diff options
Diffstat (limited to 'libavcodec/x86/hpeldsp_init.c')
| -rw-r--r-- | libavcodec/x86/hpeldsp_init.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/libavcodec/x86/hpeldsp_init.c b/libavcodec/x86/hpeldsp_init.c new file mode 100644 index 0000000..4b877b8 --- /dev/null +++ b/libavcodec/x86/hpeldsp_init.c @@ -0,0 +1,415 @@ +/* + * MMX optimized DSP utils + * Copyright (c) 2000, 2001 Fabrice Bellard + * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> + * + * 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 + * + * MMX optimization by Nick Kurshev <nickols_k@mail.ru> + */ + +#include "libavutil/cpu.h" +#include "libavutil/x86/asm.h" +#include "libavcodec/hpeldsp.h" +#include "dsputil_mmx.h" + +//#undef NDEBUG +//#include <assert.h> + +#if HAVE_YASM +void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_pixels16_x2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_pixels16_x2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block, + const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block, + const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block, + const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block, + const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels8_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +#endif /* HAVE_YASM */ + + +#if HAVE_INLINE_ASM + +#define JUMPALIGN() __asm__ volatile (".p2align 3"::) +#define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::) + +#define MOVQ_BFE(regd) \ + __asm__ volatile ( \ + "pcmpeqd %%"#regd", %%"#regd" \n\t" \ + "paddb %%"#regd", %%"#regd" \n\t" ::) + +#ifndef PIC +#define MOVQ_BONE(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_bone)) +#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo)) +#else +// for shared library it's better to use this way for accessing constants +// pcmpeqd -> -1 +#define MOVQ_BONE(regd) \ + __asm__ volatile ( \ + "pcmpeqd %%"#regd", %%"#regd" \n\t" \ + "psrlw $15, %%"#regd" \n\t" \ + "packuswb %%"#regd", %%"#regd" \n\t" ::) + +#define MOVQ_WTWO(regd) \ + __asm__ volatile ( \ + "pcmpeqd %%"#regd", %%"#regd" \n\t" \ + "psrlw $15, %%"#regd" \n\t" \ + "psllw $1, %%"#regd" \n\t"::) + +#endif + +// using regr as temporary and for the output result +// first argument is unmodifed and second is trashed +// regfe is supposed to contain 0xfefefefefefefefe +#define PAVGB_MMX_NO_RND(rega, regb, regr, regfe) \ + "movq "#rega", "#regr" \n\t" \ + "pand "#regb", "#regr" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pand "#regfe", "#regb" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "paddb "#regb", "#regr" \n\t" + +#define PAVGB_MMX(rega, regb, regr, regfe) \ + "movq "#rega", "#regr" \n\t" \ + "por "#regb", "#regr" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pand "#regfe", "#regb" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "psubb "#regb", "#regr" \n\t" + +// mm6 is supposed to contain 0xfefefefefefefefe +#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \ + "movq "#rega", "#regr" \n\t" \ + "movq "#regc", "#regp" \n\t" \ + "pand "#regb", "#regr" \n\t" \ + "pand "#regd", "#regp" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pxor "#regc", "#regd" \n\t" \ + "pand %%mm6, "#regb" \n\t" \ + "pand %%mm6, "#regd" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "psrlq $1, "#regd" \n\t" \ + "paddb "#regb", "#regr" \n\t" \ + "paddb "#regd", "#regp" \n\t" + +#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \ + "movq "#rega", "#regr" \n\t" \ + "movq "#regc", "#regp" \n\t" \ + "por "#regb", "#regr" \n\t" \ + "por "#regd", "#regp" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pxor "#regc", "#regd" \n\t" \ + "pand %%mm6, "#regb" \n\t" \ + "pand %%mm6, "#regd" \n\t" \ + "psrlq $1, "#regd" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "psubb "#regb", "#regr" \n\t" \ + "psubb "#regd", "#regp" \n\t" + +/***********************************/ +/* MMX no rounding */ +#define NO_RND 1 +#define DEF(x, y) x ## _no_rnd_ ## y ## _mmx +#define SET_RND MOVQ_WONE +#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX_NO_RND(a, b, c, d, e, f) +#define PAVGB(a, b, c, e) PAVGB_MMX_NO_RND(a, b, c, e) +#define OP_AVG(a, b, c, e) PAVGB_MMX(a, b, c, e) + +#include "hpeldsp_rnd_template.c" + +#undef DEF +#undef SET_RND +#undef PAVGBP +#undef PAVGB +#undef NO_RND +/***********************************/ +/* MMX rounding */ + +#define DEF(x, y) x ## _ ## y ## _mmx +#define SET_RND MOVQ_WTWO +#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX(a, b, c, d, e, f) +#define PAVGB(a, b, c, e) PAVGB_MMX(a, b, c, e) + +#include "hpeldsp_rnd_template.c" + +#undef DEF +#undef SET_RND +#undef PAVGBP +#undef PAVGB +#undef OP_AVG + +#endif /* HAVE_INLINE_ASM */ + + +#if HAVE_YASM +#define ff_put_pixels8_mmx ff_put_pixels8_mmxext + +/***********************************/ +/* 3Dnow specific */ + +#define DEF(x) x ## _3dnow + +#include "hpeldsp_avg_template.c" + +#undef DEF + +/***********************************/ +/* MMXEXT specific */ + +#define DEF(x) x ## _mmxext + +#include "hpeldsp_avg_template.c" + +#undef DEF + +#endif /* HAVE_YASM */ + + +#if HAVE_INLINE_ASM +#define put_no_rnd_pixels16_mmx put_pixels16_mmx +#define put_no_rnd_pixels8_mmx put_pixels8_mmx +#define put_pixels16_mmxext put_pixels16_mmx +#define put_pixels8_mmxext put_pixels8_mmx +#define put_pixels4_mmxext put_pixels4_mmx +#define put_no_rnd_pixels16_mmxext put_no_rnd_pixels16_mmx +#define put_no_rnd_pixels8_mmxext put_no_rnd_pixels8_mmx + +static void put_pixels8_mmx(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h) +{ + __asm__ volatile ( + "lea (%3, %3), %%"REG_a" \n\t" + ".p2align 3 \n\t" + "1: \n\t" + "movq (%1 ), %%mm0 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "movq %%mm0, (%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "add %%"REG_a", %1 \n\t" + "add %%"REG_a", %2 \n\t" + "movq (%1 ), %%mm0 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "movq %%mm0, (%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "add %%"REG_a", %1 \n\t" + "add %%"REG_a", %2 \n\t" + "subl $4, %0 \n\t" + "jnz 1b \n\t" + : "+g"(h), "+r"(pixels), "+r"(block) + : "r"((x86_reg)line_size) + : "%"REG_a, "memory" + ); +} + +static void put_pixels16_mmx(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h) +{ + __asm__ volatile ( + "lea (%3, %3), %%"REG_a" \n\t" + ".p2align 3 \n\t" + "1: \n\t" + "movq (%1 ), %%mm0 \n\t" + "movq 8(%1 ), %%mm4 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "movq 8(%1, %3), %%mm5 \n\t" + "movq %%mm0, (%2) \n\t" + "movq %%mm4, 8(%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "movq %%mm5, 8(%2, %3) \n\t" + "add %%"REG_a", %1 \n\t" + "add %%"REG_a", %2 \n\t" + "movq (%1 ), %%mm0 \n\t" + "movq 8(%1 ), %%mm4 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "movq 8(%1, %3), %%mm5 \n\t" + "movq %%mm0, (%2) \n\t" + "movq %%mm4, 8(%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "movq %%mm5, 8(%2, %3) \n\t" + "add %%"REG_a", %1 \n\t" + "add %%"REG_a", %2 \n\t" + "subl $4, %0 \n\t" + "jnz 1b \n\t" + : "+g"(h), "+r"(pixels), "+r"(block) + : "r"((x86_reg)line_size) + : "%"REG_a, "memory" + ); +} +#endif /* HAVE_INLINE_ASM */ + +void ff_put_pixels16_sse2(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); +void ff_avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels, + ptrdiff_t line_size, int h); + +#define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \ + do { \ + c->PFX ## _pixels_tab IDX [0] = PFX ## _pixels ## SIZE ## _ ## CPU; \ + c->PFX ## _pixels_tab IDX [1] = PFX ## _pixels ## SIZE ## _x2_ ## CPU; \ + c->PFX ## _pixels_tab IDX [2] = PFX ## _pixels ## SIZE ## _y2_ ## CPU; \ + c->PFX ## _pixels_tab IDX [3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \ + } while (0) + +static void hpeldsp_init_mmx(HpelDSPContext *c, int flags, int mm_flags) +{ +#if HAVE_INLINE_ASM + SET_HPEL_FUNCS(put, [0], 16, mmx); + SET_HPEL_FUNCS(put_no_rnd, [0], 16, mmx); + SET_HPEL_FUNCS(avg, [0], 16, mmx); + SET_HPEL_FUNCS(avg_no_rnd, , 16, mmx); + SET_HPEL_FUNCS(put, [1], 8, mmx); + SET_HPEL_FUNCS(put_no_rnd, [1], 8, mmx); + SET_HPEL_FUNCS(avg, [1], 8, mmx); +#endif /* HAVE_INLINE_ASM */ +} + +static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int mm_flags) +{ +#if HAVE_YASM + c->put_pixels_tab[0][1] = ff_put_pixels16_x2_mmxext; + c->put_pixels_tab[0][2] = ff_put_pixels16_y2_mmxext; + + c->avg_pixels_tab[0][0] = ff_avg_pixels16_mmxext; + c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_mmxext; + c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_mmxext; + + c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext; + c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext; + + c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext; + c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext; + c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext; + + if (!(flags & CODEC_FLAG_BITEXACT)) { + c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_mmxext; + c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_mmxext; + c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext; + c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext; + + c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_mmxext; + c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext; + } +#endif /* HAVE_YASM */ + +#if HAVE_MMXEXT_EXTERNAL + if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) { + c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext; + c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext; + } +#endif /* HAVE_MMXEXT_EXTERNAL */ +} + +static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int mm_flags) +{ +#if HAVE_YASM + c->put_pixels_tab[0][1] = ff_put_pixels16_x2_3dnow; + c->put_pixels_tab[0][2] = ff_put_pixels16_y2_3dnow; + + c->avg_pixels_tab[0][0] = ff_avg_pixels16_3dnow; + c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_3dnow; + c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_3dnow; + + c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow; + c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow; + + c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow; + c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow; + c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow; + + if (!(flags & CODEC_FLAG_BITEXACT)){ + c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_3dnow; + c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_3dnow; + c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow; + c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_3dnow; + + c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_3dnow; + c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow; + } + + if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) { + c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow; + c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow; + } +#endif /* HAVE_YASM */ +} + +static void hpeldsp_init_sse2(HpelDSPContext *c, int flags, int mm_flags) +{ +#if HAVE_SSE2_EXTERNAL + if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) { + // these functions are slower than mmx on AMD, but faster on Intel + c->put_pixels_tab[0][0] = ff_put_pixels16_sse2; + c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2; + c->avg_pixels_tab[0][0] = ff_avg_pixels16_sse2; + } +#endif /* HAVE_SSE2_EXTERNAL */ +} + +void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags) +{ + int mm_flags = av_get_cpu_flags(); + + if (mm_flags & AV_CPU_FLAG_MMX) + hpeldsp_init_mmx(c, flags, mm_flags); + + if (mm_flags & AV_CPU_FLAG_MMXEXT) + hpeldsp_init_mmxext(c, flags, mm_flags); + + if (mm_flags & AV_CPU_FLAG_3DNOW) + hpeldsp_init_3dnow(c, flags, mm_flags); + + if (mm_flags & AV_CPU_FLAG_SSE2) + hpeldsp_init_sse2(c, flags, mm_flags); +} |
