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rockbox/tools/voicefont.c
Dominik Riebeling efeb43b341 Make voicefont produce proper files on big endian machines. 
Voicefont writes most data as integer values which need bitswapping depending
on the architecture. Fixes voicefont creating invalid files on OS X PPC.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25160 a1c6a512-1295-4272-9138-f99709370657
2010-03-13 23:34:19 +00:00

254 lines
8.5 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2004 by Jörg Hohensohn
*
* 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.
*
* A tool to generate the Rockbox "voicefont", a collection of all the UI
* strings.
*
* Details at http://www.rockbox.org/twiki/bin/view/Main/VoiceBuilding
*
****************************************************************************/
#include "voicefont.h"
#include <stdio.h>
#include <string.h>
#define HEADER_SIZE 20
/* endian conversion macros */
#if defined(__BIG_ENDIAN__)
#define SWAP2(x) (x)
#define SWAP4(x) (x)
#else
#define SWAP2(x) ((((unsigned)(x)>>8) & 0x00ff) | (((unsigned)(x)<<8) & 0xff00))
#define SWAP4(x) ((((unsigned)(x)>>24) & 0x000000ff) |\
(((unsigned)(x)>>8) & 0x0000ff00) |\
(((unsigned)(x)<<8) & 0x00ff0000) |\
(((unsigned)(x)<<24) & 0xff000000))
#endif
/* bitswap audio bytes, LSB becomes MSB and vice versa */
int BitswapAudio (unsigned char* pDest, unsigned char* pSrc, size_t len)
{
static const unsigned char Lookup[256] =
{
0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
};
while (len--)
*pDest++ = Lookup[*pSrc++];
return 0;
}
int voicefont(FILE* voicefontids,int targetnum,char* filedir, FILE* output)
{
int i,j;
/* two tables, one for normal strings, one for voice-only (>0x8000) */
static char names[1000][80]; /* worst-case space */
char name[80]; /* one string ID */
static int pos[1000]; /* position of sample */
static int size[1000]; /* length of clip */
int voiceonly[1000]; /* flag if this is voice only */
int count = 0;
int count_voiceonly = 0;
unsigned int value; /* value to be written to file */
static unsigned char buffer[65535]; /* clip buffer, allow only 64K */
int fields;
char line[255]; /* one line from the .lang file */
char mp3filename1[1024];
char mp3filename2[1024];
char* mp3filename;
FILE* pMp3File;
int target_id;
int do_bitswap_audio = 0;
/* We bitswap the voice file only SH based archos players, target IDs
equal to or lower than 8. See the target_id line for each target in
configure */
target_id = targetnum;
if (target_id <= 8)
do_bitswap_audio = 1;
memset(voiceonly, 0, sizeof(voiceonly));
while (!feof(voicefontids))
{
fgets(line, sizeof(line), voicefontids);
if (line[0] == '#') /* comment */
continue;
fields = sscanf(line, " id: %s", name);
if (fields == 1)
{
count++; /* next entry started */
strcpy(names[count-1], name);
if (strncmp("VOICE_", name, 6) == 0) /* voice-only id? */
voiceonly[count-1] = 1;
continue;
}
}
fclose(voicefontids);
fseek(output, HEADER_SIZE + count*8, SEEK_SET); /* space for header */
for (i=0; i<count; i++)
{
if (voiceonly[i] == 1)
count_voiceonly++;
pos[i] = ftell(output);
sprintf(mp3filename1, "%s%s.mp3", filedir, names[i]);
sprintf(mp3filename2, "%s%s.wav.mp3", filedir, names[i]);
mp3filename = mp3filename1;
pMp3File = fopen(mp3filename, "rb");
if (pMp3File == NULL)
{ /* alternatively, try the lame default filename */
mp3filename = mp3filename2;
pMp3File = fopen(mp3filename, "rb");
if (pMp3File == NULL)
{
printf("mp3 file %s not found!\n", mp3filename1);
size[i] = 0;
continue;
}
}
printf("processing %s\n", mp3filename);
size[i] = fread(buffer, 1, sizeof(buffer), pMp3File);
fclose(pMp3File);
if (do_bitswap_audio)
BitswapAudio(buffer, buffer, size[i]);
fwrite(buffer, 1, size[i], output);
printf("%d %s %d\n", i, names[i], size[i]); /* debug */
} /* for i */
fseek(output, 0, SEEK_SET);
/* Create the file format: */
/* 1st 32 bit value in the file is the version number */
value = SWAP4(400); /* 4.00 */
fwrite(&value, sizeof(value), 1, output);
/* 2nd 32 bit value in the file is the id number for the target
we made the voce file for */
value = SWAP4(targetnum);
fwrite(&value, sizeof(value), 1, output);
/* 3rd 32 bit value in the file is the header size (= 1st table position) */
value = SWAP4(HEADER_SIZE); /* version, target id, header size, number1, number2 */
fwrite(&value, sizeof(value), 1, output);
/* 4th 32 bit value in the file is the number of clips in 1st table */
value = SWAP4(count-count_voiceonly);
fwrite(&value, sizeof(value), 1, output);
/* 5th bit value in the file is the number of clips in 2nd table */
value = SWAP4(count_voiceonly);
fwrite(&value, sizeof(value), 1, output);
/* then followed by offset/size pairs for each clip */
for (j=0; j<2; j++) /* now 2 tables */
{
for (i=0; i<count; i++)
{
if (j == 0) /* first run, skip the voice only ones */
{
if (voiceonly[i] == 1)
continue;
}
else /* second run, skip the non voice only ones */
{
if (!voiceonly[i] == 1)
continue;
}
value = SWAP4(pos[i]); /* position */
fwrite(&value, sizeof(value), 1,output);
value = SWAP4(size[i]); /* size */
fwrite(&value, sizeof(value), 1, output);
} /* for i */
} /* for j */
/*
* after this the actual bitswapped mp3 data follows,
* which we already have written, see above.
*/
fclose(output);
return 0;
}
#ifndef RBUTIL
int main (int argc, char** argv)
{
FILE *ids, *output;
if (argc < 2)
{
printf("Makes a Rockbox voicefont from a collection of mp3 clips.\n");
printf("Usage: voicefont <string id list file> <target id> <mp3 path> <output file>\n");
printf("\n");
printf("Example: \n");
printf("voicefont voicefontids.txt 2 voice\\ voicefont.bin\n");
return -1;
}
ids = fopen(argv[1], "r");
if (ids == NULL)
{
printf("Error opening language file %s\n", argv[1]);
return -2;
}
output = fopen(argv[4], "wb");
if (output == NULL)
{
printf("Error opening output file %s\n", argv[4]);
return -2;
}
voicefont(ids, atoi(argv[2]),argv[3],output);
return 0;
}
#endif
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