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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_sse.c
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@@ -71,14 +71,14 @@ void ff_fft_permute_sse(FFTContext *s, FFTComplex *z)
memcpy(z, s->tmp_buf, n*sizeof(FFTComplex));
}
void ff_imdct_half_sse(MDCTContext *s, FFTSample *output, const FFTSample *input)
void ff_imdct_half_sse(FFTContext *s, FFTSample *output, const FFTSample *input)
{
av_unused x86_reg i, j, k, l;
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 + n8;
const uint16_t *revtab = s->revtab + n8;
const FFTSample *tcos = s->tcos;
const FFTSample *tsin = s->tsin;
FFTComplex *z = (FFTComplex *)output;
@@ -129,7 +129,7 @@ void ff_imdct_half_sse(MDCTContext *s, FFTSample *output, const FFTSample *input
#endif
}
ff_fft_dispatch_sse(z, s->fft.nbits);
ff_fft_dispatch_sse(z, s->nbits);
/* post rotation + reinterleave + reorder */
@@ -172,10 +172,10 @@ void ff_imdct_half_sse(MDCTContext *s, FFTSample *output, const FFTSample *input
);
}
void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output, const FFTSample *input)
void ff_imdct_calc_sse(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_sse(s, output+n4, input);