From 916549cb1e73a8c953bc7acee1fa95f68d358469 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Tue, 3 Sep 2013 12:46:28 +0000
Subject: lavfi/mp: remove mp=phase

The filter was ported to a native libavfilter filter.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavfilter/libmpcodecs/vf_phase.c | 303 -------------------------------------
 1 file changed, 303 deletions(-)
 delete mode 100644 libavfilter/libmpcodecs/vf_phase.c

(limited to 'libavfilter/libmpcodecs')

diff --git a/libavfilter/libmpcodecs/vf_phase.c b/libavfilter/libmpcodecs/vf_phase.c
deleted file mode 100644
index 25abc5bbcf..0000000000
--- a/libavfilter/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)
-      {
-      fast_memcpy(to, mode==(top?BOTTOM_FIRST:TOP_FIRST)?buf:from, w);
-      fast_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( ff_mp_msg_test(MSGT_VFILTER,MSGL_V) )
-      {
-      ff_mp_msg(MSGT_VFILTER, MSGL_INFO, "%c", mode==BOTTOM_FIRST?'b':mode==TOP_FIRST?'t':'p');
-      if(tdiff==65536.0) ff_mp_msg(MSGT_VFILTER, MSGL_INFO,"     N/A "); else ff_mp_msg(MSGT_VFILTER, MSGL_INFO," %8.2f", tdiff);
-      if(bdiff==65536.0) ff_mp_msg(MSGT_VFILTER, MSGL_INFO,"     N/A "); else ff_mp_msg(MSGT_VFILTER, MSGL_INFO," %8.2f", bdiff);
-      if(pdiff==65536.0) ff_mp_msg(MSGT_VFILTER, MSGL_INFO,"     N/A "); else ff_mp_msg(MSGT_VFILTER, MSGL_INFO," %8.2f", pdiff);
-      ff_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=ff_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 ff_vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
-   }
-
-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 ff_vf_info_phase =
-   {
-   "phase shift fields",
-   "phase",
-   "Ville Saari",
-   "",
-   vf_open,
-   NULL
-   };
-- 
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