/* * Copyright (c) 2012 Michael Niedermayer * * 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/asm.h" #include "libavutil/cpu.h" #include "libswresample/swresample_internal.h" int swri_resample_int16_mmx2 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx); int swri_resample_int16_sse2 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx); int swri_resample_float_sse (struct ResampleContext *c, float *dst, const float *src, int *consumed, int src_size, int dst_size, int update_ctx); DECLARE_ALIGNED(16, const uint64_t, ff_resample_int16_rounder)[2] = { 0x0000000000004000ULL, 0x0000000000000000ULL}; #define COMMON_CORE_INT16_MMX2 \ x86_reg len= -2*c->filter_length;\ __asm__ volatile(\ "movq "MANGLE(ff_resample_int16_rounder)", %%mm0 \n\t"\ "1: \n\t"\ "movq (%1, %0), %%mm1 \n\t"\ "pmaddwd (%2, %0), %%mm1 \n\t"\ "paddd %%mm1, %%mm0 \n\t"\ "add $8, %0 \n\t"\ " js 1b \n\t"\ "pshufw $0x0E, %%mm0, %%mm1 \n\t"\ "paddd %%mm1, %%mm0 \n\t"\ "psrad $15, %%mm0 \n\t"\ "packssdw %%mm0, %%mm0 \n\t"\ "movd %%mm0, (%3) \n\t"\ : "+r" (len)\ : "r" (((uint8_t*)(src+sample_index))-len),\ "r" (((uint8_t*)filter)-len),\ "r" (dst+dst_index)\ NAMED_CONSTRAINTS_ADD(ff_resample_int16_rounder)\ ); #define LINEAR_CORE_INT16_MMX2 \ x86_reg len= -2*c->filter_length;\ __asm__ volatile(\ "pxor %%mm0, %%mm0 \n\t"\ "pxor %%mm2, %%mm2 \n\t"\ "1: \n\t"\ "movq (%3, %0), %%mm1 \n\t"\ "movq %%mm1, %%mm3 \n\t"\ "pmaddwd (%4, %0), %%mm1 \n\t"\ "pmaddwd (%5, %0), %%mm3 \n\t"\ "paddd %%mm1, %%mm0 \n\t"\ "paddd %%mm3, %%mm2 \n\t"\ "add $8, %0 \n\t"\ " js 1b \n\t"\ "pshufw $0x0E, %%mm0, %%mm1 \n\t"\ "pshufw $0x0E, %%mm2, %%mm3 \n\t"\ "paddd %%mm1, %%mm0 \n\t"\ "paddd %%mm3, %%mm2 \n\t"\ "movd %%mm0, %1 \n\t"\ "movd %%mm2, %2 \n\t"\ : "+r" (len),\ "=r" (val),\ "=r" (v2)\ : "r" (((uint8_t*)(src+sample_index))-len),\ "r" (((uint8_t*)filter)-len),\ "r" (((uint8_t*)(filter+c->filter_alloc))-len)\ ); #define COMMON_CORE_INT16_SSE2 \ x86_reg len= -2*c->filter_length;\ __asm__ volatile(\ "movdqa "MANGLE(ff_resample_int16_rounder)", %%xmm0 \n\t"\ "1: \n\t"\ "movdqu (%1, %0), %%xmm1 \n\t"\ "pmaddwd (%2, %0), %%xmm1 \n\t"\ "paddd %%xmm1, %%xmm0 \n\t"\ "add $16, %0 \n\t"\ " js 1b \n\t"\ "pshufd $0x0E, %%xmm0, %%xmm1 \n\t"\ "paddd %%xmm1, %%xmm0 \n\t"\ "pshufd $0x01, %%xmm0, %%xmm1 \n\t"\ "paddd %%xmm1, %%xmm0 \n\t"\ "psrad $15, %%xmm0 \n\t"\ "packssdw %%xmm0, %%xmm0 \n\t"\ "movd %%xmm0, (%3) \n\t"\ : "+r" (len)\ : "r" (((uint8_t*)(src+sample_index))-len),\ "r" (((uint8_t*)filter)-len),\ "r" (dst+dst_index)\ NAMED_CONSTRAINTS_ADD(ff_resample_int16_rounder)\ ); #define LINEAR_CORE_INT16_SSE2 \ x86_reg len= -2*c->filter_length;\ __asm__ volatile(\ "pxor %%xmm0, %%xmm0 \n\t"\ "pxor %%xmm2, %%xmm2 \n\t"\ "1: \n\t"\ "movdqu (%3, %0), %%xmm1 \n\t"\ "movdqa %%xmm1, %%xmm3 \n\t"\ "pmaddwd (%4, %0), %%xmm1 \n\t"\ "pmaddwd (%5, %0), %%xmm3 \n\t"\ "paddd %%xmm1, %%xmm0 \n\t"\ "paddd %%xmm3, %%xmm2 \n\t"\ "add $16, %0 \n\t"\ " js 1b \n\t"\ "pshufd $0x0E, %%xmm0, %%xmm1 \n\t"\ "pshufd $0x0E, %%xmm2, %%xmm3 \n\t"\ "paddd %%xmm1, %%xmm0 \n\t"\ "paddd %%xmm3, %%xmm2 \n\t"\ "pshufd $0x01, %%xmm0, %%xmm1 \n\t"\ "pshufd $0x01, %%xmm2, %%xmm3 \n\t"\ "paddd %%xmm1, %%xmm0 \n\t"\ "paddd %%xmm3, %%xmm2 \n\t"\ "movd %%xmm0, %1 \n\t"\ "movd %%xmm2, %2 \n\t"\ : "+r" (len),\ "=r" (val),\ "=r" (v2)\ : "r" (((uint8_t*)(src+sample_index))-len),\ "r" (((uint8_t*)filter)-len),\ "r" (((uint8_t*)(filter+c->filter_alloc))-len)\ XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3")\ ); #define COMMON_CORE_FLT_SSE \ x86_reg len= -4*c->filter_length;\ __asm__ volatile(\ "xorps %%xmm0, %%xmm0 \n\t"\ "1: \n\t"\ "movups (%1, %0), %%xmm1 \n\t"\ "mulps (%2, %0), %%xmm1 \n\t"\ "addps %%xmm1, %%xmm0 \n\t"\ "add $16, %0 \n\t"\ " js 1b \n\t"\ "movhlps %%xmm0, %%xmm1 \n\t"\ "addps %%xmm1, %%xmm0 \n\t"\ "movss %%xmm0, %%xmm1 \n\t"\ "shufps $1, %%xmm0, %%xmm0 \n\t"\ "addps %%xmm1, %%xmm0 \n\t"\ "movss %%xmm0, (%3) \n\t"\ : "+r" (len)\ : "r" (((uint8_t*)(src+sample_index))-len),\ "r" (((uint8_t*)filter)-len),\ "r" (dst+dst_index)\ ); #define LINEAR_CORE_FLT_SSE \ x86_reg len= -4*c->filter_length;\ __asm__ volatile(\ "xorps %%xmm0, %%xmm0 \n\t"\ "xorps %%xmm2, %%xmm2 \n\t"\ "1: \n\t"\ "movups (%3, %0), %%xmm1 \n\t"\ "movaps %%xmm1, %%xmm3 \n\t"\ "mulps (%4, %0), %%xmm1 \n\t"\ "mulps (%5, %0), %%xmm3 \n\t"\ "addps %%xmm1, %%xmm0 \n\t"\ "addps %%xmm3, %%xmm2 \n\t"\ "add $16, %0 \n\t"\ " js 1b \n\t"\ "movhlps %%xmm0, %%xmm1 \n\t"\ "movhlps %%xmm2, %%xmm3 \n\t"\ "addps %%xmm1, %%xmm0 \n\t"\ "addps %%xmm3, %%xmm2 \n\t"\ "movss %%xmm0, %%xmm1 \n\t"\ "movss %%xmm2, %%xmm3 \n\t"\ "shufps $1, %%xmm0, %%xmm0 \n\t"\ "shufps $1, %%xmm2, %%xmm2 \n\t"\ "addps %%xmm1, %%xmm0 \n\t"\ "addps %%xmm3, %%xmm2 \n\t"\ "movss %%xmm0, %1 \n\t"\ "movss %%xmm2, %2 \n\t"\ : "+r" (len),\ "=m" (val),\ "=m" (v2)\ : "r" (((uint8_t*)(src+sample_index))-len),\ "r" (((uint8_t*)filter)-len),\ "r" (((uint8_t*)(filter+c->filter_alloc))-len)\ XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3")\ );