diff options
Diffstat (limited to 'libavcodec/x86/vp3dsp_init.c')
| -rw-r--r-- | libavcodec/x86/vp3dsp_init.c | 69 |
1 files changed, 65 insertions, 4 deletions
diff --git a/libavcodec/x86/vp3dsp_init.c b/libavcodec/x86/vp3dsp_init.c index 9e38014e4d..1f02a6f709 100644 --- a/libavcodec/x86/vp3dsp_init.c +++ b/libavcodec/x86/vp3dsp_init.c @@ -1,18 +1,20 @@ /* - * This file is part of Libav. + * Copyright (c) 2009 David Conrad <lessen42@gmail.com> * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -21,6 +23,7 @@ #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/x86/cpu.h" +#include "libavutil/x86/asm.h" #include "libavcodec/avcodec.h" #include "libavcodec/dsputil.h" #include "libavcodec/vp3dsp.h" @@ -40,10 +43,68 @@ void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride, 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" + +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_MMX_INLINE */ + av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags) { int cpu_flags = av_get_cpu_flags(); +#if HAVE_MMX_INLINE + c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx; +#endif /* HAVE_MMX_INLINE */ + #if ARCH_X86_32 if (EXTERNAL_MMX(cpu_flags)) { c->idct_put = ff_vp3_idct_put_mmx; |