[Asterisk-Users] Codec Formats

[Steve Kann]

On Fri, Mar 14, 2003 at 03:44:46PM -0500, John Vozza wrote:
> Thanks for the feedback but I'm still lost on this one.... (Forgive my
> ignorance please)
> 
> I don't understand how "#define AST_FORMAT_ADPCM        (1 << 5)" becomes
> a "format =  32" in the * console display.

2*2*2*2*2 = 32.

Okay, less obnoxiusly, the "<<" operator in C means shift.  So, if you
take a 1 (binary 0000001), and shift it left 5 times, you get 00010000,
which is 2^5 which is 32.

-SteveK

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