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It looks like the music you are playing is 22050 hz while the audio callback runs at 44100. That would cause the sounds to play at double speed. You will probably need to resample it to 44100 for it to sound right.

-Louie

I think sceCtrlReadBufferPositive(&pad, 1) syncs your controller input to the VSync and sceCtrlPeekBufferPositive(&pad, 1) does not. That might also lock your framerate to 60fps max.

-Louie

Has anyone been sucessful in using a custom font with the GU Text sample? I have tried the bitmapfontbuilder program hinted to at this thread: http://forums.ps2dev.org/viewtopic.php?t=6250 but I cannot get it to display anything but corrupted graphics. If you have any idea on how to correctly create...

That looks great! I love that game!

AnonymousTipster wrote:Hope this helps somewhat.

That code ROCKS! Works perfectly!

It loaded on a 2.6 using eMenu!!! Good work!!!

my program gets audio artifacts too when I try to do a lot of calculations and can't fill the buffer. I optimized a lot of my code using tips from this site and it helped a lot. I was doing a lot of calculations/loops when I didn't need to. http://bdn.borland.com/article/0,1410,28278,00.html make su...

I am using a similar callback and I reset the audio buffer to 0 and then return if a sound is not playing. It looks something like this: if &#40;!soundplaying&#41; &#123; for &#40;i=0; i<length; ++i&#41; &#123; buf&#91;i * 2&#93; = 0; buf&#91;i * 2 + 1&#93; = ...

The PSP Rhythm audio sample engine works on one audio channel. It has a basic mixer that mixes samples into the audio callback. it was loosely based off of the drumpiler code off of source forge. http://drumpiler.sourceforge.net/. My samples have a struct with a variable that tells the mixer if a so...

I attempted to rebuild the audio engine for PSP Rhythm using double buffers and that didn't work either. What I had to do is use the audio callback to time my audio engine so it would put sample in exactly when it needed to. Maybe you need to try something like that. What does the data look like whe...

i solved editing libito bmp loader if you want i'll be pleased to post code if is needed thxs a lot for support guys I just read this post and i am trying to do the same thing and load a bmp for displaying in my program. my code is very bad but it loads the image colors are wrong because it is in r...

Yes you can have multiple sounds play on one audio channel. check out the WAVLoader software on this site http://labs.wonderbyte.com/.
That loader will load the wave files into memory so you don't need to convert it to C.

thanks, that does help

Has anyone figured out how to use the psprtc.h include? I am trying to overcome some timing issues I am having with the clock() function in time.h. The sceRtcGetCurrentTick(u64 *tick) function looks promising but I don't know exactly how to use it.

-Louie

Is there a library out there that can do it? I am using the pg.c from hello world and that only seems to be able to show 16bit graphics.

Does anyone have a piece of code that can write to a file on the memory stick from an array and them read it back into an array?