diff options
Diffstat (limited to 'libavcodec/aacps_tablegen.h')
| -rw-r--r-- | libavcodec/aacps_tablegen.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libavcodec/aacps_tablegen.h b/libavcodec/aacps_tablegen.h index a53f9fac1f..0ac4f68d68 100644 --- a/libavcodec/aacps_tablegen.h +++ b/libavcodec/aacps_tablegen.h @@ -3,25 +3,25 @@ * * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> * - * 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 */ -#ifndef AACPS_TABLEGEN_H -#define AACPS_TABLEGEN_H +#ifndef AVCODEC_AACPS_TABLEGEN_H +#define AVCODEC_AACPS_TABLEGEN_H #include <math.h> #include <stdint.h> @@ -70,7 +70,7 @@ static const float g2_Q4[] = { 0.16486303567403f, 0.23279856662996f, 0.25f }; -static void make_filters_from_proto(float (*filter)[8][2], const float *proto, int bands) +static av_cold void make_filters_from_proto(float (*filter)[8][2], const float *proto, int bands) { int q, n; for (q = 0; q < bands; q++) { @@ -82,7 +82,7 @@ static void make_filters_from_proto(float (*filter)[8][2], const float *proto, i } } -static void ps_tableinit(void) +static av_cold void ps_tableinit(void) { static const float ipdopd_sin[] = { 0, M_SQRT1_2, 1, M_SQRT1_2, 0, -M_SQRT1_2, -1, -M_SQRT1_2 }; static const float ipdopd_cos[] = { 1, M_SQRT1_2, 0, -M_SQRT1_2, -1, -M_SQRT1_2, 0, M_SQRT1_2 }; @@ -136,7 +136,7 @@ static void ps_tableinit(void) float pd2_im = ipdopd_sin[pd2]; float re_smooth = 0.25f * pd0_re + 0.5f * pd1_re + pd2_re; float im_smooth = 0.25f * pd0_im + 0.5f * pd1_im + pd2_im; - float pd_mag = 1 / sqrt(im_smooth * im_smooth + re_smooth * re_smooth); + float pd_mag = 1 / hypot(im_smooth, re_smooth); pd_re_smooth[pd0*64+pd1*8+pd2] = re_smooth * pd_mag; pd_im_smooth[pd0*64+pd1*8+pd2] = im_smooth * pd_mag; } @@ -214,4 +214,4 @@ static void ps_tableinit(void) } #endif /* CONFIG_HARDCODED_TABLES */ -#endif /* AACPS_TABLEGEN_H */ +#endif /* AVCODEC_AACPS_TABLEGEN_H */ |