third_party_ffmpeg/libavcodec/x86/ttadsp_init.c
James Almer 07b4b0ca62 tta/x86: add ff_ttafilter_process_dec_{ssse3, sse4}
Results are from a Win64 build running on an AMD FX 6300

1121 decicycles in ttafilter_process_dec_c, 16777112 runs, 104 skips
522 decicycles in ff_ttafilter_process_dec_ssse3, 16777149 runs, 67 skips
477 decicycles in ff_ttafilter_process_dec_sse4, 16777156 runs, 60 skips

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-17 13:51:19 +01:00

43 lines
1.6 KiB
C

/*
* Copyright (c) 2014 James Almer
*
* 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 "libavcodec/ttadsp.h"
#include "libavutil/x86/cpu.h"
#include "config.h"
void ff_ttafilter_process_dec_ssse3(int32_t *qm, int32_t *dx, int32_t *dl,
int32_t *error, int32_t *in, int32_t shift,
int32_t round);
void ff_ttafilter_process_dec_sse4(int32_t *qm, int32_t *dx, int32_t *dl,
int32_t *error, int32_t *in, int32_t shift,
int32_t round);
av_cold void ff_ttadsp_init_x86(TTADSPContext *c)
{
#if HAVE_YASM
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSSE3(cpu_flags))
c->ttafilter_process_dec = ff_ttafilter_process_dec_ssse3;
if (EXTERNAL_SSE4(cpu_flags))
c->ttafilter_process_dec = ff_ttafilter_process_dec_sse4;
#endif
}