/* * 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/attributes.h" #include "libavutil/avassert.h" #include "libavutil/cpu.h" #include "libavutil/x86/cpu.h" #include "libavcodec/avcodec.h" #include "libavcodec/mpegvideoencdsp.h" int ff_pix_sum16_sse2(uint8_t *pix, int line_size); int ff_pix_sum16_xop(uint8_t *pix, int line_size); int ff_pix_norm1_sse2(uint8_t *pix, int line_size); #if HAVE_INLINE_ASM #define PHADDD(a, t) \ "movq " #a ", " #t " \n\t" \ "psrlq $32, " #a " \n\t" \ "paddd " #t ", " #a " \n\t" /* * pmulhw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15])[16 - 31] * pmulhrw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x8000)[16 - 31] * pmulhrsw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x4000)[15 - 30] */ #define PMULHRW(x, y, s, o) \ "pmulhw " #s ", " #x " \n\t" \ "pmulhw " #s ", " #y " \n\t" \ "paddw " #o ", " #x " \n\t" \ "paddw " #o ", " #y " \n\t" \ "psraw $1, " #x " \n\t" \ "psraw $1, " #y " \n\t" #define DEF(x) x ## _mmx #define SET_RND MOVQ_WONE #define SCALE_OFFSET 1 #include "mpegvideoenc_qns_template.c" #undef DEF #undef SET_RND #undef SCALE_OFFSET #undef PMULHRW #define DEF(x) x ## _3dnow #define SET_RND(x) #define SCALE_OFFSET 0 #define PMULHRW(x, y, s, o) \ "pmulhrw " #s ", " #x " \n\t" \ "pmulhrw " #s ", " #y " \n\t" #include "mpegvideoenc_qns_template.c" #undef DEF #undef SET_RND #undef SCALE_OFFSET #undef PMULHRW #if HAVE_SSSE3_INLINE #undef PHADDD #define DEF(x) x ## _ssse3 #define SET_RND(x) #define SCALE_OFFSET -1 #define PHADDD(a, t) \ "pshufw $0x0E, " #a ", " #t " \n\t" \ /* faster than phaddd on core2 */ \ "paddd " #t ", " #a " \n\t" #define PMULHRW(x, y, s, o) \ "pmulhrsw " #s ", " #x " \n\t" \ "pmulhrsw " #s ", " #y " \n\t" #include "mpegvideoenc_qns_template.c" #undef DEF #undef SET_RND #undef SCALE_OFFSET #undef PMULHRW #undef PHADDD #endif /* HAVE_SSSE3_INLINE */ /* Draw the edges of width 'w' of an image of size width, height * this MMX version can only handle w == 8 || w == 16. */ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w, int h, int sides) { uint8_t *ptr, *last_line; int i; last_line = buf + (height - 1) * wrap; /* left and right */ ptr = buf; if (w == 8) { __asm__ volatile ( "1: \n\t" "movd (%0), %%mm0 \n\t" "punpcklbw %%mm0, %%mm0 \n\t" "punpcklwd %%mm0, %%mm0 \n\t" "punpckldq %%mm0, %%mm0 \n\t" "movq %%mm0, -8(%0) \n\t" "movq -8(%0, %2), %%mm1 \n\t" "punpckhbw %%mm1, %%mm1 \n\t" "punpckhwd %%mm1, %%mm1 \n\t" "punpckhdq %%mm1, %%mm1 \n\t" "movq %%mm1, (%0, %2) \n\t" "add %1, %0 \n\t" "cmp %3, %0 \n\t" "jb 1b \n\t" : "+r" (ptr) : "r" ((x86_reg) wrap), "r" ((x86_reg) width), "r" (ptr + wrap * height)); } else if (w == 16) { __asm__ volatile ( "1: \n\t" "movd (%0), %%mm0 \n\t" "punpcklbw %%mm0, %%mm0 \n\t" "punpcklwd %%mm0, %%mm0 \n\t" "punpckldq %%mm0, %%mm0 \n\t" "movq %%mm0, -8(%0) \n\t" "movq %%mm0, -16(%0) \n\t" "movq -8(%0, %2), %%mm1 \n\t" "punpckhbw %%mm1, %%mm1 \n\t" "punpckhwd %%mm1, %%mm1 \n\t" "punpckhdq %%mm1, %%mm1 \n\t" "movq %%mm1, (%0, %2) \n\t" "movq %%mm1, 8(%0, %2) \n\t" "add %1, %0 \n\t" "cmp %3, %0 \n\t" "jb 1b \n\t" : "+r"(ptr) : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height) ); } else { av_assert1(w == 4); __asm__ volatile ( "1: \n\t" "movd (%0), %%mm0 \n\t" "punpcklbw %%mm0, %%mm0 \n\t" "punpcklwd %%mm0, %%mm0 \n\t" "movd %%mm0, -4(%0) \n\t" "movd -4(%0, %2), %%mm1 \n\t" "punpcklbw %%mm1, %%mm1 \n\t" "punpckhwd %%mm1, %%mm1 \n\t" "punpckhdq %%mm1, %%mm1 \n\t" "movd %%mm1, (%0, %2) \n\t" "add %1, %0 \n\t" "cmp %3, %0 \n\t" "jb 1b \n\t" : "+r" (ptr) : "r" ((x86_reg) wrap), "r" ((x86_reg) width), "r" (ptr + wrap * height)); } /* top and bottom (and hopefully also the corners) */ if (sides & EDGE_TOP) { for (i = 0; i < h; i += 4) { ptr = buf - (i + 1) * wrap - w; __asm__ volatile ( "1: \n\t" "movq (%1, %0), %%mm0 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm0, (%0, %2) \n\t" "movq %%mm0, (%0, %2, 2) \n\t" "movq %%mm0, (%0, %3) \n\t" "add $8, %0 \n\t" "cmp %4, %0 \n\t" "jb 1b \n\t" : "+r" (ptr) : "r" ((x86_reg) buf - (x86_reg) ptr - w), "r" ((x86_reg) - wrap), "r" ((x86_reg) - wrap * 3), "r" (ptr + width + 2 * w)); } } if (sides & EDGE_BOTTOM) { for (i = 0; i < h; i += 4) { ptr = last_line + (i + 1) * wrap - w; __asm__ volatile ( "1: \n\t" "movq (%1, %0), %%mm0 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm0, (%0, %2) \n\t" "movq %%mm0, (%0, %2, 2) \n\t" "movq %%mm0, (%0, %3) \n\t" "add $8, %0 \n\t" "cmp %4, %0 \n\t" "jb 1b \n\t" : "+r" (ptr) : "r" ((x86_reg) last_line - (x86_reg) ptr - w), "r" ((x86_reg) wrap), "r" ((x86_reg) wrap * 3), "r" (ptr + width + 2 * w)); } } } #endif /* HAVE_INLINE_ASM */ av_cold void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c, AVCodecContext *avctx) { int cpu_flags = av_get_cpu_flags(); if (EXTERNAL_SSE2(cpu_flags)) { c->pix_sum = ff_pix_sum16_sse2; c->pix_norm1 = ff_pix_norm1_sse2; } if (EXTERNAL_XOP(cpu_flags)) { c->pix_sum = ff_pix_sum16_xop; } #if HAVE_INLINE_ASM if (INLINE_MMX(cpu_flags)) { if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) { c->try_8x8basis = try_8x8basis_mmx; } c->add_8x8basis = add_8x8basis_mmx; if (avctx->bits_per_raw_sample <= 8) { c->draw_edges = draw_edges_mmx; } } if (INLINE_AMD3DNOW(cpu_flags)) { if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) { c->try_8x8basis = try_8x8basis_3dnow; } c->add_8x8basis = add_8x8basis_3dnow; } #if HAVE_SSSE3_INLINE if (INLINE_SSSE3(cpu_flags)) { if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) { c->try_8x8basis = try_8x8basis_ssse3; } c->add_8x8basis = add_8x8basis_ssse3; } #endif /* HAVE_SSSE3_INLINE */ #endif /* HAVE_INLINE_ASM */ }