libmpcodecs/vf_format.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <inttypes.h>
  23
  24 #include "config.h"
  25 #include "mp_msg.h"
  26
  27 #include "img_format.h"
  28 #include "mp_image.h"
  29 #include "vf.h"
  30
  31 #include "m_option.h"
  32 #include "m_struct.h"
  33
  34 static struct vf_priv_s {
  35     unsigned int fmt;
  36     unsigned int outfmt;
  37 } const vf_priv_dflt = {
  38   IMGFMT_YUY2,
  39   0
  40 };
  41
  42 //===========================================================================//
  43
  44 static int query_format(struct vf_instance *vf, unsigned int fmt){
  45     if(fmt==vf->priv->fmt) {
  46         if (vf->priv->outfmt)
  47             fmt = vf->priv->outfmt;
  48         return vf_next_query_format(vf,fmt);
  49     }
  50     return 0;
  51 }
  52
  53 static int config(struct vf_instance *vf, int width, int height,
  54                   int d_width, int d_height,
  55                   unsigned flags, unsigned outfmt){
  56     return vf_next_config(vf, width, height, d_width, d_height, flags, vf->priv->outfmt);
  57 }
  58
  59 static int vf_open(vf_instance_t *vf, char *args){
  60     vf->query_format=query_format;
  61     vf->draw_slice=vf_next_draw_slice;
  62     vf->default_caps=0;
  63     if (vf->priv->outfmt)
  64         vf->config=config;
  65     return 1;
  66 }
  67
  68 #define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
  69 static const m_option_t vf_opts_fields[] = {
  70   {"fmt", ST_OFF(fmt), CONF_TYPE_IMGFMT, 0,0 ,0, NULL},
  71   {"outfmt", ST_OFF(outfmt), CONF_TYPE_IMGFMT, 0,0 ,0, NULL},
  72   { NULL, NULL, 0, 0, 0, 0,  NULL }
  73 };
  74
  75 static const m_struct_t vf_opts = {
  76   "format",
  77   sizeof(struct vf_priv_s),
  78   &vf_priv_dflt,
  79   vf_opts_fields
  80 };
  81
  82 const vf_info_t vf_info_format = {
  83     "force output format",
  84     "format",
  85     "A'rpi",
  86     "FIXME! get_image()/put_image()",
  87     vf_open,
  88     &vf_opts
  89 };
  90
  91 //===========================================================================//