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The only systems which benefit from these are truely ancient 32bit x86s as all other systems use at least the SSE2 versions (this includes all x64 cpus (which is why this code is restricted to x86-32)). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
/*
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* Lossless video DSP utils
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include "../lossless_videodsp.h"
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#include "libavutil/x86/cpu.h"
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void ff_add_bytes_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
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void ff_add_bytes_avx2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
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void ff_add_median_pred_sse2(uint8_t *dst, const uint8_t *top,
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const uint8_t *diff, ptrdiff_t w,
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int *left, int *left_top);
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int ff_add_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
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ptrdiff_t w, int left);
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int ff_add_left_pred_unaligned_ssse3(uint8_t *dst, const uint8_t *src,
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ptrdiff_t w, int left);
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int ff_add_left_pred_unaligned_avx2(uint8_t *dst, const uint8_t *src,
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ptrdiff_t w, int left);
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int ff_add_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
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int ff_add_left_pred_int16_unaligned_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
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void ff_add_gradient_pred_ssse3(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
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void ff_add_gradient_pred_avx2(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
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void ff_llviddsp_init_x86(LLVidDSPContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->add_bytes = ff_add_bytes_sse2;
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c->add_median_pred = ff_add_median_pred_sse2;
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}
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if (EXTERNAL_SSSE3(cpu_flags)) {
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c->add_left_pred = ff_add_left_pred_ssse3;
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c->add_left_pred_int16 = ff_add_left_pred_int16_ssse3;
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c->add_gradient_pred = ff_add_gradient_pred_ssse3;
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}
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if (EXTERNAL_SSSE3_FAST(cpu_flags)) {
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c->add_left_pred = ff_add_left_pred_unaligned_ssse3;
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c->add_left_pred_int16 = ff_add_left_pred_int16_unaligned_ssse3;
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}
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if (EXTERNAL_AVX2_FAST(cpu_flags)) {
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c->add_bytes = ff_add_bytes_avx2;
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c->add_left_pred = ff_add_left_pred_unaligned_avx2;
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c->add_gradient_pred = ff_add_gradient_pred_avx2;
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}
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}
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