.

I can provide a compiled .lib and includefile for Windows if you want.

I would like to see that!

byo · Post by **byo** » Tue Oct 16, 2007 9:03 pm

I'm interested as well.

.

chris319 · Post by **chris319** » Tue Oct 16, 2007 10:04 pm

Perhaps PortAudio should be part of PureBasic?

Post by **freak** » Tue Oct 16, 2007 10:17 pm

We cannot make any 3rd party lib a part of PB... we'd be on it forever...
Its really not too hard to import C libraries with the Import feature from PB4.

Here is my stuff:
http://freak.purearea.net/stuff/PortAudioPB.zip

It includes an import library, a dll (you will require the dlls, the .lib contains no real code)
and an includefile for PortAudio and for libsndfile (simple wave saving/loading)
Both are straight compilations with Visual Studio of the packages found on their website.
Both are projects aimed at crossplatformness, so it should be quite simple to also get a compilation for Linux.

The example simply does some recording in 16bit stereo into a big buffer
(stops when the buffer is full after ~1 minute).
Then it saves the stuff to disk as a wave file.

For a real program, one big buffer is probably a bad idea. What i do is use a list
of memory buffers which get cycled, so while the main program is saving
one buffer, the recording callback can fill another one.

Just read around a bit on the PortAudio wiki (tutorials etc). The documentation
is not the very best. But then, there are not that many commands, so
you should get the idea pretty quickly.

I hope this is helpful...

chris319 · Post by **chris319** » Tue Oct 16, 2007 11:25 pm

Thanks. I will let you know if I have success with this.

chris319 · Post by **chris319** » Wed Oct 17, 2007 12:11 am

Here is a very useful overview of PortAudio:

http://www.audiomulch.com/~rossb/writin ... mc2001.pdf

chris319 · Post by **chris319** » Wed Oct 17, 2007 7:19 am

freak -

This PortAudio implementation is pretty cool! Thanks a million times over for sharing it! I am just now starting to play around with it. So far it works!

My goal is to incorporate it into this little program here:

http://www.purebasic.fr/english/viewtopic.php?t=7009

DoubleDutch · Post by **DoubleDutch** » Wed Oct 17, 2007 12:08 pm

Generated sound is great for re-creating classic video games. Maybe (on the official PureBasic website) there should be downloads such as this, but with the clear notice that they are not supported.

eriansa · Post by **eriansa** » Wed Oct 17, 2007 1:33 pm

freak wrote:I hope this is helpful...

Thanks a lot!
Asio implementation is so easy with this lib...
If only I knew that a year ago

chris319 · Post by **chris319** » Fri Nov 09, 2007 3:26 pm

Could someone who is working with PortAudio on PB 4.10 please check to see if the function Pa_Initialize() still works under Windows XP? It works for me under Windows Vista but crashes when the same source code is run on XP. I'm wondering if something about the Vista compatibility in 4.10 has broken this code under XP.

Thank you.

eriansa · Post by **eriansa** » Sat Nov 10, 2007 1:56 pm

Portaudio is working great under XP