mirror of
https://github.com/FFmpeg/FFmpeg.git
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177 lines
6.3 KiB
C
177 lines
6.3 KiB
C
/*
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* MMX optimized DSP utils
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* Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
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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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#ifndef AVCODEC_X86_DSPUTIL_MMX_H
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#define AVCODEC_X86_DSPUTIL_MMX_H
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#include <stdint.h>
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#include "libavcodec/dsputil.h"
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typedef struct { uint64_t a, b; } xmm_reg;
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extern const uint64_t ff_bone;
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extern const uint64_t ff_wtwo;
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extern const uint64_t ff_pdw_80000000[2];
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extern const uint64_t ff_pw_3;
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extern const uint64_t ff_pw_4;
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extern const xmm_reg ff_pw_5;
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extern const xmm_reg ff_pw_8;
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extern const uint64_t ff_pw_15;
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extern const xmm_reg ff_pw_16;
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extern const uint64_t ff_pw_20;
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extern const xmm_reg ff_pw_28;
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extern const xmm_reg ff_pw_32;
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extern const uint64_t ff_pw_42;
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extern const xmm_reg ff_pw_64;
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extern const uint64_t ff_pw_96;
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extern const uint64_t ff_pw_128;
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extern const uint64_t ff_pw_255;
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extern const uint64_t ff_pb_1;
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extern const xmm_reg ff_pb_3;
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extern const uint64_t ff_pb_7;
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extern const uint64_t ff_pb_1F;
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extern const uint64_t ff_pb_3F;
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extern const uint64_t ff_pb_81;
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extern const uint64_t ff_pb_A1;
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extern const uint64_t ff_pb_FC;
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extern const double ff_pd_1[2];
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extern const double ff_pd_2[2];
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#define LOAD4(stride,in,a,b,c,d)\
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"movq 0*"#stride"+"#in", "#a"\n\t"\
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"movq 1*"#stride"+"#in", "#b"\n\t"\
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"movq 2*"#stride"+"#in", "#c"\n\t"\
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"movq 3*"#stride"+"#in", "#d"\n\t"
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#define STORE4(stride,out,a,b,c,d)\
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"movq "#a", 0*"#stride"+"#out"\n\t"\
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"movq "#b", 1*"#stride"+"#out"\n\t"\
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"movq "#c", 2*"#stride"+"#out"\n\t"\
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"movq "#d", 3*"#stride"+"#out"\n\t"
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/* in/out: mma=mma+mmb, mmb=mmb-mma */
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#define SUMSUB_BA( a, b ) \
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"paddw "#b", "#a" \n\t"\
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"paddw "#b", "#b" \n\t"\
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"psubw "#a", "#b" \n\t"
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#define SBUTTERFLY(a,b,t,n,m)\
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"mov" #m " " #a ", " #t " \n\t" /* abcd */\
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"punpckl" #n " " #b ", " #a " \n\t" /* aebf */\
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"punpckh" #n " " #b ", " #t " \n\t" /* cgdh */\
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#define TRANSPOSE4(a,b,c,d,t)\
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SBUTTERFLY(a,b,t,wd,q) /* a=aebf t=cgdh */\
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SBUTTERFLY(c,d,b,wd,q) /* c=imjn b=kolp */\
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SBUTTERFLY(a,c,d,dq,q) /* a=aeim d=bfjn */\
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SBUTTERFLY(t,b,c,dq,q) /* t=cgko c=dhlp */
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// e,f,g,h can be memory
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// out: a,d,t,c
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#define TRANSPOSE8x4(a,b,c,d,e,f,g,h,t)\
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"punpcklbw " #e ", " #a " \n\t" /* a0 e0 a1 e1 a2 e2 a3 e3 */\
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"punpcklbw " #f ", " #b " \n\t" /* b0 f0 b1 f1 b2 f2 b3 f3 */\
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"punpcklbw " #g ", " #c " \n\t" /* c0 g0 c1 g1 c2 g2 d3 g3 */\
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"punpcklbw " #h ", " #d " \n\t" /* d0 h0 d1 h1 d2 h2 d3 h3 */\
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SBUTTERFLY(a, b, t, bw, q) /* a= a0 b0 e0 f0 a1 b1 e1 f1 */\
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/* t= a2 b2 e2 f2 a3 b3 e3 f3 */\
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SBUTTERFLY(c, d, b, bw, q) /* c= c0 d0 g0 h0 c1 d1 g1 h1 */\
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/* b= c2 d2 g2 h2 c3 d3 g3 h3 */\
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SBUTTERFLY(a, c, d, wd, q) /* a= a0 b0 c0 d0 e0 f0 g0 h0 */\
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/* d= a1 b1 c1 d1 e1 f1 g1 h1 */\
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SBUTTERFLY(t, b, c, wd, q) /* t= a2 b2 c2 d2 e2 f2 g2 h2 */\
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/* c= a3 b3 c3 d3 e3 f3 g3 h3 */
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#if ARCH_X86_64
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// permutes 01234567 -> 05736421
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#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
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SBUTTERFLY(a,b,%%xmm8,wd,dqa)\
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SBUTTERFLY(c,d,b,wd,dqa)\
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SBUTTERFLY(e,f,d,wd,dqa)\
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SBUTTERFLY(g,h,f,wd,dqa)\
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SBUTTERFLY(a,c,h,dq,dqa)\
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SBUTTERFLY(%%xmm8,b,c,dq,dqa)\
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SBUTTERFLY(e,g,b,dq,dqa)\
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SBUTTERFLY(d,f,g,dq,dqa)\
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SBUTTERFLY(a,e,f,qdq,dqa)\
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SBUTTERFLY(%%xmm8,d,e,qdq,dqa)\
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SBUTTERFLY(h,b,d,qdq,dqa)\
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SBUTTERFLY(c,g,b,qdq,dqa)\
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"movdqa %%xmm8, "#g" \n\t"
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#else
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#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
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"movdqa "#h", "#t" \n\t"\
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SBUTTERFLY(a,b,h,wd,dqa)\
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"movdqa "#h", 16"#t" \n\t"\
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"movdqa "#t", "#h" \n\t"\
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SBUTTERFLY(c,d,b,wd,dqa)\
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SBUTTERFLY(e,f,d,wd,dqa)\
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SBUTTERFLY(g,h,f,wd,dqa)\
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SBUTTERFLY(a,c,h,dq,dqa)\
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"movdqa "#h", "#t" \n\t"\
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"movdqa 16"#t", "#h" \n\t"\
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SBUTTERFLY(h,b,c,dq,dqa)\
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SBUTTERFLY(e,g,b,dq,dqa)\
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SBUTTERFLY(d,f,g,dq,dqa)\
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SBUTTERFLY(a,e,f,qdq,dqa)\
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SBUTTERFLY(h,d,e,qdq,dqa)\
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"movdqa "#h", 16"#t" \n\t"\
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"movdqa "#t", "#h" \n\t"\
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SBUTTERFLY(h,b,d,qdq,dqa)\
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SBUTTERFLY(c,g,b,qdq,dqa)\
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"movdqa 16"#t", "#g" \n\t"
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#endif
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#define MOVQ_WONE(regd) \
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__asm__ volatile ( \
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"pcmpeqd %%" #regd ", %%" #regd " \n\t" \
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"psrlw $15, %%" #regd ::)
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void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx);
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void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
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void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
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void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
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void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
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void ff_cavsdsp_init_mmx2(DSPContext* c, AVCodecContext *avctx);
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void ff_cavsdsp_init_3dnow(DSPContext* c, AVCodecContext *avctx);
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void ff_put_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
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void ff_avg_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
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void ff_put_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
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void ff_avg_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
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void ff_vc1dsp_init_mmx(DSPContext* dsp, AVCodecContext *avctx);
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void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd);
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void ff_avg_vc1_mspel_mc00_mmx2(uint8_t *dst, const uint8_t *src, int stride, int rnd);
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void ff_lpc_compute_autocorr_sse2(const int32_t *data, int len, int lag,
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double *autoc);
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void ff_mmx_idct(DCTELEM *block);
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void ff_mmxext_idct(DCTELEM *block);
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#endif /* AVCODEC_X86_DSPUTIL_MMX_H */
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