1/* 2 * Copyright (c) 2009 David Conrad <lessen42@gmail.com> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include <stdint.h> 22 23#include "libavutil/attributes.h" 24#include "libavutil/cpu.h" 25#include "libavutil/x86/cpu.h" 26#include "libavutil/x86/asm.h" 27#include "libavcodec/avcodec.h" 28#include "libavcodec/vp3dsp.h" 29#include "config.h" 30 31void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block); 32void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block); 33 34void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, int16_t *block); 35void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, int16_t *block); 36 37void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size, 38 int16_t *block); 39 40void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride, 41 int *bounding_values); 42void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride, 43 int *bounding_values); 44 45#if HAVE_MMX_INLINE 46 47#define MOVQ_BFE(regd) \ 48 __asm__ volatile ( \ 49 "pcmpeqd %%"#regd", %%"#regd" \n\t" \ 50 "paddb %%"#regd", %%"#regd" \n\t" ::) 51 52#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \ 53 "movq "#rega", "#regr" \n\t" \ 54 "movq "#regc", "#regp" \n\t" \ 55 "pand "#regb", "#regr" \n\t" \ 56 "pand "#regd", "#regp" \n\t" \ 57 "pxor "#rega", "#regb" \n\t" \ 58 "pxor "#regc", "#regd" \n\t" \ 59 "pand %%mm6, "#regb" \n\t" \ 60 "pand %%mm6, "#regd" \n\t" \ 61 "psrlq $1, "#regb" \n\t" \ 62 "psrlq $1, "#regd" \n\t" \ 63 "paddb "#regb", "#regr" \n\t" \ 64 "paddb "#regd", "#regp" \n\t" 65 66#if HAVE_6REGS 67static void put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h) 68{ 69// START_TIMER 70 MOVQ_BFE(mm6); 71 __asm__ volatile( 72 "1: \n\t" 73 "movq (%1), %%mm0 \n\t" 74 "movq (%2), %%mm1 \n\t" 75 "movq (%1,%4), %%mm2 \n\t" 76 "movq (%2,%4), %%mm3 \n\t" 77 PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) 78 "movq %%mm4, (%3) \n\t" 79 "movq %%mm5, (%3,%4) \n\t" 80 81 "movq (%1,%4,2), %%mm0 \n\t" 82 "movq (%2,%4,2), %%mm1 \n\t" 83 "movq (%1,%5), %%mm2 \n\t" 84 "movq (%2,%5), %%mm3 \n\t" 85 "lea (%1,%4,4), %1 \n\t" 86 "lea (%2,%4,4), %2 \n\t" 87 PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) 88 "movq %%mm4, (%3,%4,2) \n\t" 89 "movq %%mm5, (%3,%5) \n\t" 90 "lea (%3,%4,4), %3 \n\t" 91 "subl $4, %0 \n\t" 92 "jnz 1b \n\t" 93 :"+r"(h), "+r"(a), "+r"(b), "+r"(dst) 94 :"r"((x86_reg)stride), "r"((x86_reg)3L*stride) 95 :"memory"); 96// STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx") 97} 98#endif /*HAVE_6REGS */ 99#endif /* HAVE_MMX_INLINE */ 100 101av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags) 102{ 103 int cpu_flags = av_get_cpu_flags(); 104 105#if HAVE_6REGS && HAVE_MMX_INLINE 106 c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx; 107#endif /* HAVE_6REGS && HAVE_MMX_INLINE */ 108 109#if ARCH_X86_32 110 if (EXTERNAL_MMX(cpu_flags)) { 111 c->idct_put = ff_vp3_idct_put_mmx; 112 c->idct_add = ff_vp3_idct_add_mmx; 113 } 114#endif 115 116 if (EXTERNAL_MMXEXT(cpu_flags)) { 117 c->idct_dc_add = ff_vp3_idct_dc_add_mmxext; 118 119 if (!(flags & CODEC_FLAG_BITEXACT)) { 120 c->v_loop_filter = ff_vp3_v_loop_filter_mmxext; 121 c->h_loop_filter = ff_vp3_h_loop_filter_mmxext; 122 } 123 } 124 125 if (EXTERNAL_SSE2(cpu_flags)) { 126 c->idct_put = ff_vp3_idct_put_sse2; 127 c->idct_add = ff_vp3_idct_add_sse2; 128 } 129} 130