Re: [pygame] seeking in a .WAV with pygame.mixer.music? and "pynudge"

[Rene Dudfield <renesd@xxxxxxxxx>]

If you don't care too much about ram, you can load the whole wav as a Sound.

On 7/15/05, andrew baker <failrate@xxxxxxxxx> wrote:
> That's interesting work.  How do you access the actual sound data to
> do transformations.
> 
> On 7/14/05, James Hofmann <jwhinfinity@xxxxxxxxx> wrote:
> > I wrote a program with pygame that lets the user
> > record beat markings while a song plays, so that an
> > exact beat for songs recorded without stable
> > timekeeping can be used in music games such as
> > Stepmania.
> >
> > The first version of this worked reasonably well - I
> > slowed down the music to around 70-80% speed first
> > with Audacity, then ran the program with the slowed
> > down file. The timings were multiplied back to normal
> > and converted to BPMs, and the song played well
> > in-game - except for the parts where I made mistakes
> > recording, and how note movement would slow and speed
> > up with each beat. (the latter being more of a game
> > problem than my problem)
> >
> > For the revamped second version, "pynudge," I'm giving
> > visual indication of the beats like in an actual music
> > game, and making it so that you can nudge around each
> > beat manually and re-record sections. Things have gone
> > well so far, but the latter parts of nudging and
> > re-recording require me to start the song in the
> > middle.
> >
> > The problem I've encountered in doing this is that
> > pygame(and possibly SDL_mixer) doesn't let you use the
> > play function's startpos parameter with a .WAV file.
> > It's apparently unsupported. I'll admit that I haven't
> > tried loading an MP3 or OGG yet, which the
> > documentation says is explicitly supported.....but
> > even if that works it seems like a pretty arbitrary
> > restriction; it would force me to re-encode my
> > slowed-down song again.
> >
> > I've looked at pymedia as well, but I don't see a
> > tutorial or code for it that says "this is exactly how
> > you seek through some audio."
> >
> >
> >
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> 
> 
> --
> Andrew Ulysses Baker
> "failrate"
>