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-rw-r--r--libmpcodecs/vf_phase.c303
1 files changed, 0 insertions, 303 deletions
diff --git a/libmpcodecs/vf_phase.c b/libmpcodecs/vf_phase.c
deleted file mode 100644
index 568c8f1f45..0000000000
--- a/libmpcodecs/vf_phase.c
+++ /dev/null
@@ -1,303 +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 <limits.h>
-
-#include "config.h"
-#include "mp_msg.h"
-
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-
-#include "libvo/fastmemcpy.h"
-
-enum mode { PROGRESSIVE, TOP_FIRST, BOTTOM_FIRST,
- TOP_FIRST_ANALYZE, BOTTOM_FIRST_ANALYZE,
- ANALYZE, FULL_ANALYZE, AUTO, AUTO_ANALYZE };
-
-#define fixed_mode(p) ((p)<=BOTTOM_FIRST)
-
-struct vf_priv_s
- {
- enum mode mode;
- int verbose;
- unsigned char *buf[3];
- };
-
-/*
- * Copy fields from either current or buffered previous frame to the
- * output and store the current frame unmodified to the buffer.
- */
-
-static void do_plane(unsigned char *to, unsigned char *from,
- int w, int h, int ts, int fs,
- unsigned char **bufp, enum mode mode)
- {
- unsigned char *buf, *end;
- int top;
-
- if(!*bufp)
- {
- mode=PROGRESSIVE;
- if(!(*bufp=malloc(h*w))) return;
- }
-
- for(end=to+h*ts, buf=*bufp, top=1; to<end; from+=fs, to+=ts, buf+=w, top^=1)
- {
- memcpy(to, mode==(top?BOTTOM_FIRST:TOP_FIRST)?buf:from, w);
- memcpy(buf, from, w);
- }
- }
-
-/*
- * This macro interpolates the value of both fields at a point halfway
- * between lines and takes the squared difference. In field resolution
- * the point is a quarter pixel below a line in one field and a quarter
- * pixel above a line in other.
- *
- * (the result is actually multiplied by 25)
- */
-
-#define diff(a, as, b, bs) (t=((*a-b[bs])<<2)+a[as<<1]-b[-bs], t*t)
-
-/*
- * Find which field combination has the smallest average squared difference
- * between the fields.
- */
-
-static enum mode analyze_plane(unsigned char *old, unsigned char *new,
- int w, int h, int os, int ns, enum mode mode,
- int verbose, int fields)
- {
- double bdiff, pdiff, tdiff, scale;
- int bdif, tdif, pdif;
- int top, t;
- unsigned char *end, *rend;
-
- if(mode==AUTO)
- mode=fields&MP_IMGFIELD_ORDERED?fields&MP_IMGFIELD_TOP_FIRST?
- TOP_FIRST:BOTTOM_FIRST:PROGRESSIVE;
- else if(mode==AUTO_ANALYZE)
- mode=fields&MP_IMGFIELD_ORDERED?fields&MP_IMGFIELD_TOP_FIRST?
- TOP_FIRST_ANALYZE:BOTTOM_FIRST_ANALYZE:FULL_ANALYZE;
-
- if(fixed_mode(mode))
- bdiff=pdiff=tdiff=65536.0;
- else
- {
- bdiff=pdiff=tdiff=0.0;
-
- for(end=new+(h-2)*ns, new+=ns, old+=os, top=0;
- new<end; new+=ns-w, old+=os-w, top^=1)
- {
- pdif=tdif=bdif=0;
-
- switch(mode)
- {
- case TOP_FIRST_ANALYZE:
- if(top)
- for(rend=new+w; new<rend; new++, old++)
- pdif+=diff(new, ns, new, ns),
- tdif+=diff(new, ns, old, os);
- else
- for(rend=new+w; new<rend; new++, old++)
- pdif+=diff(new, ns, new, ns),
- tdif+=diff(old, os, new, ns);
- break;
-
- case BOTTOM_FIRST_ANALYZE:
- if(top)
- for(rend=new+w; new<rend; new++, old++)
- pdif+=diff(new, ns, new, ns),
- bdif+=diff(old, os, new, ns);
- else
- for(rend=new+w; new<rend; new++, old++)
- pdif+=diff(new, ns, new, ns),
- bdif+=diff(new, ns, old, os);
- break;
-
- case ANALYZE:
- if(top)
- for(rend=new+w; new<rend; new++, old++)
- tdif+=diff(new, ns, old, os),
- bdif+=diff(old, os, new, ns);
- else
- for(rend=new+w; new<rend; new++, old++)
- bdif+=diff(new, ns, old, os),
- tdif+=diff(old, os, new, ns);
- break;
-
- default: /* FULL_ANALYZE */
- if(top)
- for(rend=new+w; new<rend; new++, old++)
- pdif+=diff(new, ns, new, ns),
- tdif+=diff(new, ns, old, os),
- bdif+=diff(old, os, new, ns);
- else
- for(rend=new+w; new<rend; new++, old++)
- pdif+=diff(new, ns, new, ns),
- bdif+=diff(new, ns, old, os),
- tdif+=diff(old, os, new, ns);
- }
-
- pdiff+=(double)pdif;
- tdiff+=(double)tdif;
- bdiff+=(double)bdif;
- }
-
- scale=1.0/(w*(h-3))/25.0;
- pdiff*=scale;
- tdiff*=scale;
- bdiff*=scale;
-
- if(mode==TOP_FIRST_ANALYZE)
- bdiff=65536.0;
- else if(mode==BOTTOM_FIRST_ANALYZE)
- tdiff=65536.0;
- else if(mode==ANALYZE)
- pdiff=65536.0;
-
- if(bdiff<pdiff && bdiff<tdiff)
- mode=BOTTOM_FIRST;
- else if(tdiff<pdiff && tdiff<bdiff)
- mode=TOP_FIRST;
- else
- mode=PROGRESSIVE;
- }
-
- if( mp_msg_test(MSGT_VFILTER,MSGL_V) )
- {
- mp_msg(MSGT_VFILTER, MSGL_INFO, "%c", mode==BOTTOM_FIRST?'b':mode==TOP_FIRST?'t':'p');
- if(tdiff==65536.0) mp_msg(MSGT_VFILTER, MSGL_INFO," N/A "); else mp_msg(MSGT_VFILTER, MSGL_INFO," %8.2f", tdiff);
- if(bdiff==65536.0) mp_msg(MSGT_VFILTER, MSGL_INFO," N/A "); else mp_msg(MSGT_VFILTER, MSGL_INFO," %8.2f", bdiff);
- if(pdiff==65536.0) mp_msg(MSGT_VFILTER, MSGL_INFO," N/A "); else mp_msg(MSGT_VFILTER, MSGL_INFO," %8.2f", pdiff);
- mp_msg(MSGT_VFILTER, MSGL_INFO," \n");
- }
-
- return mode;
- }
-
-static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
- {
- mp_image_t *dmpi;
- int w;
- enum mode mode;
-
- if(!(dmpi=vf_get_image(vf->next, mpi->imgfmt,
- MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
- mpi->w, mpi->h)))
- return 0;
-
- w=dmpi->w;
- if(!(dmpi->flags&MP_IMGFLAG_PLANAR))
- w*=dmpi->bpp/8;
-
- mode=vf->priv->mode;
-
- if(!vf->priv->buf[0])
- mode=PROGRESSIVE;
- else
- mode=analyze_plane(vf->priv->buf[0], mpi->planes[0],
- w, dmpi->h, w, mpi->stride[0], mode,
- vf->priv->verbose, mpi->fields);
-
- do_plane(dmpi->planes[0], mpi->planes[0],
- w, dmpi->h,
- dmpi->stride[0], mpi->stride[0],
- &vf->priv->buf[0], mode);
-
- if(dmpi->flags&MP_IMGFLAG_PLANAR)
- {
- do_plane(dmpi->planes[1], mpi->planes[1],
- dmpi->chroma_width, dmpi->chroma_height,
- dmpi->stride[1], mpi->stride[1],
- &vf->priv->buf[1], mode);
- do_plane(dmpi->planes[2], mpi->planes[2],
- dmpi->chroma_width, dmpi->chroma_height,
- dmpi->stride[2], mpi->stride[2],
- &vf->priv->buf[2], mode);
- }
-
- return vf_next_put_image(vf, dmpi, pts);
- }
-
-static void uninit(struct vf_instance *vf)
- {
- if (!vf->priv)
- return;
- free(vf->priv->buf[0]);
- free(vf->priv->buf[1]);
- free(vf->priv->buf[2]);
- free(vf->priv);
- }
-
-static int vf_open(vf_instance_t *vf, char *args)
- {
- vf->put_image = put_image;
- vf->uninit = uninit;
- vf->default_reqs = VFCAP_ACCEPT_STRIDE;
-
- if(!(vf->priv = calloc(1, sizeof(struct vf_priv_s))))
- {
- uninit(vf);
- return 0;
- }
-
- vf->priv->mode=AUTO_ANALYZE;
- vf->priv->verbose=0;
-
- while(args && *args)
- {
- switch(*args)
- {
- case 't': vf->priv->mode=TOP_FIRST; break;
- case 'a': vf->priv->mode=AUTO; break;
- case 'b': vf->priv->mode=BOTTOM_FIRST; break;
- case 'u': vf->priv->mode=ANALYZE; break;
- case 'T': vf->priv->mode=TOP_FIRST_ANALYZE; break;
- case 'A': vf->priv->mode=AUTO_ANALYZE; break;
- case 'B': vf->priv->mode=BOTTOM_FIRST_ANALYZE; break;
- case 'U': vf->priv->mode=FULL_ANALYZE; break;
- case 'p': vf->priv->mode=PROGRESSIVE; break;
- case 'v': vf->priv->verbose=1; break;
- case ':': break;
-
- default:
- uninit(vf);
- return 0; /* bad args */
- }
-
- if( (args=strchr(args, ':')) ) args++;
- }
-
- return 1;
- }
-
-const vf_info_t vf_info_phase =
- {
- "phase shift fields",
- "phase",
- "Ville Saari",
- "",
- vf_open,
- NULL
- };
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