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rockbox/apps/filetypes.c
Thomas Martitz baa070cca6 GSoC/Buflib: Enable compaction in buflib. 
This enables the ability to allocate (and free) memory dynamically
without fragmentation, through compaction. This means allocations can move
and fragmentation be reduced. Most changes are preparing Rockbox for this,
which many times means adding a move callback which can temporarily disable
movement when the corresponding code is in a critical section.

For now, the audio buffer allocation has a central role, because it's the one
having allocated most. This buffer is able to shrink itself, for which it
needs to stop playback for a very short moment. For this,
audio_buffer_available() returns the size of the audio buffer which can
possibly be used by other allocations because the audio buffer can shrink.

lastfm scrobbling and timestretch can now be toggled at runtime without
requiring a reboot.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30381 a1c6a512-1295-4272-9138-f99709370657
2011-08-30 14:01:45 +00:00

599 lines
18 KiB
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
*
* $Id$
*
* Copyright (C) 2007 Jonathan Gordon
*
* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include "string.h"
#include <ctype.h>
#include "settings.h"
#include "debug.h"
#include "lang.h"
#include "kernel.h"
#include "plugin.h"
#include "filetypes.h"
#include "screens.h"
#include "dir.h"
#include "file.h"
#include "splash.h"
#include "core_alloc.h"
#include "icons.h"
#include "logf.h"
/* max filetypes (plugins & icons stored here) */
#if CONFIG_CODEC == SWCODEC
#define MAX_FILETYPES 192
#else
#define MAX_FILETYPES 128
#endif
/* max viewer plugins */
#ifdef HAVE_LCD_BITMAP
#define MAX_VIEWERS 56
#else
#define MAX_VIEWERS 24
#endif
/* a table for the known file types */
static const struct filetype inbuilt_filetypes[] = {
{ "mp3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mp2", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mpa", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
#if CONFIG_CODEC == SWCODEC
/* Temporary hack to allow playlist creation */
{ "mp1", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "ogg", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "oga", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "wma", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "wmv", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "asf", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "wav", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "flac",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "ac3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "a52", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mpc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "wv", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "m4a", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "m4b", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mp4", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mod", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "shn", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "aif", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "aiff",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "spx" ,FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "sid", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "adx", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "nsf", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "nsfe",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "spc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "ape", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mac", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "sap" ,FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "rm", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "ra", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "rmvb",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "cmc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "cm3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "cmr", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "cms", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "dmc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "dlt", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mpt", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mpd", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "rmt", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "tmc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "tm8", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "tm2", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "oma", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "aa3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "at3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "mmf", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "au", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "snd", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "vox", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "w64", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "tta", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "ay", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "gbs", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "hes", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "sgc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "vgm", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "vgz", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
{ "kss", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
#endif
{ "m3u", FILE_ATTR_M3U, Icon_Playlist, LANG_PLAYLIST },
{ "m3u8",FILE_ATTR_M3U, Icon_Playlist, LANG_PLAYLIST },
{ "cfg", FILE_ATTR_CFG, Icon_Config, VOICE_EXT_CFG },
{ "wps", FILE_ATTR_WPS, Icon_Wps, VOICE_EXT_WPS },
#ifdef HAVE_REMOTE_LCD
{ "rwps",FILE_ATTR_RWPS, Icon_Wps, VOICE_EXT_RWPS },
#endif
#if CONFIG_TUNER
{ "fmr", FILE_ATTR_FMR, Icon_Preset, LANG_FMR },
{ "fms", FILE_ATTR_FMS, Icon_Wps, VOICE_EXT_FMS },
#endif
{ "lng", FILE_ATTR_LNG, Icon_Language, LANG_LANGUAGE },
{ "rock",FILE_ATTR_ROCK,Icon_Plugin, VOICE_EXT_ROCK },
{ "lua", FILE_ATTR_LUA, Icon_Plugin, VOICE_EXT_ROCK },
#ifdef HAVE_LCD_BITMAP
{ "fnt", FILE_ATTR_FONT,Icon_Font, VOICE_EXT_FONT },
{ "kbd", FILE_ATTR_KBD, Icon_Keyboard, VOICE_EXT_KBD },
#endif
{ "bmark",FILE_ATTR_BMARK, Icon_Bookmark, VOICE_EXT_BMARK },
{ "cue", FILE_ATTR_CUE, Icon_Bookmark, VOICE_EXT_CUESHEET },
#ifdef HAVE_LCD_BITMAP
{ "sbs", FILE_ATTR_SBS, Icon_Wps, VOICE_EXT_SBS },
#endif
#ifdef HAVE_REMOTE_LCD
{ "rsbs", FILE_ATTR_RSBS, Icon_Wps, VOICE_EXT_RSBS },
#if CONFIG_TUNER
{ "rfms", FILE_ATTR_RFMS, Icon_Wps, VOICE_EXT_RFMS },
#endif
#endif
#ifdef BOOTFILE_EXT
{ BOOTFILE_EXT, FILE_ATTR_MOD, Icon_Firmware, VOICE_EXT_AJZ },
#endif
#ifdef BOOTFILE_EXT2
{ BOOTFILE_EXT2, FILE_ATTR_MOD, Icon_Firmware, VOICE_EXT_AJZ },
#endif
};
void tree_get_filetypes(const struct filetype** types, int* count)
{
*types = inbuilt_filetypes;
*count = sizeof(inbuilt_filetypes) / sizeof(*inbuilt_filetypes);
}
#define ROCK_EXTENSION "rock"
struct file_type {
enum themable_icons icon; /* the icon which shall be used for it, NOICON if unknown */
unsigned char attr; /* FILE_ATTR_MASK >> 8 */
char* plugin; /* Which plugin to use, NULL if unknown, or builtin */
char* extension; /* NULL for none */
};
static struct file_type filetypes[MAX_FILETYPES];
static int custom_filetype_icons[MAX_FILETYPES];
static bool custom_icons_loaded = false;
#ifdef HAVE_LCD_COLOR
static int custom_colors[MAX_FILETYPES+1];
#endif
/* index array to filetypes used in open with list. */
static int viewers[MAX_VIEWERS];
static int filetype_count = 0;
static unsigned char highest_attr = 0;
static int viewer_count = 0;
static int strdup_handle, strdup_bufsize, strdup_cur_idx;
static int move_callback(int handle, void* current, void* new)
{
/*could compare to strdup_handle, but ops is only used once */
(void)handle;
size_t diff = new - current;
#define FIX_PTR(x) \
{ if ((void*)x > current && (void*)x < (current+strdup_bufsize)) x+= diff; }
for(int i = 0; i < filetype_count; i++)
{
FIX_PTR(filetypes[i].extension);
FIX_PTR(filetypes[i].plugin);
}
return BUFLIB_CB_OK;
}
static struct buflib_callbacks ops = {
.move_callback = move_callback,
.shrink_callback = NULL,
};
static char *filetypes_strdup(char* string)
{
char *buffer = core_get_data(strdup_handle) + strdup_cur_idx;
strdup_cur_idx += strlcpy(buffer, string, strdup_bufsize-strdup_cur_idx)+1;
return buffer;
}
static char *filetypes_store_plugin(char *plugin, int n)
{
int i;
/* if the plugin is in the list already, use it. */
for (i=0; i<viewer_count; i++)
{
if (!strcmp(filetypes[viewers[i]].plugin, plugin))
return filetypes[viewers[i]].plugin;
}
/* otherwise, allocate buffer */
if (viewer_count < MAX_VIEWERS)
viewers[viewer_count++] = n;
return filetypes_strdup(plugin);
}
static int find_extension(const char* extension)
{
int i;
if (!extension)
return -1;
for (i=1; i<filetype_count; i++)
{
if (filetypes[i].extension &&
!strcasecmp(extension, filetypes[i].extension))
return i;
}
return -1;
}
static void read_builtin_types(void);
static void read_config(int fd);
#ifdef HAVE_LCD_COLOR
/* Colors file format is similar to icons:
* ext:hex_color
* load a colors file from a theme with:
* filetype colours: filename.colours */
void read_color_theme_file(void) {
char buffer[MAX_PATH];
int fd;
char *ext, *color;
int i;
for (i = 0; i < MAX_FILETYPES+1; i++) {
custom_colors[i] = -1;
}
snprintf(buffer, MAX_PATH, THEME_DIR "/%s.colours",
global_settings.colors_file);
fd = open(buffer, O_RDONLY);
if (fd < 0)
return;
while (read_line(fd, buffer, MAX_PATH) > 0)
{
if (!settings_parseline(buffer, &ext, &color))
continue;
if (!strcasecmp(ext, "folder"))
{
hex_to_rgb(color, &custom_colors[0]);
continue;
}
if (!strcasecmp(ext, "???"))
{
hex_to_rgb(color, &custom_colors[MAX_FILETYPES]);
continue;
}
i = find_extension(ext);
if (i >= 0)
hex_to_rgb(color, &custom_colors[i]);
}
close(fd);
}
#endif
#ifdef HAVE_LCD_BITMAP
void read_viewer_theme_file(void)
{
char buffer[MAX_PATH];
int fd;
char *ext, *icon;
int i;
global_status.viewer_icon_count = 0;
custom_icons_loaded = false;
custom_filetype_icons[0] = Icon_Folder;
for (i=1; i<filetype_count; i++)
{
custom_filetype_icons[i] = filetypes[i].icon;
}
snprintf(buffer, MAX_PATH, "%s/%s.icons", ICON_DIR,
global_settings.viewers_icon_file);
fd = open(buffer, O_RDONLY);
if (fd < 0)
return;
while (read_line(fd, buffer, MAX_PATH) > 0)
{
if (!settings_parseline(buffer, &ext, &icon))
continue;
i = find_extension(ext);
if (i >= 0)
{
if (*icon == '*')
custom_filetype_icons[i] = atoi(icon+1);
else if (*icon == '-')
custom_filetype_icons[i] = Icon_NOICON;
else if (*icon >= '0' && *icon <= '9')
{
int number = atoi(icon);
if (number > global_status.viewer_icon_count)
global_status.viewer_icon_count++;
custom_filetype_icons[i] = Icon_Last_Themeable + number;
}
}
}
close(fd);
custom_icons_loaded = true;
}
#endif
void filetype_init(void)
{
/* set the directory item first */
filetypes[0].extension = NULL;
filetypes[0].plugin = NULL;
filetypes[0].attr = 0;
filetypes[0].icon = Icon_Folder;
/* estimate bufsize with the filesize, will not be larger */
viewer_count = 0;
filetype_count = 1;
int fd = open(VIEWERS_CONFIG, O_RDONLY);
if (fd < 0)
return;
strdup_bufsize = filesize(fd);
strdup_handle = core_alloc_ex("filetypes", strdup_bufsize, &ops);
if (strdup_handle <= 0)
return;
read_builtin_types();
read_config(fd);
#ifdef HAVE_LCD_BITMAP
read_viewer_theme_file();
#endif
#ifdef HAVE_LCD_COLOR
read_color_theme_file();
#endif
close(fd);
core_shrink(strdup_handle, core_get_data(strdup_handle), strdup_cur_idx);
}
/* remove all white spaces from string */
static void rm_whitespaces(char* str)
{
char *s = str;
while (*str)
{
if (!isspace(*str))
{
*s = *str;
s++;
}
str++;
}
*s = '\0';
}
static void read_builtin_types(void)
{
int count = sizeof(inbuilt_filetypes)/sizeof(*inbuilt_filetypes), i;
for(i=0; i<count && (filetype_count < MAX_FILETYPES); i++)
{
filetypes[filetype_count].extension = inbuilt_filetypes[i].extension;
filetypes[filetype_count].plugin = NULL;
filetypes[filetype_count].attr = inbuilt_filetypes[i].tree_attr>>8;
if (filetypes[filetype_count].attr > highest_attr)
highest_attr = filetypes[filetype_count].attr;
filetypes[filetype_count].icon = inbuilt_filetypes[i].icon;
filetype_count++;
}
}
static void read_config(int fd)
{
char line[64], *s, *e;
char *extension, *plugin;
/* config file is in the format
<extension>,<plugin>,<icon code>
ignore line if either of the first two are missing */
while (read_line(fd, line, sizeof line) > 0)
{
if (filetype_count >= MAX_FILETYPES)
{
splash(HZ, ID2P(LANG_FILETYPES_FULL));
break;
}
rm_whitespaces(line);
/* get the extension */
s = line;
e = strchr(s, ',');
if (!e)
continue;
*e = '\0';
extension = s;
/* get the plugin */
s = e+1;
e = strchr(s, ',');
if (!e)
continue;
*e = '\0';
plugin = s;
/* ok, store this plugin/extension, check icon after */
struct file_type *file_type = &filetypes[filetype_count];
file_type->extension = filetypes_strdup(extension);
file_type->plugin = filetypes_store_plugin(plugin, filetype_count);
file_type->attr = highest_attr +1;
file_type->icon = Icon_Questionmark;
highest_attr++;
/* get the icon */
s = e+1;
if (*s == '*')
file_type->icon = atoi(s+1);
else if (*s == '-')
file_type->icon = Icon_NOICON;
else if (*s >= '0' && *s <= '9')
file_type->icon = Icon_Last_Themeable + atoi(s);
filetype_count++;
}
close(fd);
}
int filetype_get_attr(const char* file)
{
char *extension = strrchr(file, '.');
int i;
if (!extension)
return 0;
extension++;
i = find_extension(extension);
if (i >= 0)
return (filetypes[i].attr<<8)&FILE_ATTR_MASK;
return 0;
}
static int find_attr(int attr)
{
int i;
/* skip the directory item */
if ((attr & ATTR_DIRECTORY)==ATTR_DIRECTORY)
return 0;
for (i=1; i<filetype_count; i++)
{
if ((attr>>8) == filetypes[i].attr)
return i;
}
return -1;
}
#ifdef HAVE_LCD_COLOR
int filetype_get_color(const char * name, int attr)
{
char *extension;
int i;
if ((attr & ATTR_DIRECTORY)==ATTR_DIRECTORY)
return custom_colors[0];
extension = strrchr(name, '.');
if (!extension)
return custom_colors[MAX_FILETYPES];
extension++;
i = find_extension(extension);
if (i >= 0)
return custom_colors[i];
return custom_colors[MAX_FILETYPES];
}
#endif
int filetype_get_icon(int attr)
{
int index = find_attr(attr);
if (index < 0)
return Icon_NOICON;
if (custom_icons_loaded)
return custom_filetype_icons[index];
return filetypes[index].icon;
}
char* filetype_get_plugin(const struct entry* file)
{
static char plugin_name[MAX_PATH];
int index = find_attr(file->attr);
if (index < 0)
return NULL;
if (filetypes[index].plugin == NULL)
return NULL;
snprintf(plugin_name, MAX_PATH, "%s/%s.%s",
PLUGIN_DIR, filetypes[index].plugin, ROCK_EXTENSION);
return plugin_name;
}
bool filetype_supported(int attr)
{
return find_attr(attr) >= 0;
}
/**** Open With Screen ****/
struct cb_data {
const char *current_file;
};
static enum themable_icons openwith_get_icon(int selected_item, void * data)
{
(void)data;
return filetypes[viewers[selected_item]].icon;
}
static const char* openwith_get_name(int selected_item, void * data,
char * buffer, size_t buffer_len)
{
(void)data; (void)buffer; (void)buffer_len;
const char *s = strrchr(filetypes[viewers[selected_item]].plugin, '/');
if (s)
return s+1;
else return filetypes[viewers[selected_item]].plugin;
}
static int openwith_action_callback(int action, struct gui_synclist *lists)
{
struct cb_data *info = (struct cb_data *)lists->data;
int i;
if (action == ACTION_STD_OK)
{
char plugin[MAX_PATH];
i = viewers[gui_synclist_get_sel_pos(lists)];
snprintf(plugin, MAX_PATH, "%s/%s.%s",
PLUGIN_DIR, filetypes[i].plugin, ROCK_EXTENSION);
plugin_load(plugin, info->current_file);
return ACTION_STD_CANCEL;
}
return action;
}
int filetype_list_viewers(const char* current_file)
{
struct simplelist_info info;
struct cb_data data = { current_file };
#ifndef HAVE_LCD_BITMAP
if (viewer_count == 0)
{
/* FIX: translation! */
splash(HZ*2, "No viewers found");
return PLUGIN_OK;
}
#endif
simplelist_info_init(&info, str(LANG_ONPLAY_OPEN_WITH), viewer_count, &data);
info.action_callback = openwith_action_callback;
info.get_name = openwith_get_name;
info.get_icon = global_settings.show_icons?openwith_get_icon:NULL;
return simplelist_show_list(&info);
}
int filetype_load_plugin(const char* plugin, char* file)
{
int i;
char plugin_name[MAX_PATH];
char *s;
for (i=0;i<filetype_count;i++)
{
if (filetypes[i].plugin)
{
s = strrchr(filetypes[i].plugin, '/');
if (s)
{
if (!strcmp(s+1, plugin))
break;
}
else if (!strcmp(filetypes[i].plugin, plugin))
break;
}
}
if (i >= filetype_count)
return PLUGIN_ERROR;
snprintf(plugin_name, MAX_PATH, "%s/%s.%s",
PLUGIN_DIR, filetypes[i].plugin, ROCK_EXTENSION);
return plugin_load(plugin_name, file);
}
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