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/*
* Lossless video DSP utils
*
* 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 "../lossless_videodsp.h"
#include "libavutil/pixdesc.h"
#include "libavutil/x86/cpu.h"
void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
int ff_add_hfyu_left_prediction_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, int w, int acc);
int ff_add_hfyu_left_prediction_int16_sse4(uint16_t *dst, const uint16_t *src, unsigned mask, int w, int acc);
void ff_add_hfyu_median_prediction_int16_mmxext(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
void ff_sub_hfyu_median_prediction_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);
void ff_llviddsp_init_x86(LLVidDSPContext *c, AVCodecContext *avctx)
{
int cpu_flags = av_get_cpu_flags();
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
if (EXTERNAL_MMX(cpu_flags)) {
c->add_int16 = ff_add_int16_mmx;
c->diff_int16 = ff_diff_int16_mmx;
}
if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc->comp[0].depth_minus1<15) {
c->add_hfyu_median_prediction_int16 = ff_add_hfyu_median_prediction_int16_mmxext;
c->sub_hfyu_median_prediction_int16 = ff_sub_hfyu_median_prediction_int16_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->add_int16 = ff_add_int16_sse2;
c->diff_int16 = ff_diff_int16_sse2;
}
if (EXTERNAL_SSSE3(cpu_flags)) {
c->add_hfyu_left_prediction_int16 = ff_add_hfyu_left_prediction_int16_ssse3;
}
if (EXTERNAL_SSE4(cpu_flags)) {
c->add_hfyu_left_prediction_int16 = ff_add_hfyu_left_prediction_int16_sse4;
}
}
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