; /* ; * Provide SIMD optimizations for transform_add functions for HEVC decoding ; * Copyright (c) 2014 Pierre-Edouard LEPERE ; * ; * 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/x86/x86util.asm" SECTION_RODATA 32 max_pixels_10: times 16 dw ((1 << 10)-1) SECTION .text ;the tr_add macros and functions were largely inspired by x264 project's code in the h264_idct.asm file %macro TR_ADD_MMX_4_8 0 mova m2, [r1] mova m4, [r1+8] pxor m3, m3 psubw m3, m2 packuswb m2, m2 packuswb m3, m3 pxor m5, m5 psubw m5, m4 packuswb m4, m4 packuswb m5, m5 movh m0, [r0 ] movh m1, [r0+r2 ] paddusb m0, m2 paddusb m1, m4 psubusb m0, m3 psubusb m1, m5 movh [r0 ], m0 movh [r0+r2 ], m1 %endmacro INIT_MMX mmxext ; void ff_hevc_tranform_add_8_mmxext(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride) cglobal hevc_transform_add4_8, 3, 4, 6 TR_ADD_MMX_4_8 add r1, 16 lea r0, [r0+r2*2] TR_ADD_MMX_4_8 RET %macro TR_ADD_SSE_8_8 0 pxor m3, m3 mova m4, [r1] mova m6, [r1+16] mova m0, [r1+32] mova m2, [r1+48] psubw m5, m3, m4 psubw m7, m3, m6 psubw m1, m3, m0 packuswb m4, m0 packuswb m5, m1 psubw m3, m2 packuswb m6, m2 packuswb m7, m3 movq m0, [r0 ] movq m1, [r0+r2 ] movhps m0, [r0+r2*2] movhps m1, [r0+r3 ] paddusb m0, m4 paddusb m1, m6 psubusb m0, m5 psubusb m1, m7 movq [r0 ], m0 movq [r0+r2 ], m1 movhps [r0+2*r2], m0 movhps [r0+r3 ], m1 %endmacro %macro TR_ADD_SSE_16_32_8 3 mova m2, [r1+%1 ] mova m6, [r1+%1+16] %if cpuflag(avx) psubw m1, m0, m2 psubw m5, m0, m6 %else mova m1, m0 mova m5, m0 psubw m1, m2 psubw m5, m6 %endif packuswb m2, m6 packuswb m1, m5 mova m4, [r1+%1+32] mova m6, [r1+%1+48] %if cpuflag(avx) psubw m3, m0, m4 psubw m5, m0, m6 %else mova m3, m0 mova m5, m0 psubw m3, m4 psubw m5, m6 %endif packuswb m4, m6 packuswb m3, m5 paddusb m2, [%2] paddusb m4, [%3] psubusb m2, m1 psubusb m4, m3 mova [%2], m2 mova [%3], m4 %endmacro %macro TRANSFORM_ADD_8 0 ; void ff_hevc_transform_add8_8_(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride) cglobal hevc_transform_add8_8, 3, 4, 8 lea r3, [r2*3] TR_ADD_SSE_8_8 add r1, 64 lea r0, [r0+r2*4] TR_ADD_SSE_8_8 RET ; void ff_hevc_transform_add16_8_(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride) cglobal hevc_transform_add16_8, 3, 4, 7 pxor m0, m0 lea r3, [r2*3] TR_ADD_SSE_16_32_8 0, r0, r0+r2 TR_ADD_SSE_16_32_8 64, r0+r2*2, r0+r3 %rep 3 add r1, 128 lea r0, [r0+r2*4] TR_ADD_SSE_16_32_8 0, r0, r0+r2 TR_ADD_SSE_16_32_8 64, r0+r2*2, r0+r3 %endrep RET ; void ff_hevc_transform_add32_8_(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride) cglobal hevc_transform_add32_8, 3, 4, 7 pxor m0, m0 TR_ADD_SSE_16_32_8 0, r0, r0+16 TR_ADD_SSE_16_32_8 64, r0+r2, r0+r2+16 %rep 15 add r1, 128 lea r0, [r0+r2*2] TR_ADD_SSE_16_32_8 0, r0, r0+16 TR_ADD_SSE_16_32_8 64, r0+r2, r0+r2+16 %endrep RET %endmacro INIT_XMM sse2 TRANSFORM_ADD_8 INIT_XMM avx TRANSFORM_ADD_8 ;----------------------------------------------------------------------------- ; void ff_hevc_transform_add_10(pixel *dst, int16_t *block, int stride) ;----------------------------------------------------------------------------- %macro TR_ADD_SSE_8_10 4 mova m0, [%4] mova m1, [%4+16] mova m2, [%4+32] mova m3, [%4+48] paddw m0, [%1+0 ] paddw m1, [%1+%2 ] paddw m2, [%1+%2*2] paddw m3, [%1+%3 ] CLIPW m0, m4, m5 CLIPW m1, m4, m5 CLIPW m2, m4, m5 CLIPW m3, m4, m5 mova [%1+0 ], m0 mova [%1+%2 ], m1 mova [%1+%2*2], m2 mova [%1+%3 ], m3 %endmacro %macro TR_ADD_MMX4_10 3 mova m0, [%1+0 ] mova m1, [%1+%2 ] paddw m0, [%3] paddw m1, [%3+8] CLIPW m0, m2, m3 CLIPW m1, m2, m3 mova [%1+0 ], m0 mova [%1+%2 ], m1 %endmacro %macro TRANS_ADD_SSE_16_10 3 mova m0, [%3] mova m1, [%3+16] mova m2, [%3+32] mova m3, [%3+48] paddw m0, [%1 ] paddw m1, [%1+16 ] paddw m2, [%1+%2 ] paddw m3, [%1+%2+16] CLIPW m0, m4, m5 CLIPW m1, m4, m5 CLIPW m2, m4, m5 CLIPW m3, m4, m5 mova [%1 ], m0 mova [%1+16 ], m1 mova [%1+%2 ], m2 mova [%1+%2+16], m3 %endmacro %macro TRANS_ADD_SSE_32_10 2 mova m0, [%2] mova m1, [%2+16] mova m2, [%2+32] mova m3, [%2+48] paddw m0, [%1 ] paddw m1, [%1+16] paddw m2, [%1+32] paddw m3, [%1+48] CLIPW m0, m4, m5 CLIPW m1, m4, m5 CLIPW m2, m4, m5 CLIPW m3, m4, m5 mova [%1 ], m0 mova [%1+16], m1 mova [%1+32], m2 mova [%1+48], m3 %endmacro %macro TRANS_ADD16_AVX2 4 mova m0, [%4] mova m1, [%4+32] mova m2, [%4+64] mova m3, [%4+96] paddw m0, [%1+0 ] paddw m1, [%1+%2 ] paddw m2, [%1+%2*2] paddw m3, [%1+%3 ] CLIPW m0, m4, m5 CLIPW m1, m4, m5 CLIPW m2, m4, m5 CLIPW m3, m4, m5 mova [%1+0 ], m0 mova [%1+%2 ], m1 mova [%1+%2*2], m2 mova [%1+%3 ], m3 %endmacro %macro TRANS_ADD32_AVX2 3 mova m0, [%3] mova m1, [%3+32] mova m2, [%3+64] mova m3, [%3+96] paddw m0, [%1 ] paddw m1, [%1+32 ] paddw m2, [%1+%2 ] paddw m3, [%1+%2+32] CLIPW m0, m4, m5 CLIPW m1, m4, m5 CLIPW m2, m4, m5 CLIPW m3, m4, m5 mova [%1 ], m0 mova [%1+32 ], m1 mova [%1+%2 ], m2 mova [%1+%2+32], m3 %endmacro INIT_MMX mmxext cglobal hevc_transform_add4_10,3,4, 6 pxor m2, m2 mova m3, [max_pixels_10] TR_ADD_MMX4_10 r0, r2, r1 add r1, 16 lea r0, [r0+2*r2] TR_ADD_MMX4_10 r0, r2, r1 RET ;----------------------------------------------------------------------------- ; void ff_hevc_transform_add_10(pixel *dst, int16_t *block, int stride) ;----------------------------------------------------------------------------- INIT_XMM sse2 cglobal hevc_transform_add8_10,3,4,6 pxor m4, m4 mova m5, [max_pixels_10] lea r3, [r2*3] TR_ADD_SSE_8_10 r0, r2, r3, r1 lea r0, [r0+r2*4] add r1, 64 TR_ADD_SSE_8_10 r0, r2, r3, r1 RET cglobal hevc_transform_add16_10,3,4,6 pxor m4, m4 mova m5, [max_pixels_10] TRANS_ADD_SSE_16_10 r0, r2, r1 %rep 7 lea r0, [r0+r2*2] add r1, 64 TRANS_ADD_SSE_16_10 r0, r2, r1 %endrep RET cglobal hevc_transform_add32_10,3,4,6 pxor m4, m4 mova m5, [max_pixels_10] TRANS_ADD_SSE_32_10 r0, r1 %rep 31 lea r0, [r0+r2] add r1, 64 TRANS_ADD_SSE_32_10 r0, r1 %endrep RET %if HAVE_AVX2_EXTERNAL INIT_YMM avx2 cglobal hevc_transform_add16_10,3,4,6 pxor m4, m4 mova m5, [max_pixels_10] lea r3, [r2*3] TRANS_ADD16_AVX2 r0, r2, r3, r1 %rep 3 lea r0, [r0+r2*4] add r1, 128 TRANS_ADD16_AVX2 r0, r2, r3, r1 %endrep RET cglobal hevc_transform_add32_10,3,4,6 pxor m4, m4 mova m5, [max_pixels_10] TRANS_ADD32_AVX2 r0, r2, r1 %rep 15 lea r0, [r0+r2*2] add r1, 128 TRANS_ADD32_AVX2 r0, r2, r1 %endrep RET %endif ;HAVE_AVX_EXTERNAL