libmenu/vf_menu.c

   1
   2 #include "config.h"
   3 #include "mp_msg.h"
   4 #include "help_mp.h"
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9
  10 #ifdef HAVE_MALLOC_H
  11 #include <malloc.h>
  12 #endif
  13
  14 #include "mplayer.h"
  15 #include "mp_msg.h"
  16
  17 #include "libmpcodecs/img_format.h"
  18 #include "libmpcodecs/mp_image.h"
  19 #include "libmpcodecs/vf.h"
  20
  21 #include "libvo/fastmemcpy.h"
  22 #include "libvo/video_out.h"
  23 #include "libvo/font_load.h"
  24 #include "input/input.h"
  25 #include "m_struct.h"
  26 #include "menu.h"
  27 #include "access_mpcontext.h"
  28
  29
  30 static struct vf_priv_s* st_priv = NULL;
  31
  32 static mp_image_t* pause_mpi = NULL;
  33 static int go2pause = 0;
  34 /// if nonzero display menu at startup
  35 int attribute_used menu_startup = 0;
  36
  37 struct vf_priv_s {
  38   menu_t* root;
  39   menu_t* current;
  40   int passthrough;
  41 };
  42
  43 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts);
  44
  45 static mp_image_t* alloc_mpi(int w, int h, uint32_t fmt) {
  46   mp_image_t* mpi = new_mp_image(w,h);
  47
  48   mp_image_setfmt(mpi,fmt);
  49   // IF09 - allocate space for 4. plane delta info - unused
  50   if (mpi->imgfmt == IMGFMT_IF09)
  51     {
  52       mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8+
  53                               mpi->chroma_width*mpi->chroma_height);
  54       /* delta table, just for fun ;) */
  55       mpi->planes[3]=mpi->planes[0]+2*(mpi->chroma_width*mpi->chroma_height);
  56     }
  57   else
  58     mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8);
  59   if(mpi->flags&MP_IMGFLAG_PLANAR){
  60     // YV12/I420/YVU9/IF09. feel free to add other planar formats here...
  61     if(!mpi->stride[0]) mpi->stride[0]=mpi->width;
  62     if(!mpi->stride[1]) mpi->stride[1]=mpi->stride[2]=mpi->chroma_width;
  63     if(mpi->flags&MP_IMGFLAG_SWAPPED){
  64       // I420/IYUV  (Y,U,V)
  65       mpi->planes[1]=mpi->planes[0]+mpi->width*mpi->height;
  66       mpi->planes[2]=mpi->planes[1]+mpi->chroma_width*mpi->chroma_height;
  67     } else {
  68       // YV12,YVU9,IF09  (Y,V,U)
  69       mpi->planes[2]=mpi->planes[0]+mpi->width*mpi->height;
  70       mpi->planes[1]=mpi->planes[2]+mpi->chroma_width*mpi->chroma_height;
  71     }
  72   } else {
  73     if(!mpi->stride[0]) mpi->stride[0]=mpi->width*mpi->bpp/8;
  74   }
  75   mpi->flags|=MP_IMGFLAG_ALLOCATED;
  76
  77   return mpi;
  78 }
  79
  80 void vf_menu_pause_update(struct vf_instance_s* vf) {
  81   vo_functions_t *video_out = mpctx_get_video_out(vf->priv->current->ctx);
  82   if(pause_mpi) {
  83     put_image(vf,pause_mpi, MP_NOPTS_VALUE);
  84     // Don't draw the osd atm
  85     //vf->control(vf,VFCTRL_DRAW_OSD,NULL);
  86     video_out->flip_page();
  87   }
  88 }
  89
  90 static int cmd_filter(mp_cmd_t* cmd, int paused, struct vf_priv_s * priv) {
  91
  92   switch(cmd->id) {
  93   case MP_CMD_PAUSE :
  94 #if 0 // http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2003-March/017286.html
  95     if(!paused && !go2pause) { // Initial pause cmd -> wait the next put_image
  96       go2pause = 1;
  97       return 1;
  98     }
  99 #endif
 100     if(go2pause == 2) // Msg resent by put_image after saving the image
 101       go2pause = 0;
 102     break;
 103   case MP_CMD_MENU : {  // Convert txt cmd from the users into libmenu stuff
 104     char* arg = cmd->args[0].v.s;
 105
 106     if(!priv->current->show && !(strcmp(arg,"hide") == 0) )
 107       priv->current->show = 1;
 108     else if(strcmp(arg,"up") == 0)
 109       menu_read_cmd(priv->current,MENU_CMD_UP);
 110     else if(strcmp(arg,"down") == 0)
 111       menu_read_cmd(priv->current,MENU_CMD_DOWN);
 112     else if(strcmp(arg,"left") == 0)
 113       menu_read_cmd(priv->current,MENU_CMD_LEFT);
 114     else if(strcmp(arg,"right") == 0)
 115       menu_read_cmd(priv->current,MENU_CMD_RIGHT);
 116     else if(strcmp(arg,"ok") == 0)
 117       menu_read_cmd(priv->current,MENU_CMD_OK);
 118     else if(strcmp(arg,"cancel") == 0)
 119       menu_read_cmd(priv->current,MENU_CMD_CANCEL);
 120     else if(strcmp(arg,"hide") == 0 || strcmp(arg,"toggle") == 0)
 121       priv->current->show = 0;
 122     else
 123       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_UnknownMenuCommand,arg);
 124     return 1;
 125   }
 126   case MP_CMD_SET_MENU : {
 127     char* menu = cmd->args[0].v.s;
 128     menu_t* l = priv->current;
 129     priv->current = menu_open(menu);
 130     if(!priv->current) {
 131       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_FailedToOpenMenu,menu);
 132       priv->current = l;
 133       priv->current->show = 0;
 134     } else {
 135       priv->current->show = 1;
 136       priv->current->parent = l;
 137     }
 138     return 1;
 139   }
 140   }
 141   return 0;
 142 }
 143
 144 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
 145   mp_image_t *dmpi;
 146
 147   if(mpi->type == MP_IMGTYPE_TEMP && (!(mpi->flags&MP_IMGFLAG_PRESERVE)) ) {
 148     dmpi = vf_get_image(vf->next,mpi->imgfmt,mpi->type, mpi->flags, mpi->w, mpi->h);
 149     memcpy(mpi->planes,dmpi->planes,MP_MAX_PLANES*sizeof(unsigned char*));
 150     memcpy(mpi->stride,dmpi->stride,MP_MAX_PLANES*sizeof(unsigned int));
 151     mpi->flags|=MP_IMGFLAG_DIRECT;
 152     mpi->priv=(void*)dmpi;
 153     return;
 154   }
 155 }
 156
 157 static void key_cb(int code) {
 158   menu_read_key(st_priv->current,code);
 159 }
 160
 161
 162
 163 inline static void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
 164   if(mpi->flags&MP_IMGFLAG_PLANAR){
 165     memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
 166                dmpi->stride[0],mpi->stride[0]);
 167     memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
 168                dmpi->stride[1],mpi->stride[1]);
 169     memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
 170                dmpi->stride[2],mpi->stride[2]);
 171   } else {
 172     memcpy_pic(dmpi->planes[0],mpi->planes[0],
 173                mpi->w*(dmpi->bpp/8), mpi->h,
 174                dmpi->stride[0],mpi->stride[0]);
 175   }
 176 }
 177
 178
 179
 180 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
 181   mp_image_t *dmpi = NULL;
 182
 183   if (vf->priv->passthrough) {
 184     dmpi=vf_get_image(vf->next, IMGFMT_MPEGPES, MP_IMGTYPE_EXPORT,
 185                       0, mpi->w, mpi->h);
 186     dmpi->planes[0]=mpi->planes[0];
 187     return vf_next_put_image(vf,dmpi, pts);
 188   }
 189
 190   if(vf->priv->current->show
 191   || (vf->priv->current->parent && vf->priv->current->parent->show)) {
 192   // Close all menu who requested it
 193   while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
 194     menu_t* m = vf->priv->current;
 195     vf->priv->current = m->parent ? m->parent :  vf->priv->root;
 196     menu_close(m);
 197   }
 198
 199   // Step 1 : save the picture
 200   while(go2pause == 1) {
 201     static char delay = 0; // Hack : wait the 2 frame to be sure to show the right picture
 202     delay ^= 1; // after a seek
 203     if(!delay) break;
 204
 205     if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
 206                      mpi->imgfmt != pause_mpi->imgfmt)) {
 207       free_mp_image(pause_mpi);
 208       pause_mpi = NULL;
 209     }
 210     if(!pause_mpi)
 211       pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
 212     copy_mpi(pause_mpi,mpi);
 213     mp_input_queue_cmd(mp_input_parse_cmd("pause"));
 214     go2pause = 2;
 215     break;
 216   }
 217
 218   // Grab // Ungrab the keys
 219   if(!mp_input_key_cb && vf->priv->current->show)
 220     mp_input_key_cb = key_cb;
 221   if(mp_input_key_cb && !vf->priv->current->show)
 222     mp_input_key_cb = NULL;
 223
 224   if(mpi->flags&MP_IMGFLAG_DIRECT)
 225     dmpi = mpi->priv;
 226   else {
 227     dmpi = vf_get_image(vf->next,mpi->imgfmt,
 228                         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 229                         mpi->w,mpi->h);
 230     copy_mpi(dmpi,mpi);
 231   }
 232   menu_draw(vf->priv->current,dmpi);
 233
 234   } else {
 235     if(mp_input_key_cb)
 236       mp_input_key_cb = NULL;
 237
 238     if(mpi->flags&MP_IMGFLAG_DIRECT)
 239       dmpi = mpi->priv;
 240     else {
 241       dmpi = vf_get_image(vf->next,mpi->imgfmt,
 242                           MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
 243                           mpi->w,mpi->h);
 244
 245       dmpi->stride[0] = mpi->stride[0];
 246       dmpi->stride[1] = mpi->stride[1];
 247       dmpi->stride[2] = mpi->stride[2];
 248       dmpi->planes[0] = mpi->planes[0];
 249       dmpi->planes[1] = mpi->planes[1];
 250       dmpi->planes[2] = mpi->planes[2];
 251       dmpi->priv      = mpi->priv;
 252     }
 253   }
 254   return vf_next_put_image(vf,dmpi, pts);
 255 }
 256
 257 static void uninit(vf_instance_t *vf) {
 258      vf->priv=NULL;
 259      if(pause_mpi) {
 260        free_mp_image(pause_mpi);
 261        pause_mpi = NULL;
 262      }
 263 }
 264
 265 static int config(struct vf_instance_s* vf, int width, int height, int d_width, int d_height,
 266                   unsigned int flags, unsigned int outfmt) {
 267 #ifdef HAVE_FREETYPE
 268   // here is the right place to get screen dimensions
 269   if (force_load_font) {
 270     force_load_font = 0;
 271     load_font_ft(width,height,&vo_font,font_name);
 272   }
 273 #endif
 274   if(outfmt == IMGFMT_MPEGPES)
 275     vf->priv->passthrough = 1;
 276   return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 277 }
 278
 279 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 280   return (vf_next_query_format(vf,fmt));
 281 }
 282
 283 static int open_vf(vf_instance_t *vf, char* args){
 284   if(!st_priv) {
 285     st_priv = calloc(1,sizeof(struct vf_priv_s));
 286     st_priv->root = st_priv->current = menu_open(args);
 287     if(!st_priv->current) {
 288       free(st_priv);
 289       st_priv = NULL;
 290       return 0;
 291     }
 292     st_priv->root->show = menu_startup;
 293     mp_input_add_cmd_filter((mp_input_cmd_filter)cmd_filter,st_priv);
 294   }
 295
 296   vf->config = config;
 297   vf->query_format=query_format;
 298   vf->put_image = put_image;
 299   vf->get_image = get_image;
 300   vf->uninit=uninit;
 301   vf->priv=st_priv;
 302   go2pause=0;
 303
 304   return 1;
 305 }
 306
 307
 308 vf_info_t vf_info_menu  = {
 309   "Internal filter for libmenu",
 310   "menu",
 311   "Albeu",
 312   "",
 313   open_vf,
 314   NULL
 315 };
 316
 317
 318