1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2004 by Jörg Hohensohn
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 * A tool to generate the Rockbox "voicefont", a collection of all the UI
23 * Details at http://www.rockbox.org/twiki/bin/view/Main/VoiceBuilding
25 ****************************************************************************/
27 #include "voicefont.h"
32 #define HEADER_SIZE 20
34 /* endian conversion macros */
35 #if defined(__BIG_ENDIAN__)
39 #define SWAP2(x) ((((unsigned)(x)>>8) & 0x00ff) | (((unsigned)(x)<<8) & 0xff00))
40 #define SWAP4(x) ((((unsigned)(x)>>24) & 0x000000ff) |\
41 (((unsigned)(x)>>8) & 0x0000ff00) |\
42 (((unsigned)(x)<<8) & 0x00ff0000) |\
43 (((unsigned)(x)<<24) & 0xff000000))
46 /* bitswap audio bytes, LSB becomes MSB and vice versa */
47 int BitswapAudio (unsigned char* pDest
, unsigned char* pSrc
, size_t len
)
49 static const unsigned char Lookup
[256] =
51 0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
52 0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
53 0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
54 0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
55 0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
56 0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
57 0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
58 0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
59 0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
60 0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
61 0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
62 0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
63 0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
64 0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
65 0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
66 0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
70 *pDest
++ = Lookup
[*pSrc
++];
75 int voicefont(FILE* voicefontids
,int targetnum
,char* filedir
, FILE* output
)
80 /* two tables, one for normal strings, one for voice-only (>0x8000) */
81 static char names
[1000][80]; /* worst-case space */
82 char name
[80]; /* one string ID */
83 static int pos
[1000]; /* position of sample */
84 static int size
[1000]; /* length of clip */
85 int voiceonly
[1000]; /* flag if this is voice only */
87 int count_voiceonly
= 0;
88 unsigned int value
; /* value to be written to file */
89 static unsigned char buffer
[65535]; /* clip buffer, allow only 64K */
91 char line
[255]; /* one line from the .lang file */
92 char mp3filename1
[1024];
93 char mp3filename2
[1024];
97 int do_bitswap_audio
= 0;
100 /* We bitswap the voice file only SH based archos players, target IDs
101 equal to or lower than 8. See the target_id line for each target in
103 target_id
= targetnum
;
105 do_bitswap_audio
= 1;
107 memset(voiceonly
, 0, sizeof(voiceonly
));
108 while (!feof(voicefontids
))
110 fgets(line
, sizeof(line
), voicefontids
);
111 if (line
[0] == '#') /* comment */
114 fields
= sscanf(line
, " id: %s", name
);
117 count
++; /* next entry started */
118 strcpy(names
[count
-1], name
);
119 if (strncmp("VOICE_", name
, 6) == 0) /* voice-only id? */
120 voiceonly
[count
-1] = 1;
124 fclose(voicefontids
);
126 fseek(output
, HEADER_SIZE
+ count
*8, SEEK_SET
); /* space for header */
128 for (i
=0; i
<count
; i
++)
130 if (voiceonly
[i
] == 1)
133 pos
[i
] = ftell(output
);
134 sprintf(mp3filename1
, "%s%s.mp3", filedir
, names
[i
]);
135 sprintf(mp3filename2
, "%s%s.wav.mp3", filedir
, names
[i
]);
136 mp3filename
= mp3filename1
;
137 pMp3File
= fopen(mp3filename
, "rb");
138 if (pMp3File
== NULL
)
139 { /* alternatively, try the lame default filename */
140 mp3filename
= mp3filename2
;
141 pMp3File
= fopen(mp3filename
, "rb");
142 if (pMp3File
== NULL
)
144 printf("mp3 file %s not found!\n", mp3filename1
);
149 printf("processing %s", mp3filename
);
151 size
[i
] = fread(buffer
, 1, sizeof(buffer
), pMp3File
);
153 if (do_bitswap_audio
)
154 BitswapAudio(buffer
, buffer
, size
[i
]);
155 fwrite(buffer
, 1, size
[i
], output
);
157 printf(": %d %s %d\n", i
, names
[i
], size
[i
]); /* debug */
161 fseek(output
, 0, SEEK_SET
);
163 /* Create the file format: */
165 /* 1st 32 bit value in the file is the version number */
166 value
= SWAP4(400); /* 4.00 */
167 fwrite(&value
, sizeof(value
), 1, output
);
169 /* 2nd 32 bit value in the file is the id number for the target
170 we made the voce file for */
171 value
= SWAP4(targetnum
);
172 fwrite(&value
, sizeof(value
), 1, output
);
174 /* 3rd 32 bit value in the file is the header size (= 1st table position) */
175 value
= SWAP4(HEADER_SIZE
); /* version, target id, header size, number1, number2 */
176 fwrite(&value
, sizeof(value
), 1, output
);
178 /* 4th 32 bit value in the file is the number of clips in 1st table */
179 value
= SWAP4(count
-count_voiceonly
);
180 fwrite(&value
, sizeof(value
), 1, output
);
182 /* 5th bit value in the file is the number of clips in 2nd table */
183 value
= SWAP4(count_voiceonly
);
184 fwrite(&value
, sizeof(value
), 1, output
);
186 /* then followed by offset/size pairs for each clip */
187 for (j
=0; j
<2; j
++) /* now 2 tables */
189 for (i
=0; i
<count
; i
++)
191 if (j
== 0) /* first run, skip the voice only ones */
193 if (voiceonly
[i
] == 1)
196 else /* second run, skip the non voice only ones */
198 if (!voiceonly
[i
] == 1)
202 value
= SWAP4(pos
[i
]); /* position */
203 fwrite(&value
, sizeof(value
), 1,output
);
204 value
= SWAP4(size
[i
]); /* size */
205 fwrite(&value
, sizeof(value
), 1, output
);
211 * after this the actual bitswapped mp3 data follows,
212 * which we already have written, see above.
222 int main (int argc
, char** argv
)
228 printf("Makes a Rockbox voicefont from a collection of mp3 clips.\n");
229 printf("Usage: voicefont <string id list file> <target id> <mp3 path> <output file>\n");
231 printf("Example: \n");
232 printf("voicefont voicefontids.txt 2 voice\\ voicefont.bin\n");
236 ids
= fopen(argv
[1], "r");
239 printf("Error opening language file %s\n", argv
[1]);
243 output
= fopen(argv
[4], "wb");
246 printf("Error opening output file %s\n", argv
[4]);
250 voicefont(ids
, atoi(argv
[2]),argv
[3],output
);