diff options
| author | Tim Redfern <tim@eclectronics.org> | 2014-02-17 13:36:38 +0000 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2014-02-17 13:36:38 +0000 |
| commit | 22e28216336da876e1fd17f380ce42eaf1446769 (patch) | |
| tree | 444dad3dc7e2656992d29f34f7bce31970c122a5 /ffmpeg/libavutil/float_dsp.c | |
| parent | ae5e8541f6e06e64c28719467cdf366ac57aff31 (diff) | |
chasing indexing error
Diffstat (limited to 'ffmpeg/libavutil/float_dsp.c')
| -rw-r--r-- | ffmpeg/libavutil/float_dsp.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/ffmpeg/libavutil/float_dsp.c b/ffmpeg/libavutil/float_dsp.c deleted file mode 100644 index efff47f..0000000 --- a/ffmpeg/libavutil/float_dsp.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright 2005 Balatoni Denes - * Copyright 2006 Loren Merritt - * - * This file is part of FFmpeg. - * - * 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. - * - * 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "config.h" -#include "attributes.h" -#include "float_dsp.h" - -static void vector_fmul_c(float *dst, const float *src0, const float *src1, - int len) -{ - int i; - for (i = 0; i < len; i++) - dst[i] = src0[i] * src1[i]; -} - -static void vector_fmac_scalar_c(float *dst, const float *src, float mul, - int len) -{ - int i; - for (i = 0; i < len; i++) - dst[i] += src[i] * mul; -} - -static void vector_fmul_scalar_c(float *dst, const float *src, float mul, - int len) -{ - int i; - for (i = 0; i < len; i++) - dst[i] = src[i] * mul; -} - -static void vector_dmul_scalar_c(double *dst, const double *src, double mul, - int len) -{ - int i; - for (i = 0; i < len; i++) - dst[i] = src[i] * mul; -} - -static void vector_fmul_window_c(float *dst, const float *src0, - const float *src1, const float *win, int len) -{ - int i, j; - - dst += len; - win += len; - src0 += len; - - for (i = -len, j = len - 1; i < 0; i++, j--) { - float s0 = src0[i]; - float s1 = src1[j]; - float wi = win[i]; - float wj = win[j]; - dst[i] = s0 * wj - s1 * wi; - dst[j] = s0 * wi + s1 * wj; - } -} - -static void vector_fmul_add_c(float *dst, const float *src0, const float *src1, - const float *src2, int len){ - int i; - - for (i = 0; i < len; i++) - dst[i] = src0[i] * src1[i] + src2[i]; -} - -static void vector_fmul_reverse_c(float *dst, const float *src0, - const float *src1, int len) -{ - int i; - - src1 += len-1; - for (i = 0; i < len; i++) - dst[i] = src0[i] * src1[-i]; -} - -static void butterflies_float_c(float *av_restrict v1, float *av_restrict v2, - int len) -{ - int i; - - for (i = 0; i < len; i++) { - float t = v1[i] - v2[i]; - v1[i] += v2[i]; - v2[i] = t; - } -} - -float avpriv_scalarproduct_float_c(const float *v1, const float *v2, int len) -{ - float p = 0.0; - int i; - - for (i = 0; i < len; i++) - p += v1[i] * v2[i]; - - return p; -} - -av_cold void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact) -{ - fdsp->vector_fmul = vector_fmul_c; - fdsp->vector_fmac_scalar = vector_fmac_scalar_c; - fdsp->vector_fmul_scalar = vector_fmul_scalar_c; - fdsp->vector_dmul_scalar = vector_dmul_scalar_c; - fdsp->vector_fmul_window = vector_fmul_window_c; - fdsp->vector_fmul_add = vector_fmul_add_c; - fdsp->vector_fmul_reverse = vector_fmul_reverse_c; - fdsp->butterflies_float = butterflies_float_c; - fdsp->scalarproduct_float = avpriv_scalarproduct_float_c; - -#if ARCH_ARM - ff_float_dsp_init_arm(fdsp); -#elif ARCH_PPC - ff_float_dsp_init_ppc(fdsp, bit_exact); -#elif ARCH_X86 - ff_float_dsp_init_x86(fdsp); -#elif ARCH_MIPS - ff_float_dsp_init_mips(fdsp); -#endif -} |
