| /* |
| * Copyright (c) 2015 Ronald S. Bultje <rsbultje@gmail.com> |
| * |
| * 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/x86/cpu.h" |
| |
| #include "libavfilter/ssim.h" |
| |
| void ff_ssim_4x4_line_ssse3(const uint8_t *buf, ptrdiff_t buf_stride, |
| const uint8_t *ref, ptrdiff_t ref_stride, |
| int (*sums)[4], int w); |
| void ff_ssim_4x4_line_xop (const uint8_t *buf, ptrdiff_t buf_stride, |
| const uint8_t *ref, ptrdiff_t ref_stride, |
| int (*sums)[4], int w); |
| float ff_ssim_end_line_sse4(const int (*sum0)[4], const int (*sum1)[4], int w); |
| |
| void ff_ssim_init_x86(SSIMDSPContext *dsp) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| if (ARCH_X86_64 && EXTERNAL_SSSE3(cpu_flags)) |
| dsp->ssim_4x4_line = ff_ssim_4x4_line_ssse3; |
| if (EXTERNAL_SSE4(cpu_flags)) |
| dsp->ssim_end_line = ff_ssim_end_line_sse4; |
| if (EXTERNAL_XOP(cpu_flags)) |
| dsp->ssim_4x4_line = ff_ssim_4x4_line_xop; |
| } |