Re: playing mp3 files within windows

Yes, RETURNVALUE is a poorly named value for callback address (if you need to
see events for one reason or another). I've rarely used it for anything. The
return string is used in retrieving information about devices. (if you have
more than one microphone, for example, you could query the different device
names). If you browse the link that Leon provided, you can find the complete
reference of commands you can use.

Thanks,

- Tom Dixon

Quoting Leon Wagner <leon_at_forth.com>:

> I just happened to be here converting French radio broadcasts into MP3
> files, so I thought I'd give it a try. First of all, don't forget to read
> the documentation about the functions you're trying to use:
>
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/multimed/ht
> m/_win32_mci_functions.asp
>
> Not sure what you think the purpose is for the parameter RETURNVALUE, but it
> is not what the name implies. That parameter is supposed to be for a
> callback address (or good old NULL if none). And you don't need
> RETURNSTRING if you're not expecting (or don't care about) a returned
> string.
>
> This worked the first time on my machine (Windoze XP SP2):
>
> LIBRARY WINMM.DLL
> 4 IMPORT: mciSendString
>
> Z" PLAY C:\TEMP\JOURNAL.MP3" 0 0 0 mciSendString
>
> And to stop it:
>
> Z" CLOSE C:\TEMP\JOURNAL.MP3" 0 0 0 mciSendString
>
>
>
> > -----Original Message-----
> > From: sftalk-bounce_at_forth.com [mailto:sftalk-bounce_at_forth.com]On Behalf
> > Of Tom Dixon
> > Sent: Saturday, October 16, 2004 12:06 PM
> > To: sftalk_at_forth.com
> > Subject: [sftalk] Re: playing mp3 files within windows
> >
> >
> >
> > Greetings,
> >
> > I've found out how to do it a long time ago. Basically you can
> > use the windows
> > MCI api. I suspect that all your mp3 players use the same api as
> > well. I've
> > used it for much more as well - I've played avi files to the
> > console and all
> > sorts of things, so you have access to alot more than just mp3
> > and wave. Here
> > is the sample:
> >
> > \ how to play an mp3 file in 6 lines of code
> > library winmm.dll
> > 4 import: mciSendString
> > create returnstring 256 allot
> > 0 value returnvalue
> > : mcicommand returnstring 255 returnvalue mciSendString ;
> >
> > an example would be: z" play c:\mymp3.mp3" mcicommand
> > and you should hear something.
> >
> >
> > -Tom Dixon
> >
> >
> > Quoting Roger Dube <rogerdube_at_dathq.com>:
> >
> > > I know how to play wav files using a Windows api, such as:
> > >
> > > ABSENT PlaySound [IF] LIBRARY WINMM.DLL
> > >
> > > 3 IMPORT: PlaySound [THEN]
> > >
> > > : tada ( --)
> > > z" c:\windows\media\tada.wav" 0 SND_FILENAME SND_SYNC OR
> > PlaySound DROP ;
> > >
> > > Has anyone been successful in finding a way to play an mp3 file
> > in a similar
> > > fashion? The standard shell commands to mp3 players usually
> > have windows
> > > that pop up during play, whereas the above plays without any window
> > > distracting the operator.
> > >
> > >
> > > -- Roger
> > > --------------------------------------------
> > > Dr. Roger Dube
> > > President and Chief Science Officer
> > > Digital Authentication Technologies, Inc.
> > > 561.392.7404 (office)
> > > 561.892.2474 (eFax)
> > > RogerDube_at_datHQ.com
> > >
> > > http://www.datHQ.com
> > >
> > > PO Box 811564
> > > Boca Raton, FL 33481-1564
> > >
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