2 * This file is part of Libav.
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "float_dsp.h"
23 static void vector_fmul_c(float *dst, const float *src0, const float *src1,
27 for (i = 0; i < len; i++)
28 dst[i] = src0[i] * src1[i];
31 static void vector_fmac_scalar_c(float *dst, const float *src, float mul,
35 for (i = 0; i < len; i++)
36 dst[i] += src[i] * mul;
39 static void vector_fmul_scalar_c(float *dst, const float *src, float mul,
43 for (i = 0; i < len; i++)
44 dst[i] = src[i] * mul;
47 static void vector_dmul_scalar_c(double *dst, const double *src, double mul,
51 for (i = 0; i < len; i++)
52 dst[i] = src[i] * mul;
55 void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
57 fdsp->vector_fmul = vector_fmul_c;
58 fdsp->vector_fmac_scalar = vector_fmac_scalar_c;
59 fdsp->vector_fmul_scalar = vector_fmul_scalar_c;
60 fdsp->vector_dmul_scalar = vector_dmul_scalar_c;
63 ff_float_dsp_init_arm(fdsp);
65 ff_float_dsp_init_ppc(fdsp, bit_exact);
67 ff_float_dsp_init_x86(fdsp);