| /* |
| * This file is part of MPlayer. |
| * |
| * MPlayer 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. |
| * |
| * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "config.h" |
| #include "mp_msg.h" |
| #include "cpudetect.h" |
| |
| #include "img_format.h" |
| #include "mp_image.h" |
| #include "vf.h" |
| |
| #include "libvo/fastmemcpy.h" |
| |
| |
| struct vf_priv_s { |
| int hi, lo; |
| float frac; |
| int max, last, cnt; |
| }; |
| |
| #if HAVE_MMX && HAVE_EBX_AVAILABLE |
| static int diff_MMX(unsigned char *old, unsigned char *new, int os, int ns) |
| { |
| volatile short out[4]; |
| __asm__ ( |
| "movl $8, %%ecx \n\t" |
| "pxor %%mm4, %%mm4 \n\t" |
| "pxor %%mm7, %%mm7 \n\t" |
| |
| ASMALIGN(4) |
| "1: \n\t" |
| |
| "movq (%%"REG_S"), %%mm0 \n\t" |
| "movq (%%"REG_S"), %%mm2 \n\t" |
| "add %%"REG_a", %%"REG_S" \n\t" |
| "movq (%%"REG_D"), %%mm1 \n\t" |
| "add %%"REG_b", %%"REG_D" \n\t" |
| "psubusb %%mm1, %%mm2 \n\t" |
| "psubusb %%mm0, %%mm1 \n\t" |
| "movq %%mm2, %%mm0 \n\t" |
| "movq %%mm1, %%mm3 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm1 \n\t" |
| "punpckhbw %%mm7, %%mm2 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "paddw %%mm0, %%mm4 \n\t" |
| "paddw %%mm1, %%mm4 \n\t" |
| "paddw %%mm2, %%mm4 \n\t" |
| "paddw %%mm3, %%mm4 \n\t" |
| |
| "decl %%ecx \n\t" |
| "jnz 1b \n\t" |
| "movq %%mm4, (%%"REG_d") \n\t" |
| "emms \n\t" |
| : |
| : "S" (old), "D" (new), "a" ((long)os), "b" ((long)ns), "d" (out) |
| : "%ecx", "memory" |
| ); |
| return out[0]+out[1]+out[2]+out[3]; |
| } |
| #endif |
| |
| static int diff_C(unsigned char *old, unsigned char *new, int os, int ns) |
| { |
| int x, y, d=0; |
| for (y = 8; y; y--) { |
| for (x = 8; x; x--) { |
| d += abs(new[x] - old[x]); |
| } |
| new += ns; |
| old += os; |
| } |
| return d; |
| } |
| |
| static int (*diff)(unsigned char *, unsigned char *, int, int); |
| |
| static int diff_to_drop_plane(int hi, int lo, float frac, unsigned char *old, unsigned char *new, int w, int h, int os, int ns) |
| { |
| int x, y; |
| int d, c=0; |
| int t = (w/16)*(h/16)*frac; |
| for (y = 0; y < h-7; y += 4) { |
| for (x = 8; x < w-7; x += 4) { |
| d = diff(old+x+y*os, new+x+y*ns, os, ns); |
| if (d > hi) return 0; |
| if (d > lo) { |
| c++; |
| if (c > t) return 0; |
| } |
| } |
| } |
| return 1; |
| } |
| |
| static int diff_to_drop(int hi, int lo, float frac, mp_image_t *old, mp_image_t *new) |
| { |
| if (new->flags & MP_IMGFLAG_PLANAR) { |
| return diff_to_drop_plane(hi,lo,frac, old->planes[0], new->planes[0], |
| new->w, new->h, old->stride[0], new->stride[0]) |
| && diff_to_drop_plane(hi,lo,frac, old->planes[1], new->planes[1], |
| new->chroma_width, new->chroma_height, |
| old->stride[1], new->stride[1]) |
| && diff_to_drop_plane(hi,lo,frac, old->planes[2], new->planes[2], |
| new->chroma_width, new->chroma_height, |
| old->stride[2], new->stride[2]); |
| } |
| return diff_to_drop_plane(hi,lo,frac, old->planes[0], new->planes[0], |
| new->w*(new->bpp/8), new->h, old->stride[0], new->stride[0]); |
| } |
| |
| static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) |
| { |
| mp_image_t *dmpi; |
| |
| dmpi = vf_get_image(vf->next, mpi->imgfmt, |
| MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE | |
| MP_IMGFLAG_PRESERVE | MP_IMGFLAG_READABLE, |
| mpi->width, mpi->height); |
| dmpi->qscale = mpi->qscale; |
| dmpi->qstride = mpi->qstride; |
| dmpi->qscale_type = mpi->qscale_type; |
| |
| if (diff_to_drop(vf->priv->hi, vf->priv->lo, vf->priv->frac, dmpi, mpi)) { |
| if (vf->priv->max == 0) |
| return 0; |
| else if ((vf->priv->max > 0) && (vf->priv->cnt++ < vf->priv->max)) |
| return 0; |
| else if ((vf->priv->max < 0) && (vf->priv->last+1 >= -vf->priv->max)) |
| return vf->priv->last=0; |
| } |
| vf->priv->last++; |
| vf->priv->cnt=0; |
| |
| memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, |
| dmpi->stride[0], mpi->stride[0]); |
| if (mpi->flags & MP_IMGFLAG_PLANAR) { |
| memcpy_pic(dmpi->planes[1], mpi->planes[1], |
| mpi->chroma_width, mpi->chroma_height, |
| dmpi->stride[1], mpi->stride[1]); |
| memcpy_pic(dmpi->planes[2], mpi->planes[2], |
| mpi->chroma_width, mpi->chroma_height, |
| dmpi->stride[2], mpi->stride[2]); |
| } |
| return vf_next_put_image(vf, dmpi, pts); |
| } |
| |
| static void uninit(struct vf_instance *vf) |
| { |
| free(vf->priv); |
| } |
| |
| static int vf_open(vf_instance_t *vf, char *args) |
| { |
| struct vf_priv_s *p; |
| vf->put_image = put_image; |
| vf->uninit = uninit; |
| vf->default_reqs = VFCAP_ACCEPT_STRIDE; |
| vf->priv = p = calloc(1, sizeof(struct vf_priv_s)); |
| p->max = 0; |
| p->hi = 64*12; |
| p->lo = 64*5; |
| p->frac = 0.33; |
| if (args) sscanf(args, "%d:%d:%d:%f", &p->max, &p->hi, &p->lo, &p->frac); |
| diff = diff_C; |
| #if HAVE_MMX && HAVE_EBX_AVAILABLE |
| if(gCpuCaps.hasMMX) diff = diff_MMX; |
| #endif |
| return 1; |
| } |
| |
| const vf_info_t vf_info_decimate = { |
| "near-duplicate frame remover", |
| "decimate", |
| "Rich Felker", |
| "", |
| vf_open, |
| NULL |
| }; |