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403 lines
12 KiB
403 lines
12 KiB
/* |
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* MMX optimized DSP utils |
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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/x86/asm.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libavcodec/dsputil.h" |
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#include "libavcodec/mpegvideo.h" |
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#include "dsputil_x86.h" |
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int ff_sum_abs_dctelem_mmx(int16_t *block); |
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int ff_sum_abs_dctelem_mmxext(int16_t *block); |
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int ff_sum_abs_dctelem_sse2(int16_t *block); |
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int ff_sum_abs_dctelem_ssse3(int16_t *block); |
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int ff_sse8_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
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int line_size, int h); |
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int ff_sse16_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
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int line_size, int h); |
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int ff_sse16_sse2(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
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int line_size, int h); |
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int ff_hf_noise8_mmx(uint8_t *pix1, int lsize, int h); |
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int ff_hf_noise16_mmx(uint8_t *pix1, int lsize, int h); |
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#define hadamard_func(cpu) \ |
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int ff_hadamard8_diff_ ## cpu(MpegEncContext *s, uint8_t *src1, \ |
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uint8_t *src2, int stride, int h); \ |
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int ff_hadamard8_diff16_ ## cpu(MpegEncContext *s, uint8_t *src1, \ |
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uint8_t *src2, int stride, int h); |
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hadamard_func(mmx) |
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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_YASM |
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static int nsse16_mmx(MpegEncContext *c, uint8_t *pix1, uint8_t *pix2, |
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int line_size, 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->dsp.sse[0](c, pix1, pix2, line_size, h); |
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else |
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score1 = ff_sse16_mmx(c, pix1, pix2, line_size, h); |
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score2 = ff_hf_noise16_mmx(pix1, line_size, h) + ff_hf_noise8_mmx(pix1+8, line_size, h) |
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- ff_hf_noise16_mmx(pix2, line_size, h) - ff_hf_noise8_mmx(pix2+8, line_size, 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, uint8_t *pix1, uint8_t *pix2, |
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int line_size, int h) |
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{ |
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int score1 = ff_sse8_mmx(c, pix1, pix2, line_size, h); |
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int score2 = ff_hf_noise8_mmx(pix1, line_size, h) - |
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ff_hf_noise8_mmx(pix2, line_size, 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_YASM */ |
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#if HAVE_INLINE_ASM |
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static int vsad_intra16_mmx(MpegEncContext *v, uint8_t *pix, uint8_t *dummy, |
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int line_size, int h) |
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{ |
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int tmp; |
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av_assert2((((int) pix) & 7) == 0); |
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av_assert2((line_size & 7) == 0); |
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#define SUM(in0, in1, out0, out1) \ |
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"movq (%0), %%mm2\n" \ |
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"movq 8(%0), %%mm3\n" \ |
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"add %2,%0\n" \ |
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"movq %%mm2, " #out0 "\n" \ |
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"movq %%mm3, " #out1 "\n" \ |
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"psubusb " #in0 ", %%mm2\n" \ |
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"psubusb " #in1 ", %%mm3\n" \ |
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"psubusb " #out0 ", " #in0 "\n" \ |
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"psubusb " #out1 ", " #in1 "\n" \ |
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"por %%mm2, " #in0 "\n" \ |
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"por %%mm3, " #in1 "\n" \ |
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"movq " #in0 ", %%mm2\n" \ |
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"movq " #in1 ", %%mm3\n" \ |
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"punpcklbw %%mm7, " #in0 "\n" \ |
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"punpcklbw %%mm7, " #in1 "\n" \ |
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"punpckhbw %%mm7, %%mm2\n" \ |
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"punpckhbw %%mm7, %%mm3\n" \ |
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"paddw " #in1 ", " #in0 "\n" \ |
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"paddw %%mm3, %%mm2\n" \ |
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"paddw %%mm2, " #in0 "\n" \ |
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"paddw " #in0 ", %%mm6\n" |
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__asm__ volatile ( |
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"movl %3, %%ecx\n" |
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"pxor %%mm6, %%mm6\n" |
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"pxor %%mm7, %%mm7\n" |
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"movq (%0), %%mm0\n" |
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"movq 8(%0), %%mm1\n" |
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"add %2, %0\n" |
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"jmp 2f\n" |
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"1:\n" |
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SUM(%%mm4, %%mm5, %%mm0, %%mm1) |
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"2:\n" |
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SUM(%%mm0, %%mm1, %%mm4, %%mm5) |
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"subl $2, %%ecx\n" |
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"jnz 1b\n" |
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"movq %%mm6, %%mm0\n" |
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"psrlq $32, %%mm6\n" |
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"paddw %%mm6, %%mm0\n" |
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"movq %%mm0, %%mm6\n" |
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"psrlq $16, %%mm0\n" |
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"paddw %%mm6, %%mm0\n" |
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"movd %%mm0, %1\n" |
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: "+r" (pix), "=r" (tmp) |
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: "r" ((x86_reg) line_size), "m" (h) |
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: "%ecx"); |
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return tmp & 0xFFFF; |
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} |
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#undef SUM |
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static int vsad_intra16_mmxext(MpegEncContext *v, uint8_t *pix, uint8_t *dummy, |
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int line_size, int h) |
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{ |
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int tmp; |
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av_assert2((((int) pix) & 7) == 0); |
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av_assert2((line_size & 7) == 0); |
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#define SUM(in0, in1, out0, out1) \ |
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"movq (%0), " #out0 "\n" \ |
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"movq 8(%0), " #out1 "\n" \ |
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"add %2, %0\n" \ |
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"psadbw " #out0 ", " #in0 "\n" \ |
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"psadbw " #out1 ", " #in1 "\n" \ |
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"paddw " #in1 ", " #in0 "\n" \ |
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"paddw " #in0 ", %%mm6\n" |
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__asm__ volatile ( |
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"movl %3, %%ecx\n" |
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"pxor %%mm6, %%mm6\n" |
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"pxor %%mm7, %%mm7\n" |
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"movq (%0), %%mm0\n" |
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"movq 8(%0), %%mm1\n" |
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"add %2, %0\n" |
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"jmp 2f\n" |
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"1:\n" |
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SUM(%%mm4, %%mm5, %%mm0, %%mm1) |
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"2:\n" |
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SUM(%%mm0, %%mm1, %%mm4, %%mm5) |
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"subl $2, %%ecx\n" |
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"jnz 1b\n" |
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"movd %%mm6, %1\n" |
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: "+r" (pix), "=r" (tmp) |
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: "r" ((x86_reg) line_size), "m" (h) |
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: "%ecx"); |
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return tmp; |
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} |
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#undef SUM |
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static int vsad16_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
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int line_size, int h) |
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{ |
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int tmp; |
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av_assert2((((int) pix1) & 7) == 0); |
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av_assert2((((int) pix2) & 7) == 0); |
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av_assert2((line_size & 7) == 0); |
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#define SUM(in0, in1, out0, out1) \ |
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"movq (%0), %%mm2\n" \ |
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"movq (%1), " #out0 "\n" \ |
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"movq 8(%0), %%mm3\n" \ |
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"movq 8(%1), " #out1 "\n" \ |
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"add %3, %0\n" \ |
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"add %3, %1\n" \ |
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"psubb " #out0 ", %%mm2\n" \ |
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"psubb " #out1 ", %%mm3\n" \ |
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"pxor %%mm7, %%mm2\n" \ |
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"pxor %%mm7, %%mm3\n" \ |
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"movq %%mm2, " #out0 "\n" \ |
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"movq %%mm3, " #out1 "\n" \ |
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"psubusb " #in0 ", %%mm2\n" \ |
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"psubusb " #in1 ", %%mm3\n" \ |
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"psubusb " #out0 ", " #in0 "\n" \ |
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"psubusb " #out1 ", " #in1 "\n" \ |
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"por %%mm2, " #in0 "\n" \ |
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"por %%mm3, " #in1 "\n" \ |
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"movq " #in0 ", %%mm2\n" \ |
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"movq " #in1 ", %%mm3\n" \ |
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"punpcklbw %%mm7, " #in0 "\n" \ |
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"punpcklbw %%mm7, " #in1 "\n" \ |
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"punpckhbw %%mm7, %%mm2\n" \ |
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"punpckhbw %%mm7, %%mm3\n" \ |
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"paddw " #in1 ", " #in0 "\n" \ |
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"paddw %%mm3, %%mm2\n" \ |
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"paddw %%mm2, " #in0 "\n" \ |
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"paddw " #in0 ", %%mm6\n" |
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__asm__ volatile ( |
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"movl %4, %%ecx\n" |
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"pxor %%mm6, %%mm6\n" |
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"pcmpeqw %%mm7, %%mm7\n" |
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"psllw $15, %%mm7\n" |
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"packsswb %%mm7, %%mm7\n" |
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"movq (%0), %%mm0\n" |
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"movq (%1), %%mm2\n" |
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"movq 8(%0), %%mm1\n" |
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"movq 8(%1), %%mm3\n" |
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"add %3, %0\n" |
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"add %3, %1\n" |
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"psubb %%mm2, %%mm0\n" |
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"psubb %%mm3, %%mm1\n" |
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"pxor %%mm7, %%mm0\n" |
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"pxor %%mm7, %%mm1\n" |
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"jmp 2f\n" |
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"1:\n" |
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SUM(%%mm4, %%mm5, %%mm0, %%mm1) |
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"2:\n" |
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SUM(%%mm0, %%mm1, %%mm4, %%mm5) |
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"subl $2, %%ecx\n" |
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"jnz 1b\n" |
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"movq %%mm6, %%mm0\n" |
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"psrlq $32, %%mm6\n" |
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"paddw %%mm6, %%mm0\n" |
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"movq %%mm0, %%mm6\n" |
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"psrlq $16, %%mm0\n" |
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"paddw %%mm6, %%mm0\n" |
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"movd %%mm0, %2\n" |
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: "+r" (pix1), "+r" (pix2), "=r" (tmp) |
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: "r" ((x86_reg) line_size), "m" (h) |
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: "%ecx"); |
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return tmp & 0x7FFF; |
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} |
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#undef SUM |
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static int vsad16_mmxext(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
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int line_size, int h) |
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{ |
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int tmp; |
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av_assert2((((int) pix1) & 7) == 0); |
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av_assert2((((int) pix2) & 7) == 0); |
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av_assert2((line_size & 7) == 0); |
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#define SUM(in0, in1, out0, out1) \ |
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"movq (%0), " #out0 "\n" \ |
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"movq (%1), %%mm2\n" \ |
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"movq 8(%0), " #out1 "\n" \ |
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"movq 8(%1), %%mm3\n" \ |
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"add %3, %0\n" \ |
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"add %3, %1\n" \ |
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"psubb %%mm2, " #out0 "\n" \ |
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"psubb %%mm3, " #out1 "\n" \ |
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"pxor %%mm7, " #out0 "\n" \ |
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"pxor %%mm7, " #out1 "\n" \ |
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"psadbw " #out0 ", " #in0 "\n" \ |
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"psadbw " #out1 ", " #in1 "\n" \ |
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"paddw " #in1 ", " #in0 "\n" \ |
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"paddw " #in0 ", %%mm6\n " |
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__asm__ volatile ( |
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"movl %4, %%ecx\n" |
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"pxor %%mm6, %%mm6\n" |
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"pcmpeqw %%mm7, %%mm7\n" |
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"psllw $15, %%mm7\n" |
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"packsswb %%mm7, %%mm7\n" |
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"movq (%0), %%mm0\n" |
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"movq (%1), %%mm2\n" |
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"movq 8(%0), %%mm1\n" |
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"movq 8(%1), %%mm3\n" |
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"add %3, %0\n" |
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"add %3, %1\n" |
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"psubb %%mm2, %%mm0\n" |
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"psubb %%mm3, %%mm1\n" |
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"pxor %%mm7, %%mm0\n" |
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"pxor %%mm7, %%mm1\n" |
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"jmp 2f\n" |
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"1:\n" |
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SUM(%%mm4, %%mm5, %%mm0, %%mm1) |
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"2:\n" |
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SUM(%%mm0, %%mm1, %%mm4, %%mm5) |
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"subl $2, %%ecx\n" |
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"jnz 1b\n" |
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"movd %%mm6, %2\n" |
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: "+r" (pix1), "+r" (pix2), "=r" (tmp) |
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: "r" ((x86_reg) line_size), "m" (h) |
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: "%ecx"); |
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return tmp; |
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} |
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#undef SUM |
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#endif /* HAVE_INLINE_ASM */ |
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av_cold void ff_dsputil_init_x86(DSPContext *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->vsad[4] = vsad_intra16_mmx; |
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if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { |
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c->vsad[0] = vsad16_mmx; |
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} |
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} |
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if (INLINE_MMXEXT(cpu_flags)) { |
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c->vsad[4] = vsad_intra16_mmxext; |
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if (!(avctx->flags & CODEC_FLAG_BITEXACT)) { |
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c->vsad[0] = vsad16_mmxext; |
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} |
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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->hadamard8_diff[0] = ff_hadamard8_diff16_mmx; |
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c->hadamard8_diff[1] = ff_hadamard8_diff_mmx; |
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c->sum_abs_dctelem = ff_sum_abs_dctelem_mmx; |
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c->sse[0] = ff_sse16_mmx; |
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c->sse[1] = ff_sse8_mmx; |
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#if HAVE_YASM |
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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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c->hadamard8_diff[0] = ff_hadamard8_diff16_mmxext; |
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c->hadamard8_diff[1] = ff_hadamard8_diff_mmxext; |
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c->sum_abs_dctelem = ff_sum_abs_dctelem_mmxext; |
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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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} |
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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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ff_dsputil_init_pix_mmx(c, avctx); |
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}
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