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54 lines
2.1 KiB
54 lines
2.1 KiB
/* |
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* SIMD-optimized HuffYUV encoding functions |
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* Copyright (c) 2000, 2001 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* MMX optimization by Nick Kurshev <nickols_k@mail.ru> |
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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 "libavutil/attributes.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libavcodec/huffyuvencdsp.h" |
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void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, |
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unsigned mask, int w); |
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void ff_diff_int16_avx2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, |
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unsigned mask, int w); |
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void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, |
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unsigned mask, int w, int *left, int *left_top); |
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av_cold void ff_huffyuvencdsp_init_x86(HuffYUVEncDSPContext *c, enum AVPixelFormat pix_fmt) |
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{ |
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av_unused int cpu_flags = av_get_cpu_flags(); |
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const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt); |
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if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) { |
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c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext; |
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} |
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if (EXTERNAL_SSE2(cpu_flags)) { |
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c->diff_int16 = ff_diff_int16_sse2; |
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} |
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if (EXTERNAL_AVX2_FAST(cpu_flags)) { |
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c->diff_int16 = ff_diff_int16_avx2; |
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} |
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}
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