| Re: [AD] sound and more sound |
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Javier González <xaviergonz@xxxxxxxxxx> wrote:
> I was wondering
> why does allegro uses unsigned data for 16 bit samples? the "most standard"
> is signed for 16bit and unsigned for 8bit
I guess for consistency. As the manual says, "The sample data is
always in unsigned format". It's too late to change now anyway.
> because of that, i must add 32768 to each frame of a mp3 in order to play
> it...
Easier is to flip the top bit, i.e. sample[i] ^= 0x8000;
--
tjaden@xxxxxxxxxx - http://www.psynet.net/tjaden/
SPIROBITS (SPY ro bits), n. The frayed bits of left-behind paper in a
spiral notebook. -- Rich Hall, "Sniglets"