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Diffstat (limited to 'libavfilter/x86/vf_spp.c')
-rw-r--r-- | libavfilter/x86/vf_spp.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_spp.c b/libavfilter/x86/vf_spp.c new file mode 100644 index 0000000..1cfb9e8 --- /dev/null +++ b/libavfilter/x86/vf_spp.c @@ -0,0 +1,235 @@ +/* + * Copyright (c) 2003 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 General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU 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/cpu.h" +#include "libavutil/mem.h" +#include "libavutil/x86/asm.h" +#include "libavfilter/vf_spp.h" + +#if HAVE_MMX_INLINE +static void hardthresh_mmx(int16_t dst[64], const int16_t src[64], + int qp, const uint8_t *permutation) +{ + int bias = 0; //FIXME + unsigned int threshold1; + + threshold1 = qp * ((1<<4) - bias) - 1; + +#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \ + "movq " #src0 ", %%mm0 \n" \ + "movq " #src1 ", %%mm1 \n" \ + "movq " #src2 ", %%mm2 \n" \ + "movq " #src3 ", %%mm3 \n" \ + "psubw %%mm4, %%mm0 \n" \ + "psubw %%mm4, %%mm1 \n" \ + "psubw %%mm4, %%mm2 \n" \ + "psubw %%mm4, %%mm3 \n" \ + "paddusw %%mm5, %%mm0 \n" \ + "paddusw %%mm5, %%mm1 \n" \ + "paddusw %%mm5, %%mm2 \n" \ + "paddusw %%mm5, %%mm3 \n" \ + "paddw %%mm6, %%mm0 \n" \ + "paddw %%mm6, %%mm1 \n" \ + "paddw %%mm6, %%mm2 \n" \ + "paddw %%mm6, %%mm3 \n" \ + "psubusw %%mm6, %%mm0 \n" \ + "psubusw %%mm6, %%mm1 \n" \ + "psubusw %%mm6, %%mm2 \n" \ + "psubusw %%mm6, %%mm3 \n" \ + "psraw $3, %%mm0 \n" \ + "psraw $3, %%mm1 \n" \ + "psraw $3, %%mm2 \n" \ + "psraw $3, %%mm3 \n" \ + \ + "movq %%mm0, %%mm7 \n" \ + "punpcklwd %%mm2, %%mm0 \n" /*A*/ \ + "punpckhwd %%mm2, %%mm7 \n" /*C*/ \ + "movq %%mm1, %%mm2 \n" \ + "punpcklwd %%mm3, %%mm1 \n" /*B*/ \ + "punpckhwd %%mm3, %%mm2 \n" /*D*/ \ + "movq %%mm0, %%mm3 \n" \ + "punpcklwd %%mm1, %%mm0 \n" /*A*/ \ + "punpckhwd %%mm7, %%mm3 \n" /*C*/ \ + "punpcklwd %%mm2, %%mm7 \n" /*B*/ \ + "punpckhwd %%mm2, %%mm1 \n" /*D*/ \ + \ + "movq %%mm0, " #dst0 " \n" \ + "movq %%mm7, " #dst1 " \n" \ + "movq %%mm3, " #dst2 " \n" \ + "movq %%mm1, " #dst3 " \n" + + __asm__ volatile( + "movd %2, %%mm4 \n" + "movd %3, %%mm5 \n" + "movd %4, %%mm6 \n" + "packssdw %%mm4, %%mm4 \n" + "packssdw %%mm5, %%mm5 \n" + "packssdw %%mm6, %%mm6 \n" + "packssdw %%mm4, %%mm4 \n" + "packssdw %%mm5, %%mm5 \n" + "packssdw %%mm6, %%mm6 \n" + REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0)) + REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0)) + REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0)) + REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0)) + : : "r" (src), "r" (dst), "g" (threshold1+1), "g" (threshold1+5), "g" (threshold1-4) //FIXME maybe more accurate then needed? + ); + dst[0] = (src[0] + 4) >> 3; +} + +static void softthresh_mmx(int16_t dst[64], const int16_t src[64], + int qp, const uint8_t *permutation) +{ + int bias = 0; //FIXME + unsigned int threshold1; + + threshold1 = qp*((1<<4) - bias) - 1; + +#undef REQUANT_CORE +#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \ + "movq " #src0 ", %%mm0 \n" \ + "movq " #src1 ", %%mm1 \n" \ + "pxor %%mm6, %%mm6 \n" \ + "pxor %%mm7, %%mm7 \n" \ + "pcmpgtw %%mm0, %%mm6 \n" \ + "pcmpgtw %%mm1, %%mm7 \n" \ + "pxor %%mm6, %%mm0 \n" \ + "pxor %%mm7, %%mm1 \n" \ + "psubusw %%mm4, %%mm0 \n" \ + "psubusw %%mm4, %%mm1 \n" \ + "pxor %%mm6, %%mm0 \n" \ + "pxor %%mm7, %%mm1 \n" \ + "movq " #src2 ", %%mm2 \n" \ + "movq " #src3 ", %%mm3 \n" \ + "pxor %%mm6, %%mm6 \n" \ + "pxor %%mm7, %%mm7 \n" \ + "pcmpgtw %%mm2, %%mm6 \n" \ + "pcmpgtw %%mm3, %%mm7 \n" \ + "pxor %%mm6, %%mm2 \n" \ + "pxor %%mm7, %%mm3 \n" \ + "psubusw %%mm4, %%mm2 \n" \ + "psubusw %%mm4, %%mm3 \n" \ + "pxor %%mm6, %%mm2 \n" \ + "pxor %%mm7, %%mm3 \n" \ + \ + "paddsw %%mm5, %%mm0 \n" \ + "paddsw %%mm5, %%mm1 \n" \ + "paddsw %%mm5, %%mm2 \n" \ + "paddsw %%mm5, %%mm3 \n" \ + "psraw $3, %%mm0 \n" \ + "psraw $3, %%mm1 \n" \ + "psraw $3, %%mm2 \n" \ + "psraw $3, %%mm3 \n" \ + \ + "movq %%mm0, %%mm7 \n" \ + "punpcklwd %%mm2, %%mm0 \n" /*A*/ \ + "punpckhwd %%mm2, %%mm7 \n" /*C*/ \ + "movq %%mm1, %%mm2 \n" \ + "punpcklwd %%mm3, %%mm1 \n" /*B*/ \ + "punpckhwd %%mm3, %%mm2 \n" /*D*/ \ + "movq %%mm0, %%mm3 \n" \ + "punpcklwd %%mm1, %%mm0 \n" /*A*/ \ + "punpckhwd %%mm7, %%mm3 \n" /*C*/ \ + "punpcklwd %%mm2, %%mm7 \n" /*B*/ \ + "punpckhwd %%mm2, %%mm1 \n" /*D*/ \ + \ + "movq %%mm0, " #dst0 " \n" \ + "movq %%mm7, " #dst1 " \n" \ + "movq %%mm3, " #dst2 " \n" \ + "movq %%mm1, " #dst3 " \n" + + __asm__ volatile( + "movd %2, %%mm4 \n" + "movd %3, %%mm5 \n" + "packssdw %%mm4, %%mm4 \n" + "packssdw %%mm5, %%mm5 \n" + "packssdw %%mm4, %%mm4 \n" + "packssdw %%mm5, %%mm5 \n" + REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0)) + REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0)) + REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0)) + REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0)) + : : "r" (src), "r" (dst), "g" (threshold1), "rm" (4) //FIXME maybe more accurate then needed? + ); + + dst[0] = (src[0] + 4) >> 3; +} + +static void store_slice_mmx(uint8_t *dst, const int16_t *src, + int dst_stride, int src_stride, + int width, int height, int log2_scale, + const uint8_t dither[8][8]) +{ + int y; + + for (y = 0; y < height; y++) { + uint8_t *dst1 = dst; + const int16_t *src1 = src; + __asm__ volatile( + "movq (%3), %%mm3 \n" + "movq (%3), %%mm4 \n" + "movd %4, %%mm2 \n" + "pxor %%mm0, %%mm0 \n" + "punpcklbw %%mm0, %%mm3 \n" + "punpckhbw %%mm0, %%mm4 \n" + "psraw %%mm2, %%mm3 \n" + "psraw %%mm2, %%mm4 \n" + "movd %5, %%mm2 \n" + "1: \n" + "movq (%0), %%mm0 \n" + "movq 8(%0), %%mm1 \n" + "paddw %%mm3, %%mm0 \n" + "paddw %%mm4, %%mm1 \n" + "psraw %%mm2, %%mm0 \n" + "psraw %%mm2, %%mm1 \n" + "packuswb %%mm1, %%mm0 \n" + "movq %%mm0, (%1) \n" + "add $16, %0 \n" + "add $8, %1 \n" + "cmp %2, %1 \n" + " jb 1b \n" + : "+r" (src1), "+r"(dst1) + : "r"(dst + width), "r"(dither[y]), "g"(log2_scale), "g"(MAX_LEVEL - log2_scale) + ); + src += src_stride; + dst += dst_stride; + } +} + +#endif /* HAVE_MMX_INLINE */ + +av_cold void ff_spp_init_x86(SPPContext *s) +{ +#if HAVE_MMX_INLINE + int cpu_flags = av_get_cpu_flags(); + + if (cpu_flags & AV_CPU_FLAG_MMX) { + s->store_slice = store_slice_mmx; + if (av_get_int(s->dct, "bits_per_sample", NULL) <= 8) { + switch (s->mode) { + case 0: s->requantize = hardthresh_mmx; break; + case 1: s->requantize = softthresh_mmx; break; + } + } + } +#endif +} |