diff options
Diffstat (limited to 'libavfilter/x86/vf_ssim_init.c')
-rw-r--r-- | libavfilter/x86/vf_ssim_init.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_ssim_init.c b/libavfilter/x86/vf_ssim_init.c new file mode 100644 index 0000000000..599c928403 --- /dev/null +++ b/libavfilter/x86/vf_ssim_init.c @@ -0,0 +1,43 @@ +/* + * 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; +} |