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Article View: borland.public.cppbuilder.nativeapi
Article #7818

Re: How to add audio data into AVI file

#7818
From: sky
Date: Tue, 21 Dec 2004 09:00
60 lines
2816 bytes
Dear Mark

Thank you for your answer,

I have succeeded in recording with MCI command,
now I want to learn how to use waveIn...
could you give me any hint or a sample(record in AVI)?

many thanks in advanced
sky


"Mark Jacobs" <http://www.jacobsm.com/mjmsg?Borland%20Newsgroup> д���ʼ�
news:41c6f8cf$1@newsgroups.borland.com...
> Have a look at MCI command strings reference and this helper function :-
>
> bool mjdomcicmd(AnsiString cmd,bool shwres,AnsiString cmp)
> {
>   char erst[9999]; erst[0]='\0';
>   int mcierr=mciSendString(cmd.c_str(),erst,9990,NULL);
>   if (mcierr!=0) { mciGetErrorString(mcierr,erst,9990);
> ShowMessage(AnsiString(erst)); return false;}
>   else if (erst[0] && !cmp.IsEmpty()) return
> (AnsiString(erst).LowerCase()==cmp.LowerCase());
>   else if (erst[0] && shwres) ShowMessage(AnsiString(erst));
>   return true;
> }
>
> and use for example is :-
>
> mjdomcicmd("open new type waveaudio alias phsnd wait",false,"");
>
> MCI is easier to handle than waveIn etcetera, especially when it comes to
> video mixing. Have a look at the "setaudio" MCI command to see what I mean
by
> easier.
> -- 
> Mark Jacobs
> DK Computing
> http://www.dkcomputing.co.uk
>
> "sky" <huangc@motic.com> wrote in message
> news:41c69692$1@newsgroups.borland.com...
> | I need capture my digital-camera data into a AVI file, the push mode was
> | used for adding camera frame into video stream one by one, it works
great.
> | But now I want to add audio information into this AVI file at the same
time
> | three question:
> | 1. how to set the information for audio stream, for example dwScale,
dwRate
> | etc.
> | 2. Can I use the waveIn... functions get audio data and write it into
audio
> | stream directly(WM_WIM_DATA)
> | 3. how to make the audio data and video data written into the
corresponding
> | stream synshronously.
>
>
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Subject: Re: How to add audio data into AVI file
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