/* * MMX optimized DSP utils * Copyright (c) 2007 Aurelien Jacobs * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_X86_DSPUTIL_MMX_H #define AVCODEC_X86_DSPUTIL_MMX_H #include #include "libavcodec/dsputil.h" #include "libavutil/x86_cpu.h" typedef struct { uint64_t a, b; } xmm_reg; extern const uint64_t ff_bone; extern const uint64_t ff_wtwo; extern const uint64_t ff_pdw_80000000[2]; extern const xmm_reg ff_pw_3; extern const xmm_reg ff_pw_4; extern const xmm_reg ff_pw_5; extern const xmm_reg ff_pw_8; extern const uint64_t ff_pw_15; extern const xmm_reg ff_pw_16; extern const xmm_reg ff_pw_18; extern const uint64_t ff_pw_20; extern const xmm_reg ff_pw_27; extern const xmm_reg ff_pw_28; extern const xmm_reg ff_pw_32; extern const uint64_t ff_pw_42; extern const uint64_t ff_pw_53; extern const xmm_reg ff_pw_63; extern const xmm_reg ff_pw_64; extern const uint64_t ff_pw_96; extern const uint64_t ff_pw_128; extern const uint64_t ff_pw_255; extern const xmm_reg ff_pb_1; extern const xmm_reg ff_pb_3; extern const uint64_t ff_pb_7; extern const uint64_t ff_pb_1F; extern const uint64_t ff_pb_3F; extern const uint64_t ff_pb_81; extern const xmm_reg ff_pb_A1; extern const xmm_reg ff_pb_F8; extern const uint64_t ff_pb_FC; extern const xmm_reg ff_pb_FE; extern const double ff_pd_1[2]; extern const double ff_pd_2[2]; #define LOAD4(stride,in,a,b,c,d)\ "movq 0*"#stride"+"#in", "#a"\n\t"\ "movq 1*"#stride"+"#in", "#b"\n\t"\ "movq 2*"#stride"+"#in", "#c"\n\t"\ "movq 3*"#stride"+"#in", "#d"\n\t" #define STORE4(stride,out,a,b,c,d)\ "movq "#a", 0*"#stride"+"#out"\n\t"\ "movq "#b", 1*"#stride"+"#out"\n\t"\ "movq "#c", 2*"#stride"+"#out"\n\t"\ "movq "#d", 3*"#stride"+"#out"\n\t" /* in/out: mma=mma+mmb, mmb=mmb-mma */ #define SUMSUB_BA( a, b ) \ "paddw "#b", "#a" \n\t"\ "paddw "#b", "#b" \n\t"\ "psubw "#a", "#b" \n\t" #define SBUTTERFLY(a,b,t,n,m)\ "mov" #m " " #a ", " #t " \n\t" /* abcd */\ "punpckl" #n " " #b ", " #a " \n\t" /* aebf */\ "punpckh" #n " " #b ", " #t " \n\t" /* cgdh */\ #define TRANSPOSE4(a,b,c,d,t)\ SBUTTERFLY(a,b,t,wd,q) /* a=aebf t=cgdh */\ SBUTTERFLY(c,d,b,wd,q) /* c=imjn b=kolp */\ SBUTTERFLY(a,c,d,dq,q) /* a=aeim d=bfjn */\ SBUTTERFLY(t,b,c,dq,q) /* t=cgko c=dhlp */ static inline void transpose4x4(uint8_t *dst, uint8_t *src, x86_reg dst_stride, x86_reg src_stride){ __asm__ volatile( //FIXME could save 1 instruction if done as 8x4 ... "movd (%1), %%mm0 \n\t" "add %3, %1 \n\t" "movd (%1), %%mm1 \n\t" "movd (%1,%3,1), %%mm2 \n\t" "movd (%1,%3,2), %%mm3 \n\t" "punpcklbw %%mm1, %%mm0 \n\t" "punpcklbw %%mm3, %%mm2 \n\t" "movq %%mm0, %%mm1 \n\t" "punpcklwd %%mm2, %%mm0 \n\t" "punpckhwd %%mm2, %%mm1 \n\t" "movd %%mm0, (%0) \n\t" "add %2, %0 \n\t" "punpckhdq %%mm0, %%mm0 \n\t" "movd %%mm0, (%0) \n\t" "movd %%mm1, (%0,%2,1) \n\t" "punpckhdq %%mm1, %%mm1 \n\t" "movd %%mm1, (%0,%2,2) \n\t" : "+&r" (dst), "+&r" (src) : "r" (dst_stride), "r" (src_stride) : "memory" ); } // e,f,g,h can be memory // out: a,d,t,c #define TRANSPOSE8x4(a,b,c,d,e,f,g,h,t)\ "punpcklbw " #e ", " #a " \n\t" /* a0 e0 a1 e1 a2 e2 a3 e3 */\ "punpcklbw " #f ", " #b " \n\t" /* b0 f0 b1 f1 b2 f2 b3 f3 */\ "punpcklbw " #g ", " #c " \n\t" /* c0 g0 c1 g1 c2 g2 d3 g3 */\ "punpcklbw " #h ", " #d " \n\t" /* d0 h0 d1 h1 d2 h2 d3 h3 */\ SBUTTERFLY(a, b, t, bw, q) /* a= a0 b0 e0 f0 a1 b1 e1 f1 */\ /* t= a2 b2 e2 f2 a3 b3 e3 f3 */\ SBUTTERFLY(c, d, b, bw, q) /* c= c0 d0 g0 h0 c1 d1 g1 h1 */\ /* b= c2 d2 g2 h2 c3 d3 g3 h3 */\ SBUTTERFLY(a, c, d, wd, q) /* a= a0 b0 c0 d0 e0 f0 g0 h0 */\ /* d= a1 b1 c1 d1 e1 f1 g1 h1 */\ SBUTTERFLY(t, b, c, wd, q) /* t= a2 b2 c2 d2 e2 f2 g2 h2 */\ /* c= a3 b3 c3 d3 e3 f3 g3 h3 */ #if ARCH_X86_64 // permutes 01234567 -> 05736421 #define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\ SBUTTERFLY(a,b,%%xmm8,wd,dqa)\ SBUTTERFLY(c,d,b,wd,dqa)\ SBUTTERFLY(e,f,d,wd,dqa)\ SBUTTERFLY(g,h,f,wd,dqa)\ SBUTTERFLY(a,c,h,dq,dqa)\ SBUTTERFLY(%%xmm8,b,c,dq,dqa)\ SBUTTERFLY(e,g,b,dq,dqa)\ SBUTTERFLY(d,f,g,dq,dqa)\ SBUTTERFLY(a,e,f,qdq,dqa)\ SBUTTERFLY(%%xmm8,d,e,qdq,dqa)\ SBUTTERFLY(h,b,d,qdq,dqa)\ SBUTTERFLY(c,g,b,qdq,dqa)\ "movdqa %%xmm8, "#g" \n\t" #else #define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\ "movdqa "#h", "#t" \n\t"\ SBUTTERFLY(a,b,h,wd,dqa)\ "movdqa "#h", 16"#t" \n\t"\ "movdqa "#t", "#h" \n\t"\ SBUTTERFLY(c,d,b,wd,dqa)\ SBUTTERFLY(e,f,d,wd,dqa)\ SBUTTERFLY(g,h,f,wd,dqa)\ SBUTTERFLY(a,c,h,dq,dqa)\ "movdqa "#h", "#t" \n\t"\ "movdqa 16"#t", "#h" \n\t"\ SBUTTERFLY(h,b,c,dq,dqa)\ SBUTTERFLY(e,g,b,dq,dqa)\ SBUTTERFLY(d,f,g,dq,dqa)\ SBUTTERFLY(a,e,f,qdq,dqa)\ SBUTTERFLY(h,d,e,qdq,dqa)\ "movdqa "#h", 16"#t" \n\t"\ "movdqa "#t", "#h" \n\t"\ SBUTTERFLY(h,b,d,qdq,dqa)\ SBUTTERFLY(c,g,b,qdq,dqa)\ "movdqa 16"#t", "#g" \n\t" #endif #define MOVQ_WONE(regd) \ __asm__ volatile ( \ "pcmpeqd %%" #regd ", %%" #regd " \n\t" \ "psrlw $15, %%" #regd ::) void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx); void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx); void ff_add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); void ff_put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); void ff_put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); void ff_put_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride); void ff_avg_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride); void ff_put_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride); void ff_avg_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride); void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd); void ff_avg_vc1_mspel_mc00_mmx2(uint8_t *dst, const uint8_t *src, int stride, int rnd); void ff_mmx_idct(DCTELEM *block); void ff_mmxext_idct(DCTELEM *block); void ff_deinterlace_line_mmx(uint8_t *dst, const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size); void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4, const uint8_t *lum_m3, const uint8_t *lum_m2, const uint8_t *lum_m1, const uint8_t *lum, int size); #endif /* AVCODEC_X86_DSPUTIL_MMX_H */