libmenu/vf_menu.c

   1
   2 #include "../config.h"
   3
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7
   8 #ifdef HAVE_MALLOC_H
   9 #include <malloc.h>
  10 #endif
  11
  12 #include "../mp_msg.h"
  13
  14 #include "../libmpcodecs/img_format.h"
  15 #include "../libmpcodecs/mp_image.h"
  16 #include "../libmpcodecs/vf.h"
  17
  18 #include "../libvo/fastmemcpy.h"
  19 #include "../libvo/video_out.h"
  20 #include "../libvo/font_load.h"
  21 #include "../input/input.h"
  22 #include "../m_struct.h"
  23 #include "menu.h"
  24
  25 extern vo_functions_t* video_out;
  26
  27
  28 static struct vf_priv_s* st_priv = NULL;
  29
  30 static mp_image_t* pause_mpi = NULL;
  31 static int go2pause = 0;
  32
  33 struct vf_priv_s {
  34   menu_t* root;
  35   menu_t* current;
  36 };
  37
  38 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi);
  39
  40 static mp_image_t* alloc_mpi(int w, int h, uint32_t fmt) {
  41   mp_image_t* mpi = new_mp_image(w,h);
  42
  43   mp_image_setfmt(mpi,fmt);
  44   // IF09 - allocate space for 4. plane delta info - unused
  45   if (mpi->imgfmt == IMGFMT_IF09)
  46     {
  47       mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8+
  48                               mpi->chroma_width*mpi->chroma_height);
  49       /* delta table, just for fun ;) */
  50       mpi->planes[3]=mpi->planes[0]+2*(mpi->chroma_width*mpi->chroma_height);
  51     }
  52   else
  53     mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8);
  54   if(mpi->flags&MP_IMGFLAG_PLANAR){
  55     // YV12/I420/YVU9/IF09. feel free to add other planar formats here...
  56     if(!mpi->stride[0]) mpi->stride[0]=mpi->width;
  57     if(!mpi->stride[1]) mpi->stride[1]=mpi->stride[2]=mpi->chroma_width;
  58     if(mpi->flags&MP_IMGFLAG_SWAPPED){
  59       // I420/IYUV  (Y,U,V)
  60       mpi->planes[1]=mpi->planes[0]+mpi->width*mpi->height;
  61       mpi->planes[2]=mpi->planes[1]+mpi->chroma_width*mpi->chroma_height;
  62     } else {
  63       // YV12,YVU9,IF09  (Y,V,U)
  64       mpi->planes[2]=mpi->planes[0]+mpi->width*mpi->height;
  65       mpi->planes[1]=mpi->planes[2]+mpi->chroma_width*mpi->chroma_height;
  66     }
  67   } else {
  68     if(!mpi->stride[0]) mpi->stride[0]=mpi->width*mpi->bpp/8;
  69   }
  70   mpi->flags|=MP_IMGFLAG_ALLOCATED;
  71
  72   return mpi;
  73 }
  74
  75 void vf_menu_pause_update(struct vf_instance_s* vf) {
  76   if(pause_mpi) {
  77     put_image(vf,pause_mpi);
  78     // Don't draw the osd atm
  79     //vf->control(vf,VFCTRL_DRAW_OSD,NULL);
  80     video_out->flip_page();
  81   }
  82 }
  83
  84 static int cmd_filter(mp_cmd_t* cmd, int paused, struct vf_priv_s * priv) {
  85
  86   switch(cmd->id) {
  87   case MP_CMD_PAUSE :
  88 #if 0 // http://mplayerhq.hu/pipermail/mplayer-dev-eng/2003-March/017331.html
  89     if(!paused && !go2pause) { // Initial pause cmd -> wait the next put_image
  90       go2pause = 1;
  91       return 1;
  92     }
  93 #endif
  94     if(go2pause == 2) // Msg resent by put_image after saving the image
  95       go2pause = 0;
  96     break;
  97   case MP_CMD_MENU : {  // Convert txt cmd from the users into libmenu stuff
  98     char* arg = cmd->args[0].v.s;
  99
 100     if(!priv->current->show)
 101       priv->current->show = 1;
 102     else if(strcmp(arg,"up") == 0)
 103       menu_read_cmd(priv->current,MENU_CMD_UP);
 104     else if(strcmp(arg,"down") == 0)
 105       menu_read_cmd(priv->current,MENU_CMD_DOWN);
 106     else if(strcmp(arg,"ok") == 0)
 107       menu_read_cmd(priv->current,MENU_CMD_OK);
 108     else if(strcmp(arg,"cancel") == 0)
 109       menu_read_cmd(priv->current,MENU_CMD_CANCEL);
 110     else if(strcmp(arg,"hide") == 0)
 111       priv->current->show = 0;
 112     else
 113       printf("Unknown menu command: '%s'\n",arg);
 114     return 1;
 115   }
 116   case MP_CMD_SET_MENU : {
 117     char* menu = cmd->args[0].v.s;
 118     menu_t* l = priv->current;
 119     priv->current = menu_open(menu);
 120     if(!priv->current) {
 121       printf("Failed to open menu '%s'\n",menu);
 122       priv->current = l;
 123       priv->current->show = 0;
 124     } else {
 125       priv->current->show = 1;
 126       priv->current->parent = l;
 127     }
 128     return 1;
 129   }
 130   }
 131   return 0;
 132 }
 133
 134 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
 135   mp_image_t *dmpi;
 136
 137   if(mpi->type == MP_IMGTYPE_TEMP && (!(mpi->flags&MP_IMGFLAG_PRESERVE)) ) {
 138     dmpi = vf_get_image(vf->next,mpi->imgfmt,mpi->type, mpi->flags, mpi->w, mpi->h);
 139     memcpy(mpi->planes,dmpi->planes,MP_MAX_PLANES*sizeof(unsigned char*));
 140     memcpy(mpi->stride,dmpi->stride,MP_MAX_PLANES*sizeof(unsigned int));
 141     mpi->flags|=MP_IMGFLAG_DIRECT;
 142     mpi->priv=(void*)dmpi;
 143     return;
 144   }
 145 }
 146
 147 static void key_cb(int code) {
 148   menu_read_key(st_priv->current,code);
 149 }
 150
 151
 152
 153 inline static void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
 154   if(mpi->flags&MP_IMGFLAG_PLANAR){
 155     memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
 156                dmpi->stride[0],mpi->stride[0]);
 157     memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
 158                dmpi->stride[1],mpi->stride[1]);
 159     memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
 160                dmpi->stride[2],mpi->stride[2]);
 161   } else {
 162     memcpy_pic(dmpi->planes[0],mpi->planes[0],
 163                mpi->w*(dmpi->bpp/8), mpi->h,
 164                dmpi->stride[0],mpi->stride[0]);
 165   }
 166 }
 167
 168
 169
 170 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
 171   mp_image_t *dmpi = NULL;
 172
 173   if(vf->priv->current->show
 174   || (vf->priv->current->parent && vf->priv->current->parent->show)) {
 175   // Close all menu who requested it
 176   while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
 177     menu_t* m = vf->priv->current;
 178     vf->priv->current = m->parent ? m->parent :  vf->priv->root;
 179     menu_close(m);
 180   }
 181
 182   // Step 1 : save the picture
 183   while(go2pause == 1) {
 184     static char delay = 0; // Hack : wait the 2 frame to be sure to show the right picture
 185     delay ^= 1; // after a seek
 186     if(!delay) break;
 187
 188     if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
 189                      mpi->imgfmt != pause_mpi->imgfmt)) {
 190       free_mp_image(pause_mpi);
 191       pause_mpi = NULL;
 192     }
 193     if(!pause_mpi)
 194       pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
 195     copy_mpi(pause_mpi,mpi);
 196     mp_input_queue_cmd(mp_input_parse_cmd("pause"));
 197     go2pause = 2;
 198     break;
 199   }
 200
 201   // Grab // Ungrab the keys
 202   if(!mp_input_key_cb && vf->priv->current->show)
 203     mp_input_key_cb = key_cb;
 204   if(mp_input_key_cb && !vf->priv->current->show)
 205     mp_input_key_cb = NULL;
 206
 207   if(mpi->flags&MP_IMGFLAG_DIRECT)
 208     dmpi = mpi->priv;
 209   else {
 210     dmpi = vf_get_image(vf->next,mpi->imgfmt,
 211                         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 212                         mpi->w,mpi->h);
 213     copy_mpi(dmpi,mpi);
 214   }
 215   menu_draw(vf->priv->current,dmpi);
 216
 217   } else {
 218     if(mp_input_key_cb)
 219       mp_input_key_cb = NULL;
 220     dmpi = vf_get_image(vf->next,mpi->imgfmt,
 221                         MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
 222                         mpi->w,mpi->h);
 223
 224     dmpi->stride[0] = mpi->stride[0];
 225     dmpi->stride[1] = mpi->stride[1];
 226     dmpi->stride[2] = mpi->stride[2];
 227     dmpi->planes[0] = mpi->planes[0];
 228     dmpi->planes[1] = mpi->planes[1];
 229     dmpi->planes[2] = mpi->planes[2];
 230     dmpi->priv      = mpi->priv;
 231   }
 232   return vf_next_put_image(vf,dmpi);
 233 }
 234
 235 static void uninit(vf_instance_t *vf) {
 236      vf->priv=NULL;
 237      if(pause_mpi) {
 238        free_mp_image(pause_mpi);
 239        pause_mpi = NULL;
 240      }
 241 }
 242
 243 static int config(struct vf_instance_s* vf, int width, int height, int d_width, int d_height,
 244                   unsigned int flags, unsigned int outfmt) {
 245 #ifdef HAVE_FREETYPE
 246   // here is the right place to get screen dimensions
 247   if (force_load_font) {
 248     force_load_font = 0;
 249     load_font_ft(width,height);
 250   }
 251 #endif
 252   return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 253 }
 254 static int open(vf_instance_t *vf, char* args){
 255   if(!st_priv) {
 256     st_priv = calloc(1,sizeof(struct vf_priv_s));
 257     st_priv->root = st_priv->current = menu_open(args);
 258     if(!st_priv->current) {
 259       free(st_priv);
 260       st_priv = NULL;
 261       return 0;
 262     }
 263     mp_input_add_cmd_filter((mp_input_cmd_filter)cmd_filter,st_priv);
 264   }
 265
 266   vf->config = config;
 267   vf->put_image = put_image;
 268   vf->get_image = get_image;
 269   vf->uninit=uninit;
 270   vf->priv=st_priv;
 271   go2pause=0;
 272
 273   return 1;
 274 }
 275
 276
 277 vf_info_t vf_info_menu  = {
 278   "Internal filter for libmenu",
 279   "menu",
 280   "Albeu",
 281   "",
 282   open,
 283   NULL
 284 };
 285
 286
 287