/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id$
**/
/* 2-step huffman table HCB_6 */
/* 1st step: 5 bits
* 2^5 = 32 entries
*
* Used to find offset into 2nd step table and number of extra bits to get
*/
static hcb hcb6_1[] = {
/* 4 bit codewords */
{ /* 00000 */ 0, 0 },
{ /* */ 0, 0 },
{ /* 00010 */ 1, 0 },
{ /* */ 1, 0 },
{ /* 00100 */ 2, 0 },
{ /* */ 2, 0 },
{ /* 00110 */ 3, 0 },
{ /* */ 3, 0 },
{ /* 01000 */ 4, 0 },
{ /* */ 4, 0 },
{ /* 01010 */ 5, 0 },
{ /* */ 5, 0 },
{ /* 01100 */ 6, 0 },
{ /* */ 6, 0 },
{ /* 01110 */ 7, 0 },
{ /* */ 7, 0 },
{ /* 10000 */ 8, 0 },
{ /* */ 8, 0 },
/* 6 bit codewords */
{ /* 10010 */ 9, 1 },
{ /* 10011 */ 11, 1 },
{ /* 10100 */ 13, 1 },
{ /* 10101 */ 15, 1 },
{ /* 10110 */ 17, 1 },
{ /* 10111 */ 19, 1 },
{ /* 11000 */ 21, 1 },
{ /* 11001 */ 23, 1 },
/* 7 bit codewords */
{ /* 11010 */ 25, 2 },
{ /* 11011 */ 29, 2 },
{ /* 11100 */ 33, 2 },
/* 7/8 bit codewords */
{ /* 11101 */ 37, 3 },
/* 8/9 bit codewords */
{ /* 11110 */ 45, 4 },
/* 9/10/11 bit codewords */
{ /* 11111 */ 61, 6 }
};
/* 2nd step table
*
* Gives size of codeword and actual data (x,y,v,w)
*/
static hcb_2_pair hcb6_2[] = {
/* 4 bit codewords */
{ 4, 0, 0 },
{ 4, 1, 0 },
{ 4, 0, -1 },
{ 4, 0, 1 },
{ 4, -1, 0 },
{ 4, 1, 1 },
{ 4, -1, 1 },
{ 4, 1, -1 },
{ 4, -1, -1 },
/* 6 bit codewords */
{ 6, 2, -1 },
{ 6, 2, 1 },
{ 6, -2, 1 },
{ 6, -2, -1 },
{ 6, -2, 0 },
{ 6, -1, 2 },
{ 6, 2, 0 },
{ 6, 1, -2 },
{ 6, 1, 2 },
{ 6, 0, -2 },
{ 6, -1, -2 },
{ 6, 0, 2 },
{ 6, 2, -2 },
{ 6, -2, 2 },
{ 6, -2, -2 },
{ 6, 2, 2 },
/* 7 bit codewords */
{ 7, -3, 1 },
{ 7, 3, 1 },
{ 7, 3, -1 },
{ 7, -1, 3 },
{ 7, -3, -1 },
{ 7, 1, 3 },
{ 7, 1, -3 },
{ 7, -1, -3 },
{ 7, 3, 0 },
{ 7, -3, 0 },
{ 7, 0, -3 },
{ 7, 0, 3 },
/* 7/8 bit codewords */
{ 7, 3, 2 }, { 7, 3, 2 },
{ 8, -3, -2 },
{ 8, -2, 3 },
{ 8, 2, 3 },
{ 8, 3, -2 },
{ 8, 2, -3 },
{ 8, -2, -3 },
/* 8 bit codewords */
{ 8, -3, 2 }, { 8, -3, 2 },
{ 8, 3, 3 }, { 8, 3, 3 },
{ 9, 3, -3 },
{ 9, -3, -3 },
{ 9, -3, 3 },
{ 9, 1, -4 },
{ 9, -1, -4 },
{ 9, 4, 1 },
{ 9, -4, 1 },
{ 9, -4, -1 },
{ 9, 1, 4 },
{ 9, 4, -1 },
{ 9, -1, 4 },
{ 9, 0, -4 },
/* 9/10/11 bit codewords */
{ 9, -4, 2 }, { 9, -4, 2 }, { 9, -4, 2 }, { 9, -4, 2 },
{ 9, -4, -2 }, { 9, -4, -2 }, { 9, -4, -2 }, { 9, -4, -2 },
{ 9, 2, 4 }, { 9, 2, 4 }, { 9, 2, 4 }, { 9, 2, 4 },
{ 9, -2, -4 }, { 9, -2, -4 }, { 9, -2, -4 }, { 9, -2, -4 },
{ 9, -4, 0 }, { 9, -4, 0 }, { 9, -4, 0 }, { 9, -4, 0 },
{ 9, 4, 2 }, { 9, 4, 2 }, { 9, 4, 2 }, { 9, 4, 2 },
{ 9, 4, -2 }, { 9, 4, -2 }, { 9, 4, -2 }, { 9, 4, -2 },
{ 9, -2, 4 }, { 9, -2, 4 }, { 9, -2, 4 }, { 9, -2, 4 },
{ 9, 4, 0 }, { 9, 4, 0 }, { 9, 4, 0 }, { 9, 4, 0 },
{ 9, 2, -4 }, { 9, 2, -4 }, { 9, 2, -4 }, { 9, 2, -4 },
{ 9, 0, 4 }, { 9, 0, 4 }, { 9, 0, 4 }, { 9, 0, 4 },
{ 10, -3, -4 }, { 10, -3, -4 },
{ 10, -3, 4 }, { 10, -3, 4 },
{ 10, 3, -4 }, { 10, 3, -4 },
{ 10, 4, -3 }, { 10, 4, -3 },
{ 10, 3, 4 }, { 10, 3, 4 },
{ 10, 4, 3 }, { 10, 4, 3 },
{ 10, -4, 3 }, { 10, -4, 3 },
{ 10, -4, -3 }, { 10, -4, -3 },
{ 11, 4, 4 },
{ 11, -4, 4 },
{ 11, -4, -4 },
{ 11, 4, -4 }
};
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Linus Nielsen Feltzing
*
* 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 "plugin.h"
#include "configfile.h"
static void get_cfg_filename(char* buf, int buf_len, const char* filename)
{
char *s;
rb->strcpy(buf, rb->plugin_get_current_filename());
s = rb->strrchr(buf, '/');
if (!s) /* should never happen */
{
rb->snprintf(buf, buf_len, PLUGIN_DIR "/%s", filename);
}
else
{
s++;
*s = '\0';
rb->strcat(s, filename);
}
}
int configfile_save(const char *filename, struct configdata *cfg,
int num_items, int version)
{
int fd;
int i;
char buf[MAX_PATH];
get_cfg_filename(buf, MAX_PATH, filename);
fd = rb->creat(buf, 0666);
if(fd < 0)
return fd*10 - 1;
/* pre-allocate 10 bytes for INT */
rb->fdprintf(fd, "file version: %10d\n", version);
for(i = 0;i < num_items;i++) {
switch(cfg[i].type) {
case TYPE_INT:
/* pre-allocate 10 bytes for INT */
rb->fdprintf(fd, "%s: %10d\n",
cfg[i].name,
*cfg[i].int_p);
break;
case TYPE_BOOL:
rb->fdprintf(fd, "%s: %10d\n",
cfg[i].name,
(int)*cfg[i].bool_p);
break;
case TYPE_ENUM:
rb->fdprintf(fd, "%s: %s\n",
cfg[i].name,
cfg[i].values[*cfg[i].int_p]);
break;
case TYPE_STRING:
rb->fdprintf(fd, "%s: %s\n",
cfg[i].name,
cfg[i].string);
break;
}
}
rb->close(fd);
return 0;
}
int configfile_load(const char *filename, struct configdata *cfg,
int num_items, int min_version)
{
int fd;
int i, j;
char *name;
char *val;
char buf[MAX_PATH];
int file_version = -1;
int tmp;
get_cfg_filename(buf, MAX_PATH, filename);
fd = rb->open(buf, O_RDONLY);
if(fd < 0)
return fd*10 - 1;
while(rb->read_line(fd, buf, MAX_PATH) > 0) {
rb->settings_parseline(buf, &name, &val);
/* Bail out if the file version is too old */
if(!rb->strcmp("file version", name)) {
file_version = rb->atoi(val);
if(file_version < min_version) {
rb->close(fd);
return -1;
}
}
for(i = 0;i < num_items;i++) {
if(!rb->strcmp(cfg[i].name, name)) {
switch(cfg[i].type) {
case TYPE_INT:
tmp = rb->atoi(val);
/* Only set it if it's within range */
if(tmp >= cfg[i].min && tmp <= cfg[i].max)
*cfg[i].int_p = tmp;
break;
case TYPE_BOOL:
tmp = rb->atoi(val);
*cfg[i].bool_p = (bool)tmp;
break;
case TYPE_ENUM:
for(j = 0;j < cfg[i].max;j++) {
if(!rb->strcmp(cfg[i].values[j], val)) {
*cfg[i].int_p = j;
}
}
break;
case TYPE_STRING:
rb->strlcpy(cfg[i].string, val, cfg[i].max);
break;
}
}
}
}
rb->close(fd);
return 0;
}
int configfile_get_value(const char* filename, const char* name)
{
int fd;
char *pname;
char *pval;
char buf[MAX_PATH];
get_cfg_filename(buf, MAX_PATH, filename);
fd = rb->open(buf, O_RDONLY);
if(fd < 0)
return -1;
while(rb->read_line(fd, buf, MAX_PATH) > 0)
{
rb->settings_parseline(buf, &pname, &pval);
if(!rb->strcmp(name, pname))
{
rb->close(fd);
return rb->atoi(pval);
}
}
rb->close(fd);
return -1;
}
int configfile_update_entry(const char* filename, const char* name, int val)
{
int fd;
char *pname;
char *pval;
char path[MAX_PATH];
char buf[256];
int found = 0;
int line_len = 0;
int pos = 0;
/* open the current config file */
get_cfg_filename(path, MAX_PATH, filename);
fd = rb->open(path, O_RDWR);
if(fd < 0)
return -1;
/* read in the current stored settings */
while((line_len = rb->read_line(fd, buf, 256)) > 0)
{
rb->settings_parseline(buf, &pname, &pval);
if(!rb->strcmp(name, pname))
{
found = 1;
rb->lseek(fd, pos, SEEK_SET);
/* pre-allocate 10 bytes for INT */
rb->fdprintf(fd, "%s: %10d\n", pname, val);
break;
}
pos += line_len;
}
/* if (name/val) is a new entry just append to file */
if (found == 0)
/* pre-allocate 10 bytes for INT */
rb->fdprintf(fd, "%s: %10d\n", name, val);
rb->close(fd);
return found;
}
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