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Re: [pygame] vista testing...
Thanks for your testing Bo.
I guess if you used 1024 * 3 * 2 for 44K sound then it wouldn't be
scratchy too. This is because you need twice the buffer size to avoid
scratchyness as compared to 22K sound - which is half the size of the
44K sound.
Thanks for the tip about the Sound object not raising an exception.
I'll add a few more unit tests for the sound stuff.
cheers,
On Mon, Mar 24, 2008 at 8:27 AM, Bo Jangeborg <bo@xxxxxxxxxxx> wrote:
> The buffer setting doesn't seem to make a differens.
> The key seem to be the sampling rate. Lots of scratching at 44k sound
> but OK at 22k. But even then I get scratches if I start some way into
> the music
> rather then at the start. The later problem I had in pygame 1.7 too.
>
> In pygame 1.7 music worked OK in Vista at 44k.
> I have tried both ogg and mp3 in pygame 1.8.
> Have you tried playing music at 44k on XP machines? Maybe this is a more
> general problem.
>
> Another thing that seem to have changed is that if a path to a sound file
> is wrong it doesn't cause an exception. Instead it returns an empty
> sound object..
> Is that really intended ?
>
>
>
> René Dudfield skrev:
>
>
> > yeah, I think generally increasing the buffer size helps people.
> >
> > For rc5 I increased the default buffer size to 1024 * 3... which has
> > worked in the past to fix things up on most peoples computers.
> >
> > Unfortunately increasing it over 3*1024 starts to make the sound lag
> > noticable... at least to me. So I think it will have to be a per
> > game, or per user setting until it gets fixed propperly.
> >
> >
> > If someone could lodge a bug report at:
> > http://bugzilla.libsdl.org/
> >
> > That would be greatly appreciated.
> >
> > I think it's best to fix this properly in SDL_mixer... but for now the
> > work around is to increase the default buffer size on a per computer
> > basis.
> >
> > cheers,
> >
> >
> >
> > On Sun, Mar 23, 2008 at 8:54 AM, FT <chester_lab@xxxxxxxx> wrote:
> >
> >> Hi!
> >>
> >> I think there was also an issue of pre-init for any init would wipe out
> >> any settings. So the pre-init was setup to prevent the loss of any settings
> >> besides the size of the buffer to hold the data. The issue comes up all the
> >> time and is in the specs on the mixer and sound. Where it recommends
> >> increasing the buffer size and warns about the init of pygame and any mixer
> >> settings.
> >>
> >> Bruce
> >>
> >>
> >>
> >>
> >> Did you get scratchy sound playback with the same application on the
> >> same computer but pygame 1.7?
> >>
> >> does it make a difference if you set the SDL_AUDIODRIVER environment
> >> string to waveout ?
> >>
> >> On Sat, Mar 22, 2008 at 6:37 AM, Bo Jangeborg <bo@xxxxxxxxxxx> wrote:
> >> > I have just tried the RC5 build from
> >> > http://www3.telus.net/len_l/pygame.htm .
> >> > Graphicly everything seem to work well so far but the music output
> >> > sounds really awful. Very scratchy sound.
> >> > I am running on python 2.5 , Windows Vista, and the machine is
> >> > an Intel core 2 cpu 6700 2.66 Ghz. Soundcard is a Soundblaster X-Fi.
> >> >
> >> > My standard setting is pygame.mixer.pre_init(44100, -16, 2, 2048)
> >> > Been trying different setting but it does not sound good, default
> >> settings
> >> > was a bit better but still very scratchy. Any ideas ?
> >> >
> >> > Regards
> >> > Bo Jangeborg
> >> >
> >>
> >>
> >>
> >>
> >> --
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> >> 5:52 PM
> >>
> >>
> >>
> >
> >
>
>