2 * Copyright (c) 2015 Ronald S. Bultje <rsbultje@gmail.com>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "libavutil/x86/cpu.h"
23 #include "libavfilter/psnr.h"
25 uint64_t ff_sse_line_8bit_sse2(const uint8_t *buf, const uint8_t *ref, int w);
26 uint64_t ff_sse_line_16bit_sse2(const uint8_t *buf, const uint8_t *ref, int w);
28 void ff_psnr_init_x86(PSNRDSPContext *dsp, int bpp)
30 int cpu_flags = av_get_cpu_flags();
32 if (EXTERNAL_SSE2(cpu_flags)) {
34 dsp->sse_line = ff_sse_line_8bit_sse2;
35 } else if (bpp <= 15) {
36 dsp->sse_line = ff_sse_line_16bit_sse2;