219 lines
7.5 KiB
C
219 lines
7.5 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2004 by J<EFBFBD>rg Hohensohn
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* A tool to generate the Rockbox "voicefont", a collection of all the UI
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* strings.
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*
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* Details at http://www.rockbox.org/twiki/bin/view/Main/VoiceBuilding
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*
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****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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/* endian conversion macros */
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#define SWAP2(x) ((((unsigned)(x)>>8) & 0x00ff) | (((unsigned)(x)<<8) & 0xff00))
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#define SWAP4(x) ((((unsigned)(x)>>24) & 0x000000ff) |\
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(((unsigned)(x)>>8) & 0x0000ff00) |\
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(((unsigned)(x)<<8) & 0x00ff0000) |\
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(((unsigned)(x)<<24) & 0xff000000))
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/* bitswap audio bytes, LSB becomes MSB and vice versa */
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int BitswapAudio (unsigned char* pDest, unsigned char* pSrc, size_t len)
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{
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static const unsigned char Lookup[256] =
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{
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0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
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0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
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0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
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0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
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0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
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0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
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0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
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0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
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0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
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0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
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0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
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0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
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0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
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0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
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0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
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0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
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};
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while (len--)
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*pDest++ = Lookup[*pSrc++];
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return 0;
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}
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int main (int argc, char** argv)
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{
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FILE* pFile;
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int i,j;
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/* two tables, one for normal strings, one for voice-only (>0x8000) */
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static char names[1000][80]; /* worst-case space */
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char name[80]; /* one string ID */
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static int pos[1000]; /* position of sample */
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static int size[1000]; /* length of clip */
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int voiceonly[1000]; /* flag if this is voice only */
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int count = 0;
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int count_voiceonly = 0;
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unsigned int value; /* value to be written to file */
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static unsigned char buffer[65535]; /* clip buffer, allow only 64K */
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int fields;
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char line[255]; /* one line from the .lang file */
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char mp3filename1[1024];
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char mp3filename2[1024];
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char* mp3filename;
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FILE* pMp3File;
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if (argc < 2)
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{
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printf("Makes a Rockbox voicefont from a collection of mp3 clips.\n");
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printf("Usage: voicefont <language file> <mp3 path> <output file>\n");
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printf("\n");
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printf("Example: \n");
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printf("voicefont english.lang voice\\ voicefont.bin\n");
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return -1;
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}
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pFile = fopen(argv[1], "r");
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if (pFile == NULL)
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{
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printf("Error opening language file %s\n", argv[1]);
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return -2;
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}
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memset(voiceonly, 0, sizeof(voiceonly));
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while (!feof(pFile))
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{
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fgets(line, sizeof(line), pFile);
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if (line[0] == '#') /* comment */
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continue;
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fields = sscanf(line, " id: %s", name);
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if (fields == 1)
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{
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count++; /* next entry started */
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strcpy(names[count-1], name);
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if (strncmp("VOICE_", name, 6) == 0) /* voice-only id? */
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voiceonly[count-1] = 1;
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continue;
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}
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}
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fclose(pFile);
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pFile = fopen(argv[3], "wb");
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if (pFile == NULL)
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{
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printf("Error opening output file %s\n", argv[3]);
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return -2;
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}
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fseek(pFile, 16 + count*8, SEEK_SET); /* space for header */
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for (i=0; i<count; i++)
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{
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if (voiceonly[i] == 1)
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count_voiceonly++;
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pos[i] = ftell(pFile);
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sprintf(mp3filename1, "%s%s.mp3", argv[2], names[i]);
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sprintf(mp3filename2, "%s%s.wav.mp3", argv[2], names[i]);
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mp3filename = mp3filename1;
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pMp3File = fopen(mp3filename, "rb");
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if (pMp3File == NULL)
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{ /* alternatively, try the lame default filename */
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mp3filename = mp3filename2;
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pMp3File = fopen(mp3filename, "rb");
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if (pMp3File == NULL)
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{
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printf("mp3 file %s not found!\n", mp3filename1);
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size[i] = 0;
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continue;
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}
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}
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printf("processing %s\n", mp3filename);
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size[i] = fread(buffer, 1, sizeof(buffer), pMp3File);
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fclose(pMp3File);
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BitswapAudio(buffer, buffer, size[i]);
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fwrite(buffer, 1, size[i], pFile);
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printf("%d %s %d\n", i, names[i], size[i]); /* debug */
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} /* for i */
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fseek(pFile, 0, SEEK_SET);
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/* Create the file format: */
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/* 1st 32 bit value in the file is the version number */
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value = SWAP4(200); /* 2.00 */
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fwrite(&value, sizeof(value), 1, pFile);
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/* 2nd 32 bit value in the file is the header size (= 1st table position) */
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value = SWAP4(16); /* 16 bytes: for version, header size, number1, number2 */
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fwrite(&value, sizeof(value), 1, pFile);
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/* 3rd 32 bit value in the file is the number of clips in 1st table */
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value = SWAP4(count-count_voiceonly);
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fwrite(&value, sizeof(value), 1, pFile);
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/* 4th bit value in the file is the number of clips in 2nd table */
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value = SWAP4(count_voiceonly);
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fwrite(&value, sizeof(value), 1, pFile);
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/* then followed by offset/size pairs for each clip */
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for (j=0; j<2; j++) /* now 2 tables */
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{
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for (i=0; i<count; i++)
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{
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if (j == 0) /* first run, skip the voice only ones */
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{
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if (voiceonly[i] == 1)
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continue;
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}
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else /* second run, skip the non voice only ones */
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{
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if (!voiceonly[i] == 1)
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continue;
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}
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value = SWAP4(pos[i]); /* position */
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fwrite(&value, sizeof(value), 1, pFile);
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value = SWAP4(size[i]); /* size */
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fwrite(&value, sizeof(value), 1, pFile);
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} /* for i */
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} /* for j */
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/*
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* after this the actual bitswapped mp3 data follows,
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* which we already have written, see above.
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*/
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fclose(pFile);
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return 0;
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}
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