From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <dbe56955b746c9a0e9b294149b1d5d70@quanstro.net>
From: erik quanstrom <quanstro@quanstro.net>
Date: Sat, 15 Jul 2006 07:15:41 -0500
To: 9fans@cse.psu.edu
Subject: Re: [9fans] An acid-question
In-Reply-To: <556331fdcd517d6b61d38f6c14ee3f88@mail.gmx.net>
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your loop test has an obiwan error:

		for(i=0;i <= inbyterate;i++) {

should be
		for(i = 0; i < inbyterate; i++);

- erik

On Sat Jul 15 06:42:57 CDT 2006, sretzki@gmx.de wrote:
> Okay, I will never write pseudo-like code to demonstrate what I mean :/
>
> fmt is a structure holding all meta-data of the audio-input. convertchannels() is called by a function which reads fmt->byterate audio-data from stdin, and provides another array big enough to hold a copy of the input-data (datacopy).
>
> void
> convertchannels(short *data, short *datacopy)
> {
> 	int i, j = 0;
> 	int inbyterate = fmt->samplerate * fmt->channels * 2;
>
>
> 	memcpy(datacopy,data,inbyterate * sizeof(short));
>
>
> 	if(fmt->channels == 1) {
>
> 		for(i=0;i <= inbyterate;i++) {
>
> 			/* mono to left ... */
> 			data[j++] = datacopy[i];
>
> 			/* mono to right ... */
> 			data[j++] = datacopy[i];
>
> 		}
> 	}
> 	else
> 		sysfatal("convertchannels(): I can just convert from mono to stereo :-/\n");