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 "libavutil/attributes.h"
29 
30 #include "config.h"
31 
32 #include "m_struct.h"
33 #include "m_option.h"
34 #include "input/input.h"
35 
36 #include "stream/stream.h"
37 #include "libmpdemux/demuxer.h"
38 #include "access_mpcontext.h"
39 
40 #include "libmpcodecs/mp_image.h"
41 
42 #include "menu.h"
43 #include "menu_list.h"
44 
45 struct list_entry_s {
46   struct list_entry p;
47   int cid;
48 };
49 
50 struct menu_priv_s {
51   menu_list_priv_t p;
52   char* title;
53   int auto_close;
54   char* fmt_with_time;
55 };
56 
57 static const struct menu_priv_s cfg_dflt = {
58   MENU_LIST_PRIV_DFLT,
59   "Select chapter",
60   0,
61   "${chapter_name}  [${start}]"
62 };
63 
64 #define ST_OFF(m) M_ST_OFF(struct menu_priv_s,m)
65 
66 static const m_option_t cfg_fields[] = {
67   MENU_LIST_PRIV_FIELDS,
68   { "title", ST_OFF (title),  CONF_TYPE_STRING, 0, 0, 0, NULL },
69   { "auto-close", ST_OFF (auto_close), CONF_TYPE_FLAG, 0, 0, 1, NULL },
70   { "fmt-with-time", ST_OFF (fmt_with_time),  CONF_TYPE_STRING, 0, 0, 0, NULL },
71   { NULL, NULL, NULL, 0, 0, 0, NULL }
72 };
73 
fmt_replace(const char * fmt,const char * chapter_name,const char * start)74 static char *fmt_replace(const char *fmt, const char *chapter_name,
75                          const char *start) {
76     static const char ctag[] = "${chapter_name}";
77     static const char stag[] = "${start}";
78     int l = strlen(fmt);
79     int cl = strlen(chapter_name);
80     int sl = strlen(start);
81     char *str = malloc(l + cl + sl + 1);
82     char *p;
83     strcpy(str, fmt);
84     p = strstr(str, ctag);
85     if (p) {
86         memmove(p+cl, p+sizeof(ctag)-1, str+l+1 - (p+sizeof(ctag)-1));
87         memcpy(p, chapter_name, cl);
88         l -= sizeof(ctag) + 1;
89         l += cl;
90     }
91     p = strstr(str, stag);
92     if (p) {
93         memmove(p+sl, p+sizeof(stag)-1, str+l+1 - (p+sizeof(stag)-1));
94         memcpy(p, start, sl);
95         l -= sizeof(stag) + 1;
96         l += sl;
97     }
98     return str;
99 }
100 
fill_menu(menu_t * menu)101 static int fill_menu (menu_t* menu)
102 {
103   list_entry_t* e;
104   int cid, chapter_num = 0;
105   int start_time;
106   demuxer_t* demuxer = mpctx_get_demuxer(menu->ctx);
107 
108   if (demuxer)
109     chapter_num = demuxer_chapter_count(demuxer);
110   if (chapter_num > 0) {
111     menu_list_init (menu);
112     for (cid = 0; cid < chapter_num; ++cid)
113       if ((e = calloc (1, sizeof (list_entry_t))) != NULL) {
114         e->cid = cid + 1;
115         e->p.next = NULL;
116         e->p.txt = demuxer_chapter_display_name(demuxer, cid);
117         start_time = demuxer_chapter_time(demuxer, cid, NULL);
118         if (start_time >= 0) {
119             char timestr[13];
120             char *tmp;
121             int hour = start_time / 3600;
122             int minute = (start_time / 60) % 60;
123             int seconds = start_time % 60;
124             sprintf(timestr,"%02d:%02d:%02d", hour, minute, seconds);
125 
126             tmp = fmt_replace(menu->priv->fmt_with_time, e->p.txt, timestr);
127             free(e->p.txt);
128             e->p.txt = tmp;
129         }
130         menu_list_add_entry(menu, e);
131       }
132   }
133   else
134     menu_list_read_cmd(menu, MENU_CMD_CANCEL);
135 
136   return 1;
137 }
138 
read_cmd(menu_t * menu,int cmd)139 static void read_cmd (menu_t* menu, int cmd)
140 {
141   switch (cmd) {
142     case MENU_CMD_RIGHT:
143     case MENU_CMD_OK: {
144       char cmdbuf[26];
145       sprintf(cmdbuf, "seek_chapter %d 1", menu->priv->p.current->cid);
146       mp_input_queue_cmd(mp_input_parse_cmd(cmdbuf));
147       if (menu->priv->auto_close)
148         mp_input_queue_cmd(mp_input_parse_cmd("menu hide"));
149       break;
150     }
151     default:
152       menu_list_read_cmd (menu, cmd);
153   }
154 }
155 
close_cs(menu_t * menu)156 static void close_cs (menu_t* menu)
157 {
158   menu_list_uninit (menu, NULL);
159 }
160 
open_cs(menu_t * menu,char * av_unused args)161 static int open_cs (menu_t* menu, char* av_unused args)
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 };
184