libmpcodecs/vf_expand.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 #define OSD_SUPPORT
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <stdbool.h>
  25
  26 #include "config.h"
  27 #include "mp_msg.h"
  28 #include "help_mp.h"
  29 #include "options.h"
  30
  31 #include "img_format.h"
  32 #include "mp_image.h"
  33 #include "vf.h"
  34
  35 #include "libvo/fastmemcpy.h"
  36 #include "libavutil/avutil.h"
  37
  38 #ifdef OSD_SUPPORT
  39 #include "libvo/sub.h"
  40 #include "libvo/osd.h"
  41 #endif
  42
  43 #include "m_option.h"
  44 #include "m_struct.h"
  45
  46 static struct vf_priv_s {
  47     // These four values are a backup of the values parsed from the command line.
  48     // This is necessary so that we do not get a mess upon filter reinit due to
  49     // e.g. aspect changes and with only aspect specified on the command line,
  50     // where we would otherwise use the values calculated for a different aspect
  51     // instead of recalculating them again.
  52     int cfg_exp_w, cfg_exp_h;
  53     int cfg_exp_x, cfg_exp_y;
  54     int exp_w,exp_h;
  55     int exp_x,exp_y;
  56     int osd_enabled;
  57     double aspect;
  58     int round;
  59     unsigned char* fb_ptr;
  60     int passthrough;
  61     int first_slice;
  62     struct osd_state *osd;
  63 } const vf_priv_dflt = {
  64   -1,-1,
  65   -1,-1,
  66   -1,-1,
  67   -1,-1,
  68   0,
  69   0.,
  70   1,
  71   NULL,
  72   0,
  73   0
  74 };
  75
  76 //===========================================================================//
  77 #ifdef OSD_SUPPORT
  78
  79 static struct vf_instance* vf=NULL; // fixme (needs sub.c changes)
  80 static int orig_w,orig_h;
  81
  82 static void remove_func_2(int x0,int y0, int w,int h){
  83     // TODO: let's cleanup the place
  84     //printf("OSD clear: %d;%d %dx%d  \n",x0,y0,w,h);
  85     vf_mpi_clear(vf->dmpi,x0,y0,w,h);
  86 }
  87
  88 static void remove_func(int x0,int y0, int w,int h){
  89     if(!vo_osd_changed_flag) return;
  90     // split it to 4 parts:
  91     if(y0<vf->priv->exp_y){
  92         // it has parts above the image:
  93         int y=y0+h;
  94         if(y>vf->priv->exp_y) y=vf->priv->exp_y;
  95         remove_func_2(x0,y0,w,y-y0);
  96         if(y0+h<=vf->priv->exp_y) return;
  97         h-=y-y0;y0=y;
  98     }
  99     if(y0+h>vf->priv->exp_y+orig_h){
 100         // it has parts under the image:
 101         int y=y0;
 102         if(y<vf->priv->exp_y+orig_h) y=vf->priv->exp_y+orig_h;
 103         remove_func_2(x0,y,w,y0+h-y);
 104         if(y0>=vf->priv->exp_y+orig_h) return;
 105         h=y-y0;
 106     }
 107     if(x0<vf->priv->exp_x){
 108         // it has parts on the left side of the image:
 109         int x=x0+w;
 110         if(x>vf->priv->exp_x) x=vf->priv->exp_x;
 111         remove_func_2(x0,y0,x-x0,h);
 112         if(x0+w<=vf->priv->exp_x) return;
 113         w-=x-x0;x0=x;
 114     }
 115     if(x0+w>vf->priv->exp_x+orig_w){
 116         // it has parts on the right side of the image:
 117         int x=x0;
 118         if(x<vf->priv->exp_x+orig_w) x=vf->priv->exp_x+orig_w;
 119         remove_func_2(x,y0,x0+w-x,h);
 120         if(x0>=vf->priv->exp_x+orig_w) return;
 121         w=x-x0;
 122     }
 123 }
 124
 125 static void draw_func(void *ctx, int x0,int y0, int w,int h,unsigned char* src, unsigned char *srca, int stride){
 126     unsigned char* dst;
 127     if(!vo_osd_changed_flag && vf->dmpi->planes[0]==vf->priv->fb_ptr){
 128         // ok, enough to update the area inside the video, leave the black bands
 129         // untouched!
 130         if(x0<vf->priv->exp_x){
 131             int tmp=vf->priv->exp_x-x0;
 132             w-=tmp; src+=tmp; srca+=tmp; x0+=tmp;
 133         }
 134         if(y0<vf->priv->exp_y){
 135             int tmp=vf->priv->exp_y-y0;
 136             h-=tmp; src+=tmp*stride; srca+=tmp*stride; y0+=tmp;
 137         }
 138         if(x0+w>vf->priv->exp_x+orig_w){
 139             w=vf->priv->exp_x+orig_w-x0;
 140         }
 141         if(y0+h>vf->priv->exp_y+orig_h){
 142             h=vf->priv->exp_y+orig_h-y0;
 143         }
 144     }
 145     if(w<=0 || h<=0) return; // nothing to do...
 146 //    printf("OSD redraw: %d;%d %dx%d  \n",x0,y0,w,h);
 147     dst=vf->dmpi->planes[0]+
 148                         vf->dmpi->stride[0]*y0+
 149                         (vf->dmpi->bpp>>3)*x0;
 150     switch(vf->dmpi->imgfmt){
 151     case IMGFMT_BGR15:
 152     case IMGFMT_RGB15:
 153         vo_draw_alpha_rgb15(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 154         break;
 155     case IMGFMT_BGR16:
 156     case IMGFMT_RGB16:
 157         vo_draw_alpha_rgb16(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 158         break;
 159     case IMGFMT_BGR24:
 160     case IMGFMT_RGB24:
 161         vo_draw_alpha_rgb24(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 162         break;
 163     case IMGFMT_BGR32:
 164     case IMGFMT_RGB32:
 165         vo_draw_alpha_rgb32(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 166         break;
 167     case IMGFMT_YV12:
 168     case IMGFMT_I420:
 169     case IMGFMT_IYUV:
 170     case IMGFMT_YVU9:
 171     case IMGFMT_IF09:
 172     case IMGFMT_Y800:
 173     case IMGFMT_Y8:
 174         vo_draw_alpha_yv12(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 175         break;
 176     case IMGFMT_YUY2:
 177         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 178         break;
 179     case IMGFMT_UYVY:
 180         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst+1,vf->dmpi->stride[0]);
 181         break;
 182     }
 183 }
 184
 185 static void draw_osd(struct vf_instance* vf_,int w,int h){
 186     vf=vf_;orig_w=w;orig_h=h;
 187 //    printf("======================================\n");
 188     if(vf->priv->exp_w!=w || vf->priv->exp_h!=h ||
 189         vf->priv->exp_x || vf->priv->exp_y){
 190         // yep, we're expanding image, not just copy.
 191         if(vf->dmpi->planes[0]!=vf->priv->fb_ptr){
 192             // double buffering, so we need full clear :(
 193             if (vf->priv->exp_y > 0)
 194                 remove_func_2(0,0,vf->priv->exp_w,vf->priv->exp_y);
 195             if (vf->priv->exp_y+h < vf->priv->exp_h)
 196                 remove_func_2(0,vf->priv->exp_y+h,vf->priv->exp_w,vf->priv->exp_h-h-vf->priv->exp_y);
 197             if (vf->priv->exp_x > 0)
 198                 remove_func_2(0,vf->priv->exp_y,vf->priv->exp_x,h);
 199             if (vf->priv->exp_x+w < vf->priv->exp_w)
 200                 remove_func_2(vf->priv->exp_x+w,vf->priv->exp_y,vf->priv->exp_w-w-vf->priv->exp_x,h);
 201         } else {
 202             // partial clear:
 203             osd_remove_text(vf->priv->osd, vf->priv->exp_w,vf->priv->exp_h,remove_func);
 204         }
 205     }
 206     osd_draw_text(vf->priv->osd, vf->priv->exp_w,vf->priv->exp_h,draw_func, NULL);
 207     // save buffer pointer for double buffering detection - yes, i know it's
 208     // ugly method, but note that codecs with DR support does the same...
 209     if(vf->dmpi)
 210       vf->priv->fb_ptr=vf->dmpi->planes[0];
 211 }
 212
 213 #endif
 214 //===========================================================================//
 215
 216 static int config(struct vf_instance* vf,
 217         int width, int height, int d_width, int d_height,
 218         unsigned int flags, unsigned int outfmt)
 219 {
 220     struct MPOpts *opts = vf->opts;
 221     if(outfmt == IMGFMT_MPEGPES) {
 222       vf->priv->passthrough = 1;
 223       return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 224     }
 225     if (outfmt == IMGFMT_IF09) return 0;
 226     vf->priv->exp_x = vf->priv->cfg_exp_x;
 227     vf->priv->exp_y = vf->priv->cfg_exp_y;
 228     vf->priv->exp_w = vf->priv->cfg_exp_w;
 229     vf->priv->exp_h = vf->priv->cfg_exp_h;
 230     // calculate the missing parameters:
 231 #if 0
 232     if(vf->priv->exp_w<width) vf->priv->exp_w=width;
 233     if(vf->priv->exp_h<height) vf->priv->exp_h=height;
 234 #else
 235     if ( vf->priv->exp_w == -1 ) vf->priv->exp_w=width;
 236       else if (vf->priv->exp_w < -1 ) vf->priv->exp_w=width - vf->priv->exp_w;
 237         else if ( vf->priv->exp_w<width ) vf->priv->exp_w=width;
 238     if ( vf->priv->exp_h == -1 ) vf->priv->exp_h=height;
 239       else if ( vf->priv->exp_h < -1 ) vf->priv->exp_h=height - vf->priv->exp_h;
 240         else if( vf->priv->exp_h<height ) vf->priv->exp_h=height;
 241 #endif
 242     if (vf->priv->aspect) {
 243         float adjusted_aspect = vf->priv->aspect;
 244         adjusted_aspect *= ((double)width/height) / ((double)d_width/d_height);
 245         if (vf->priv->exp_h < vf->priv->exp_w / adjusted_aspect) {
 246             vf->priv->exp_h = vf->priv->exp_w / adjusted_aspect + 0.5;
 247         } else {
 248             vf->priv->exp_w = vf->priv->exp_h * adjusted_aspect + 0.5;
 249         }
 250     }
 251     if (vf->priv->round > 1) { // round up.
 252         vf->priv->exp_w = (1 + (vf->priv->exp_w - 1) / vf->priv->round) * vf->priv->round;
 253         vf->priv->exp_h = (1 + (vf->priv->exp_h - 1) / vf->priv->round) * vf->priv->round;
 254     }
 255
 256     if(vf->priv->exp_x<0 || vf->priv->exp_x+width>vf->priv->exp_w) vf->priv->exp_x=(vf->priv->exp_w-width)/2;
 257     if(vf->priv->exp_y<0 || vf->priv->exp_y+height>vf->priv->exp_h) vf->priv->exp_y=(vf->priv->exp_h-height)/2;
 258     vf->priv->fb_ptr=NULL;
 259
 260     if(!opts->screen_size_x && !opts->screen_size_y){
 261         d_width=d_width*vf->priv->exp_w/width;
 262         d_height=d_height*vf->priv->exp_h/height;
 263     }
 264     return vf_next_config(vf,vf->priv->exp_w,vf->priv->exp_h,d_width,d_height,flags,outfmt);
 265 }
 266
 267 // there are 4 cases:
 268 // codec --DR--> expand --DR--> vo
 269 // codec --DR--> expand -copy-> vo
 270 // codec -copy-> expand --DR--> vo
 271 // codec -copy-> expand -copy-> vo (worst case)
 272
 273 static void get_image(struct vf_instance* vf, mp_image_t *mpi){
 274 //    if(mpi->type==MP_IMGTYPE_IPB) return; // not yet working
 275 #ifdef OSD_SUPPORT
 276     if(vf->priv->osd_enabled && (mpi->flags&MP_IMGFLAG_PRESERVE)){
 277         // check if we have to render osd!
 278         osd_update(vf->priv->osd, vf->priv->exp_w, vf->priv->exp_h);
 279         if(vo_osd_check_range_update(vf->priv->exp_x,vf->priv->exp_y,
 280             vf->priv->exp_x+mpi->w,vf->priv->exp_y+mpi->h)) return;
 281     }
 282 #endif
 283     if(vf->priv->exp_w==mpi->width ||
 284        (mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH)) ){
 285         // try full DR !
 286         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 287             mpi->type, mpi->flags,
 288             FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 289             FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 290 #if 1
 291         if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) &&
 292           !(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){
 293             mp_tmsg(MSGT_VFILTER, MSGL_INFO, "Full DR not possible, trying SLICES instead!\n");
 294             return;
 295         }
 296 #endif
 297         // set up mpi as a cropped-down image of dmpi:
 298         if(mpi->flags&MP_IMGFLAG_PLANAR){
 299             mpi->planes[0]=vf->dmpi->planes[0]+
 300                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x;
 301             mpi->planes[1]=vf->dmpi->planes[1]+
 302                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 303             mpi->planes[2]=vf->dmpi->planes[2]+
 304                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 305             mpi->stride[1]=vf->dmpi->stride[1];
 306             mpi->stride[2]=vf->dmpi->stride[2];
 307         } else {
 308             mpi->planes[0]=vf->dmpi->planes[0]+
 309                 vf->priv->exp_y*vf->dmpi->stride[0]+
 310                 vf->priv->exp_x*(vf->dmpi->bpp/8);
 311         }
 312         mpi->stride[0]=vf->dmpi->stride[0];
 313         mpi->width=vf->dmpi->width;
 314         mpi->flags|=MP_IMGFLAG_DIRECT;
 315         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 316 //      vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 317     }
 318 }
 319
 320 static void start_slice(struct vf_instance* vf, mp_image_t *mpi){
 321 //    printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
 322     if(!vf->next->draw_slice){
 323         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 324         return;
 325     }
 326     // they want slices!!! allocate the buffer.
 327     if(!mpi->priv)
 328         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 329 //      MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
 330             MP_IMGTYPE_TEMP, mpi->flags,
 331             FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 332             FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 333     if(!(vf->dmpi->flags&MP_IMGFLAG_DRAW_CALLBACK))
 334         mp_tmsg(MSGT_VFILTER, MSGL_WARN, "WARNING! Next filter doesn't support SLICES, get ready for sig11...\n"); // shouldn't happen.
 335     vf->priv->first_slice = 1;
 336 }
 337
 338 static void draw_top_blackbar_slice(struct vf_instance* vf,
 339                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 340     if(vf->priv->exp_y>0 && y == 0) {
 341         vf_next_draw_slice(vf, vf->dmpi->planes, vf->dmpi->stride,
 342                            vf->dmpi->w,vf->priv->exp_y,0,0);
 343     }
 344
 345 }
 346
 347 static void draw_bottom_blackbar_slice(struct vf_instance* vf,
 348                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 349     if(vf->priv->exp_y+vf->h<vf->dmpi->h && y+h == vf->h) {
 350         unsigned char *src2[MP_MAX_PLANES];
 351         src2[0] = vf->dmpi->planes[0]
 352                 + (vf->priv->exp_y+vf->h)*vf->dmpi->stride[0];
 353         if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
 354             src2[1] = vf->dmpi->planes[1]
 355                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[1];
 356             src2[2] = vf->dmpi->planes[2]
 357                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[2];
 358         } else {
 359             src2[1] = vf->dmpi->planes[1]; // passthrough rgb8 palette
 360         }
 361         vf_next_draw_slice(vf, src2, vf->dmpi->stride,
 362                            vf->dmpi->w,vf->dmpi->h-(vf->priv->exp_y+vf->h),
 363                            0,vf->priv->exp_y+vf->h);
 364     }
 365 }
 366
 367 static void draw_slice(struct vf_instance* vf,
 368         unsigned char** src, int* stride, int w,int h, int x, int y){
 369 //    printf("draw_slice() called %d at %d\n",h,y);
 370
 371     if (y == 0 && y+h == vf->h) {
 372         // special case - only one slice
 373         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 374         vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 375         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 376         return;
 377     }
 378     if (vf->priv->first_slice) {
 379         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 380         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 381     }
 382     vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 383     if (!vf->priv->first_slice) {
 384         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 385         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 386     }
 387     vf->priv->first_slice = 0;
 388 }
 389
 390 static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts){
 391     if (vf->priv->passthrough) {
 392       mp_image_t *dmpi = vf_get_image(vf->next, IMGFMT_MPEGPES,
 393                                       MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
 394       dmpi->planes[0]=mpi->planes[0];
 395       return vf_next_put_image(vf,dmpi, pts);
 396     }
 397
 398     if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
 399         vf->dmpi=mpi->priv;
 400         if(!vf->dmpi) { mp_tmsg(MSGT_VFILTER, MSGL_WARN, "Why do we get NULL??\n"); return 0; }
 401         mpi->priv=NULL;
 402 #ifdef OSD_SUPPORT
 403         if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 404 #endif
 405         // we've used DR, so we're ready...
 406         if(!(mpi->flags&MP_IMGFLAG_PLANAR))
 407             vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 408         return vf_next_put_image(vf,vf->dmpi, pts);
 409     }
 410
 411     // hope we'll get DR buffer:
 412     vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 413         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 414         vf->priv->exp_w, vf->priv->exp_h);
 415
 416     // copy mpi->dmpi...
 417     if(mpi->flags&MP_IMGFLAG_PLANAR){
 418         memcpy_pic(vf->dmpi->planes[0]+
 419                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x,
 420                 mpi->planes[0], mpi->w, mpi->h,
 421                 vf->dmpi->stride[0],mpi->stride[0]);
 422         memcpy_pic(vf->dmpi->planes[1]+
 423                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 424                 mpi->planes[1], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 425                 vf->dmpi->stride[1],mpi->stride[1]);
 426         memcpy_pic(vf->dmpi->planes[2]+
 427                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 428                 mpi->planes[2], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 429                 vf->dmpi->stride[2],mpi->stride[2]);
 430     } else {
 431         memcpy_pic(vf->dmpi->planes[0]+
 432                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x*(vf->dmpi->bpp/8),
 433                 mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h,
 434                 vf->dmpi->stride[0],mpi->stride[0]);
 435         vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 436     }
 437 #ifdef OSD_SUPPORT
 438     if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 439 #endif
 440     return vf_next_put_image(vf,vf->dmpi, pts);
 441 }
 442
 443 //===========================================================================//
 444
 445 static int control(struct vf_instance* vf, int request, void* data){
 446 #ifdef OSD_SUPPORT
 447     switch(request){
 448     case VFCTRL_SET_OSD_OBJ:
 449         vf->priv->osd = data;
 450         break;
 451     case VFCTRL_DRAW_OSD:
 452         if(vf->priv->osd_enabled) return CONTROL_TRUE;
 453         break;
 454     case VFCTRL_REDRAW_OSD:
 455         if (vf->priv->osd_enabled)
 456             return false;
 457         break;
 458     }
 459 #endif
 460     return vf_next_control(vf,request,data);
 461 }
 462
 463 static int query_format(struct vf_instance* vf, unsigned int fmt){
 464   return vf_next_query_format(vf,fmt);
 465 }
 466
 467 static int open(vf_instance_t *vf, char* args){
 468     vf->config=config;
 469     vf->control=control;
 470     vf->query_format=query_format;
 471     vf->start_slice=start_slice;
 472     vf->draw_slice=draw_slice;
 473     vf->get_image=get_image;
 474     vf->put_image=put_image;
 475     mp_msg(MSGT_VFILTER, MSGL_INFO, "Expand: %d x %d, %d ; %d, osd: %d, aspect: %f, round: %d\n",
 476     vf->priv->cfg_exp_w,
 477     vf->priv->cfg_exp_h,
 478     vf->priv->cfg_exp_x,
 479     vf->priv->cfg_exp_y,
 480     vf->priv->osd_enabled,
 481     vf->priv->aspect,
 482     vf->priv->round);
 483     return 1;
 484 }
 485
 486 #define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
 487 static m_option_t vf_opts_fields[] = {
 488   {"w", ST_OFF(cfg_exp_w), CONF_TYPE_INT, 0, 0 ,0, NULL},
 489   {"h", ST_OFF(cfg_exp_h), CONF_TYPE_INT, 0, 0 ,0, NULL},
 490   {"x", ST_OFF(cfg_exp_x), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 491   {"y", ST_OFF(cfg_exp_y), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 492   {"osd", ST_OFF(osd_enabled), CONF_TYPE_FLAG, 0 , 0, 1, NULL},
 493   {"aspect", ST_OFF(aspect), CONF_TYPE_DOUBLE, M_OPT_MIN, 0, 0, NULL},
 494   {"round", ST_OFF(round), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL},
 495   { NULL, NULL, 0, 0, 0, 0,  NULL }
 496 };
 497
 498 static const m_struct_t vf_opts = {
 499   "expand",
 500   sizeof(struct vf_priv_s),
 501   &vf_priv_dflt,
 502   vf_opts_fields
 503 };
 504
 505
 506
 507 const vf_info_t vf_info_expand = {
 508 #ifdef OSD_SUPPORT
 509     "expanding & osd",
 510 #else
 511     "expanding",
 512 #endif
 513     "expand",
 514     "A'rpi",
 515     "",
 516     open,
 517     &vf_opts
 518 };
 519
 520 //===========================================================================//