| /* | |
| * 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(const uint8_t *pix, int line_size); | |
| int ff_pix_sum16_xop(const uint8_t *pix, int line_size); | |
| int ff_pix_norm1_sse2(const 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 */ | |
| } |