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 "libvo/sub.h"
  25 #include "input/input.h"
  26 #include "m_struct.h"
  27 #include "menu.h"
  28 #include "access_mpcontext.h"
  29
  30
  31 static struct vf_priv_s* st_priv = NULL;
  32
  33 static mp_image_t* pause_mpi = NULL;
  34 static int go2pause = 0;
  35 /// if nonzero display menu at startup
  36 int attribute_used menu_startup = 0;
  37
  38 struct vf_priv_s {
  39   menu_t* root;
  40   menu_t* current;
  41   int passthrough;
  42 };
  43
  44 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts);
  45
  46 void vf_menu_pause_update(struct vf_instance_s* vf) {
  47   const vo_functions_t *video_out = mpctx_get_video_out(vf->priv->current->ctx);
  48   if(pause_mpi) {
  49     put_image(vf,pause_mpi, MP_NOPTS_VALUE);
  50     // Don't draw the osd atm
  51     //vf->control(vf,VFCTRL_DRAW_OSD,NULL);
  52     video_out->flip_page();
  53   }
  54 }
  55
  56 static int cmd_filter(mp_cmd_t* cmd, int paused, struct vf_priv_s * priv) {
  57
  58   switch(cmd->id) {
  59   case MP_CMD_MENU : {  // Convert txt cmd from the users into libmenu stuff
  60     char* arg = cmd->args[0].v.s;
  61
  62     if(!priv->current->show && !(strcmp(arg,"hide") == 0) )
  63       priv->current->show = 1;
  64     else if(strcmp(arg,"up") == 0)
  65       menu_read_cmd(priv->current,MENU_CMD_UP);
  66     else if(strcmp(arg,"down") == 0)
  67       menu_read_cmd(priv->current,MENU_CMD_DOWN);
  68     else if(strcmp(arg,"left") == 0)
  69       menu_read_cmd(priv->current,MENU_CMD_LEFT);
  70     else if(strcmp(arg,"right") == 0)
  71       menu_read_cmd(priv->current,MENU_CMD_RIGHT);
  72     else if(strcmp(arg,"ok") == 0)
  73       menu_read_cmd(priv->current,MENU_CMD_OK);
  74     else if(strcmp(arg,"cancel") == 0)
  75       menu_read_cmd(priv->current,MENU_CMD_CANCEL);
  76     else if(strcmp(arg,"home") == 0)
  77       menu_read_cmd(priv->current,MENU_CMD_HOME);
  78     else if(strcmp(arg,"end") == 0)
  79       menu_read_cmd(priv->current,MENU_CMD_END);
  80     else if(strcmp(arg,"pageup") == 0)
  81       menu_read_cmd(priv->current,MENU_CMD_PAGE_UP);
  82     else if(strcmp(arg,"pagedown") == 0)
  83       menu_read_cmd(priv->current,MENU_CMD_PAGE_DOWN);
  84     else if(strcmp(arg,"hide") == 0 || strcmp(arg,"toggle") == 0)
  85       priv->current->show = 0;
  86     else
  87       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_UnknownMenuCommand,arg);
  88     return 1;
  89   }
  90   case MP_CMD_SET_MENU : {
  91     char* menu = cmd->args[0].v.s;
  92     menu_t* l = priv->current;
  93     priv->current = menu_open(menu);
  94     if(!priv->current) {
  95       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_FailedToOpenMenu,menu);
  96       priv->current = l;
  97       priv->current->show = 0;
  98     } else {
  99       priv->current->show = 1;
 100       priv->current->parent = l;
 101     }
 102     return 1;
 103   }
 104   }
 105   return 0;
 106 }
 107
 108 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
 109   mp_image_t *dmpi;
 110
 111   if(mpi->type == MP_IMGTYPE_TEMP && (!(mpi->flags&MP_IMGFLAG_PRESERVE)) ) {
 112     dmpi = vf_get_image(vf->next,mpi->imgfmt,mpi->type, mpi->flags, mpi->w, mpi->h);
 113     memcpy(mpi->planes,dmpi->planes,MP_MAX_PLANES*sizeof(unsigned char*));
 114     memcpy(mpi->stride,dmpi->stride,MP_MAX_PLANES*sizeof(unsigned int));
 115     mpi->flags|=MP_IMGFLAG_DIRECT;
 116     mpi->priv=(void*)dmpi;
 117     return;
 118   }
 119 }
 120
 121 static void key_cb(int code) {
 122   menu_read_key(st_priv->current,code);
 123 }
 124
 125 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
 126   mp_image_t *dmpi = NULL;
 127
 128   if (vf->priv->passthrough) {
 129     dmpi=vf_get_image(vf->next, IMGFMT_MPEGPES, MP_IMGTYPE_EXPORT,
 130                       0, mpi->w, mpi->h);
 131     dmpi->planes[0]=mpi->planes[0];
 132     return vf_next_put_image(vf,dmpi, pts);
 133   }
 134
 135   // Close all menu who requested it
 136   while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
 137     menu_t* m = vf->priv->current;
 138     vf->priv->current = m->parent ? m->parent :  vf->priv->root;
 139     menu_close(m);
 140   }
 141
 142     // Try to capture the last frame before pause, or fallback to use
 143     // last captured frame.
 144     if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
 145                      mpi->imgfmt != pause_mpi->imgfmt)) {
 146       free_mp_image(pause_mpi);
 147       pause_mpi = NULL;
 148     }
 149   if (!pause_mpi) {
 150     pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
 151     copy_mpi(pause_mpi,mpi);
 152   }
 153   else if (mpctx_get_osd_function(vf->priv->root->ctx) == OSD_PAUSE)
 154     copy_mpi(pause_mpi,mpi);
 155
 156   if (vf->priv->current->show) {
 157     if (!mp_input_key_cb)
 158       mp_input_key_cb = key_cb;
 159
 160   if(mpi->flags&MP_IMGFLAG_DIRECT)
 161     dmpi = mpi->priv;
 162   else {
 163     dmpi = vf_get_image(vf->next,mpi->imgfmt,
 164                         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 165                         mpi->w,mpi->h);
 166     copy_mpi(dmpi,mpi);
 167   }
 168   menu_draw(vf->priv->current,dmpi);
 169
 170   } else {
 171     if(mp_input_key_cb)
 172       mp_input_key_cb = NULL;
 173
 174     if(mpi->flags&MP_IMGFLAG_DIRECT)
 175       dmpi = mpi->priv;
 176     else {
 177       dmpi = vf_get_image(vf->next,mpi->imgfmt,
 178                           MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
 179                           mpi->w,mpi->h);
 180
 181       dmpi->stride[0] = mpi->stride[0];
 182       dmpi->stride[1] = mpi->stride[1];
 183       dmpi->stride[2] = mpi->stride[2];
 184       dmpi->planes[0] = mpi->planes[0];
 185       dmpi->planes[1] = mpi->planes[1];
 186       dmpi->planes[2] = mpi->planes[2];
 187       dmpi->priv      = mpi->priv;
 188     }
 189   }
 190   return vf_next_put_image(vf,dmpi, pts);
 191 }
 192
 193 static void uninit(vf_instance_t *vf) {
 194      vf->priv=NULL;
 195      if(pause_mpi) {
 196        free_mp_image(pause_mpi);
 197        pause_mpi = NULL;
 198      }
 199 }
 200
 201 static int config(struct vf_instance_s* vf, int width, int height, int d_width, int d_height,
 202                   unsigned int flags, unsigned int outfmt) {
 203 #ifdef HAVE_FREETYPE
 204   // here is the right place to get screen dimensions
 205   if (force_load_font) {
 206     force_load_font = 0;
 207     load_font_ft(width,height,&vo_font,font_name);
 208   }
 209 #endif
 210   if(outfmt == IMGFMT_MPEGPES)
 211     vf->priv->passthrough = 1;
 212   return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 213 }
 214
 215 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 216   return (vf_next_query_format(vf,fmt));
 217 }
 218
 219 static int open_vf(vf_instance_t *vf, char* args){
 220   if(!st_priv) {
 221     st_priv = calloc(1,sizeof(struct vf_priv_s));
 222     st_priv->root = st_priv->current = menu_open(args);
 223     if(!st_priv->current) {
 224       free(st_priv);
 225       st_priv = NULL;
 226       return 0;
 227     }
 228     st_priv->root->show = menu_startup;
 229     mp_input_add_cmd_filter((mp_input_cmd_filter)cmd_filter,st_priv);
 230   }
 231
 232   vf->config = config;
 233   vf->query_format=query_format;
 234   vf->put_image = put_image;
 235   vf->get_image = get_image;
 236   vf->uninit=uninit;
 237   vf->priv=st_priv;
 238   go2pause=0;
 239
 240   return 1;
 241 }
 242
 243
 244 vf_info_t vf_info_menu  = {
 245   "Internal filter for libmenu",
 246   "menu",
 247   "Albeu",
 248   "",
 249   open_vf,
 250   NULL
 251 };
 252
 253
 254