ffmpeg/libavutil/float_dsp.c
Michael Niedermayer 2684d2e3ea Merge commit '284ea790d89441fa1e6b2d72d3c1ed6d61972f0b'
* commit '284ea790d89441fa1e6b2d72d3c1ed6d61972f0b':
  dsputil: move vector_fmul_scalar() to AVFloatDSPContext in libavutil
  aacenc: use the correct output buffer
  aacdec: fix signed overflows in lcg_random()
  base64: fix signed overflow in shift

Conflicts:
	libavcodec/dsputil.c
	libavutil/base64.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-27 13:39:52 +01:00

66 lines
1.8 KiB
C

/*
* 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 "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;
}
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;
#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
}