1 files changed, 218 insertions, 0 deletions

diff --git a/tools/voicefont.c b/tools/voicefont.c
new file mode 100644
index 0000000000..0a6d0a2121
--- /dev/null
+++ b/tools/voicefont.c
@@ -0,0 +1,218 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2004 by Jörg Hohensohn
+ *
+ * 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.
+ *
+ * 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 <stdio.h>
+#include <string.h>
+
+/* endian conversion macros */
+#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))
+
+
+/* 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 main (int argc, char** argv)
+{
+    FILE* pFile;
+
+    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;
+
+
+    if (argc < 2)
+    {
+        printf("Makes a Rockbox voicefont from a collection of mp3 clips.\n");
+        printf("Usage: voicefont <language file> <mp3 path> <output file>\n");
+        printf("\n");
+        printf("Example: \n");
+        printf("voicefont english.lang voice\\ voicefont.bin\n");
+        return -1;
+    }
+    
+    pFile = fopen(argv[1], "r");
+    if (pFile == NULL)
+    {
+        printf("Error opening language file %s\n", argv[1]);
+        return -2;
+    }
+    
+    memset(voiceonly, 0, sizeof(voiceonly));
+    while (!feof(pFile))
+    {
+        fgets(line, sizeof(line), pFile);
+        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(pFile);
+
+    pFile = fopen(argv[3], "wb");
+    if (pFile == NULL)
+    {
+        printf("Error opening output file %s\n", argv[3]);
+        return -2;
+    }
+    fseek(pFile, 16 + count*8, SEEK_SET); /* space for header */
+
+    for (i=0; i<count; i++)
+    {
+        if (voiceonly[i] == 1)
+            count_voiceonly++;
+        
+        pos[i] = ftell(pFile);
+        sprintf(mp3filename1, "%s%s.mp3", argv[2], names[i]);
+        sprintf(mp3filename2, "%s%s.wav.mp3", argv[2], 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);
+        BitswapAudio(buffer, buffer, size[i]);
+        fwrite(buffer, 1, size[i], pFile);
+
+        printf("%d %s %d\n", i, names[i], size[i]); /* debug */
+    } /*  for i */
+
+
+    fseek(pFile, 0, SEEK_SET);
+
+    /* Create the file format: */
+
+    /* 1st 32 bit value in the file is the version number    */
+    value = SWAP4(200); /* 2.00 */
+    fwrite(&value, sizeof(value), 1, pFile);
+
+    /* 2nd 32 bit value in the file is the header size (= 1st table position) */
+    value = SWAP4(16); /* 16 bytes: for version, header size, number1, number2 */
+    fwrite(&value, sizeof(value), 1, pFile);
+
+    /* 3rd 32 bit value in the file is the number of clips in 1st table   */
+    value = SWAP4(count-count_voiceonly);
+    fwrite(&value, sizeof(value), 1, pFile);
+
+    /*  4th bit value in the file is the number of clips in 2nd table */
+    value = SWAP4(count_voiceonly);
+    fwrite(&value, sizeof(value), 1, pFile);
+
+    /* 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, pFile);
+            value = SWAP4(size[i]); /* size */
+            fwrite(&value, sizeof(value), 1, pFile);
+        } /* for i */
+    } /* for j */
+
+
+    /*
+     * after this the actual bitswapped mp3 data follows,
+     * which we already have written, see above.
+     */
+
+    fclose(pFile);
+
+    return 0;
+}