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   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,"hide") == 0 || strcmp(arg,"toggle") == 0)
  77       priv->current->show = 0;
  78     else
  79       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_UnknownMenuCommand,arg);
  80     return 1;
  81   }
  82   case MP_CMD_SET_MENU : {
  83     char* menu = cmd->args[0].v.s;
  84     menu_t* l = priv->current;
  85     priv->current = menu_open(menu);
  86     if(!priv->current) {
  87       mp_msg(MSGT_GLOBAL,MSGL_WARN,MSGTR_LIBMENU_FailedToOpenMenu,menu);
  88       priv->current = l;
  89       priv->current->show = 0;
  90     } else {
  91       priv->current->show = 1;
  92       priv->current->parent = l;
  93     }
  94     return 1;
  95   }
  96   }
  97   return 0;
  98 }
  99
 100 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
 101   mp_image_t *dmpi;
 102
 103   if(mpi->type == MP_IMGTYPE_TEMP && (!(mpi->flags&MP_IMGFLAG_PRESERVE)) ) {
 104     dmpi = vf_get_image(vf->next,mpi->imgfmt,mpi->type, mpi->flags, mpi->w, mpi->h);
 105     memcpy(mpi->planes,dmpi->planes,MP_MAX_PLANES*sizeof(unsigned char*));
 106     memcpy(mpi->stride,dmpi->stride,MP_MAX_PLANES*sizeof(unsigned int));
 107     mpi->flags|=MP_IMGFLAG_DIRECT;
 108     mpi->priv=(void*)dmpi;
 109     return;
 110   }
 111 }
 112
 113 static void key_cb(int code) {
 114   menu_read_key(st_priv->current,code);
 115 }
 116
 117 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
 118   mp_image_t *dmpi = NULL;
 119
 120   if (vf->priv->passthrough) {
 121     dmpi=vf_get_image(vf->next, IMGFMT_MPEGPES, MP_IMGTYPE_EXPORT,
 122                       0, mpi->w, mpi->h);
 123     dmpi->planes[0]=mpi->planes[0];
 124     return vf_next_put_image(vf,dmpi, pts);
 125   }
 126
 127   // Close all menu who requested it
 128   while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
 129     menu_t* m = vf->priv->current;
 130     vf->priv->current = m->parent ? m->parent :  vf->priv->root;
 131     menu_close(m);
 132   }
 133
 134     // Try to capture the last frame before pause, or fallback to use
 135     // last captured frame.
 136     if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
 137                      mpi->imgfmt != pause_mpi->imgfmt)) {
 138       free_mp_image(pause_mpi);
 139       pause_mpi = NULL;
 140     }
 141   if (!pause_mpi) {
 142     pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
 143     copy_mpi(pause_mpi,mpi);
 144   }
 145   else if (mpctx_get_osd_function(vf->priv->root->ctx) == OSD_PAUSE)
 146     copy_mpi(pause_mpi,mpi);
 147
 148   if (vf->priv->current->show) {
 149     if (!mp_input_key_cb)
 150       mp_input_key_cb = key_cb;
 151
 152   if(mpi->flags&MP_IMGFLAG_DIRECT)
 153     dmpi = mpi->priv;
 154   else {
 155     dmpi = vf_get_image(vf->next,mpi->imgfmt,
 156                         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 157                         mpi->w,mpi->h);
 158     copy_mpi(dmpi,mpi);
 159   }
 160   menu_draw(vf->priv->current,dmpi);
 161
 162   } else {
 163     if(mp_input_key_cb)
 164       mp_input_key_cb = NULL;
 165
 166     if(mpi->flags&MP_IMGFLAG_DIRECT)
 167       dmpi = mpi->priv;
 168     else {
 169       dmpi = vf_get_image(vf->next,mpi->imgfmt,
 170                           MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
 171                           mpi->w,mpi->h);
 172
 173       dmpi->stride[0] = mpi->stride[0];
 174       dmpi->stride[1] = mpi->stride[1];
 175       dmpi->stride[2] = mpi->stride[2];
 176       dmpi->planes[0] = mpi->planes[0];
 177       dmpi->planes[1] = mpi->planes[1];
 178       dmpi->planes[2] = mpi->planes[2];
 179       dmpi->priv      = mpi->priv;
 180     }
 181   }
 182   return vf_next_put_image(vf,dmpi, pts);
 183 }
 184
 185 static void uninit(vf_instance_t *vf) {
 186      vf->priv=NULL;
 187      if(pause_mpi) {
 188        free_mp_image(pause_mpi);
 189        pause_mpi = NULL;
 190      }
 191 }
 192
 193 static int config(struct vf_instance_s* vf, int width, int height, int d_width, int d_height,
 194                   unsigned int flags, unsigned int outfmt) {
 195 #ifdef HAVE_FREETYPE
 196   // here is the right place to get screen dimensions
 197   if (force_load_font) {
 198     force_load_font = 0;
 199     load_font_ft(width,height,&vo_font,font_name);
 200   }
 201 #endif
 202   if(outfmt == IMGFMT_MPEGPES)
 203     vf->priv->passthrough = 1;
 204   return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 205 }
 206
 207 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 208   return (vf_next_query_format(vf,fmt));
 209 }
 210
 211 static int open_vf(vf_instance_t *vf, char* args){
 212   if(!st_priv) {
 213     st_priv = calloc(1,sizeof(struct vf_priv_s));
 214     st_priv->root = st_priv->current = menu_open(args);
 215     if(!st_priv->current) {
 216       free(st_priv);
 217       st_priv = NULL;
 218       return 0;
 219     }
 220     st_priv->root->show = menu_startup;
 221     mp_input_add_cmd_filter((mp_input_cmd_filter)cmd_filter,st_priv);
 222   }
 223
 224   vf->config = config;
 225   vf->query_format=query_format;
 226   vf->put_image = put_image;
 227   vf->get_image = get_image;
 228   vf->uninit=uninit;
 229   vf->priv=st_priv;
 230   go2pause=0;
 231
 232   return 1;
 233 }
 234
 235
 236 vf_info_t vf_info_menu  = {
 237   "Internal filter for libmenu",
 238   "menu",
 239   "Albeu",
 240   "",
 241   open_vf,
 242   NULL
 243 };
 244
 245
 246