[oggonachip] Re: [vorbis-dev] mdct.c

[Pattara Kiatisevi]

[cut]

> BTW, I look in the code, if INTEGERIZED_MDCT is defined. The floating
> point value in the input vector will be converted to int with this macro:
>
> #define FLOAT_CONV(x) ((int)((x)*(1<<TRIGBITS)+.5))
>
> But I can't see the conversion back to float, not sure the output vector
> will have the data in float?

I see now there is conversion back to int done at ov_read itself.
>From the code I think the allowed output values (that won't be clipped) =
-1 to 1.

Pattara

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