lavfi: remove dsize libmpcodecs wrapper

Filter does nothing, and supposed funcionality
is already available with native filter(s).
Signed-off-by: Paul B Mahol <onemda@gmail.com>

doc/filters.texi

@@ -3621,7 +3621,6 @@ The list of the currently supported filters follows:
 @item dint
 @item divtc
 @item down3dright
-@item dsize
 @item eq2
 @item eq
 @item fil

libavfilter/Makefile

@@ -182,7 +182,6 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_detc.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_dint.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_divtc.o
 OBJS-$(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_fil.o

libavfilter/libmpcodecs/vf_dsize.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 <inttypes.h>
-
-#include "config.h"
-#include "mp_msg.h"
-
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-
-struct vf_priv_s {
-    int w, h;
-    int method; // aspect method, 0 -> downscale, 1-> upscale. +2 -> original aspect.
-    int round;
-    float aspect;
-};
-
-static int config(struct vf_instance *vf,
-    int width, int height, int d_width, int d_height,
-    unsigned int flags, unsigned int outfmt)
-{
-    if (vf->priv->aspect < 0.001) { // did the user input aspect or w,h params
-        if (vf->priv->w == 0) vf->priv->w = d_width;
-        if (vf->priv->h == 0) vf->priv->h = d_height;
-        if (vf->priv->w == -1) vf->priv->w = width;
-        if (vf->priv->h == -1) vf->priv->h = height;
-        if (vf->priv->w == -2) vf->priv->w = vf->priv->h * (double)d_width / d_height;
-        if (vf->priv->w == -3) vf->priv->w = vf->priv->h * (double)width / height;
-        if (vf->priv->h == -2) vf->priv->h = vf->priv->w * (double)d_height / d_width;
-        if (vf->priv->h == -3) vf->priv->h = vf->priv->w * (double)height / width;
-        if (vf->priv->method > -1) {
-            double aspect = (vf->priv->method & 2) ? ((double)height / width) : ((double)d_height / d_width);
-            if ((vf->priv->h > vf->priv->w * aspect) ^ (vf->priv->method & 1)) {
-                vf->priv->h = vf->priv->w * aspect;
-            } else {
-                vf->priv->w = vf->priv->h / aspect;
-            }
-        }
-        if (vf->priv->round > 1) { // round up
-            vf->priv->w += (vf->priv->round - 1 - (vf->priv->w - 1) % vf->priv->round);
-            vf->priv->h += (vf->priv->round - 1 - (vf->priv->h - 1) % vf->priv->round);
-        }
-        d_width = vf->priv->w;
-        d_height = vf->priv->h;
-    } else {
-        if (vf->priv->aspect * height > width) {
-            d_width = height * vf->priv->aspect + .5;
-            d_height = height;
-        } else {
-            d_height = width / vf->priv->aspect + .5;
-            d_width = width;
-        }
-    }
-    return ff_vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
-}
-
-static void uninit(vf_instance_t *vf) {
-    free(vf->priv);
-    vf->priv = NULL;
-}
-
-static int vf_open(vf_instance_t *vf, char *args)
-{
-    vf->config = config;
-    vf->draw_slice = ff_vf_next_draw_slice;
-    vf->uninit = uninit;
-    //vf->default_caps = 0;
-    vf->priv = calloc(sizeof(struct vf_priv_s), 1);
-    vf->priv->aspect = 0.;
-    vf->priv->w = -1;
-    vf->priv->h = -1;
-    vf->priv->method = -1;
-    vf->priv->round = 1;
-    if (args) {
-        if (strchr(args, '/')) {
-            int w, h;
-            sscanf(args, "%d/%d", &w, &h);
-            vf->priv->aspect = (float)w/h;
-        } else if (strchr(args, '.')) {
-            sscanf(args, "%f", &vf->priv->aspect);
-        } else {
-            sscanf(args, "%d:%d:%d:%d", &vf->priv->w, &vf->priv->h, &vf->priv->method, &vf->priv->round);
-        }
-    }
-    if ((vf->priv->aspect < 0.) || (vf->priv->w < -3) || (vf->priv->h < -3) ||
-            ((vf->priv->w < -1) && (vf->priv->h < -1)) ||
-            (vf->priv->method < -1) || (vf->priv->method > 3) ||
-            (vf->priv->round < 0)) {
-        ff_mp_msg(MSGT_VFILTER, MSGL_ERR, "[dsize] Illegal value(s): aspect: %f w: %d h: %d aspect_method: %d round: %d\n", vf->priv->aspect, vf->priv->w, vf->priv->h, vf->priv->method, vf->priv->round);
-        free(vf->priv); vf->priv = NULL;
-        return -1;
-    }
-    return 1;
-}
-
-const vf_info_t ff_vf_info_dsize = {
-    "reset displaysize/aspect",
-    "dsize",
-    "Rich Felker",
-    "",
-    vf_open,
-    NULL
-};

libavfilter/vf_mp.c

@@ -126,7 +126,6 @@ extern const vf_info_t ff_vf_info_detc;
 extern const vf_info_t ff_vf_info_dint;
 extern const vf_info_t ff_vf_info_divtc;
 extern const vf_info_t ff_vf_info_down3dright;
-extern const vf_info_t ff_vf_info_dsize;
 extern const vf_info_t ff_vf_info_eq2;
 extern const vf_info_t ff_vf_info_eq;
 extern const vf_info_t ff_vf_info_fil;
@@ -160,7 +159,6 @@ static const vf_info_t* const filters[]={
     &ff_vf_info_dint,
     &ff_vf_info_divtc,
     &ff_vf_info_down3dright,
-    &ff_vf_info_dsize,
     &ff_vf_info_eq2,
     &ff_vf_info_eq,
     &ff_vf_info_fil,