libmpcodecs/vf_expand.c

   1 #define OSD_SUPPORT
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6 #include <stdbool.h>
   7
   8 #include "config.h"
   9 #include "mp_msg.h"
  10 #include "help_mp.h"
  11 #include "options.h"
  12
  13 #include "img_format.h"
  14 #include "mp_image.h"
  15 #include "vf.h"
  16
  17 #include "libvo/fastmemcpy.h"
  18
  19 #ifdef OSD_SUPPORT
  20 #include "libvo/sub.h"
  21 #include "libvo/osd.h"
  22 #endif
  23
  24 #include "m_option.h"
  25 #include "m_struct.h"
  26
  27 #define MAX(a,b) ((a) > (b) ? (a) : (b))
  28
  29 static struct vf_priv_s {
  30     int exp_w,exp_h;
  31     int exp_x,exp_y;
  32     int osd_enabled;
  33     double aspect;
  34     int round;
  35     unsigned char* fb_ptr;
  36     int passthrough;
  37     int first_slice;
  38     struct osd_state *osd;
  39 } const vf_priv_dflt = {
  40   -1,-1,
  41   -1,-1,
  42   0,
  43   0.,
  44   1,
  45   NULL,
  46   0,
  47   0
  48 };
  49
  50 //===========================================================================//
  51 #ifdef OSD_SUPPORT
  52
  53 static struct vf_instance* vf=NULL; // fixme (needs sub.c changes)
  54 static int orig_w,orig_h;
  55
  56 static void remove_func_2(int x0,int y0, int w,int h){
  57     // TODO: let's cleanup the place
  58     //printf("OSD clear: %d;%d %dx%d  \n",x0,y0,w,h);
  59     vf_mpi_clear(vf->dmpi,x0,y0,w,h);
  60 }
  61
  62 static void remove_func(int x0,int y0, int w,int h){
  63     if(!vo_osd_changed_flag) return;
  64     // split it to 4 parts:
  65     if(y0<vf->priv->exp_y){
  66         // it has parts above the image:
  67         int y=y0+h;
  68         if(y>vf->priv->exp_y) y=vf->priv->exp_y;
  69         remove_func_2(x0,y0,w,y-y0);
  70         if(y0+h<=vf->priv->exp_y) return;
  71         h-=y-y0;y0=y;
  72     }
  73     if(y0+h>vf->priv->exp_y+orig_h){
  74         // it has parts under the image:
  75         int y=y0;
  76         if(y<vf->priv->exp_y+orig_h) y=vf->priv->exp_y+orig_h;
  77         remove_func_2(x0,y,w,y0+h-y);
  78         if(y0>=vf->priv->exp_y+orig_h) return;
  79         h=y-y0;
  80     }
  81     if(x0<vf->priv->exp_x){
  82         // it has parts on the left side of the image:
  83         int x=x0+w;
  84         if(x>vf->priv->exp_x) x=vf->priv->exp_x;
  85         remove_func_2(x0,y0,x-x0,h);
  86         if(x0+w<=vf->priv->exp_x) return;
  87         w-=x-x0;x0=x;
  88     }
  89     if(x0+w>vf->priv->exp_x+orig_w){
  90         // it has parts on the right side of the image:
  91         int x=x0;
  92         if(x<vf->priv->exp_x+orig_w) x=vf->priv->exp_x+orig_w;
  93         remove_func_2(x,y0,x0+w-x,h);
  94         if(x0>=vf->priv->exp_x+orig_w) return;
  95         w=x-x0;
  96     }
  97 }
  98
  99 static void draw_func(void *ctx, int x0,int y0, int w,int h,unsigned char* src, unsigned char *srca, int stride){
 100     unsigned char* dst;
 101     if(!vo_osd_changed_flag && vf->dmpi->planes[0]==vf->priv->fb_ptr){
 102         // ok, enough to update the area inside the video, leave the black bands
 103         // untouched!
 104         if(x0<vf->priv->exp_x){
 105             int tmp=vf->priv->exp_x-x0;
 106             w-=tmp; src+=tmp; srca+=tmp; x0+=tmp;
 107         }
 108         if(y0<vf->priv->exp_y){
 109             int tmp=vf->priv->exp_y-y0;
 110             h-=tmp; src+=tmp*stride; srca+=tmp*stride; y0+=tmp;
 111         }
 112         if(x0+w>vf->priv->exp_x+orig_w){
 113             w=vf->priv->exp_x+orig_w-x0;
 114         }
 115         if(y0+h>vf->priv->exp_y+orig_h){
 116             h=vf->priv->exp_y+orig_h-y0;
 117         }
 118     }
 119     if(w<=0 || h<=0) return; // nothing to do...
 120 //    printf("OSD redraw: %d;%d %dx%d  \n",x0,y0,w,h);
 121     dst=vf->dmpi->planes[0]+
 122                         vf->dmpi->stride[0]*y0+
 123                         (vf->dmpi->bpp>>3)*x0;
 124     switch(vf->dmpi->imgfmt){
 125     case IMGFMT_BGR15:
 126     case IMGFMT_RGB15:
 127         vo_draw_alpha_rgb15(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 128         break;
 129     case IMGFMT_BGR16:
 130     case IMGFMT_RGB16:
 131         vo_draw_alpha_rgb16(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 132         break;
 133     case IMGFMT_BGR24:
 134     case IMGFMT_RGB24:
 135         vo_draw_alpha_rgb24(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 136         break;
 137     case IMGFMT_BGR32:
 138     case IMGFMT_RGB32:
 139         vo_draw_alpha_rgb32(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 140         break;
 141     case IMGFMT_YV12:
 142     case IMGFMT_I420:
 143     case IMGFMT_IYUV:
 144     case IMGFMT_YVU9:
 145     case IMGFMT_IF09:
 146     case IMGFMT_Y800:
 147     case IMGFMT_Y8:
 148         vo_draw_alpha_yv12(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 149         break;
 150     case IMGFMT_YUY2:
 151         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 152         break;
 153     case IMGFMT_UYVY:
 154         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst+1,vf->dmpi->stride[0]);
 155         break;
 156     }
 157 }
 158
 159 static void draw_osd(struct vf_instance* vf_,int w,int h){
 160     vf=vf_;orig_w=w;orig_h=h;
 161 //    printf("======================================\n");
 162     if(vf->priv->exp_w!=w || vf->priv->exp_h!=h ||
 163         vf->priv->exp_x || vf->priv->exp_y){
 164         // yep, we're expanding image, not just copy.
 165         if(vf->dmpi->planes[0]!=vf->priv->fb_ptr){
 166             // double buffering, so we need full clear :(
 167             if (vf->priv->exp_y > 0)
 168                 remove_func_2(0,0,vf->priv->exp_w,vf->priv->exp_y);
 169             if (vf->priv->exp_y+h < vf->priv->exp_h)
 170                 remove_func_2(0,vf->priv->exp_y+h,vf->priv->exp_w,vf->priv->exp_h-h-vf->priv->exp_y);
 171             if (vf->priv->exp_x > 0)
 172                 remove_func_2(0,vf->priv->exp_y,vf->priv->exp_x,h);
 173             if (vf->priv->exp_x+w < vf->priv->exp_w)
 174                 remove_func_2(vf->priv->exp_x+w,vf->priv->exp_y,vf->priv->exp_w-w-vf->priv->exp_x,h);
 175         } else {
 176             // partial clear:
 177             osd_remove_text(vf->priv->osd, vf->priv->exp_w,vf->priv->exp_h,remove_func);
 178         }
 179     }
 180     osd_draw_text(vf->priv->osd, vf->priv->exp_w,vf->priv->exp_h,draw_func, NULL);
 181     // save buffer pointer for double buffering detection - yes, i know it's
 182     // ugly method, but note that codecs with DR support does the same...
 183     if(vf->dmpi)
 184       vf->priv->fb_ptr=vf->dmpi->planes[0];
 185 }
 186
 187 #endif
 188 //===========================================================================//
 189
 190 static int config(struct vf_instance* vf,
 191         int width, int height, int d_width, int d_height,
 192         unsigned int flags, unsigned int outfmt)
 193 {
 194     struct MPOpts *opts = vf->opts;
 195     if(outfmt == IMGFMT_MPEGPES) {
 196       vf->priv->passthrough = 1;
 197       return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 198     }
 199     if (outfmt == IMGFMT_IF09) return 0;
 200     // calculate the missing parameters:
 201 #if 0
 202     if(vf->priv->exp_w<width) vf->priv->exp_w=width;
 203     if(vf->priv->exp_h<height) vf->priv->exp_h=height;
 204 #else
 205     if ( vf->priv->exp_w == -1 ) vf->priv->exp_w=width;
 206       else if (vf->priv->exp_w < -1 ) vf->priv->exp_w=width - vf->priv->exp_w;
 207         else if ( vf->priv->exp_w<width ) vf->priv->exp_w=width;
 208     if ( vf->priv->exp_h == -1 ) vf->priv->exp_h=height;
 209       else if ( vf->priv->exp_h < -1 ) vf->priv->exp_h=height - vf->priv->exp_h;
 210         else if( vf->priv->exp_h<height ) vf->priv->exp_h=height;
 211 #endif
 212     if (vf->priv->aspect) {
 213         float adjusted_aspect = vf->priv->aspect;
 214         adjusted_aspect *= ((double)width/height) / ((double)d_width/d_height);
 215         if (vf->priv->exp_h < vf->priv->exp_w / adjusted_aspect) {
 216             vf->priv->exp_h = vf->priv->exp_w / adjusted_aspect + 0.5;
 217         } else {
 218             vf->priv->exp_w = vf->priv->exp_h * adjusted_aspect + 0.5;
 219         }
 220     }
 221     if (vf->priv->round > 1) { // round up.
 222         vf->priv->exp_w = (1 + (vf->priv->exp_w - 1) / vf->priv->round) * vf->priv->round;
 223         vf->priv->exp_h = (1 + (vf->priv->exp_h - 1) / vf->priv->round) * vf->priv->round;
 224     }
 225
 226     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;
 227     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;
 228     vf->priv->fb_ptr=NULL;
 229
 230     if(!opts->screen_size_x && !opts->screen_size_y){
 231         d_width=d_width*vf->priv->exp_w/width;
 232         d_height=d_height*vf->priv->exp_h/height;
 233     }
 234     return vf_next_config(vf,vf->priv->exp_w,vf->priv->exp_h,d_width,d_height,flags,outfmt);
 235 }
 236
 237 // there are 4 cases:
 238 // codec --DR--> expand --DR--> vo
 239 // codec --DR--> expand -copy-> vo
 240 // codec -copy-> expand --DR--> vo
 241 // codec -copy-> expand -copy-> vo (worst case)
 242
 243 static void get_image(struct vf_instance* vf, mp_image_t *mpi){
 244 //    if(mpi->type==MP_IMGTYPE_IPB) return; // not yet working
 245 #ifdef OSD_SUPPORT
 246     if(vf->priv->osd_enabled && (mpi->flags&MP_IMGFLAG_PRESERVE)){
 247         // check if we have to render osd!
 248         osd_update(vf->priv->osd, vf->priv->exp_w, vf->priv->exp_h);
 249         if(vo_osd_check_range_update(vf->priv->exp_x,vf->priv->exp_y,
 250             vf->priv->exp_x+mpi->w,vf->priv->exp_y+mpi->h)) return;
 251     }
 252 #endif
 253     if(vf->priv->exp_w==mpi->width ||
 254        (mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH)) ){
 255         // try full DR !
 256         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 257             mpi->type, mpi->flags,
 258             MAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 259             MAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 260 #if 1
 261         if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) &&
 262           !(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){
 263             mp_tmsg(MSGT_VFILTER, MSGL_INFO, "Full DR not possible, trying SLICES instead!\n");
 264             return;
 265         }
 266 #endif
 267         // set up mpi as a cropped-down image of dmpi:
 268         if(mpi->flags&MP_IMGFLAG_PLANAR){
 269             mpi->planes[0]=vf->dmpi->planes[0]+
 270                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x;
 271             mpi->planes[1]=vf->dmpi->planes[1]+
 272                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 273             mpi->planes[2]=vf->dmpi->planes[2]+
 274                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 275             mpi->stride[1]=vf->dmpi->stride[1];
 276             mpi->stride[2]=vf->dmpi->stride[2];
 277         } else {
 278             mpi->planes[0]=vf->dmpi->planes[0]+
 279                 vf->priv->exp_y*vf->dmpi->stride[0]+
 280                 vf->priv->exp_x*(vf->dmpi->bpp/8);
 281         }
 282         mpi->stride[0]=vf->dmpi->stride[0];
 283         mpi->width=vf->dmpi->width;
 284         mpi->flags|=MP_IMGFLAG_DIRECT;
 285         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 286 //      vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 287     }
 288 }
 289
 290 static void start_slice(struct vf_instance* vf, mp_image_t *mpi){
 291 //    printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
 292     if(!vf->next->draw_slice){
 293         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 294         return;
 295     }
 296     // they want slices!!! allocate the buffer.
 297     if(!mpi->priv)
 298         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 299 //      MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
 300             MP_IMGTYPE_TEMP, mpi->flags,
 301             MAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 302             MAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 303     if(!(vf->dmpi->flags&MP_IMGFLAG_DRAW_CALLBACK))
 304         mp_tmsg(MSGT_VFILTER, MSGL_WARN, "WARNING! Next filter doesn't support SLICES, get ready for sig11...\n"); // shouldn't happen.
 305     vf->priv->first_slice = 1;
 306 }
 307
 308 static void draw_top_blackbar_slice(struct vf_instance* vf,
 309                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 310     if(vf->priv->exp_y>0 && y == 0) {
 311         vf_next_draw_slice(vf, vf->dmpi->planes, vf->dmpi->stride,
 312                            vf->dmpi->w,vf->priv->exp_y,0,0);
 313     }
 314
 315 }
 316
 317 static void draw_bottom_blackbar_slice(struct vf_instance* vf,
 318                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 319     if(vf->priv->exp_y+vf->h<vf->dmpi->h && y+h == vf->h) {
 320         unsigned char *src2[MP_MAX_PLANES];
 321         src2[0] = vf->dmpi->planes[0]
 322                 + (vf->priv->exp_y+vf->h)*vf->dmpi->stride[0];
 323         if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
 324             src2[1] = vf->dmpi->planes[1]
 325                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[1];
 326             src2[2] = vf->dmpi->planes[2]
 327                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[2];
 328         } else {
 329             src2[1] = vf->dmpi->planes[1]; // passthrough rgb8 palette
 330         }
 331         vf_next_draw_slice(vf, src2, vf->dmpi->stride,
 332                            vf->dmpi->w,vf->dmpi->h-(vf->priv->exp_y+vf->h),
 333                            0,vf->priv->exp_y+vf->h);
 334     }
 335 }
 336
 337 static void draw_slice(struct vf_instance* vf,
 338         unsigned char** src, int* stride, int w,int h, int x, int y){
 339 //    printf("draw_slice() called %d at %d\n",h,y);
 340
 341     if (y == 0 && y+h == vf->h) {
 342         // special case - only one slice
 343         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 344         vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 345         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 346         return;
 347     }
 348     if (vf->priv->first_slice) {
 349         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 350         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 351     }
 352     vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 353     if (!vf->priv->first_slice) {
 354         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 355         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 356     }
 357     vf->priv->first_slice = 0;
 358 }
 359
 360 static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts){
 361     if (vf->priv->passthrough) {
 362       mp_image_t *dmpi = vf_get_image(vf->next, IMGFMT_MPEGPES,
 363                                       MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
 364       dmpi->planes[0]=mpi->planes[0];
 365       return vf_next_put_image(vf,dmpi, pts);
 366     }
 367
 368     if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
 369         vf->dmpi=mpi->priv;
 370         if(!vf->dmpi) { mp_tmsg(MSGT_VFILTER, MSGL_WARN, "Why do we get NULL??\n"); return 0; }
 371         mpi->priv=NULL;
 372 #ifdef OSD_SUPPORT
 373         if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 374 #endif
 375         // we've used DR, so we're ready...
 376         if(!(mpi->flags&MP_IMGFLAG_PLANAR))
 377             vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 378         return vf_next_put_image(vf,vf->dmpi, pts);
 379     }
 380
 381     // hope we'll get DR buffer:
 382     vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 383         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 384         vf->priv->exp_w, vf->priv->exp_h);
 385
 386     // copy mpi->dmpi...
 387     if(mpi->flags&MP_IMGFLAG_PLANAR){
 388         memcpy_pic(vf->dmpi->planes[0]+
 389                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x,
 390                 mpi->planes[0], mpi->w, mpi->h,
 391                 vf->dmpi->stride[0],mpi->stride[0]);
 392         memcpy_pic(vf->dmpi->planes[1]+
 393                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 394                 mpi->planes[1], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 395                 vf->dmpi->stride[1],mpi->stride[1]);
 396         memcpy_pic(vf->dmpi->planes[2]+
 397                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 398                 mpi->planes[2], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 399                 vf->dmpi->stride[2],mpi->stride[2]);
 400     } else {
 401         memcpy_pic(vf->dmpi->planes[0]+
 402                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x*(vf->dmpi->bpp/8),
 403                 mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h,
 404                 vf->dmpi->stride[0],mpi->stride[0]);
 405         vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 406     }
 407 #ifdef OSD_SUPPORT
 408     if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 409 #endif
 410     return vf_next_put_image(vf,vf->dmpi, pts);
 411 }
 412
 413 //===========================================================================//
 414
 415 static int control(struct vf_instance* vf, int request, void* data){
 416 #ifdef OSD_SUPPORT
 417     switch(request){
 418     case VFCTRL_SET_OSD_OBJ:
 419         vf->priv->osd = data;
 420         break;
 421     case VFCTRL_DRAW_OSD:
 422         if(vf->priv->osd_enabled) return CONTROL_TRUE;
 423         break;
 424     case VFCTRL_REDRAW_OSD:
 425         if (vf->priv->osd_enabled)
 426             return false;
 427         break;
 428     }
 429 #endif
 430     return vf_next_control(vf,request,data);
 431 }
 432
 433 static int query_format(struct vf_instance* vf, unsigned int fmt){
 434   return vf_next_query_format(vf,fmt);
 435 }
 436
 437 static int open(vf_instance_t *vf, char* args){
 438     vf->config=config;
 439     vf->control=control;
 440     vf->query_format=query_format;
 441     vf->start_slice=start_slice;
 442     vf->draw_slice=draw_slice;
 443     vf->get_image=get_image;
 444     vf->put_image=put_image;
 445     mp_msg(MSGT_VFILTER, MSGL_INFO, "Expand: %d x %d, %d ; %d, osd: %d, aspect: %lf, round: %d\n",
 446     vf->priv->exp_w,
 447     vf->priv->exp_h,
 448     vf->priv->exp_x,
 449     vf->priv->exp_y,
 450     vf->priv->osd_enabled,
 451     vf->priv->aspect,
 452     vf->priv->round);
 453     return 1;
 454 }
 455
 456 #define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
 457 static const m_option_t vf_opts_fields[] = {
 458   {"w", ST_OFF(exp_w), CONF_TYPE_INT, 0, 0 ,0, NULL},
 459   {"h", ST_OFF(exp_h), CONF_TYPE_INT, 0, 0 ,0, NULL},
 460   {"x", ST_OFF(exp_x), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 461   {"y", ST_OFF(exp_y), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 462   {"osd", ST_OFF(osd_enabled), CONF_TYPE_FLAG, 0 , 0, 1, NULL},
 463   {"aspect", ST_OFF(aspect), CONF_TYPE_DOUBLE, M_OPT_MIN, 0, 0, NULL},
 464   {"round", ST_OFF(round), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL},
 465   { NULL, NULL, 0, 0, 0, 0,  NULL }
 466 };
 467
 468 static const m_struct_t vf_opts = {
 469   "expand",
 470   sizeof(struct vf_priv_s),
 471   &vf_priv_dflt,
 472   vf_opts_fields
 473 };
 474
 475
 476
 477 const vf_info_t vf_info_expand = {
 478 #ifdef OSD_SUPPORT
 479     "expanding & osd",
 480 #else
 481     "expanding",
 482 #endif
 483     "expand",
 484     "A'rpi",
 485     "",
 486     open,
 487     &vf_opts
 488 };
 489
 490 //===========================================================================//