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 "options.h"
  29
  30 #include "img_format.h"
  31 #include "mp_image.h"
  32 #include "vf.h"
  33
  34 #include "libvo/fastmemcpy.h"
  35 #include "libavutil/avutil.h"
  36
  37 #ifdef OSD_SUPPORT
  38 #include "sub/sub.h"
  39 #include "libvo/osd.h"
  40 #endif
  41
  42 #include "m_option.h"
  43 #include "m_struct.h"
  44
  45 static struct vf_priv_s {
  46     // These four values are a backup of the values parsed from the command line.
  47     // This is necessary so that we do not get a mess upon filter reinit due to
  48     // e.g. aspect changes and with only aspect specified on the command line,
  49     // where we would otherwise use the values calculated for a different aspect
  50     // instead of recalculating them again.
  51     int cfg_exp_w, cfg_exp_h;
  52     int cfg_exp_x, cfg_exp_y;
  53     int exp_w,exp_h;
  54     int exp_x,exp_y;
  55     int osd_enabled;
  56     double aspect;
  57     int round;
  58     unsigned char* fb_ptr;
  59     int passthrough;
  60     int first_slice;
  61     struct osd_state *osd;
  62 } const vf_priv_dflt = {
  63   -1,-1,
  64   -1,-1,
  65   -1,-1,
  66   -1,-1,
  67   0,
  68   0.,
  69   1,
  70   NULL,
  71   0,
  72   0
  73 };
  74
  75 //===========================================================================//
  76 #ifdef OSD_SUPPORT
  77
  78 static struct vf_instance *vf=NULL; // fixme (needs sub.c changes)
  79 static int orig_w,orig_h;
  80
  81 static void remove_func_2(int x0,int y0, int w,int h){
  82     // TODO: let's cleanup the place
  83     //printf("OSD clear: %d;%d %dx%d  \n",x0,y0,w,h);
  84     vf_mpi_clear(vf->dmpi,x0,y0,w,h);
  85 }
  86
  87 static void remove_func(int x0,int y0, int w,int h){
  88     if(!vo_osd_changed_flag) return;
  89     // split it to 4 parts:
  90     if(y0<vf->priv->exp_y){
  91         // it has parts above the image:
  92         int y=y0+h;
  93         if(y>vf->priv->exp_y) y=vf->priv->exp_y;
  94         remove_func_2(x0,y0,w,y-y0);
  95         if(y0+h<=vf->priv->exp_y) return;
  96         h-=y-y0;y0=y;
  97     }
  98     if(y0+h>vf->priv->exp_y+orig_h){
  99         // it has parts under the image:
 100         int y=y0;
 101         if(y<vf->priv->exp_y+orig_h) y=vf->priv->exp_y+orig_h;
 102         remove_func_2(x0,y,w,y0+h-y);
 103         if(y0>=vf->priv->exp_y+orig_h) return;
 104         h=y-y0;
 105     }
 106     if(x0<vf->priv->exp_x){
 107         // it has parts on the left side of the image:
 108         int x=x0+w;
 109         if(x>vf->priv->exp_x) x=vf->priv->exp_x;
 110         remove_func_2(x0,y0,x-x0,h);
 111         if(x0+w<=vf->priv->exp_x) return;
 112         w-=x-x0;x0=x;
 113     }
 114     if(x0+w>vf->priv->exp_x+orig_w){
 115         // it has parts on the right side of the image:
 116         int x=x0;
 117         if(x<vf->priv->exp_x+orig_w) x=vf->priv->exp_x+orig_w;
 118         remove_func_2(x,y0,x0+w-x,h);
 119         if(x0>=vf->priv->exp_x+orig_w) return;
 120         w=x-x0;
 121     }
 122 }
 123
 124 static void draw_func(void *ctx, int x0,int y0, int w,int h,unsigned char* src, unsigned char *srca, int stride){
 125     unsigned char* dst;
 126     if(!vo_osd_changed_flag && vf->dmpi->planes[0]==vf->priv->fb_ptr){
 127         // ok, enough to update the area inside the video, leave the black bands
 128         // untouched!
 129         if(x0<vf->priv->exp_x){
 130             int tmp=vf->priv->exp_x-x0;
 131             w-=tmp; src+=tmp; srca+=tmp; x0+=tmp;
 132         }
 133         if(y0<vf->priv->exp_y){
 134             int tmp=vf->priv->exp_y-y0;
 135             h-=tmp; src+=tmp*stride; srca+=tmp*stride; y0+=tmp;
 136         }
 137         if(x0+w>vf->priv->exp_x+orig_w){
 138             w=vf->priv->exp_x+orig_w-x0;
 139         }
 140         if(y0+h>vf->priv->exp_y+orig_h){
 141             h=vf->priv->exp_y+orig_h-y0;
 142         }
 143     }
 144     if(w<=0 || h<=0) return; // nothing to do...
 145 //    printf("OSD redraw: %d;%d %dx%d  \n",x0,y0,w,h);
 146     dst=vf->dmpi->planes[0]+
 147                         vf->dmpi->stride[0]*y0+
 148                         (vf->dmpi->bpp>>3)*x0;
 149     switch(vf->dmpi->imgfmt){
 150     case IMGFMT_BGR12:
 151     case IMGFMT_RGB12:
 152         vo_draw_alpha_rgb12(w, h, src, srca, stride, dst, vf->dmpi->stride[0]);
 153         break;
 154     case IMGFMT_BGR15:
 155     case IMGFMT_RGB15:
 156         vo_draw_alpha_rgb15(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 157         break;
 158     case IMGFMT_BGR16:
 159     case IMGFMT_RGB16:
 160         vo_draw_alpha_rgb16(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 161         break;
 162     case IMGFMT_BGR24:
 163     case IMGFMT_RGB24:
 164         vo_draw_alpha_rgb24(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 165         break;
 166     case IMGFMT_BGR32:
 167     case IMGFMT_RGB32:
 168         vo_draw_alpha_rgb32(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 169         break;
 170     case IMGFMT_YV12:
 171     case IMGFMT_I420:
 172     case IMGFMT_IYUV:
 173     case IMGFMT_YVU9:
 174     case IMGFMT_IF09:
 175     case IMGFMT_Y800:
 176     case IMGFMT_Y8:
 177         vo_draw_alpha_yv12(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 178         break;
 179     case IMGFMT_YUY2:
 180         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 181         break;
 182     case IMGFMT_UYVY:
 183         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst+1,vf->dmpi->stride[0]);
 184         break;
 185     }
 186 }
 187
 188 static void draw_osd(struct vf_instance *vf_,int w,int h){
 189     vf=vf_;orig_w=w;orig_h=h;
 190 //    printf("======================================\n");
 191     if(vf->priv->exp_w!=w || vf->priv->exp_h!=h ||
 192         vf->priv->exp_x || vf->priv->exp_y){
 193         // yep, we're expanding image, not just copy.
 194         if(vf->dmpi->planes[0]!=vf->priv->fb_ptr){
 195             // double buffering, so we need full clear :(
 196             if (vf->priv->exp_y > 0)
 197                 remove_func_2(0,0,vf->priv->exp_w,vf->priv->exp_y);
 198             if (vf->priv->exp_y+h < vf->priv->exp_h)
 199                 remove_func_2(0,vf->priv->exp_y+h,vf->priv->exp_w,vf->priv->exp_h-h-vf->priv->exp_y);
 200             if (vf->priv->exp_x > 0)
 201                 remove_func_2(0,vf->priv->exp_y,vf->priv->exp_x,h);
 202             if (vf->priv->exp_x+w < vf->priv->exp_w)
 203                 remove_func_2(vf->priv->exp_x+w,vf->priv->exp_y,vf->priv->exp_w-w-vf->priv->exp_x,h);
 204         } else {
 205             // partial clear:
 206             osd_remove_text(vf->priv->osd, vf->priv->exp_w,vf->priv->exp_h,remove_func);
 207         }
 208     }
 209     osd_draw_text(vf->priv->osd, vf->priv->exp_w,vf->priv->exp_h,draw_func, NULL);
 210     // save buffer pointer for double buffering detection - yes, i know it's
 211     // ugly method, but note that codecs with DR support does the same...
 212     if(vf->dmpi)
 213       vf->priv->fb_ptr=vf->dmpi->planes[0];
 214 }
 215
 216 #endif
 217 //===========================================================================//
 218
 219 static int config(struct vf_instance *vf,
 220         int width, int height, int d_width, int d_height,
 221         unsigned int flags, unsigned int outfmt)
 222 {
 223     struct MPOpts *opts = vf->opts;
 224     if(outfmt == IMGFMT_MPEGPES) {
 225       vf->priv->passthrough = 1;
 226       return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 227     }
 228     if (outfmt == IMGFMT_IF09) return 0;
 229     vf->priv->exp_x = vf->priv->cfg_exp_x;
 230     vf->priv->exp_y = vf->priv->cfg_exp_y;
 231     vf->priv->exp_w = vf->priv->cfg_exp_w;
 232     vf->priv->exp_h = vf->priv->cfg_exp_h;
 233     // calculate the missing parameters:
 234 #if 0
 235     if(vf->priv->exp_w<width) vf->priv->exp_w=width;
 236     if(vf->priv->exp_h<height) vf->priv->exp_h=height;
 237 #else
 238     if ( vf->priv->exp_w == -1 ) vf->priv->exp_w=width;
 239       else if (vf->priv->exp_w < -1 ) vf->priv->exp_w=width - vf->priv->exp_w;
 240         else if ( vf->priv->exp_w<width ) vf->priv->exp_w=width;
 241     if ( vf->priv->exp_h == -1 ) vf->priv->exp_h=height;
 242       else if ( vf->priv->exp_h < -1 ) vf->priv->exp_h=height - vf->priv->exp_h;
 243         else if( vf->priv->exp_h<height ) vf->priv->exp_h=height;
 244 #endif
 245     if (vf->priv->aspect) {
 246         float adjusted_aspect = vf->priv->aspect;
 247         adjusted_aspect *= ((double)width/height) / ((double)d_width/d_height);
 248         if (vf->priv->exp_h < vf->priv->exp_w / adjusted_aspect) {
 249             vf->priv->exp_h = vf->priv->exp_w / adjusted_aspect + 0.5;
 250         } else {
 251             vf->priv->exp_w = vf->priv->exp_h * adjusted_aspect + 0.5;
 252         }
 253     }
 254     if (vf->priv->round > 1) { // round up.
 255         vf->priv->exp_w = (1 + (vf->priv->exp_w - 1) / vf->priv->round) * vf->priv->round;
 256         vf->priv->exp_h = (1 + (vf->priv->exp_h - 1) / vf->priv->round) * vf->priv->round;
 257     }
 258
 259     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;
 260     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;
 261     vf->priv->fb_ptr=NULL;
 262
 263     if(!opts->screen_size_x && !opts->screen_size_y){
 264         d_width=d_width*vf->priv->exp_w/width;
 265         d_height=d_height*vf->priv->exp_h/height;
 266     }
 267     return vf_next_config(vf,vf->priv->exp_w,vf->priv->exp_h,d_width,d_height,flags,outfmt);
 268 }
 269
 270 // there are 4 cases:
 271 // codec --DR--> expand --DR--> vo
 272 // codec --DR--> expand -copy-> vo
 273 // codec -copy-> expand --DR--> vo
 274 // codec -copy-> expand -copy-> vo (worst case)
 275
 276 static void get_image(struct vf_instance *vf, mp_image_t *mpi){
 277 //    if(mpi->type==MP_IMGTYPE_IPB) return; // not yet working
 278 #ifdef OSD_SUPPORT
 279     if(vf->priv->osd_enabled && (mpi->flags&MP_IMGFLAG_PRESERVE)){
 280         // check if we have to render osd!
 281         osd_update(vf->priv->osd, vf->priv->exp_w, vf->priv->exp_h);
 282         if(vo_osd_check_range_update(vf->priv->exp_x,vf->priv->exp_y,
 283             vf->priv->exp_x+mpi->w,vf->priv->exp_y+mpi->h)) return;
 284     }
 285 #endif
 286     if(vf->priv->exp_w==mpi->width ||
 287        (mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH)) ){
 288         // try full DR !
 289         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 290             mpi->type, mpi->flags,
 291             FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 292             FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 293         if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) &&
 294           !(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){
 295             mp_tmsg(MSGT_VFILTER, MSGL_INFO, "Full DR not possible, trying SLICES instead!\n");
 296             return;
 297         }
 298         // set up mpi as a cropped-down image of dmpi:
 299         if(mpi->flags&MP_IMGFLAG_PLANAR){
 300             mpi->planes[0]=vf->dmpi->planes[0]+
 301                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x;
 302             mpi->planes[1]=vf->dmpi->planes[1]+
 303                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 304             mpi->planes[2]=vf->dmpi->planes[2]+
 305                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 306             mpi->stride[1]=vf->dmpi->stride[1];
 307             mpi->stride[2]=vf->dmpi->stride[2];
 308         } else {
 309             mpi->planes[0]=vf->dmpi->planes[0]+
 310                 vf->priv->exp_y*vf->dmpi->stride[0]+
 311                 vf->priv->exp_x*(vf->dmpi->bpp/8);
 312         }
 313         mpi->stride[0]=vf->dmpi->stride[0];
 314         mpi->width=vf->dmpi->width;
 315         mpi->flags|=MP_IMGFLAG_DIRECT;
 316         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 317 //      vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 318     }
 319 }
 320
 321 static void start_slice(struct vf_instance *vf, mp_image_t *mpi){
 322 //    printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
 323     if(!vf->next->draw_slice){
 324         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 325         return;
 326     }
 327     // they want slices!!! allocate the buffer.
 328     if(!mpi->priv)
 329         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 330 //      MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
 331             MP_IMGTYPE_TEMP, mpi->flags,
 332             FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 333             FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 334     if(!(vf->dmpi->flags&MP_IMGFLAG_DRAW_CALLBACK))
 335         mp_tmsg(MSGT_VFILTER, MSGL_WARN, "WARNING! Next filter doesn't support SLICES, get ready for sig11...\n"); // shouldn't happen.
 336     vf->priv->first_slice = 1;
 337 }
 338
 339 static void draw_top_blackbar_slice(struct vf_instance *vf,
 340                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 341     if(vf->priv->exp_y>0 && y == 0) {
 342         vf_next_draw_slice(vf, vf->dmpi->planes, vf->dmpi->stride,
 343                            vf->dmpi->w,vf->priv->exp_y,0,0);
 344     }
 345
 346 }
 347
 348 static void draw_bottom_blackbar_slice(struct vf_instance *vf,
 349                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 350     if(vf->priv->exp_y+vf->h<vf->dmpi->h && y+h == vf->h) {
 351         unsigned char *src2[MP_MAX_PLANES];
 352         src2[0] = vf->dmpi->planes[0]
 353                 + (vf->priv->exp_y+vf->h)*vf->dmpi->stride[0];
 354         if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
 355             src2[1] = vf->dmpi->planes[1]
 356                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[1];
 357             src2[2] = vf->dmpi->planes[2]
 358                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[2];
 359         } else {
 360             src2[1] = vf->dmpi->planes[1]; // passthrough rgb8 palette
 361         }
 362         vf_next_draw_slice(vf, src2, vf->dmpi->stride,
 363                            vf->dmpi->w,vf->dmpi->h-(vf->priv->exp_y+vf->h),
 364                            0,vf->priv->exp_y+vf->h);
 365     }
 366 }
 367
 368 static void draw_slice(struct vf_instance *vf,
 369         unsigned char** src, int* stride, int w,int h, int x, int y){
 370 //    printf("draw_slice() called %d at %d\n",h,y);
 371
 372     if (y == 0 && y+h == vf->h) {
 373         // special case - only one slice
 374         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 375         vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 376         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 377         return;
 378     }
 379     if (vf->priv->first_slice) {
 380         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 381         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 382     }
 383     vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 384     if (!vf->priv->first_slice) {
 385         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 386         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 387     }
 388     vf->priv->first_slice = 0;
 389 }
 390
 391 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
 392     if (vf->priv->passthrough) {
 393       mp_image_t *dmpi = vf_get_image(vf->next, IMGFMT_MPEGPES,
 394                                       MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
 395       dmpi->planes[0]=mpi->planes[0];
 396       return vf_next_put_image(vf,dmpi, pts);
 397     }
 398
 399     if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
 400         vf->dmpi=mpi->priv;
 401         if(!vf->dmpi) { mp_tmsg(MSGT_VFILTER, MSGL_WARN, "Why do we get NULL??\n"); return 0; }
 402         mpi->priv=NULL;
 403 #ifdef OSD_SUPPORT
 404         if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 405 #endif
 406         // we've used DR, so we're ready...
 407         if(!(mpi->flags&MP_IMGFLAG_PLANAR))
 408             vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 409         return vf_next_put_image(vf,vf->dmpi, pts);
 410     }
 411
 412     // hope we'll get DR buffer:
 413     vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 414         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 415         vf->priv->exp_w, vf->priv->exp_h);
 416
 417     // copy mpi->dmpi...
 418     if(mpi->flags&MP_IMGFLAG_PLANAR){
 419         memcpy_pic(vf->dmpi->planes[0]+
 420                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x,
 421                 mpi->planes[0], mpi->w, mpi->h,
 422                 vf->dmpi->stride[0],mpi->stride[0]);
 423         memcpy_pic(vf->dmpi->planes[1]+
 424                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 425                 mpi->planes[1], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 426                 vf->dmpi->stride[1],mpi->stride[1]);
 427         memcpy_pic(vf->dmpi->planes[2]+
 428                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 429                 mpi->planes[2], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 430                 vf->dmpi->stride[2],mpi->stride[2]);
 431     } else {
 432         memcpy_pic(vf->dmpi->planes[0]+
 433                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x*(vf->dmpi->bpp/8),
 434                 mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h,
 435                 vf->dmpi->stride[0],mpi->stride[0]);
 436         vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 437     }
 438 #ifdef OSD_SUPPORT
 439     if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 440 #endif
 441     return vf_next_put_image(vf,vf->dmpi, pts);
 442 }
 443
 444 //===========================================================================//
 445
 446 static int control(struct vf_instance *vf, int request, void* data){
 447 #ifdef OSD_SUPPORT
 448     switch(request){
 449     case VFCTRL_SET_OSD_OBJ:
 450         vf->priv->osd = data;
 451         break;
 452     case VFCTRL_DRAW_OSD:
 453         if(vf->priv->osd_enabled) return CONTROL_TRUE;
 454         break;
 455     case VFCTRL_REDRAW_OSD:
 456         if (vf->priv->osd_enabled)
 457             return false;
 458         break;
 459     }
 460 #endif
 461     return vf_next_control(vf,request,data);
 462 }
 463
 464 static int query_format(struct vf_instance *vf, unsigned int fmt){
 465   return vf_next_query_format(vf,fmt);
 466 }
 467
 468 static int vf_open(vf_instance_t *vf, char *args){
 469     vf->config=config;
 470     vf->control=control;
 471     vf->query_format=query_format;
 472     vf->start_slice=start_slice;
 473     vf->draw_slice=draw_slice;
 474     vf->get_image=get_image;
 475     vf->put_image=put_image;
 476     mp_msg(MSGT_VFILTER, MSGL_INFO, "Expand: %d x %d, %d ; %d, osd: %d, aspect: %f, round: %d\n",
 477     vf->priv->cfg_exp_w,
 478     vf->priv->cfg_exp_h,
 479     vf->priv->cfg_exp_x,
 480     vf->priv->cfg_exp_y,
 481     vf->priv->osd_enabled,
 482     vf->priv->aspect,
 483     vf->priv->round);
 484     return 1;
 485 }
 486
 487 #define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
 488 static m_option_t vf_opts_fields[] = {
 489   {"w", ST_OFF(cfg_exp_w), CONF_TYPE_INT, 0, 0 ,0, NULL},
 490   {"h", ST_OFF(cfg_exp_h), CONF_TYPE_INT, 0, 0 ,0, NULL},
 491   {"x", ST_OFF(cfg_exp_x), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 492   {"y", ST_OFF(cfg_exp_y), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 493   {"osd", ST_OFF(osd_enabled), CONF_TYPE_FLAG, 0 , 0, 1, NULL},
 494   {"aspect", ST_OFF(aspect), CONF_TYPE_DOUBLE, M_OPT_MIN, 0, 0, NULL},
 495   {"round", ST_OFF(round), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL},
 496   { NULL, NULL, 0, 0, 0, 0,  NULL }
 497 };
 498
 499 static const m_struct_t vf_opts = {
 500   "expand",
 501   sizeof(struct vf_priv_s),
 502   &vf_priv_dflt,
 503   vf_opts_fields
 504 };
 505
 506
 507
 508 const vf_info_t vf_info_expand = {
 509 #ifdef OSD_SUPPORT
 510     "expanding & osd",
 511 #else
 512     "expanding",
 513 #endif
 514     "expand",
 515     "A'rpi",
 516     "",
 517     vf_open,
 518     &vf_opts
 519 };
 520
 521 //===========================================================================//