libmenu/menu_chapsel.c

   1 /*
   2  * Support chapter list and selection.
   3  *
   4  * Copyright (C) 2006-2007 Benjamin Zores <ben A geexbox P org>
   5  * Copyright (C) 2007 Ulion <ulion A gmail P com>
   6  *
   7  * This file is part of MPlayer.
   8  *
   9  * MPlayer is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * MPlayer is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27
  28 #include "config.h"
  29
  30 #include "m_struct.h"
  31 #include "m_option.h"
  32 #include "input/input.h"
  33
  34 #include "stream/stream.h"
  35 #include "libmpdemux/demuxer.h"
  36 #include "access_mpcontext.h"
  37
  38 #include "libmpcodecs/mp_image.h"
  39
  40 #include "menu.h"
  41 #include "menu_list.h"
  42
  43 struct list_entry_s {
  44   struct list_entry p;
  45   int cid;
  46 };
  47
  48 struct menu_priv_s {
  49   menu_list_priv_t p;
  50   char* title;
  51   int auto_close;
  52   char* fmt_with_time;
  53 };
  54
  55 static struct menu_priv_s cfg_dflt = {
  56   MENU_LIST_PRIV_DFLT,
  57   "Select chapter",
  58   0,
  59   "${chapter_name}  [${start}]"
  60 };
  61
  62 #define ST_OFF(m) M_ST_OFF(struct menu_priv_s,m)
  63
  64 static const m_option_t cfg_fields[] = {
  65   MENU_LIST_PRIV_FIELDS,
  66   { "title", ST_OFF (title),  CONF_TYPE_STRING, 0, 0, 0, NULL },
  67   { "auto-close", ST_OFF (auto_close), CONF_TYPE_FLAG, 0, 0, 1, NULL },
  68   { "fmt-with-time", ST_OFF (fmt_with_time),  CONF_TYPE_STRING, 0, 0, 0, NULL },
  69   { NULL, NULL, NULL, 0, 0, 0, NULL }
  70 };
  71
  72 static char *fmt_replace(const char *fmt, const char *chapter_name,
  73                          const char *start) {
  74     static const char ctag[] = "${chapter_name}";
  75     static const char stag[] = "${start}";
  76     int l = strlen(fmt);
  77     int cl = strlen(chapter_name);
  78     int sl = strlen(start);
  79     char *str = malloc(l + cl + sl);
  80     char *p;
  81     strcpy(str, fmt);
  82     p = strstr(str, ctag);
  83     if (p) {
  84         memmove(p+cl, p+sizeof(ctag)-1, str+l+1 - (p+sizeof(ctag)-1));
  85         memcpy(p, chapter_name, cl);
  86         l -= sizeof(ctag) + 1;
  87         l += cl;
  88     }
  89     p = strstr(str, stag);
  90     if (p) {
  91         memmove(p+sl, p+sizeof(stag)-1, str+l+1 - (p+sizeof(stag)-1));
  92         memcpy(p, start, sl);
  93         l -= sizeof(stag) + 1;
  94         l += sl;
  95     }
  96     return str;
  97 }
  98
  99 static int fill_menu (menu_t* menu)
 100 {
 101   list_entry_t* e;
 102   int cid, chapter_num = 0;
 103   int start_time;
 104   demuxer_t* demuxer = mpctx_get_demuxer(menu->ctx);
 105
 106   if (demuxer)
 107     chapter_num = demuxer_chapter_count(demuxer);
 108   if (chapter_num > 0) {
 109     menu_list_init (menu);
 110     for (cid = 0; cid < chapter_num; ++cid)
 111       if ((e = calloc (1, sizeof (list_entry_t))) != NULL) {
 112         e->cid = cid + 1;
 113         e->p.next = NULL;
 114         e->p.txt = demuxer_chapter_display_name(demuxer, cid);
 115         start_time = demuxer_chapter_time(demuxer, cid, NULL);
 116         if (start_time >= 0) {
 117             char timestr[13];
 118             char *tmp;
 119             int hour = start_time / 3600;
 120             int minute = (start_time / 60) % 60;
 121             int seconds = start_time % 60;
 122             sprintf(timestr,"%02d:%02d:%02d", hour, minute, seconds);
 123
 124             tmp = fmt_replace(menu->priv->fmt_with_time, e->p.txt, timestr);
 125             free(e->p.txt);
 126             e->p.txt = tmp;
 127         }
 128         menu_list_add_entry(menu, e);
 129       }
 130   }
 131   else
 132     menu_list_read_cmd(menu, MENU_CMD_CANCEL);
 133
 134   return 1;
 135 }
 136
 137 static void read_cmd (menu_t* menu, int cmd)
 138 {
 139   switch (cmd) {
 140     case MENU_CMD_RIGHT:
 141     case MENU_CMD_OK: {
 142       char cmdbuf[26];
 143       sprintf(cmdbuf, "seek_chapter %d 1", menu->priv->p.current->cid);
 144       mp_input_queue_cmd(menu->input_ctx, mp_input_parse_cmd(cmdbuf));
 145       if (menu->priv->auto_close)
 146           mp_input_queue_cmd(menu->input_ctx, mp_input_parse_cmd("menu hide"));
 147       break;
 148     }
 149     default:
 150       menu_list_read_cmd (menu, cmd);
 151   }
 152 }
 153
 154 static void close_cs (menu_t* menu)
 155 {
 156   menu_list_uninit (menu, NULL);
 157 }
 158
 159 static int open_cs (menu_t* menu, char* args)
 160 {
 161   args = NULL;
 162
 163   menu->draw = menu_list_draw;
 164   menu->read_cmd = read_cmd;
 165   menu->close = close_cs;
 166   menu->priv->p.title = menu->priv->title;
 167
 168   return fill_menu (menu);
 169 }
 170
 171 const menu_info_t menu_info_chapsel = {
 172   "Chapter selector menu",
 173   "chapsel",
 174   "Benjamin Zores & Ulion",
 175   "",
 176   {
 177     "chapsel_cfg",
 178     sizeof(struct menu_priv_s),
 179     &cfg_dflt,
 180     cfg_fields
 181   },
 182   open_cs
 183 };