/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Copyright (C) 2003 by Benjamin Metzler * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include #include #include #include #include "applimits.h" #include "lcd.h" #include "button.h" #include "usb.h" #include "mpeg.h" #include "wps.h" #include "settings.h" #include "bookmark.h" #include "dir.h" #include "status.h" #include "system.h" #include "errno.h" #include "icons.h" #include "atoi.h" #include "string.h" #include "menu.h" #include "lang.h" #include "screens.h" #include "status.h" #include "debug.h" #include "kernel.h" #include "sprintf.h" #include "talk.h" #include "misc.h" #define MAX_BOOKMARKS 10 #define MAX_BOOKMARK_SIZE 350 #define RECENT_BOOKMARK_FILE ROCKBOX_DIR "/most-recent.bmark" static bool add_bookmark(const char* bookmark_file_name, const char* bookmark); static bool bookmark_load_menu(void); static bool check_bookmark(const char* bookmark); static char* create_bookmark(void); static bool delete_bookmark(const char* bookmark_file_name, int bookmark_id); static void display_bookmark(const char* bookmark, int bookmark_id, int bookmark_count); static void say_bookmark(const char* bookmark, int bookmark_id); static bool generate_bookmark_file_name(const char *in); static char* get_bookmark(const char* bookmark_file, int bookmark_count); static bool parse_bookmark(const char *bookmark, int *resume_index, int *resume_offset, int *resume_seed, int *resume_first_index, char* resume_file, unsigned int resume_file_size, int* ms, int * repeat_mode, bool *shuffle, char* file_name, unsigned int max_file_name_size); static char* select_bookmark(const char* bookmark_file_name); static bool system_check(void); static bool write_bookmark(bool create_bookmark_file); static int get_bookmark_count(const char* bookmark_file_name); static char global_temp_buffer[MAX_PATH+1]; static char global_bookmark_file_name[MAX_PATH]; static char global_read_buffer[MAX_BOOKMARK_SIZE]; static char global_bookmark[MAX_BOOKMARK_SIZE]; /* ----------------------------------------------------------------------- */ /* Displays the bookmark menu options for the user to decide. This is an */ /* interface function. */ /* ----------------------------------------------------------------------- */ bool bookmark_menu(void) { int m; bool result; static const struct menu_item items[] = { { ID2P(LANG_BOOKMARK_MENU_CREATE), bookmark_create_menu}, { ID2P(LANG_BOOKMARK_MENU_LIST), bookmark_load_menu}, { ID2P(LANG_BOOKMARK_MENU_RECENT_BOOKMARKS), bookmark_mrb_load}, }; m=menu_init( items, sizeof items / sizeof(struct menu_item), NULL, NULL, NULL, NULL); #ifdef HAVE_LCD_CHARCELLS status_set_param(true); #endif result = menu_run(m); #ifdef HAVE_LCD_CHARCELLS status_set_param(false); #endif menu_exit(m); settings_save(); return result; } /* ----------------------------------------------------------------------- */ /* This is the interface function from the main menu. */ /* ----------------------------------------------------------------------- */ bool bookmark_create_menu(void) { write_bookmark(true); return false; } /* ----------------------------------------------------------------------- */ /* This function acts as the load interface from the main menu */ /* This function determines the bookmark file name and then loads that file*/ /* for the user. The user can then select a bookmark to load. */ /* If no file/directory is currently playing, the menu item does not work. */ /* ----------------------------------------------------------------------- */ static bool bookmark_load_menu(void) { bool success = true; int offset; int seed; int index; char* bookmark; if(!system_check()) return false; else { char* name = playlist_get_name(NULL, global_temp_buffer, sizeof(global_temp_buffer)); if (generate_bookmark_file_name(name)) { bookmark = select_bookmark(global_bookmark_file_name); if (!bookmark) return false; /* User exited without selecting a bookmark */ success = parse_bookmark(bookmark, &index, &offset, &seed, NULL, global_temp_buffer, sizeof(global_temp_buffer), NULL, &global_settings.repeat_mode, &global_settings.playlist_shuffle, NULL, 0); } else { /* something bad happened while creating bookmark name*/ success = false; } if (success) bookmark_play(global_temp_buffer, index, offset, seed); } return success; } /* ----------------------------------------------------------------------- */ /* Gives the user a list of the Most Recent Bookmarks. This is an */ /* interface function */ /* ----------------------------------------------------------------------- */ bool bookmark_mrb_load() { bool success = true; int offset; int seed; int index; char* bookmark; bookmark = select_bookmark(RECENT_BOOKMARK_FILE); if (!bookmark) return false; /* User exited without selecting a bookmark */ success = parse_bookmark(bookmark, &index, &offset, &seed, NULL, global_temp_buffer, sizeof(global_temp_buffer), NULL, &global_settings.repeat_mode, &global_settings.playlist_shuffle, NULL, 0); if (success) bookmark_play(global_temp_buffer, index, offset, seed); return success; } /* ----------------------------------------------------------------------- */ /* This function handles an autobookmark creation. This is an interface */ /* function. */ /* ----------------------------------------------------------------------- */ bool bookmark_autobookmark(void) { /* prompts the user as to create a bookmark */ bool done = false; int key = 0; if (!system_check()) return false; mpeg_pause(); /* first pause playback */ switch (global_settings.autocreatebookmark) { case BOOKMARK_YES: return write_bookmark(true); case BOOKMARK_NO: return false; case BOOKMARK_RECENT_ONLY_YES: return write_bookmark(false); } /* Prompting user to confirm bookmark creation */ lcd_clear_display(); #ifdef HAVE_LCD_BITMAP lcd_setmargins(0, STATUSBAR_HEIGHT); lcd_puts(0,0, str(LANG_AUTO_BOOKMARK_QUERY)); lcd_puts(0,1, str(LANG_CONFIRM_WITH_PLAY_RECORDER)); lcd_puts(0,2, str(LANG_CANCEL_WITH_ANY_RECORDER)); #else status_draw(false); lcd_puts(0,0, str(LANG_AUTO_BOOKMARK_QUERY)); lcd_puts(0,1,str(LANG_RESUME_CONFIRM_PLAYER)); #endif lcd_update(); while (!done) { /* Wait for a key to be pushed */ key = button_get(true); switch (key) { case BUTTON_DOWN | BUTTON_REL: case BUTTON_ON | BUTTON_REL: #ifdef HAVE_RECORDER_KEYPAD case BUTTON_OFF | BUTTON_REL: case BUTTON_RIGHT | BUTTON_REL: case BUTTON_UP | BUTTON_REL: #endif case BUTTON_LEFT | BUTTON_REL: done = true; break; case BUTTON_PLAY | BUTTON_REL: if (global_settings.autocreatebookmark == BOOKMARK_RECENT_ONLY_ASK) write_bookmark(false); else write_bookmark(true); done = true; break; default: if(default_event_handler(key) == SYS_USB_CONNECTED) return false; break; } } return true; } /* ----------------------------------------------------------------------- */ /* This function takes the current current resume information and writes */ /* that to the beginning of the bookmark file. */ /* This file will contain N number of bookmarks in the following format: */ /* resume_index*resume_offset*resume_seed*resume_first_index* */ /* resume_file*milliseconds*MP3 Title* */ /* ------------------------------------------------------------------------*/ static bool write_bookmark(bool create_bookmark_file) { bool success=false; char* bookmark; if (!system_check()) return false; /* something didn't happen correctly, do nothing */ bookmark = create_bookmark(); if (!bookmark) return false; /* something didn't happen correctly, do nothing */ if (global_settings.usemrb) success = add_bookmark(RECENT_BOOKMARK_FILE, bookmark); /* writing the bookmark */ if (create_bookmark_file) { char* name = playlist_get_name(NULL, global_temp_buffer, sizeof(global_temp_buffer)); if (generate_bookmark_file_name(name)) { success = add_bookmark(global_bookmark_file_name, bookmark); } } if (success) splash(HZ, true, str(LANG_BOOKMARK_CREATE_SUCCESS)); else splash(HZ, true, str(LANG_BOOKMARK_CREATE_FAILURE)); return true; } /* ----------------------------------------------------------------------- */ /* This function adds a bookmark to a file. */ /* ------------------------------------------------------------------------*/ static bool add_bookmark(const char* bookmark_file_name, const char* bookmark) { int temp_bookmark_file = 0; int bookmark_file = 0; int bookmark_count = 0; char* playlist = NULL; char* cp; char* tmp; int len = 0; bool unique = false; /* Opening up a temp bookmark file */ snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%s.tmp", bookmark_file_name); temp_bookmark_file = open(global_temp_buffer, O_WRONLY | O_CREAT | O_TRUNC); if (temp_bookmark_file < 0) return false; /* can't open the temp file */ if (!strcmp(bookmark_file_name,RECENT_BOOKMARK_FILE) && (global_settings.usemrb == BOOKMARK_UNIQUE_ONLY)) { playlist = strchr(bookmark,'/'); cp = strrchr(bookmark,';'); len = cp - playlist; unique = true; } /* Writing the new bookmark to the begining of the temp file */ write(temp_bookmark_file, bookmark, strlen(bookmark)); write(temp_bookmark_file, "\n", 1); bookmark_count++; /* Reading in the previous bookmarks and writing them to the temp file */ bookmark_file = open(bookmark_file_name, O_RDONLY); if (bookmark_file >= 0) { while (read_line(bookmark_file, global_read_buffer, sizeof(global_read_buffer))) { /* The MRB has a max of MAX_BOOKMARKS in it */ /* This keeps it from getting too large */ if ((strcmp(bookmark_file_name,RECENT_BOOKMARK_FILE)==0)) { if(bookmark_count >= MAX_BOOKMARKS) break; } cp = strchr(global_read_buffer,'/'); tmp = strrchr(global_read_buffer,';'); if (check_bookmark(global_read_buffer) && (!unique || len != tmp -cp || strncmp(playlist,cp,len))) { bookmark_count++; write(temp_bookmark_file, global_read_buffer, strlen(global_read_buffer)); write(temp_bookmark_file, "\n", 1); } } close(bookmark_file); } close(temp_bookmark_file); remove(bookmark_file_name); rename(global_temp_buffer, bookmark_file_name); return true; } /* ----------------------------------------------------------------------- */ /* This function takes the system resume data and formats it into a valid */ /* bookmark. */ /* ----------------------------------------------------------------------- */ static char* create_bookmark() { int resume_index = 0; char *file; /* grab the currently playing track */ struct mp3entry *id3 = mpeg_current_track(); if(!id3) return NULL; /* Get some basic resume information */ /* queue_resume and queue_resume_index are not used and can be ignored.*/ playlist_get_resume_info(&resume_index); /* Get the currently playing file minus the path */ /* This is used when displaying the available bookmarks */ file = strrchr(id3->path,'/'); if(NULL == file) return NULL; /* create the bookmark */ snprintf(global_bookmark, sizeof(global_bookmark), "%d;%d;%d;%d;%d;%d;%d;%s;%s", resume_index, id3->offset, playlist_get_seed(NULL), 0, id3->elapsed, global_settings.repeat_mode, global_settings.playlist_shuffle, playlist_get_name(NULL, global_temp_buffer, sizeof(global_temp_buffer)), file+1); /* checking to see if the bookmark is valid */ if (check_bookmark(global_bookmark)) return global_bookmark; else return NULL; } static bool check_bookmark(const char* bookmark) { return parse_bookmark(bookmark, NULL,NULL,NULL, NULL, NULL,0,NULL,NULL, NULL, NULL, 0); } /* ----------------------------------------------------------------------- */ /* This function will determine if an autoload is necessary. This is an */ /* interface function. */ /* ------------------------------------------------------------------------*/ bool bookmark_autoload(const char* file) { int key; int fd; bool done = false; if(global_settings.autoloadbookmark == BOOKMARK_NO) return false; /*Checking to see if a bookmark file exists.*/ if(!generate_bookmark_file_name(file)) { return false; } fd = open(global_bookmark_file_name, O_RDONLY); if(fd<0) return false; if(-1 == lseek(fd, 0, SEEK_END)) { close(fd); return false; } close(fd); if(global_settings.autoloadbookmark == BOOKMARK_YES) { return bookmark_load(global_bookmark_file_name, true); } else { while (button_get(false)); /* clear button queue */ /* Prompting user to confirm bookmark load */ lcd_clear_display(); #ifdef HAVE_LCD_BITMAP lcd_setmargins(0, STATUSBAR_HEIGHT); lcd_puts_scroll(0,0, str(LANG_BOOKMARK_AUTOLOAD_QUERY)); lcd_puts(0,1, str(LANG_CONFIRM_WITH_PLAY_RECORDER)); lcd_puts(0,2, str(LANG_BOOKMARK_SELECT_LIST_BOOKMARKS)); lcd_puts(0,3, str(LANG_CANCEL_WITH_ANY_RECORDER)); #else status_draw(false); lcd_puts_scroll(0,0, str(LANG_BOOKMARK_AUTOLOAD_QUERY)); lcd_puts(0,1,str(LANG_RESUME_CONFIRM_PLAYER)); #endif lcd_update(); sleep(100); while(!done) { button_clear_queue(); /* Wait for a key to be pushed */ key = button_get(true); switch(key) { #ifdef HAVE_LCD_BITMAP case BUTTON_DOWN: return bookmark_load(global_bookmark_file_name, false); #endif case BUTTON_PLAY: return bookmark_load(global_bookmark_file_name, true); default: if(default_event_handler(key) == SYS_USB_CONNECTED) return true; return false; } } return true; } } /* ----------------------------------------------------------------------- */ /* This function loads the bookmark information into the resume memory. */ /* This is an interface function. */ /* ------------------------------------------------------------------------*/ bool bookmark_load(const char* file, bool autoload) { int fd; bool success = true; int offset; int seed; int index; char* bookmark = NULL;; if(autoload) { fd = open(file, O_RDONLY); if(fd >= 0) { if(read_line(fd, global_read_buffer, sizeof(global_read_buffer))) bookmark=global_read_buffer; close(fd); } } else { /* This is not an auto-load, so list the bookmarks */ bookmark=select_bookmark(file); if(!bookmark) return true; /* User exited without selecting a bookmark */ } if(bookmark) { success = parse_bookmark(bookmark, &index, &offset, &seed, NULL, global_temp_buffer, sizeof(global_temp_buffer), NULL, &global_settings.repeat_mode, &global_settings.playlist_shuffle, NULL, 0); } if(success) bookmark_play(global_temp_buffer,index,offset,seed); return success; } static int get_bookmark_count(const char* bookmark_file_name) { int read_count = 0; int file = open(bookmark_file_name, O_RDONLY); if(file < 0) return -1; /* Get the requested bookmark */ while(read_line(file, global_read_buffer, sizeof(global_read_buffer))) { if(check_bookmark(global_read_buffer)) read_count++; } close(file); return read_count; } /* ----------------------------------------------------------------------- */ /* This displays a the bookmarks in a file and allows the user to */ /* select one to play. */ /* ------------------------------------------------------------------------*/ static char* select_bookmark(const char* bookmark_file_name) { int bookmark_id = 0; int bookmark_id_prev = -1; int key = 0; char* bookmark = NULL; int bookmark_count = 0; #ifdef HAVE_LCD_BITMAP lcd_setmargins(0, 0); #endif while (button_get(false)); /* clear button queue */ bookmark_count = get_bookmark_count(bookmark_file_name); while(true) { if(bookmark_id < 0) bookmark_id = bookmark_count -1; if(bookmark_id == bookmark_count) bookmark_id = 0; if (bookmark_id != bookmark_id_prev) { bookmark = get_bookmark(bookmark_file_name, bookmark_id); bookmark_id_prev = bookmark_id; } if (!bookmark) { /* if there were no bookmarks in the file, delete the file and exit. */ if(bookmark_id == 0) { splash(HZ, true, str(LANG_BOOKMARK_LOAD_EMPTY)); remove(bookmark_file_name); while (button_get(false)); /* clear button queue */ return NULL; } else { bookmark_id_prev = bookmark_id; bookmark_id--; } } else { display_bookmark(bookmark, bookmark_id, bookmark_count); if (global_settings.talk_menu) /* for voice UI */ say_bookmark(bookmark, bookmark_id); } /* waiting for the user to click a button */ key = button_get(true); switch(key) { case BUTTON_PLAY: /* User wants to use this bookmark */ #ifdef HAVE_LCD_BITMAP if (global_settings.statusbar) lcd_setmargins(0, STATUSBAR_HEIGHT); else lcd_setmargins(0, 0); #endif return bookmark; case BUTTON_ON | BUTTON_PLAY: /* User wants to delete this bookmark */ delete_bookmark(bookmark_file_name, bookmark_id); bookmark_id_prev=-1; bookmark_id--; bookmark_count--; while (button_get(false)); /* clear button queue */ break; #ifdef HAVE_RECORDER_KEYPAD case BUTTON_UP: bookmark_id--; break; case BUTTON_DOWN: bookmark_id++; break; case BUTTON_LEFT: case BUTTON_OFF: #ifdef HAVE_LCD_BITMAP if (global_settings.statusbar) lcd_setmargins(0, STATUSBAR_HEIGHT); else lcd_setmargins(0, 0); #endif return NULL; #else case BUTTON_LEFT: bookmark_id--; break; case BUTTON_RIGHT: bookmark_id++; break; case BUTTON_STOP: return NULL; #endif default: if(default_event_handler(key) == SYS_USB_CONNECTED) return NULL; break; } } return NULL; } /* ----------------------------------------------------------------------- */ /* This function takes a location in a bookmark file and deletes that */ /* bookmark. */ /* ------------------------------------------------------------------------*/ static bool delete_bookmark(const char* bookmark_file_name, int bookmark_id) { int temp_bookmark_file = 0; int bookmark_file = 0; int bookmark_count = 0; /* Opening up a temp bookmark file */ snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%s.tmp", bookmark_file_name); temp_bookmark_file = open(global_temp_buffer, O_WRONLY | O_CREAT | O_TRUNC); bookmark_file = open(bookmark_file_name, O_RDONLY); if (temp_bookmark_file < 0 || bookmark_file < 0) return false; /* can't open one of the files */ /* Reading in the previous bookmarks and writing them to the temp file */ while (read_line(bookmark_file, global_read_buffer, sizeof(global_read_buffer))) { /* The MRB has a max of MAX_BOOKMARKS in it */ /* This keeps it from getting too large */ if ((strcmp(bookmark_file_name,RECENT_BOOKMARK_FILE)==0)) { if(bookmark_count >= MAX_BOOKMARKS) break; } if (check_bookmark(global_read_buffer)) { if (bookmark_id != bookmark_count) { write(temp_bookmark_file, global_read_buffer, strlen(global_read_buffer)); write(temp_bookmark_file, "\n", 1); } bookmark_count++; } } close(bookmark_file); close(temp_bookmark_file); remove(bookmark_file_name); rename(global_temp_buffer, bookmark_file_name); return true; } /* ----------------------------------------------------------------------- */ /* This function parses a bookmark and displays it for the user. */ /* ------------------------------------------------------------------------*/ static void display_bookmark(const char* bookmark, int bookmark_id, int bookmark_count) { int resume_index = 0; int ms = 0; int repeat_mode = 0; bool playlist_shuffle = false; char MP3_file_name[45]; int len; char *dot; /* getting the index and the time into the file */ parse_bookmark(bookmark, &resume_index, NULL, NULL, NULL, NULL, 0, &ms, &repeat_mode, &playlist_shuffle, MP3_file_name, sizeof(MP3_file_name)); lcd_clear_display(); lcd_stop_scroll(); #ifdef HAVE_LCD_BITMAP /* bookmark shuffle and repeat states*/ switch (repeat_mode) { case REPEAT_ONE: statusbar_icon_play_mode(Icon_RepeatOne); break; case REPEAT_ALL: statusbar_icon_play_mode(Icon_Repeat); break; } if(playlist_shuffle) statusbar_icon_shuffle(); /* File Name */ len=strlen(MP3_file_name); if (len>3) dot=strrchr(MP3_file_name + len - 4, '.'); else dot=NULL; if (dot) *dot='\0'; lcd_puts_scroll(0, 0, MP3_file_name); if (dot) *dot='.'; /* bookmark number */ snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%s: %2d/%2d", str(LANG_BOOKMARK_SELECT_BOOKMARK_TEXT), bookmark_id + 1, bookmark_count); lcd_puts_scroll(0, 1, global_temp_buffer); /* bookmark resume index */ snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%s: %2d", str(LANG_BOOKMARK_SELECT_INDEX_TEXT), resume_index+1); lcd_puts_scroll(0, 2, global_temp_buffer); /* elapsed time*/ if ( ms < 3600000 ) { snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%s: %d:%02d", str(LANG_BOOKMARK_SELECT_TIME_TEXT), ms / 60000, ms % 60000 / 1000); } else { snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%s: %d:%02d:%02d", str(LANG_BOOKMARK_SELECT_TIME_TEXT), ms / 3600000, ms % 3600000 / 60000, ms % 60000 / 1000); } lcd_puts_scroll(0, 3, global_temp_buffer); /* commands */ lcd_puts_scroll(0, 4, str(LANG_BOOKMARK_SELECT_PLAY)); lcd_puts_scroll(0, 5, str(LANG_BOOKMARK_SELECT_EXIT)); lcd_puts_scroll(0, 6, str(LANG_BOOKMARK_SELECT_DELETE)); #else (void)bookmark_id; len=strlen(MP3_file_name); if (len>3) dot=strrchr(MP3_file_name+len-4,'.'); else dot=NULL; if (dot) *dot='\0'; if ( ms < 3600000 ) { snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%2d, %d:%02d, %s,", (bookmark_count+1), ms / 60000, ms % 60000 / 1000, MP3_file_name); } else { snprintf(global_temp_buffer, sizeof(global_temp_buffer), "%2d, %d:%02d:%02d, %s,", (bookmark_count+1), ms / 60000, ms % 3600000 / 60000, ms % 60000 / 1000, MP3_file_name); } status_draw(false); lcd_puts_scroll(0,0,global_temp_buffer); lcd_puts(0,1,str(LANG_RESUME_CONFIRM_PLAYER)); if (dot) *dot='.'; #endif lcd_update(); } /* ----------------------------------------------------------------------- */ /* This function parses a bookmark, says the voice UI part of it. */ /* ------------------------------------------------------------------------*/ static void say_bookmark(const char* bookmark, int bookmark_id) { int resume_index; int ms; char dir[MAX_PATH]; bool enqueue = false; /* only the first voice is not queued */ parse_bookmark(bookmark, &resume_index, NULL, NULL, NULL, dir, sizeof(dir), &ms, NULL, NULL, NULL, 0); /* disabled, because transition between talkbox and voice UI clip is not nice */ #if 0 if (global_settings.talk_dir >= 3) { /* "talkbox" enabled */ char* last = strrchr(dir, '/'); if (last) { /* compose filename for talkbox */ strncpy(last + 1, dir_thumbnail_name, sizeof(dir)-(last-dir)-1); talk_file(dir, enqueue); enqueue = true; } } #endif talk_id(VOICE_EXT_BMARK, enqueue); talk_number(bookmark_id + 1, true); talk_id(LANG_BOOKMARK_SELECT_INDEX_TEXT, true); talk_number(resume_index + 1, true); talk_id(LANG_BOOKMARK_SELECT_TIME_TEXT, true); if (ms / 60000) talk_value(ms / 60000, UNIT_MIN, true); talk_value((ms % 60000) / 1000, UNIT_SEC, true); } /* ----------------------------------------------------------------------- */ /* This function retrieves a given bookmark from a file. */ /* If the bookmark requested is beyond the number of bookmarks available */ /* in the file, it will return the last one. */ /* It also returns the index number of the bookmark in the file */ /* ------------------------------------------------------------------------*/ static char* get_bookmark(const char* bookmark_file, int bookmark_count) { int read_count = -1; int result = 0; int file = open(bookmark_file, O_RDONLY); if (file < 0) return NULL; /* Get the requested bookmark */ while (read_count < bookmark_count) { /*Reading in a single bookmark */ result = read_line(file, global_read_buffer, sizeof(global_read_buffer)); /* Reading past the last bookmark in the file causes the loop to stop */ if (result <= 0) break; read_count++; } close(file); if (read_count == bookmark_count) return global_read_buffer; else return NULL; } /* ----------------------------------------------------------------------- */ /* This function takes a bookmark and parses it. This function also */ /* validates the bookmark. Passing in NULL for an output variable */ /* indicates that value is not requested. */ /* ----------------------------------------------------------------------- */ static bool parse_bookmark(const char *bookmark, int *resume_index, int *resume_offset, int *resume_seed, int *resume_first_index, char* resume_file, unsigned int resume_file_size, int* ms, int * repeat_mode, bool *shuffle, char* file_name, unsigned int max_file_name_size) { /* First check to see if a valid line was passed in. */ int bookmark_len = strlen(bookmark); int local_resume_index = 0; int local_resume_offset = 0; int local_resume_seed = 0; int local_resume_first_index = 0; int local_mS = 0; int local_shuffle = 0; int local_repeat_mode = 0; char* local_resume_file = NULL; char* local_file_name = NULL; char* field; char* end; static char bookmarkcopy[MAX_BOOKMARK_SIZE]; /* Don't do anything if the bookmark length is 0 */ if (bookmark_len <= 0) return false; /* Making a dup of the bookmark to use with strtok_r */ strncpy(bookmarkcopy, bookmark, sizeof(bookmarkcopy)); bookmarkcopy[sizeof(bookmarkcopy) - 1] = 0; /* resume_index */ if ((field = strtok_r(bookmarkcopy, ";", &end))) local_resume_index = atoi(field); else return false; /* resume_offset */ if ((field = strtok_r(NULL, ";", &end))) local_resume_offset = atoi(field); else return false; /* resume_seed */ if ((field = strtok_r(NULL, ";", &end))) local_resume_seed = atoi(field); else return false; /* resume_first_index */ if ((field = strtok_r(NULL, ";", &end))) local_resume_first_index = atoi(field); else return false; /* Milliseconds into MP3. Used for the bookmark select menu */ if ((field = strtok_r(NULL, ";", &end))) local_mS = atoi(field); else return false; /* repeat_mode */ if ((field = strtok_r(NULL, ";", &end))) local_repeat_mode = atoi(field); else return false; /* shuffle mode */ if ((field = strtok_r(NULL, ";", &end))) local_shuffle = atoi(field); else return false; /* resume_file & file_name (for the bookmark select menu)*/ if (end) { local_resume_file = strtok_r(NULL, ";", &end); if (end) local_file_name = strtok_r(NULL, ";", &end); } else return false; /* Only return the values the calling function wants */ if (resume_index) *resume_index = local_resume_index; if (resume_offset) *resume_offset = local_resume_offset; if (resume_seed) *resume_seed = local_resume_seed; if (resume_first_index) *resume_first_index = local_resume_first_index; if (resume_file && local_resume_file) { strncpy(resume_file, local_resume_file, MIN(strlen(local_resume_file), resume_file_size-1)); resume_file[MIN(strlen(local_resume_file), resume_file_size-1)]=0; } if (ms) *ms = local_mS; if (shuffle) *shuffle = local_shuffle; if (repeat_mode) *repeat_mode = local_repeat_mode; if (file_name && local_file_name) { strncpy(file_name, local_file_name, MIN(strlen(local_file_name),max_file_name_size-1)); file_name[MIN(strlen(local_file_name),max_file_name_size-1)]=0; } return true; } /* ----------------------------------------------------------------------- */ /* This function is used by multiple functions and is used to generate a */ /* bookmark named based off of the input. */ /* Changing this function could result in how the bookmarks are stored. */ /* it would be here that the centralized/decentralized bookmark code */ /* could be placed. */ /* ----------------------------------------------------------------------- */ static bool generate_bookmark_file_name(const char *in) { int len = strlen(in); /* if this is a root dir MP3, rename the bookmark file root_dir.bmark */ /* otherwise, name it based on the in variable */ if (!strcmp("/", in)) strcpy(global_bookmark_file_name, "/root_dir.bmark"); else { strcpy(global_bookmark_file_name, in); if(global_bookmark_file_name[len-1] == '/') len--; strcpy(&global_bookmark_file_name[len], ".bmark"); } return true; } /* ----------------------------------------------------------------------- */ /* Checks the current state of the system and returns if it is in a */ /* bookmarkable state. */ /* ----------------------------------------------------------------------- */ /* Inputs: */ /* ----------------------------------------------------------------------- */ /* Outputs: */ /* return bool: Indicates if the system was in a bookmarkable state */ /* ----------------------------------------------------------------------- */ static bool system_check(void) { int resume_index = 0; struct mp3entry *id3 = mpeg_current_track(); if (!id3) { /* no track playing */ return false; } /* Checking to see if playing a queued track */ if (playlist_get_resume_info(&resume_index) == -1) { /* something bad happened while getting the queue information */ return false; } else if (playlist_modified(NULL)) { /* can't bookmark while in the queue */ return false; } return true; }