diff options
Diffstat (limited to 'libavcodec/fft_template.c')
| -rw-r--r-- | libavcodec/fft_template.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/libavcodec/fft_template.c b/libavcodec/fft_template.c index 3abf94870d..23ea453938 100644 --- a/libavcodec/fft_template.c +++ b/libavcodec/fft_template.c @@ -228,8 +228,6 @@ static void fft_calc_c(FFTContext *s, FFTComplex *z) { int n4, n2, n34; FFTSample tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8; FFTComplex *tmpz; - FFTSample w_re, w_im; - const FFTSample *w_re_ptr, *w_im_ptr; const int fft_size = (1 << s->nbits); int64_t accu; @@ -322,6 +320,8 @@ static void fft_calc_c(FFTContext *s, FFTComplex *z) { num_transforms = (num_transforms >> 1) | 1; for (n=0; n<num_transforms; n++){ + const FFTSample *w_re_ptr = ff_w_tab_sr + step; + const FFTSample *w_im_ptr = ff_w_tab_sr + MAX_FFT_SIZE/(4*16) - step; offset = ff_fft_offsets_lut[n] << nbits; tmpz = z + offset; @@ -339,12 +339,9 @@ static void fft_calc_c(FFTContext *s, FFTComplex *z) { tmpz[n34].im = tmpz[n4].im + tmp1; tmpz[ n4].im = tmpz[n4].im - tmp1; - w_re_ptr = ff_w_tab_sr + step; - w_im_ptr = ff_w_tab_sr + MAX_FFT_SIZE/(4*16) - step; - for (i=1; i<n4; i++){ - w_re = w_re_ptr[0]; - w_im = w_im_ptr[0]; + FFTSample w_re = w_re_ptr[0]; + FFTSample w_im = w_im_ptr[0]; accu = (int64_t)w_re*tmpz[ n2+i].re; accu += (int64_t)w_im*tmpz[ n2+i].im; tmp1 = (int32_t)((accu + 0x40000000) >> 31); |