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310 lines
13 KiB
310 lines
13 KiB
/* |
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* SIMD-optimized motion estimation |
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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/mem_internal.h" |
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#include "libavutil/x86/asm.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libavcodec/me_cmp.h" |
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#include "libavcodec/mpegvideo.h" |
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int ff_sum_abs_dctelem_sse2(const int16_t *block); |
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int ff_sum_abs_dctelem_ssse3(const int16_t *block); |
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int ff_sse8_mmx(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sse16_mmx(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sse16_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_hf_noise8_mmx(const uint8_t *pix1, ptrdiff_t stride, int h); |
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int ff_hf_noise16_mmx(const uint8_t *pix1, ptrdiff_t stride, int h); |
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int ff_sad8_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad8_x2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_x2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_x2_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad8_y2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_y2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_y2_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad8_approx_xy2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_approx_xy2_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_sad16_approx_xy2_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_vsad_intra8_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_vsad_intra16_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_vsad_intra16_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_vsad8_approx_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_vsad16_approx_mmxext(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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int ff_vsad16_approx_sse2(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h); |
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#define hadamard_func(cpu) \ |
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int ff_hadamard8_diff_ ## cpu(MpegEncContext *s, const uint8_t *src1, \ |
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const uint8_t *src2, ptrdiff_t stride, int h); \ |
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int ff_hadamard8_diff16_ ## cpu(MpegEncContext *s, const uint8_t *src1, \ |
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const uint8_t *src2, ptrdiff_t stride, int h); |
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hadamard_func(mmxext) |
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hadamard_func(sse2) |
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hadamard_func(ssse3) |
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#if HAVE_X86ASM |
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static int nsse16_mmx(MpegEncContext *c, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h) |
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{ |
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int score1, score2; |
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if (c) |
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score1 = c->mecc.sse[0](c, pix1, pix2, stride, h); |
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else |
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score1 = ff_sse16_mmx(c, pix1, pix2, stride, h); |
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score2 = ff_hf_noise16_mmx(pix1, stride, h) + ff_hf_noise8_mmx(pix1+8, stride, h) |
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- ff_hf_noise16_mmx(pix2, stride, h) - ff_hf_noise8_mmx(pix2+8, stride, h); |
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if (c) |
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return score1 + FFABS(score2) * c->avctx->nsse_weight; |
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else |
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return score1 + FFABS(score2) * 8; |
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} |
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static int nsse8_mmx(MpegEncContext *c, const uint8_t *pix1, const uint8_t *pix2, |
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ptrdiff_t stride, int h) |
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{ |
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int score1 = ff_sse8_mmx(c, pix1, pix2, stride, h); |
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int score2 = ff_hf_noise8_mmx(pix1, stride, h) - |
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ff_hf_noise8_mmx(pix2, stride, h); |
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if (c) |
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return score1 + FFABS(score2) * c->avctx->nsse_weight; |
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else |
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return score1 + FFABS(score2) * 8; |
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} |
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#endif /* HAVE_X86ASM */ |
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#if HAVE_INLINE_ASM |
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DECLARE_ASM_CONST(8, uint64_t, round_tab)[3] = { |
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0x0000000000000000ULL, |
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0x0001000100010001ULL, |
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0x0002000200020002ULL, |
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}; |
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static inline void sad8_4_mmx(const uint8_t *blk1, const uint8_t *blk2, |
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ptrdiff_t stride, int h) |
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{ |
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x86_reg len = -stride * h; |
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__asm__ volatile ( |
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"movq (%1, %%"FF_REG_a"), %%mm0\n\t" |
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"movq 1(%1, %%"FF_REG_a"), %%mm2\n\t" |
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"movq %%mm0, %%mm1 \n\t" |
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"movq %%mm2, %%mm3 \n\t" |
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"punpcklbw %%mm7, %%mm0 \n\t" |
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"punpckhbw %%mm7, %%mm1 \n\t" |
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"punpcklbw %%mm7, %%mm2 \n\t" |
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"punpckhbw %%mm7, %%mm3 \n\t" |
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"paddw %%mm2, %%mm0 \n\t" |
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"paddw %%mm3, %%mm1 \n\t" |
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".p2align 4 \n\t" |
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"1: \n\t" |
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"movq (%2, %%"FF_REG_a"), %%mm2\n\t" |
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"movq 1(%2, %%"FF_REG_a"), %%mm4\n\t" |
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"movq %%mm2, %%mm3 \n\t" |
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"movq %%mm4, %%mm5 \n\t" |
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"punpcklbw %%mm7, %%mm2 \n\t" |
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"punpckhbw %%mm7, %%mm3 \n\t" |
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"punpcklbw %%mm7, %%mm4 \n\t" |
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"punpckhbw %%mm7, %%mm5 \n\t" |
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"paddw %%mm4, %%mm2 \n\t" |
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"paddw %%mm5, %%mm3 \n\t" |
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"movq %5, %%mm5 \n\t" |
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"paddw %%mm2, %%mm0 \n\t" |
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"paddw %%mm3, %%mm1 \n\t" |
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"paddw %%mm5, %%mm0 \n\t" |
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"paddw %%mm5, %%mm1 \n\t" |
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"movq (%3, %%"FF_REG_a"), %%mm4 \n\t" |
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"movq (%3, %%"FF_REG_a"), %%mm5 \n\t" |
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"psrlw $2, %%mm0 \n\t" |
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"psrlw $2, %%mm1 \n\t" |
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"packuswb %%mm1, %%mm0 \n\t" |
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"psubusb %%mm0, %%mm4 \n\t" |
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"psubusb %%mm5, %%mm0 \n\t" |
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"por %%mm4, %%mm0 \n\t" |
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"movq %%mm0, %%mm4 \n\t" |
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"punpcklbw %%mm7, %%mm0 \n\t" |
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"punpckhbw %%mm7, %%mm4 \n\t" |
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"paddw %%mm0, %%mm6 \n\t" |
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"paddw %%mm4, %%mm6 \n\t" |
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"movq %%mm2, %%mm0 \n\t" |
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"movq %%mm3, %%mm1 \n\t" |
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"add %4, %%"FF_REG_a" \n\t" |
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" js 1b \n\t" |
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: "+a" (len) |
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: "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len), |
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"r" (stride), "m" (round_tab[2])); |
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} |
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static inline int sum_mmx(void) |
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{ |
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int ret; |
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__asm__ volatile ( |
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"movq %%mm6, %%mm0 \n\t" |
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"psrlq $32, %%mm6 \n\t" |
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"paddw %%mm0, %%mm6 \n\t" |
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"movq %%mm6, %%mm0 \n\t" |
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"psrlq $16, %%mm6 \n\t" |
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"paddw %%mm0, %%mm6 \n\t" |
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"movd %%mm6, %0 \n\t" |
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: "=r" (ret)); |
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return ret & 0xFFFF; |
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} |
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#define PIX_SADXY(suf) \ |
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static int sad8_xy2_ ## suf(MpegEncContext *v, const uint8_t *blk2, \ |
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const uint8_t *blk1, ptrdiff_t stride, int h) \ |
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{ \ |
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__asm__ volatile ( \ |
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"pxor %%mm7, %%mm7 \n\t" \ |
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"pxor %%mm6, %%mm6 \n\t" \ |
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::); \ |
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\ |
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sad8_4_ ## suf(blk1, blk2, stride, h); \ |
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\ |
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return sum_ ## suf(); \ |
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} \ |
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\ |
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static int sad16_xy2_ ## suf(MpegEncContext *v, const uint8_t *blk2, \ |
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const uint8_t *blk1, ptrdiff_t stride, int h) \ |
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{ \ |
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__asm__ volatile ( \ |
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"pxor %%mm7, %%mm7 \n\t" \ |
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"pxor %%mm6, %%mm6 \n\t" \ |
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::); \ |
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\ |
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sad8_4_ ## suf(blk1, blk2, stride, h); \ |
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sad8_4_ ## suf(blk1 + 8, blk2 + 8, stride, h); \ |
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\ |
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return sum_ ## suf(); \ |
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} \ |
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PIX_SADXY(mmx) |
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#endif /* HAVE_INLINE_ASM */ |
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av_cold void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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#if HAVE_INLINE_ASM |
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if (INLINE_MMX(cpu_flags)) { |
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c->pix_abs[0][3] = sad16_xy2_mmx; |
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c->pix_abs[1][3] = sad8_xy2_mmx; |
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} |
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#endif /* HAVE_INLINE_ASM */ |
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if (EXTERNAL_MMX(cpu_flags)) { |
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c->sse[1] = ff_sse8_mmx; |
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#if HAVE_X86ASM |
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c->nsse[0] = nsse16_mmx; |
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c->nsse[1] = nsse8_mmx; |
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#endif |
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} |
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if (EXTERNAL_MMXEXT(cpu_flags)) { |
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#if !HAVE_ALIGNED_STACK |
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c->hadamard8_diff[0] = ff_hadamard8_diff16_mmxext; |
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c->hadamard8_diff[1] = ff_hadamard8_diff_mmxext; |
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#endif |
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c->sad[0] = ff_sad16_mmxext; |
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c->sad[1] = ff_sad8_mmxext; |
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c->pix_abs[0][0] = ff_sad16_mmxext; |
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c->pix_abs[0][1] = ff_sad16_x2_mmxext; |
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c->pix_abs[0][2] = ff_sad16_y2_mmxext; |
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c->pix_abs[1][0] = ff_sad8_mmxext; |
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c->pix_abs[1][1] = ff_sad8_x2_mmxext; |
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c->pix_abs[1][2] = ff_sad8_y2_mmxext; |
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c->vsad[4] = ff_vsad_intra16_mmxext; |
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c->vsad[5] = ff_vsad_intra8_mmxext; |
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if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) { |
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c->pix_abs[0][3] = ff_sad16_approx_xy2_mmxext; |
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c->pix_abs[1][3] = ff_sad8_approx_xy2_mmxext; |
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c->vsad[0] = ff_vsad16_approx_mmxext; |
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c->vsad[1] = ff_vsad8_approx_mmxext; |
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} |
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} |
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if (EXTERNAL_SSE2(cpu_flags)) { |
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c->sse[0] = ff_sse16_sse2; |
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c->sum_abs_dctelem = ff_sum_abs_dctelem_sse2; |
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#if HAVE_ALIGNED_STACK |
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c->hadamard8_diff[0] = ff_hadamard8_diff16_sse2; |
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c->hadamard8_diff[1] = ff_hadamard8_diff_sse2; |
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#endif |
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if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW) && avctx->codec_id != AV_CODEC_ID_SNOW) { |
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c->sad[0] = ff_sad16_sse2; |
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c->pix_abs[0][0] = ff_sad16_sse2; |
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c->pix_abs[0][1] = ff_sad16_x2_sse2; |
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c->pix_abs[0][2] = ff_sad16_y2_sse2; |
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c->vsad[4] = ff_vsad_intra16_sse2; |
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if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) { |
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c->pix_abs[0][3] = ff_sad16_approx_xy2_sse2; |
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c->vsad[0] = ff_vsad16_approx_sse2; |
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} |
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} |
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} |
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if (EXTERNAL_SSSE3(cpu_flags)) { |
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c->sum_abs_dctelem = ff_sum_abs_dctelem_ssse3; |
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#if HAVE_ALIGNED_STACK |
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c->hadamard8_diff[0] = ff_hadamard8_diff16_ssse3; |
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c->hadamard8_diff[1] = ff_hadamard8_diff_ssse3; |
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#endif |
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} |
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}
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