lavfi/mp: drop wrapped field filter

The filter has been ported to a native libavfilter filter.

doc/filters.texi

@@ -2623,7 +2623,6 @@ The list of the currently supported filters follows:
 @item dsize
 @item eq2
 @item eq
-@item field
 @item fil
 @item fixpts
 @item fspp

libavfilter/Makefile

@@ -167,7 +167,6 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_down3dright.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_dsize.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_eq2.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_eq.o
-OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_field.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_fil.o
 #OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_filmdint.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_fixpts.o

libavfilter/libmpcodecs/vf_field.c

-/*
- * 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 "mp_image.h"
-#include "vf.h"
-
-struct vf_priv_s {
-    int field;
-};
-
-//===========================================================================//
-
-static int config(struct vf_instance *vf,
-        int width, int height, int d_width, int d_height,
-        unsigned int flags, unsigned int outfmt){
-    return vf_next_config(vf,width,height/2,d_width,d_height,flags,outfmt);
-}
-
-static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
-    vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
-        MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
-        mpi->width, mpi->height/2);
-
-    // set up mpi as a double-stride image of dmpi:
-    vf->dmpi->planes[0]=mpi->planes[0]+mpi->stride[0]*vf->priv->field;
-    vf->dmpi->stride[0]=2*mpi->stride[0];
-    if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
-        vf->dmpi->planes[1]=mpi->planes[1]+
-            mpi->stride[1]*vf->priv->field;
-        vf->dmpi->stride[1]=2*mpi->stride[1];
-        vf->dmpi->planes[2]=mpi->planes[2]+
-            mpi->stride[2]*vf->priv->field;
-        vf->dmpi->stride[2]=2*mpi->stride[2];
-    } else
-        vf->dmpi->planes[1]=mpi->planes[1]; // passthru bgr8 palette!!!
-
-    return vf_next_put_image(vf,vf->dmpi, pts);
-}
-
-//===========================================================================//
-
-static void uninit(struct vf_instance *vf)
-{
-        free(vf->priv);
-}
-
-static int vf_open(vf_instance_t *vf, char *args){
-    vf->config=config;
-    vf->put_image=put_image;
-    vf->uninit=uninit;
-    vf->default_reqs=VFCAP_ACCEPT_STRIDE;
-    vf->priv=calloc(1, sizeof(struct vf_priv_s));
-    if (args) sscanf(args, "%d", &vf->priv->field);
-    vf->priv->field &= 1;
-    return 1;
-}
-
-const vf_info_t vf_info_field = {
-    "extract single field",
-    "field",
-    "Rich Felker",
-    "",
-    vf_open,
-    NULL
-};
-
-//===========================================================================//

libavfilter/version.h

@@ -30,7 +30,7 @@
 
 #define LIBAVFILTER_VERSION_MAJOR  3
 #define LIBAVFILTER_VERSION_MINOR  21
-#define LIBAVFILTER_VERSION_MICRO 100
+#define LIBAVFILTER_VERSION_MICRO 101
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
                                                LIBAVFILTER_VERSION_MINOR, \

libavfilter/vf_mp.c

@@ -137,7 +137,6 @@ extern const vf_info_t vf_info_dvbscale;
 extern const vf_info_t vf_info_eq2;
 extern const vf_info_t vf_info_eq;
 extern const vf_info_t vf_info_expand;
-extern const vf_info_t vf_info_field;
 extern const vf_info_t vf_info_fil;
 extern const vf_info_t vf_info_filmdint;
 extern const vf_info_t vf_info_fixpts;
@@ -192,7 +191,6 @@ static const vf_info_t* const filters[]={
     &vf_info_dsize,
     &vf_info_eq2,
     &vf_info_eq,
-    &vf_info_field,
     &vf_info_fil,
 //    &vf_info_filmdint, cmmx.h vd.h ‘opt_screen_size_x’
     &vf_info_fixpts,