1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Alexandre Bourget
*
* Plugin to transform a Rockbox produced m3u playlist into something
* understandable by the picky original iRiver firmware.
*
* Based on sort.c by the Rockbox team.
*
* 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 "plugin.h"
PLUGIN_HEADER
static struct plugin_api* rb;
int buf_size;
static char *filename;
static int readsize;
static char *stringbuffer;
static char crlf[2] = "\r\n";
int read_buffer(int offset)
{
int fd;
fd = rb->open(filename, O_RDONLY);
if(fd < 0)
return 10 * fd - 1;
/* Fill the buffer from the file */
rb->lseek(fd, offset, SEEK_SET);
readsize = rb->read(fd, stringbuffer, buf_size);
rb->close(fd);
if(readsize < 0)
return readsize * 10 - 2;
if(readsize == buf_size)
return buf_size; /* File too big */
return 0;
}
static int write_file(void)
{
char tmpfilename[MAX_PATH+1];
int fd;
int rc;
char *buf_ptr;
char *str_begin;
/* Create a temporary file */
rb->snprintf(tmpfilename, MAX_PATH+1, "%s.tmp", filename);
fd = rb->creat(tmpfilename, O_WRONLY);
if(fd < 0)
return 10 * fd - 1;
/* Let's make sure it always writes CR/LF and not only LF */
buf_ptr = stringbuffer;
str_begin = stringbuffer;
do {
/* Transform slashes into backslashes */
if(*buf_ptr == '/')
*buf_ptr = '\\';
if((*buf_ptr == '\r') || (*buf_ptr == '\n')) {
/* We have no complete string ? It's only a leading \n or \r ? */
if (!str_begin)
continue;
/* Terminate string */
*buf_ptr = 0;
/* Write our new string */
rc = rb->write(fd, str_begin, rb->strlen(str_begin));
if(rc < 0) {
rb->close(fd);
return 10 * rc - 2;
}
/* Write CR/LF */
rc = rb->write(fd, crlf, 2);
if(rc < 0) {
rb->close(fd);
return 10 * rc - 3;
}
/* Reset until we get a new line */
str_begin = NULL;
}
else {
/* We start a new line here */
if (!str_begin)
str_begin = buf_ptr;
}
/* Next char, until ... */
} while(buf_ptr++ < stringbuffer + readsize);
rb->close(fd);
/* Remove the original file */
rc = rb->remove(filename);
if(rc < 0) {
return 10 * rc - 4;
}
/* Replace the old file with the new */
rc = rb->rename(tmpfilename, filename);
if(rc < 0) {
return 10 * rc - 5;
}
return 0;
}
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
char *buf;
int rc;
filename = (char *)parameter;
rb = api;
buf = rb->plugin_get_audio_buffer(&buf_size); /* start munching memory */
stringbuffer = buf;
rb->lcd_clear_display();
rb->splash(0, true, "Converting...");
rc = read_buffer(0);
if(rc == 0) {
rb->lcd_clear_display();
rb->splash(0, true, "Writing...");
rc = write_file();
if(rc < 0) {
rb->lcd_clear_display();
rb->splash(HZ, true, "Can't write file: %d", rc);
} else {
rb->lcd_clear_display();
rb->splash(HZ, true, "Done");
}
} else {
if(rc < 0) {
rb->lcd_clear_display();
rb->splash(HZ, true, "Can't read file: %d", rc);
} else {
rb->lcd_clear_display();
rb->splash(HZ, true, "The file is too big");
}
}
return PLUGIN_OK;
}
|
