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Diffstat (limited to 'libmpcodecs/vf_decimate.c')
-rw-r--r--libmpcodecs/vf_decimate.c198
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
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 10:13:16 +0000