diff options
Diffstat (limited to 'libavfilter/x86/vf_limiter_init.c')
-rw-r--r-- | libavfilter/x86/vf_limiter_init.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_limiter_init.c b/libavfilter/x86/vf_limiter_init.c new file mode 100644 index 0000000000..ef7d20a1a0 --- /dev/null +++ b/libavfilter/x86/vf_limiter_init.c @@ -0,0 +1,44 @@ +/* + * 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/limiter.h" + +void ff_limiter_8bit_sse2(const uint8_t *src, uint8_t *dst, + ptrdiff_t slinesize, ptrdiff_t dlinesize, + int w, int h, int min, int max); +void ff_limiter_16bit_sse4(const uint8_t *src, uint8_t *dst, + ptrdiff_t slinesize, ptrdiff_t dlinesize, + int w, int h, int min, int max); + +void ff_limiter_init_x86(LimiterDSPContext *dsp, int bpp) +{ + int cpu_flags = av_get_cpu_flags(); + + if (ARCH_X86_64 && EXTERNAL_SSE2(cpu_flags)) { + if (bpp <= 8) { + dsp->limiter = ff_limiter_8bit_sse2; + } + } + if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags)) { + if (bpp > 8) { + dsp->limiter = ff_limiter_16bit_sse4; + } + } +} |