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Merge FFTContext and MDCTContext

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Originally committed as revision 19931 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-09-20 17:30:20 +00:00
parent ec129499b8
commit 01b2214758
22 changed files with 91 additions and 99 deletions
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12
libavcodec/x86/fft_3dn2.c
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@ -53,14 +53,14 @@ void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z)
FFSWAP(FFTSample, z[i].im, z[i+1].re);
}
void ff_imdct_half_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *input)
void ff_imdct_half_3dn2(FFTContext *s, FFTSample *output, const FFTSample *input)
{
x86_reg j, k;
long n = 1 << s->nbits;
long n = 1 << s->mdct_bits;
long n2 = n >> 1;
long n4 = n >> 2;
long n8 = n >> 3;
const uint16_t *revtab = s->fft.revtab;
const uint16_t *revtab = s->revtab;
const FFTSample *tcos = s->tcos;
const FFTSample *tsin = s->tsin;
const FFTSample *in1, *in2;
@ -101,7 +101,7 @@ void ff_imdct_half_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *inpu
);
}
ff_fft_dispatch_3dn2(z, s->fft.nbits);
ff_fft_dispatch_3dn2(z, s->nbits);
#define CMUL(j,mm0,mm1)\
"movq (%2,"#j",2), %%mm6 \n"\
@ -144,10 +144,10 @@ void ff_imdct_half_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *inpu
__asm__ volatile("femms");
}
void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *input)
void ff_imdct_calc_3dn2(FFTContext *s, FFTSample *output, const FFTSample *input)
{
x86_reg j, k;
long n = 1 << s->nbits;
long n = 1 << s->mdct_bits;
long n4 = n >> 2;
ff_imdct_half_3dn2(s, output+n4, input);