I wonder if it could also be related to a mismatch between audio driver and video driver? does *SDL_VIDEODRIVER*=directx also fix things?
On Sun, Apr 20, 2008 at 8:23 PM, etrek <[EMAIL PROTECTED]> wrote: > Yeah, don't mess with your DirectX 8 setup. > > I tried setting the env var SDL_AUDIODRIVER=waveout as you mentioned in > your previous email. Yes it does clear up the audio in Pygame. I'm still > new to Pygame/SDL, > so correct me if I'm wrong: Setting this variable to wavout causes Pygame > Mixer > to use software audio instead of hardware? > > While the crackling noise is gone, there is a slight delay now in > bouncesound.py (Chap 10) > when the ball hits the ground/wall and the bounce sound plays. > > Do you have Pygame 1.8 on your Win98 machine? > > Let me know if I can help or anything I can do. Just keep in mind that > I'm new > to Python/Pygame; I'm starting to play around with Boost.Python. > > -Ethan > Python ROCKS! > > > > > ----- Original Message ----- From: "Lenard Lindstrom" <[EMAIL PROTECTED]> > To: <pygame-users@seul.org> > Sent: Sunday, April 20, 2008 6:34 PM > Subject: Re: [pygame] Pygame Mixer Crackle noise not an SDL_Mixer problem > > > I tried jukebox.py on my slow Windows 98 computer with DirectX 8 and it > sounded > fine. I also altered waveIt to initialize SDL like Pygame would: > > SDL_Init(SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE); > SDL_InitSubSystem(SDL_INIT_VIDEO); > SDL_InitSubSystem(SDL_INIT_AUDIO); > > This also sounds fine on the XP machine. I also reversed the order of > video/audio initialization. So that leaves these three factors: Windows > XP/Vista, Pygame 1.8 and DirectX 9. I am hesitant to install DirectX 9 on > my > Windows 98 box in case it breaks everything and I am unable to revert back > to > DirectX 8. So I am out or ideas for the moment. > > Lenard > > > Quoting Lenard Lindstrom <[EMAIL PROTECTED]>: > > > > Thanks. I tried the jukebox.py example. It sounded awful (getout.ogg). > > > > Python 2.5 > > Pygame 1.8.1pre > > XP Professional (51., Build 2600) > > Dell DM051 > > Phoenix ROM BIOS PLUS Version 1.10 A05 > > Intel Pentium D CPU 2.80GHz (2 CPUs) > > 1014MB RAM > > DirectX 9.0c (4.09.0000.0904) > > Intel 82945G Express Chipset Family video (Internal) 224.0 MB > > SigmaTel Audio > > > > It crackled and played at half-speed. Changing the audio driver to > > waveout > > "set > > SDL_AUDIODRIVER=waveout" cleared everything up. Could it be a DirectX 9 > > problem > > (not properly DirectX 5 compatible). I will try this on my Windows 98 > > Dell > > with > > DirectX 8 for comparison. > > > > One thing I noted, Pygame initializes the video and audio separately > > while > > all > > the C/C++ programs I have seen so far do everthing in the call to > > SDL_Init. I > > > > will try instializing SDL subsystems instead to see what happens. > > > > Lenard > > > > > > > > > > Quoting etrek <[EMAIL PROTECTED]>: > > > > > Hi Lenard, > > > You can download the media/Pygame scripts for the Book from: > > > http://apress.com/book/downloadfile/3765 > > > > > > Chapter 10 has the audio example scripts; a bouncing balls script, and > > a > > > jukebox.py script that plays .ogg files. > > > The jukebox.py script is very simple, it comes with "please put some > > > .ogg > > > file in the music folder", you can add the getout.ogg file to the > > media > > > folder for the jukebox. > > > > >
