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rockbox/apps/filetree.c
Thomas Martitz d1322b7159 GSoC/Buflib: Replace all direct accesses to audiobuf with buffer API functions. 
Namely, introduce buffer_get_buffer() and buffer_release_buffer().
buffer_get_buffer() aquires all available and grabs a lock, attempting to
call buffer_alloc() or buffer_get_buffer() while this lock is locked will cause
a panicf() (doesn't actually happen, but is for debugging purpose).
buffer_release_buffer() unlocks that lock and can additionally increment the
audiobuf buffer to make an allocation. Pass 0 to only unlock if buffer was
used temporarily only.
buffer_available() is a replacement function to query audiobuflen, i.e. what's
left in the buffer.
Buffer init is moved up in the init chain and handles ipodvideo64mb internally.

Further changes happened to mp3data.c and talk.c as to not call the above API
functions, but get the buffer from callers. The caller is the audio system
which has the buffer lock while mp3data.c and talk mess with the buffer.
mpeg.c now implements some buffer related functions of playback.h, especially
audio_get_buffer(), allowing to reduce #ifdef hell a tiny bit.

audiobuf and audiobufend are local to buffer.c now.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30308 a1c6a512-1295-4272-9138-f99709370657
2011-08-14 15:13:00 +00:00

745 lines
24 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Björn Stenberg
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdlib.h>
#include <file.h>
#include <dir.h>
#include <string.h>
#include <kernel.h>
#include <lcd.h>
#include <debug.h>
#include <font.h>
#include <limits.h>
#include "bookmark.h"
#include "tree.h"
#include "settings.h"
#include "filetypes.h"
#include "talk.h"
#include "playlist.h"
#include "lang.h"
#include "language.h"
#include "screens.h"
#include "plugin.h"
#include "rolo.h"
#include "splash.h"
#include "cuesheet.h"
#include "filetree.h"
#include "misc.h"
#include "strnatcmp.h"
#include "playlist_viewer.h"
#ifdef HAVE_LCD_BITMAP
#include "keyboard.h"
#endif
#if CONFIG_TUNER
#include "radio.h"
#endif
#include "wps.h"
static int compare_sort_dir; /* qsort key for sorting directories */
int ft_build_playlist(struct tree_context* c, int start_index)
{
int i;
int start=start_index;
struct entry *entries = c->cache.entries;
for(i = 0;i < c->filesindir;i++)
{
if((entries[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
{
if (playlist_add(entries[i].name) < 0)
break;
}
else
{
/* Adjust the start index when se skip non-MP3 entries */
if(i < start)
start_index--;
}
}
return start_index;
}
/* Start playback of a playlist, checking for bookmark autoload, modified
* playlists, etc., as required. Returns false if playback wasn't started,
* or started via bookmark autoload, true otherwise.
*
* Pointers to both the full pathname and the separated parts needed to
* avoid allocating yet another path buffer on the stack (and save some
* code; the caller typically needs to create the full pathname anyway)...
*/
bool ft_play_playlist(char* pathname, char* dirname, char* filename)
{
if (global_settings.party_mode && audio_status())
{
splash(HZ, ID2P(LANG_PARTY_MODE));
return false;
}
if (bookmark_autoload(pathname))
{
return false;
}
splash(0, ID2P(LANG_WAIT));
/* about to create a new current playlist...
allow user to cancel the operation */
if (!warn_on_pl_erase())
return false;
if (playlist_create(dirname, filename) != -1)
{
if (global_settings.playlist_shuffle)
{
playlist_shuffle(current_tick, -1);
}
playlist_start(0, 0);
return true;
}
return false;
}
/* walk a directory and check all entries if a .talk file exists */
static void check_file_thumbnails(struct tree_context* c)
{
int i;
struct dirent *entry;
struct entry* entries = c->cache.entries;
DIR *dir;
dir = opendir(c->currdir);
if(!dir)
return;
/* mark all files as non talking, except the .talk ones */
for (i=0; i < c->filesindir; i++)
{
if (entries[i].attr & ATTR_DIRECTORY)
continue; /* we're not touching directories */
if (strcasecmp(file_thumbnail_ext,
&entries[i].name[strlen(entries[i].name)
- strlen(file_thumbnail_ext)]))
{ /* no .talk file */
entries[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
}
else
{ /* .talk file, we later let them speak themselves */
entries[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
}
}
while((entry = readdir(dir)) != 0) /* walk directory */
{
int ext_pos;
struct dirinfo info = dir_get_info(dir, entry);
ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
if (ext_pos <= 0 /* too short to carry ".talk" */
|| (info.attribute & ATTR_DIRECTORY) /* no file */
|| strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
{ /* or doesn't end with ".talk", no candidate */
continue;
}
/* terminate the (disposable) name in dir buffer,
this truncates off the ".talk" without needing an extra buffer */
entry->d_name[ext_pos] = '\0';
/* search corresponding file in dir cache */
for (i=0; i < c->filesindir; i++)
{
if (!strcasecmp(entries[i].name, (char *)entry->d_name))
{ /* match */
entries[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
break; /* exit search loop, because we found it */
}
}
}
closedir(dir);
}
/* support function for qsort() */
static int compare(const void* p1, const void* p2)
{
struct entry* e1 = (struct entry*)p1;
struct entry* e2 = (struct entry*)p2;
int criteria;
if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
{ /* two directories */
criteria = compare_sort_dir;
#ifdef HAVE_MULTIVOLUME
if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
{ /* a volume identifier is involved */
if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
criteria = SORT_ALPHA; /* two volumes: sort alphabetically */
else /* only one is a volume: volume first */
return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
}
#endif
}
else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
{ /* two files */
criteria = global_settings.sort_file;
}
else /* dir and file, dir goes first */
return (e2->attr & ATTR_DIRECTORY) - (e1->attr & ATTR_DIRECTORY);
switch(criteria)
{
case SORT_TYPE:
case SORT_TYPE_REVERSED:
{
int t1 = e1->attr & FILE_ATTR_MASK;
int t2 = e2->attr & FILE_ATTR_MASK;
if (!t1) /* unknown type */
t1 = INT_MAX; /* gets a high number, to sort after known */
if (!t2) /* unknown type */
t2 = INT_MAX; /* gets a high number, to sort after known */
if (t1 != t2) /* if different */
return (t1 - t2) * (criteria == SORT_TYPE_REVERSED ? -1 : 1);
/* else fall through to alphabetical sorting */
}
case SORT_DATE:
case SORT_DATE_REVERSED:
/* Ignore SORT_TYPE */
if (criteria == SORT_DATE || criteria == SORT_DATE_REVERSED)
{
if (e1->time_write != e2->time_write)
return (e1->time_write - e2->time_write)
* (criteria == SORT_DATE_REVERSED ? -1 : 1);
/* else fall through to alphabetical sorting */
}
case SORT_ALPHA:
case SORT_ALPHA_REVERSED:
{
if (global_settings.sort_case)
{
if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
return strnatcmp(e1->name, e2->name)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
else
return strncmp(e1->name, e2->name, MAX_PATH)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
}
else
{
if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
return strnatcasecmp(e1->name, e2->name)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
else
return strncasecmp(e1->name, e2->name, MAX_PATH)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
}
}
}
return 0; /* never reached */
}
/* load and sort directory into the tree's cache. returns NULL on failure. */
int ft_load(struct tree_context* c, const char* tempdir)
{
int files_in_dir = 0;
int name_buffer_used = 0;
struct dirent *entry;
bool (*callback_show_item)(char *, int, struct tree_context *) = NULL;
DIR *dir;
if (tempdir)
dir = opendir(tempdir);
else
{
dir = opendir(c->currdir);
callback_show_item = c->browse? c->browse->callback_show_item: NULL;
}
if(!dir)
return -1; /* not a directory */
c->dirsindir = 0;
c->dirfull = false;
while ((entry = readdir(dir))) {
int len;
struct dirinfo info;
struct entry* table = c->cache.entries;
struct entry* dptr = &table[files_in_dir];
if (!entry)
break;
info = dir_get_info(dir, entry);
len = strlen((char *)entry->d_name);
/* skip directories . and .. */
if ((info.attribute & ATTR_DIRECTORY) &&
(((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
continue;
}
/* Skip FAT volume ID */
if (info.attribute & ATTR_VOLUME_ID) {
continue;
}
/* filter out dotfiles and hidden files */
if (*c->dirfilter != SHOW_ALL &&
((entry->d_name[0]=='.') ||
(info.attribute & ATTR_HIDDEN))) {
continue;
}
dptr->attr = info.attribute;
/* check for known file types */
if ( !(dptr->attr & ATTR_DIRECTORY) )
dptr->attr |= filetype_get_attr((char *)entry->d_name);
/* filter out non-visible files */
if ((!(dptr->attr & ATTR_DIRECTORY) && (
(*c->dirfilter == SHOW_PLAYLIST &&
(dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
((*c->dirfilter == SHOW_MUSIC &&
(dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
(dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
(*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
(*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
#ifdef HAVE_LCD_BITMAP
(*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
(*c->dirfilter == SHOW_SBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_SBS) ||
#if CONFIG_TUNER
(*c->dirfilter == SHOW_FMS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMS) ||
#endif
#endif
#ifdef HAVE_REMOTE_LCD
(*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
(*c->dirfilter == SHOW_RSBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RSBS) ||
#if CONFIG_TUNER
(*c->dirfilter == SHOW_RFMS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RFMS) ||
#endif
#endif
#if CONFIG_TUNER
(*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
#endif
(*c->dirfilter == SHOW_M3U && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
(*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
(*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
(*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
(*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK &&
(dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LUA) ||
(callback_show_item && !callback_show_item(entry->d_name, dptr->attr, c)))
{
continue;
}
if ((len > c->cache.name_buffer_size - name_buffer_used - 1) ||
(files_in_dir >= c->cache.max_entries)) {
/* Tell the world that we ran out of buffer space */
c->dirfull = true;
break;
}
++files_in_dir;
dptr->name = &c->cache.name_buffer[name_buffer_used];
dptr->time_write =
(long)info.wrtdate<<16 |
(long)info.wrttime; /* in one # */
strcpy(dptr->name, (char *)entry->d_name);
name_buffer_used += len + 1;
if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
c->dirsindir++;
}
c->filesindir = files_in_dir;
c->dirlength = files_in_dir;
closedir(dir);
compare_sort_dir = c->sort_dir;
qsort(c->cache.entries, files_in_dir, sizeof(struct entry), compare);
/* If thumbnail talking is enabled, make an extra run to mark files with
associated thumbnails, so we don't do unsuccessful spinups later. */
if (global_settings.talk_file_clip)
check_file_thumbnails(c); /* map .talk to ours */
return 0;
}
#ifdef HAVE_LCD_BITMAP
static void ft_load_font(char *file)
{
#if NB_SCREENS > 1
MENUITEM_STRINGLIST(menu, ID2P(LANG_CUSTOM_FONT), NULL,
ID2P(LANG_MAIN_SCREEN), ID2P(LANG_REMOTE_SCREEN))
switch (do_menu(&menu, NULL, NULL, false))
{
case 0: /* main lcd */
splash(0, ID2P(LANG_WAIT));
font_load(NULL, file);
set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
break;
case 1: /* remote */
splash(0, ID2P(LANG_WAIT));
font_load_remoteui(file);
set_file(file, (char *)global_settings.remote_font_file, MAX_FILENAME);
break;
}
#else
splash(0, ID2P(LANG_WAIT));
font_load(NULL, file);
set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
#endif
}
#endif
int ft_enter(struct tree_context* c)
{
int rc = GO_TO_PREVIOUS;
char buf[MAX_PATH];
struct entry* table = c->cache.entries;
struct entry *file = &table[c->selected_item];
if (c->currdir[1])
snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
else
snprintf(buf,sizeof(buf),"/%s",file->name);
if (file->attr & ATTR_DIRECTORY) {
memcpy(c->currdir, buf, sizeof(c->currdir));
if ( c->dirlevel < MAX_DIR_LEVELS )
c->selected_item_history[c->dirlevel] = c->selected_item;
c->dirlevel++;
c->selected_item=0;
}
else {
int seed = current_tick;
bool play = false;
int start_index=0;
switch ( file->attr & FILE_ATTR_MASK ) {
case FILE_ATTR_M3U:
if (!bookmark_autoload(buf))
playlist_viewer_ex(buf);
break;
case FILE_ATTR_AUDIO:
if (bookmark_autoload(c->currdir))
break;
splash(0, ID2P(LANG_WAIT));
/* about to create a new current playlist...
allow user to cancel the operation */
if (!warn_on_pl_erase())
break;
if (global_settings.party_mode && audio_status())
{
playlist_insert_track(NULL, buf,
PLAYLIST_INSERT_LAST, true, true);
splash(HZ, ID2P(LANG_QUEUE_LAST));
}
else if (playlist_create(c->currdir, NULL) != -1)
{
start_index = ft_build_playlist(c, c->selected_item);
if (global_settings.playlist_shuffle)
{
start_index = playlist_shuffle(seed, start_index);
/* when shuffling dir.: play all files
even if the file selected by user is
not the first one */
if (!global_settings.play_selected)
start_index = 0;
}
playlist_start(start_index, 0);
play = true;
}
break;
#if CONFIG_TUNER
/* fmr preset file */
case FILE_ATTR_FMR:
splash(0, ID2P(LANG_WAIT));
/* Preset inside the default folder. */
if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
{
set_file(buf, global_settings.fmr_file, MAX_FILENAME);
radio_load_presets(global_settings.fmr_file);
}
/*
* Preset outside default folder, we can choose such only
* if we are out of the radio screen, so the check for the
* radio status isn't neccessary
*/
else
{
radio_load_presets(buf);
}
rc = GO_TO_FM;
break;
case FILE_ATTR_FMS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.fms_file, MAX_FILENAME);
settings_apply_skins();
break;
#ifdef HAVE_REMOTE_LCD
case FILE_ATTR_RFMS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.rfms_file, MAX_FILENAME);
settings_apply_skins();
break;
#endif
#endif
#ifdef HAVE_LCD_BITMAP
case FILE_ATTR_SBS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.sbs_file, MAX_FILENAME);
settings_apply_skins();
break;
#endif
#ifdef HAVE_REMOTE_LCD
case FILE_ATTR_RSBS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.rsbs_file, MAX_FILENAME);
settings_apply_skins();
break;
#endif
/* wps config file */
case FILE_ATTR_WPS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.wps_file,
MAX_FILENAME);
settings_apply_skins();
break;
#if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
/* remote-wps config file */
case FILE_ATTR_RWPS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.rwps_file,
MAX_FILENAME);
settings_apply_skins();
break;
#endif
case FILE_ATTR_CFG:
splash(0, ID2P(LANG_WAIT));
if (!settings_load_config(buf,true))
break;
splash(HZ, ID2P(LANG_SETTINGS_LOADED));
break;
case FILE_ATTR_BMARK:
splash(0, ID2P(LANG_WAIT));
bookmark_load(buf, false);
rc = GO_TO_FILEBROWSER;
break;
case FILE_ATTR_LNG:
splash(0, ID2P(LANG_WAIT));
if (lang_core_load(buf))
{
splash(HZ, ID2P(LANG_FAILED));
break;
}
set_file(buf, (char *)global_settings.lang_file,
MAX_FILENAME);
talk_init(); /* use voice of same language */
viewportmanager_theme_changed(THEME_LANGUAGE);
settings_apply_skins();
splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
break;
#ifdef HAVE_LCD_BITMAP
case FILE_ATTR_FONT:
ft_load_font(buf);
break;
case FILE_ATTR_KBD:
splash(0, ID2P(LANG_WAIT));
if (!load_kbd(buf))
splash(HZ, ID2P(LANG_KEYBOARD_LOADED));
set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
break;
#endif
#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
/* firmware file */
case FILE_ATTR_MOD:
splash(0, ID2P(LANG_WAIT));
audio_hard_stop();
rolo_load(buf);
break;
#endif
/* plugin file */
case FILE_ATTR_ROCK:
case FILE_ATTR_LUA:
{
char *plugin = buf, *argument = NULL, lua_path[MAX_PATH];
int ret;
if ((file->attr & FILE_ATTR_MASK) == FILE_ATTR_LUA) {
snprintf(lua_path, sizeof(lua_path)-1, "%s/lua.rock", VIEWERS_DIR); /* Use a #define here ? */
plugin = lua_path;
argument = buf;
}
if (global_settings.party_mode && audio_status()) {
splash(HZ, ID2P(LANG_PARTY_MODE));
break;
}
ret = plugin_load(plugin, argument);
switch (ret)
{
case PLUGIN_GOTO_WPS:
play = true;
break;
case PLUGIN_USB_CONNECTED:
if(*c->dirfilter > NUM_FILTER_MODES)
/* leave sub-browsers after usb, doing
otherwise might be confusing to the user */
rc = GO_TO_ROOT;
else
rc = GO_TO_FILEBROWSER;
break;
/*
case PLUGIN_ERROR:
case PLUGIN_OK:
*/
default:
break;
}
break;
}
case FILE_ATTR_CUE:
display_cuesheet_content(buf);
break;
default:
{
const char* plugin;
if (global_settings.party_mode && audio_status()) {
splash(HZ, ID2P(LANG_PARTY_MODE));
break;
}
plugin = filetype_get_plugin(file);
if (plugin)
{
switch (plugin_load(plugin,buf))
{
case PLUGIN_USB_CONNECTED:
rc = GO_TO_FILEBROWSER;
break;
case PLUGIN_GOTO_WPS:
rc = GO_TO_WPS;
break;
/*
case PLUGIN_OK:
case PLUGIN_ERROR:
*/
default:
break;
}
}
break;
}
}
if ( play ) {
/* the resume_index must always be the index in the
shuffled list in case shuffle is enabled */
global_status.resume_index = start_index;
global_status.resume_offset = 0;
status_save();
rc = GO_TO_WPS;
}
else {
if (*c->dirfilter > NUM_FILTER_MODES &&
*c->dirfilter != SHOW_CFG &&
*c->dirfilter != SHOW_FONT &&
*c->dirfilter != SHOW_PLUGINS)
{
rc = GO_TO_ROOT;
}
}
}
return rc;
}
int ft_exit(struct tree_context* c)
{
extern char lastfile[]; /* from tree.c */
char buf[MAX_PATH];
int rc = 0;
bool exit_func = false;
int i = strlen(c->currdir);
if (i>1) {
while (c->currdir[i-1]!='/')
i--;
strcpy(buf,&c->currdir[i]);
if (i==1)
c->currdir[i]=0;
else
c->currdir[i-1]=0;
if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
exit_func = true;
c->dirlevel--;
if ( c->dirlevel < MAX_DIR_LEVELS )
c->selected_item=c->selected_item_history[c->dirlevel];
else
c->selected_item=0;
/* if undefined position */
if (c->selected_item == -1)
strcpy(lastfile, buf);
}
else
{
if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
exit_func = true;
}
if (exit_func)
rc = 3;
return rc;
}
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