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     int passthrough;
  59     int first_slice;
  60     struct osd_state *osd;
  61 } const vf_priv_dflt = {
  62   -1,-1,
  63   -1,-1,
  64   -1,-1,
  65   -1,-1,
  66   0,
  67   0.,
  68   1,
  69   0,
  70   0
  71 };
  72
  73 //===========================================================================//
  74 #ifdef OSD_SUPPORT
  75
  76 static void draw_func(void *ctx, int x0,int y0, int w,int h,unsigned char* src, unsigned char *srca, int stride){
  77     struct vf_instance *vf = ctx;
  78     unsigned char* dst;
  79     if(w<=0 || h<=0) return; // nothing to do...
  80 //    printf("OSD redraw: %d;%d %dx%d  \n",x0,y0,w,h);
  81     dst=vf->dmpi->planes[0]+
  82                         vf->dmpi->stride[0]*y0+
  83                         (vf->dmpi->bpp>>3)*x0;
  84     switch(vf->dmpi->imgfmt){
  85     case IMGFMT_BGR12:
  86     case IMGFMT_RGB12:
  87         vo_draw_alpha_rgb12(w, h, src, srca, stride, dst, vf->dmpi->stride[0]);
  88         break;
  89     case IMGFMT_BGR15:
  90     case IMGFMT_RGB15:
  91         vo_draw_alpha_rgb15(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
  92         break;
  93     case IMGFMT_BGR16:
  94     case IMGFMT_RGB16:
  95         vo_draw_alpha_rgb16(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
  96         break;
  97     case IMGFMT_BGR24:
  98     case IMGFMT_RGB24:
  99         vo_draw_alpha_rgb24(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 100         break;
 101     case IMGFMT_BGR32:
 102     case IMGFMT_RGB32:
 103         vo_draw_alpha_rgb32(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 104         break;
 105     case IMGFMT_YV12:
 106     case IMGFMT_I420:
 107     case IMGFMT_IYUV:
 108     case IMGFMT_YVU9:
 109     case IMGFMT_IF09:
 110     case IMGFMT_Y800:
 111     case IMGFMT_Y8:
 112         vo_draw_alpha_yv12(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 113         break;
 114     case IMGFMT_YUY2:
 115         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
 116         break;
 117     case IMGFMT_UYVY:
 118         vo_draw_alpha_yuy2(w,h,src,srca,stride,dst+1,vf->dmpi->stride[0]);
 119         break;
 120     }
 121 }
 122
 123 static void draw_osd(struct vf_instance *vf,int w,int h){
 124     osd_draw_text(vf->priv->osd, vf->priv->exp_w,vf->priv->exp_h,draw_func,vf);
 125 }
 126
 127 #endif
 128 //===========================================================================//
 129
 130 static int config(struct vf_instance *vf,
 131         int width, int height, int d_width, int d_height,
 132         unsigned int flags, unsigned int outfmt)
 133 {
 134     struct MPOpts *opts = vf->opts;
 135     if(outfmt == IMGFMT_MPEGPES) {
 136       vf->priv->passthrough = 1;
 137       return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 138     }
 139     if (outfmt == IMGFMT_IF09) return 0;
 140     vf->priv->exp_x = vf->priv->cfg_exp_x;
 141     vf->priv->exp_y = vf->priv->cfg_exp_y;
 142     vf->priv->exp_w = vf->priv->cfg_exp_w;
 143     vf->priv->exp_h = vf->priv->cfg_exp_h;
 144     // calculate the missing parameters:
 145 #if 0
 146     if(vf->priv->exp_w<width) vf->priv->exp_w=width;
 147     if(vf->priv->exp_h<height) vf->priv->exp_h=height;
 148 #else
 149     if ( vf->priv->exp_w == -1 ) vf->priv->exp_w=width;
 150       else if (vf->priv->exp_w < -1 ) vf->priv->exp_w=width - vf->priv->exp_w;
 151         else if ( vf->priv->exp_w<width ) vf->priv->exp_w=width;
 152     if ( vf->priv->exp_h == -1 ) vf->priv->exp_h=height;
 153       else if ( vf->priv->exp_h < -1 ) vf->priv->exp_h=height - vf->priv->exp_h;
 154         else if( vf->priv->exp_h<height ) vf->priv->exp_h=height;
 155 #endif
 156     if (vf->priv->aspect) {
 157         float adjusted_aspect = vf->priv->aspect;
 158         adjusted_aspect *= ((double)width/height) / ((double)d_width/d_height);
 159         if (vf->priv->exp_h < vf->priv->exp_w / adjusted_aspect) {
 160             vf->priv->exp_h = vf->priv->exp_w / adjusted_aspect + 0.5;
 161         } else {
 162             vf->priv->exp_w = vf->priv->exp_h * adjusted_aspect + 0.5;
 163         }
 164     }
 165     if (vf->priv->round > 1) { // round up.
 166         vf->priv->exp_w = (1 + (vf->priv->exp_w - 1) / vf->priv->round) * vf->priv->round;
 167         vf->priv->exp_h = (1 + (vf->priv->exp_h - 1) / vf->priv->round) * vf->priv->round;
 168     }
 169
 170     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;
 171     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;
 172
 173     if(!opts->screen_size_x && !opts->screen_size_y){
 174         d_width=d_width*vf->priv->exp_w/width;
 175         d_height=d_height*vf->priv->exp_h/height;
 176     }
 177     return vf_next_config(vf,vf->priv->exp_w,vf->priv->exp_h,d_width,d_height,flags,outfmt);
 178 }
 179
 180 // there are 4 cases:
 181 // codec --DR--> expand --DR--> vo
 182 // codec --DR--> expand -copy-> vo
 183 // codec -copy-> expand --DR--> vo
 184 // codec -copy-> expand -copy-> vo (worst case)
 185
 186 static void get_image(struct vf_instance *vf, mp_image_t *mpi){
 187 //    if(mpi->type==MP_IMGTYPE_IPB) return; // not yet working
 188 #ifdef OSD_SUPPORT
 189     if(vf->priv->osd_enabled && (mpi->flags&MP_IMGFLAG_PRESERVE)){
 190         // check if we have to render osd!
 191         osd_update(vf->priv->osd, vf->priv->exp_w, vf->priv->exp_h);
 192         if(vo_osd_check_range_update(vf->priv->exp_x,vf->priv->exp_y,
 193             vf->priv->exp_x+mpi->w,vf->priv->exp_y+mpi->h)) return;
 194     }
 195 #endif
 196     if(vf->priv->exp_w==mpi->width ||
 197        (mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH)) ){
 198         // try full DR !
 199         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 200             mpi->type, mpi->flags,
 201             FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 202             FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 203         if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) &&
 204           !(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){
 205             mp_tmsg(MSGT_VFILTER, MSGL_INFO, "Full DR not possible, trying SLICES instead!\n");
 206             return;
 207         }
 208         // set up mpi as a cropped-down image of dmpi:
 209         if(mpi->flags&MP_IMGFLAG_PLANAR){
 210             mpi->planes[0]=vf->dmpi->planes[0]+
 211                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x;
 212             mpi->planes[1]=vf->dmpi->planes[1]+
 213                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 214             mpi->planes[2]=vf->dmpi->planes[2]+
 215                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift);
 216             mpi->stride[1]=vf->dmpi->stride[1];
 217             mpi->stride[2]=vf->dmpi->stride[2];
 218         } else {
 219             mpi->planes[0]=vf->dmpi->planes[0]+
 220                 vf->priv->exp_y*vf->dmpi->stride[0]+
 221                 vf->priv->exp_x*(vf->dmpi->bpp/8);
 222         }
 223         mpi->stride[0]=vf->dmpi->stride[0];
 224         mpi->width=vf->dmpi->width;
 225         mpi->flags|=MP_IMGFLAG_DIRECT;
 226         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 227 //      vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 228     }
 229 }
 230
 231 static void start_slice(struct vf_instance *vf, mp_image_t *mpi){
 232 //    printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
 233     if(!vf->next->draw_slice){
 234         mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
 235         return;
 236     }
 237     // they want slices!!! allocate the buffer.
 238     if(!mpi->priv)
 239         mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 240 //      MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
 241             MP_IMGTYPE_TEMP, mpi->flags,
 242             FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
 243             FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
 244     if(!(vf->dmpi->flags&MP_IMGFLAG_DRAW_CALLBACK))
 245         mp_tmsg(MSGT_VFILTER, MSGL_WARN, "WARNING! Next filter doesn't support SLICES, get ready for sig11...\n"); // shouldn't happen.
 246     vf->priv->first_slice = 1;
 247 }
 248
 249 static void draw_top_blackbar_slice(struct vf_instance *vf,
 250                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 251     if(vf->priv->exp_y>0 && y == 0) {
 252         vf_next_draw_slice(vf, vf->dmpi->planes, vf->dmpi->stride,
 253                            vf->dmpi->w,vf->priv->exp_y,0,0);
 254     }
 255
 256 }
 257
 258 static void draw_bottom_blackbar_slice(struct vf_instance *vf,
 259                                     unsigned char** src, int* stride, int w,int h, int x, int y){
 260     if(vf->priv->exp_y+vf->h<vf->dmpi->h && y+h == vf->h) {
 261         unsigned char *src2[MP_MAX_PLANES];
 262         src2[0] = vf->dmpi->planes[0]
 263                 + (vf->priv->exp_y+vf->h)*vf->dmpi->stride[0];
 264         if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
 265             src2[1] = vf->dmpi->planes[1]
 266                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[1];
 267             src2[2] = vf->dmpi->planes[2]
 268                 + ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[2];
 269         } else {
 270             src2[1] = vf->dmpi->planes[1]; // passthrough rgb8 palette
 271         }
 272         vf_next_draw_slice(vf, src2, vf->dmpi->stride,
 273                            vf->dmpi->w,vf->dmpi->h-(vf->priv->exp_y+vf->h),
 274                            0,vf->priv->exp_y+vf->h);
 275     }
 276 }
 277
 278 static void draw_slice(struct vf_instance *vf,
 279         unsigned char** src, int* stride, int w,int h, int x, int y){
 280 //    printf("draw_slice() called %d at %d\n",h,y);
 281
 282     if (y == 0 && y+h == vf->h) {
 283         // special case - only one slice
 284         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 285         vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 286         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 287         return;
 288     }
 289     if (vf->priv->first_slice) {
 290         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 291         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 292     }
 293     vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
 294     if (!vf->priv->first_slice) {
 295         draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
 296         draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
 297     }
 298     vf->priv->first_slice = 0;
 299 }
 300
 301 // w, h = width and height of the actual video frame (located at exp_x/exp_y)
 302 static void clear_borders(struct vf_instance *vf, int w, int h)
 303 {
 304     // upper border (over the full width)
 305     vf_mpi_clear(vf->dmpi, 0, 0, vf->priv->exp_w, vf->priv->exp_y);
 306     // lower border
 307     vf_mpi_clear(vf->dmpi, 0, vf->priv->exp_y + h, vf->priv->exp_w,
 308                  vf->priv->exp_h - (vf->priv->exp_y + h));
 309     // left
 310     vf_mpi_clear(vf->dmpi, 0, vf->priv->exp_y, vf->priv->exp_x, h);
 311     // right
 312     vf_mpi_clear(vf->dmpi, vf->priv->exp_x + w, vf->priv->exp_y,
 313                  vf->priv->exp_w - (vf->priv->exp_x + w), h);
 314 }
 315
 316 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
 317     if (vf->priv->passthrough) {
 318       mp_image_t *dmpi = vf_get_image(vf->next, IMGFMT_MPEGPES,
 319                                       MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
 320       dmpi->planes[0]=mpi->planes[0];
 321       return vf_next_put_image(vf,dmpi, pts);
 322     }
 323
 324     if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
 325         vf->dmpi=mpi->priv;
 326         if(!vf->dmpi) { mp_tmsg(MSGT_VFILTER, MSGL_WARN, "Why do we get NULL??\n"); return 0; }
 327         mpi->priv=NULL;
 328         clear_borders(vf,mpi->w,mpi->h);
 329 #ifdef OSD_SUPPORT
 330         if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 331 #endif
 332         // we've used DR, so we're ready...
 333         if(!(mpi->flags&MP_IMGFLAG_PLANAR))
 334             vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 335         return vf_next_put_image(vf,vf->dmpi, pts);
 336     }
 337
 338     // hope we'll get DR buffer:
 339     vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 340         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 341         vf->priv->exp_w, vf->priv->exp_h);
 342
 343     // copy mpi->dmpi...
 344     if(mpi->flags&MP_IMGFLAG_PLANAR){
 345         memcpy_pic(vf->dmpi->planes[0]+
 346                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x,
 347                 mpi->planes[0], mpi->w, mpi->h,
 348                 vf->dmpi->stride[0],mpi->stride[0]);
 349         memcpy_pic(vf->dmpi->planes[1]+
 350                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 351                 mpi->planes[1], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 352                 vf->dmpi->stride[1],mpi->stride[1]);
 353         memcpy_pic(vf->dmpi->planes[2]+
 354                 (vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift),
 355                 mpi->planes[2], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
 356                 vf->dmpi->stride[2],mpi->stride[2]);
 357     } else {
 358         memcpy_pic(vf->dmpi->planes[0]+
 359                 vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x*(vf->dmpi->bpp/8),
 360                 mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h,
 361                 vf->dmpi->stride[0],mpi->stride[0]);
 362         vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
 363     }
 364     clear_borders(vf,mpi->w,mpi->h);
 365 #ifdef OSD_SUPPORT
 366     if(vf->priv->osd_enabled) draw_osd(vf,mpi->w,mpi->h);
 367 #endif
 368     return vf_next_put_image(vf,vf->dmpi, pts);
 369 }
 370
 371 //===========================================================================//
 372
 373 static int control(struct vf_instance *vf, int request, void* data){
 374 #ifdef OSD_SUPPORT
 375     switch(request){
 376     case VFCTRL_SET_OSD_OBJ:
 377         vf->priv->osd = data;
 378         break;
 379     case VFCTRL_DRAW_OSD:
 380         if(vf->priv->osd_enabled) return CONTROL_TRUE;
 381         break;
 382     }
 383 #endif
 384     return vf_next_control(vf,request,data);
 385 }
 386
 387 static int query_format(struct vf_instance *vf, unsigned int fmt){
 388   return vf_next_query_format(vf,fmt);
 389 }
 390
 391 static int vf_open(vf_instance_t *vf, char *args){
 392     vf->config=config;
 393     vf->control=control;
 394     vf->query_format=query_format;
 395     vf->start_slice=start_slice;
 396     vf->draw_slice=draw_slice;
 397     vf->get_image=get_image;
 398     vf->put_image=put_image;
 399     mp_msg(MSGT_VFILTER, MSGL_INFO, "Expand: %d x %d, %d ; %d, osd: %d, aspect: %f, round: %d\n",
 400     vf->priv->cfg_exp_w,
 401     vf->priv->cfg_exp_h,
 402     vf->priv->cfg_exp_x,
 403     vf->priv->cfg_exp_y,
 404     vf->priv->osd_enabled,
 405     vf->priv->aspect,
 406     vf->priv->round);
 407     if (vf->priv->osd_enabled)
 408         vf->default_caps = VFCAP_OSD_FILTER;
 409     return 1;
 410 }
 411
 412 #define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
 413 static m_option_t vf_opts_fields[] = {
 414   {"w", ST_OFF(cfg_exp_w), CONF_TYPE_INT, 0, 0 ,0, NULL},
 415   {"h", ST_OFF(cfg_exp_h), CONF_TYPE_INT, 0, 0 ,0, NULL},
 416   {"x", ST_OFF(cfg_exp_x), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 417   {"y", ST_OFF(cfg_exp_y), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
 418   {"osd", ST_OFF(osd_enabled), CONF_TYPE_FLAG, 0 , 0, 1, NULL},
 419   {"aspect", ST_OFF(aspect), CONF_TYPE_DOUBLE, M_OPT_MIN, 0, 0, NULL},
 420   {"round", ST_OFF(round), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL},
 421   { NULL, NULL, 0, 0, 0, 0,  NULL }
 422 };
 423
 424 static const m_struct_t vf_opts = {
 425   "expand",
 426   sizeof(struct vf_priv_s),
 427   &vf_priv_dflt,
 428   vf_opts_fields
 429 };
 430
 431
 432
 433 const vf_info_t vf_info_expand = {
 434 #ifdef OSD_SUPPORT
 435     "expanding & osd",
 436 #else
 437     "expanding",
 438 #endif
 439     "expand",
 440     "A'rpi",
 441     "",
 442     vf_open,
 443     &vf_opts
 444 };
 445
 446 //===========================================================================//