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authorMåns Rullgård <mans@mansr.com>2009-09-14 21:37:41 +0000
committerMåns Rullgård <mans@mansr.com>2009-09-14 21:37:41 +0000
commit9ecc414195f4ef931e9dcfb9e6017fb7d757f124 (patch)
tree516d62e6f8f781518e2b38997e015cf79168a5bd /libavcodec/fft.c
parent89c4e176f6b22ddfadaea2ff698a7c479ede474e (diff)
downloadffmpeg-9ecc414195f4ef931e9dcfb9e6017fb7d757f124.tar.gz
ARM: 10l: fix large FFTs
Originally committed as revision 19846 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/fft.c')
-rw-r--r--libavcodec/fft.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/libavcodec/fft.c b/libavcodec/fft.c
index 93b4eb0434..538f66858b 100644
--- a/libavcodec/fft.c
+++ b/libavcodec/fft.c
@@ -64,7 +64,6 @@ av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)
float alpha, c1, s1, s2;
int split_radix = 1;
int av_unused has_vectors;
- int revtab_shift = 0;
if (nbits < 2 || nbits > 16)
goto fail;
@@ -120,7 +119,6 @@ av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)
s->imdct_calc = ff_imdct_calc_neon;
s->imdct_half = ff_imdct_half_neon;
s->mdct_calc = ff_mdct_calc_neon;
- revtab_shift = 3;
#endif
if (split_radix) {
@@ -134,8 +132,7 @@ av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)
tab[m/2-i] = tab[i];
}
for(i=0; i<n; i++)
- s->revtab[-split_radix_permutation(i, n, s->inverse) & (n-1)] =
- i << revtab_shift;
+ s->revtab[-split_radix_permutation(i, n, s->inverse) & (n-1)] = i;
s->tmp_buf = av_malloc(n * sizeof(FFTComplex));
} else {
int np, nblocks, np2, l;