diff options
Diffstat (limited to 'libavfilter/x86/vf_hflip_init.c')
-rw-r--r-- | libavfilter/x86/vf_hflip_init.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_hflip_init.c b/libavfilter/x86/vf_hflip_init.c new file mode 100644 index 0000000000..2b5c9d3bf3 --- /dev/null +++ b/libavfilter/x86/vf_hflip_init.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2017 Paul B Mahol + * + * 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/x86/cpu.h" +#include "libavfilter/hflip.h" + +void ff_hflip_byte_ssse3(const uint8_t *src, uint8_t *dst, int w); +void ff_hflip_short_ssse3(const uint8_t *src, uint8_t *dst, int w); + +av_cold void ff_hflip_init_x86(FlipContext *s, int step[4], int nb_planes) +{ + int cpu_flags = av_get_cpu_flags(); + int i; + + for (i = 0; i < nb_planes; i++) { + if (EXTERNAL_SSSE3(cpu_flags) && step[i] == 1) { + s->flip_line[i] = ff_hflip_byte_ssse3; + } else if (EXTERNAL_SSSE3(cpu_flags) && step[i] == 2) { + s->flip_line[i] = ff_hflip_short_ssse3; + } + } +} |