diff options
Diffstat (limited to 'libavcodec/x86/huffyuvencdsp_init.c')
-rw-r--r-- | libavcodec/x86/huffyuvencdsp_init.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libavcodec/x86/huffyuvencdsp_init.c b/libavcodec/x86/huffyuvencdsp_init.c new file mode 100644 index 0000000..6c6e068 --- /dev/null +++ b/libavcodec/x86/huffyuvencdsp_init.c @@ -0,0 +1,60 @@ +/* + * SIMD-optimized HuffYUV encoding functions + * Copyright (c) 2000, 2001 Fabrice Bellard + * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> + * + * MMX optimization by Nick Kurshev <nickols_k@mail.ru> + * + * 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/pixdesc.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/huffyuvencdsp.h" + +void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2, + unsigned mask, int w); +void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, + unsigned mask, int w); +void ff_diff_int16_avx2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, + unsigned mask, int w); +void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, + unsigned mask, int w, int *left, int *left_top); + +av_cold void ff_huffyuvencdsp_init_x86(HuffYUVEncDSPContext *c, AVCodecContext *avctx) +{ + av_unused int cpu_flags = av_get_cpu_flags(); + const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt); + + if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) { + c->diff_int16 = ff_diff_int16_mmx; + } + + if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) { + c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext; + } + + if (EXTERNAL_SSE2(cpu_flags)) { + c->diff_int16 = ff_diff_int16_sse2; + } + + if (EXTERNAL_AVX2_FAST(cpu_flags)) { + c->diff_int16 = ff_diff_int16_avx2; + } +} |