diff options
Diffstat (limited to 'libavcodec/mdct_fixed.c')
| -rw-r--r-- | libavcodec/mdct_fixed.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/libavcodec/mdct_fixed.c b/libavcodec/mdct_fixed.c index 9e06861..aabf0c8 100644 --- a/libavcodec/mdct_fixed.c +++ b/libavcodec/mdct_fixed.c @@ -1,22 +1,23 @@ /* - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #define FFT_FLOAT 0 +#define FFT_FIXED_32 0 #include "mdct_template.c" /* same as ff_mdct_calcw_c with double-width unscaled output */ @@ -38,13 +39,13 @@ void ff_mdct_calcw_c(FFTContext *s, FFTDouble *out, const FFTSample *input) /* pre rotation */ for(i=0;i<n8;i++) { - re = RSCALE(-input[2*i+n3] - input[n3-1-2*i]); - im = RSCALE(-input[n4+2*i] + input[n4-1-2*i]); + re = RSCALE(-input[2*i+n3], - input[n3-1-2*i]); + im = RSCALE(-input[n4+2*i], + input[n4-1-2*i]); j = revtab[i]; CMUL(x[j].re, x[j].im, re, im, -tcos[i], tsin[i]); - re = RSCALE( input[2*i] - input[n2-1-2*i]); - im = RSCALE(-input[n2+2*i] - input[ n-1-2*i]); + re = RSCALE( input[2*i] , - input[n2-1-2*i]); + im = RSCALE(-input[n2+2*i], - input[ n-1-2*i]); j = revtab[n8 + i]; CMUL(x[j].re, x[j].im, re, im, -tcos[n8 + i], tsin[n8 + i]); } |
