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Partial conversion of the wmapro decoder to fixed point arithmetic. Currently inverse quantization & rescaling,

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imdct and windowing are all in fixed point.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27302 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Mohamed Tarek 2010-07-05 22:33:37 +00:00
parent 6a04479d63
commit d884af2b99
14 changed files with 3644 additions and 43 deletions
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6
apps/codecs/libwmapro/fft.c
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@ -101,10 +101,10 @@ av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)
s2 = inverse ? 1.0 : -1.0;
s->fft_permute = ff_fft_permute_c;
s->fft_calc = ff_fft_calc_c;
s->fft_calc = fff_fft_calc_c;
//#if CONFIG_MDCT
s->imdct_calc = ff_imdct_calc_c;
s->imdct_half = ff_imdct_half_c;
s->imdct_half = fff_imdct_half_c;
s->mdct_calc = ff_mdct_calc_c;
//#endif
s->exptab1 = NULL;
@ -361,7 +361,7 @@ static void (* const fft_dispatch[])(FFTComplex*) = {
fft2048, fft4096, fft8192, fft16384, fft32768, fft65536,
};
void ff_fft_calc_c(FFTContext *s, FFTComplex *z)
void fff_fft_calc_c(FFTContext *s, FFTComplex *z)
{
fft_dispatch[s->nbits-2](z);
}