aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* SIMD optimized JPEG 2000 DSP functions
* Copyright (c) 2015 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 "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/jpeg2000dsp.h"
void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize);
void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize);
void ff_ict_float_fma3(void *src0, void *src1, void *src2, int csize);
void ff_ict_float_fma4(void *src0, void *src1, void *src2, int csize);
void ff_rct_int_sse2 (void *src0, void *src1, void *src2, int csize);
void ff_rct_int_avx2 (void *src0, void *src1, void *src2, int csize);
av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE(cpu_flags)) {
c->mct_decode[FF_DWT97] = ff_ict_float_sse;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->mct_decode[FF_DWT53] = ff_rct_int_sse2;
}
if (EXTERNAL_AVX_FAST(cpu_flags)) {
c->mct_decode[FF_DWT97] = ff_ict_float_avx;
}
if (EXTERNAL_FMA4(cpu_flags)) {
c->mct_decode[FF_DWT97] = ff_ict_float_fma4;
}
if (EXTERNAL_FMA3_FAST(cpu_flags)) {
c->mct_decode[FF_DWT97] = ff_ict_float_fma3;
}
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
c->mct_decode[FF_DWT53] = ff_rct_int_avx2;
}
}
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