| /* |
| * Copyright (c) 2009 David Conrad <lessen42@gmail.com> |
| * |
| * 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 <stdint.h> |
| |
| #include "libavutil/attributes.h" |
| #include "libavutil/cpu.h" |
| #include "libavutil/x86/cpu.h" |
| #include "libavutil/x86/asm.h" |
| #include "libavcodec/avcodec.h" |
| #include "libavcodec/vp3dsp.h" |
| #include "config.h" |
| |
| void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block); |
| void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block); |
| |
| void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, int16_t *block); |
| void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, int16_t *block); |
| |
| void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size, |
| int16_t *block); |
| |
| void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride, |
| int *bounding_values); |
| void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride, |
| int *bounding_values); |
| |
| #if HAVE_MMX_INLINE |
| |
| #define MOVQ_BFE(regd) \ |
| __asm__ volatile ( \ |
| "pcmpeqd %%"#regd", %%"#regd" \n\t" \ |
| "paddb %%"#regd", %%"#regd" \n\t" ::) |
| |
| #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" |
| |
| #if HAVE_6REGS |
| static void put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h) |
| { |
| // START_TIMER |
| MOVQ_BFE(mm6); |
| __asm__ volatile( |
| "1: \n\t" |
| "movq (%1), %%mm0 \n\t" |
| "movq (%2), %%mm1 \n\t" |
| "movq (%1,%4), %%mm2 \n\t" |
| "movq (%2,%4), %%mm3 \n\t" |
| PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
| "movq %%mm4, (%3) \n\t" |
| "movq %%mm5, (%3,%4) \n\t" |
| |
| "movq (%1,%4,2), %%mm0 \n\t" |
| "movq (%2,%4,2), %%mm1 \n\t" |
| "movq (%1,%5), %%mm2 \n\t" |
| "movq (%2,%5), %%mm3 \n\t" |
| "lea (%1,%4,4), %1 \n\t" |
| "lea (%2,%4,4), %2 \n\t" |
| PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
| "movq %%mm4, (%3,%4,2) \n\t" |
| "movq %%mm5, (%3,%5) \n\t" |
| "lea (%3,%4,4), %3 \n\t" |
| "subl $4, %0 \n\t" |
| "jnz 1b \n\t" |
| :"+r"(h), "+r"(a), "+r"(b), "+r"(dst) |
| :"r"((x86_reg)stride), "r"((x86_reg)3L*stride) |
| :"memory"); |
| // STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx") |
| } |
| #endif /*HAVE_6REGS */ |
| #endif /* HAVE_MMX_INLINE */ |
| |
| av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| #if HAVE_6REGS && HAVE_MMX_INLINE |
| c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx; |
| #endif /* HAVE_6REGS && HAVE_MMX_INLINE */ |
| |
| #if ARCH_X86_32 |
| if (EXTERNAL_MMX(cpu_flags)) { |
| c->idct_put = ff_vp3_idct_put_mmx; |
| c->idct_add = ff_vp3_idct_add_mmx; |
| } |
| #endif |
| |
| if (EXTERNAL_MMXEXT(cpu_flags)) { |
| c->idct_dc_add = ff_vp3_idct_dc_add_mmxext; |
| |
| if (!(flags & CODEC_FLAG_BITEXACT)) { |
| c->v_loop_filter = ff_vp3_v_loop_filter_mmxext; |
| c->h_loop_filter = ff_vp3_h_loop_filter_mmxext; |
| } |
| } |
| |
| if (EXTERNAL_SSE2(cpu_flags)) { |
| c->idct_put = ff_vp3_idct_put_sse2; |
| c->idct_add = ff_vp3_idct_add_sse2; |
| } |
| } |