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 void vf_menu_pause_update(struct vf_instance_s* vf) {
  46   vo_functions_t *video_out = mpctx_get_video_out(vf->priv->current->ctx);
  47   if(pause_mpi) {
  48     put_image(vf,pause_mpi, MP_NOPTS_VALUE);
  49     // Don't draw the osd atm
  50     //vf->control(vf,VFCTRL_DRAW_OSD,NULL);
  51     video_out->flip_page();
  52   }
  53 }
  54
  55 static int cmd_filter(mp_cmd_t* cmd, int paused, struct vf_priv_s * priv) {
  56
  57   switch(cmd->id) {
  58   case MP_CMD_PAUSE :
  59 #if 0 // http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2003-March/017286.html
  60     if(!paused && !go2pause) { // Initial pause cmd -> wait the next put_image
  61       go2pause = 1;
  62       return 1;
  63     }
  64 #endif
  65     if(go2pause == 2) // Msg resent by put_image after saving the image
  66       go2pause = 0;
  67     break;
  68   case MP_CMD_MENU : {  // Convert txt cmd from the users into libmenu stuff
  69     char* arg = cmd->args[0].v.s;
  70
  71     if(!priv->current->show && !(strcmp(arg,"hide") == 0) )
  72       priv->current->show = 1;
  73     else if(strcmp(arg,"up") == 0)
  74       menu_read_cmd(priv->current,MENU_CMD_UP);
  75     else if(strcmp(arg,"down") == 0)
  76       menu_read_cmd(priv->current,MENU_CMD_DOWN);
  77     else if(strcmp(arg,"left") == 0)
  78       menu_read_cmd(priv->current,MENU_CMD_LEFT);
  79     else if(strcmp(arg,"right") == 0)
  80       menu_read_cmd(priv->current,MENU_CMD_RIGHT);
  81     else if(strcmp(arg,"ok") == 0)
  82       menu_read_cmd(priv->current,MENU_CMD_OK);
  83     else if(strcmp(arg,"cancel") == 0)
  84       menu_read_cmd(priv->current,MENU_CMD_CANCEL);
  85     else if(strcmp(arg,"hide") == 0 || strcmp(arg,"toggle") == 0)
  86       priv->current->show = 0;
  87     else
  88       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_UnknownMenuCommand,arg);
  89     return 1;
  90   }
  91   case MP_CMD_SET_MENU : {
  92     char* menu = cmd->args[0].v.s;
  93     menu_t* l = priv->current;
  94     priv->current = menu_open(menu);
  95     if(!priv->current) {
  96       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_FailedToOpenMenu,menu);
  97       priv->current = l;
  98       priv->current->show = 0;
  99     } else {
 100       priv->current->show = 1;
 101       priv->current->parent = l;
 102     }
 103     return 1;
 104   }
 105   }
 106   return 0;
 107 }
 108
 109 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
 110   mp_image_t *dmpi;
 111
 112   if(mpi->type == MP_IMGTYPE_TEMP && (!(mpi->flags&MP_IMGFLAG_PRESERVE)) ) {
 113     dmpi = vf_get_image(vf->next,mpi->imgfmt,mpi->type, mpi->flags, mpi->w, mpi->h);
 114     memcpy(mpi->planes,dmpi->planes,MP_MAX_PLANES*sizeof(unsigned char*));
 115     memcpy(mpi->stride,dmpi->stride,MP_MAX_PLANES*sizeof(unsigned int));
 116     mpi->flags|=MP_IMGFLAG_DIRECT;
 117     mpi->priv=(void*)dmpi;
 118     return;
 119   }
 120 }
 121
 122 static void key_cb(int code) {
 123   menu_read_key(st_priv->current,code);
 124 }
 125
 126 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
 127   mp_image_t *dmpi = NULL;
 128
 129   if (vf->priv->passthrough) {
 130     dmpi=vf_get_image(vf->next, IMGFMT_MPEGPES, MP_IMGTYPE_EXPORT,
 131                       0, mpi->w, mpi->h);
 132     dmpi->planes[0]=mpi->planes[0];
 133     return vf_next_put_image(vf,dmpi, pts);
 134   }
 135
 136   if(vf->priv->current->show
 137   || (vf->priv->current->parent && vf->priv->current->parent->show)) {
 138   // Close all menu who requested it
 139   while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
 140     menu_t* m = vf->priv->current;
 141     vf->priv->current = m->parent ? m->parent :  vf->priv->root;
 142     menu_close(m);
 143   }
 144
 145   // Step 1 : save the picture
 146   while(go2pause == 1) {
 147     static char delay = 0; // Hack : wait the 2 frame to be sure to show the right picture
 148     delay ^= 1; // after a seek
 149     if(!delay) break;
 150
 151     if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
 152                      mpi->imgfmt != pause_mpi->imgfmt)) {
 153       free_mp_image(pause_mpi);
 154       pause_mpi = NULL;
 155     }
 156     if(!pause_mpi)
 157       pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
 158     copy_mpi(pause_mpi,mpi);
 159     mp_input_queue_cmd(mp_input_parse_cmd("pause"));
 160     go2pause = 2;
 161     break;
 162   }
 163
 164   // Grab // Ungrab the keys
 165   if(!mp_input_key_cb && vf->priv->current->show)
 166     mp_input_key_cb = key_cb;
 167   if(mp_input_key_cb && !vf->priv->current->show)
 168     mp_input_key_cb = NULL;
 169
 170   if(mpi->flags&MP_IMGFLAG_DIRECT)
 171     dmpi = mpi->priv;
 172   else {
 173     dmpi = vf_get_image(vf->next,mpi->imgfmt,
 174                         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 175                         mpi->w,mpi->h);
 176     copy_mpi(dmpi,mpi);
 177   }
 178   menu_draw(vf->priv->current,dmpi);
 179
 180   } else {
 181     if(mp_input_key_cb)
 182       mp_input_key_cb = NULL;
 183
 184     if(mpi->flags&MP_IMGFLAG_DIRECT)
 185       dmpi = mpi->priv;
 186     else {
 187       dmpi = vf_get_image(vf->next,mpi->imgfmt,
 188                           MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
 189                           mpi->w,mpi->h);
 190
 191       dmpi->stride[0] = mpi->stride[0];
 192       dmpi->stride[1] = mpi->stride[1];
 193       dmpi->stride[2] = mpi->stride[2];
 194       dmpi->planes[0] = mpi->planes[0];
 195       dmpi->planes[1] = mpi->planes[1];
 196       dmpi->planes[2] = mpi->planes[2];
 197       dmpi->priv      = mpi->priv;
 198     }
 199   }
 200   return vf_next_put_image(vf,dmpi, pts);
 201 }
 202
 203 static void uninit(vf_instance_t *vf) {
 204      vf->priv=NULL;
 205      if(pause_mpi) {
 206        free_mp_image(pause_mpi);
 207        pause_mpi = NULL;
 208      }
 209 }
 210
 211 static int config(struct vf_instance_s* vf, int width, int height, int d_width, int d_height,
 212                   unsigned int flags, unsigned int outfmt) {
 213 #ifdef HAVE_FREETYPE
 214   // here is the right place to get screen dimensions
 215   if (force_load_font) {
 216     force_load_font = 0;
 217     load_font_ft(width,height,&vo_font,font_name);
 218   }
 219 #endif
 220   if(outfmt == IMGFMT_MPEGPES)
 221     vf->priv->passthrough = 1;
 222   return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 223 }
 224
 225 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 226   return (vf_next_query_format(vf,fmt));
 227 }
 228
 229 static int open_vf(vf_instance_t *vf, char* args){
 230   if(!st_priv) {
 231     st_priv = calloc(1,sizeof(struct vf_priv_s));
 232     st_priv->root = st_priv->current = menu_open(args);
 233     if(!st_priv->current) {
 234       free(st_priv);
 235       st_priv = NULL;
 236       return 0;
 237     }
 238     st_priv->root->show = menu_startup;
 239     mp_input_add_cmd_filter((mp_input_cmd_filter)cmd_filter,st_priv);
 240   }
 241
 242   vf->config = config;
 243   vf->query_format=query_format;
 244   vf->put_image = put_image;
 245   vf->get_image = get_image;
 246   vf->uninit=uninit;
 247   vf->priv=st_priv;
 248   go2pause=0;
 249
 250   return 1;
 251 }
 252
 253
 254 vf_info_t vf_info_menu  = {
 255   "Internal filter for libmenu",
 256   "menu",
 257   "Albeu",
 258   "",
 259   open_vf,
 260   NULL
 261 };
 262
 263
 264