mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
/*
|
|
* SIMD-optimized HuffYUV encoding functions
|
|
* Copyright (c) 2000, 2001 Fabrice Bellard
|
|
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
|
|
*
|
|
* 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/pixdesc.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/huffyuvencdsp.h"
|
|
|
|
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);
|
|
void ff_diff_int16_avx2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2,
|
|
unsigned mask, int w);
|
|
void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2,
|
|
unsigned mask, int w, int *left, int *left_top);
|
|
|
|
av_cold void ff_huffyuvencdsp_init_x86(HuffYUVEncDSPContext *c, AVCodecContext *avctx)
|
|
{
|
|
av_unused int cpu_flags = av_get_cpu_flags();
|
|
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
|
|
|
|
if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
|
|
c->diff_int16 = ff_diff_int16_mmx;
|
|
}
|
|
|
|
if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) {
|
|
c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext;
|
|
}
|
|
|
|
if (EXTERNAL_SSE2(cpu_flags)) {
|
|
c->diff_int16 = ff_diff_int16_sse2;
|
|
}
|
|
|
|
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
|
|
c->diff_int16 = ff_diff_int16_avx2;
|
|
}
|
|
}
|