diff options
Diffstat (limited to 'libmpcodecs/vf_decimate.c')
-rw-r--r-- | libmpcodecs/vf_decimate.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/libmpcodecs/vf_decimate.c b/libmpcodecs/vf_decimate.c deleted file mode 100644 index 4ee78b420b..0000000000 --- a/libmpcodecs/vf_decimate.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * 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 -}; |