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FFmpeg/libavutil/float_dsp.h
Michael Niedermayer 7e22514d98 Merge remote-tracking branch 'qatar/master'
* qatar/master:
  float_dsp: ppc: add a separate header for Altivec function prototypes
  ARM: fix float_dsp breakage from d5a7229
  Add a float DSP framework to libavutil
  PPC: Move types_altivec.h and util_altivec.h from libavcodec to libavutil
  ARM: Move asm.S from libavcodec to libavutil
  vc1dsp: mark put/avg_vc1_mspel_mc() always_inline

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-06-08 23:59:09 +02:00

54 lines
1.9 KiB
C

/*
* 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
*/
#ifndef AVUTIL_FLOAT_DSP_H
#define AVUTIL_FLOAT_DSP_H
typedef struct AVFloatDSPContext {
/**
* Calculate the product of two vectors of floats and store the result in
* a vector of floats.
*
* @param dst output vector
* constraints: 32-byte aligned
* @param src0 first input vector
* constraints: 32-byte aligned
* @param src1 second input vector
* constraints: 32-byte aligned
* @param len number of elements in the input
* constraints: multiple of 16
*/
void (*vector_fmul)(float *dst, const float *src0, const float *src1,
int len);
} AVFloatDSPContext;
/**
* Initialize a float DSP context.
*
* @param fdsp float DSP context
* @param strict setting to non-zero avoids using functions which may not be IEEE-754 compliant
*/
void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int strict);
void ff_float_dsp_init_arm(AVFloatDSPContext *fdsp);
void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int strict);
void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp);
#endif /* AVUTIL_FLOAT_DSP_H */