Initial commit

Makefile

@@ -0,0 +1,3 @@
+all: decode recode
+decode:
+recode:

decode.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+
+// decode a pioneer .LNG file (old format with 16 bit index)
+
+int main(int argc,char *argv[]) {
+	FILE *f;
+	int i;
+	f=fopen(argv[1],"rb");
+	fseek(f,0x40,SEEK_SET);
+	short nstrings;
+	int offset=0;
+	int next=0;
+	short ch;
+	fread(&nstrings, 2, 1, f);
+	nstrings=nstrings-3;
+	for(i=0;i<nstrings;i++) {
+		fseek(f,0x40+i*2,SEEK_SET);
+		offset=0;
+		fread(&offset, 2, 1, f);
+		offset=offset*2+0x40;
+		next=0;
+		fread(&next, 2, 1, f);
+		next=next*2+0x40;
+		ch=1;
+		putchar('"');
+		putchar(0);
+		fseek(f,offset,SEEK_SET);
+		while(offset<next-2) {
+			fread(&ch,1,1,f);
+			offset++;
+			putchar(ch&255);
+		}
+                putchar('"');
+                putchar(0);
+		putchar(13);
+		putchar(0);
+                putchar(10);
+                putchar(0);
+	}
+	printf("%d strings\n",nstrings);
+}

recode.c

@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <string.h>
+
+void readstring(FILE *f, char *p) {
+	char c;
+	c=fgetc(f);
+	if(c!='\"')
+		puts("ERRRRRRRR");
+	while((c=fgetc(f))!='"' && !feof(f))
+		*p++=c;
+	*p++=0;
+	while((c=fgetc(f))!=10 && !feof(f));
+}
+
+
+int main(int argc,char *argv[]) {
+	char data[200000];
+	char st[10240];
+        FILE *f,*g;
+        int i;
+	unsigned *id=(unsigned *) data; 
+	id[0]=0xa55a5aa5;
+	id[1]=0x01000001;
+	id[2]=0x39304650;
+	id[3]=0x45504a30;
+	id[4]=0;
+	id[5]=0;
+	id[6]=0;// len
+	id[7]=0x40;
+	id[8]=0;//last
+	id[9]=0xaaaaaa02;
+	id[10]=0xaaaaaaaa;
+	id[11]=0xaaaaaaaa;
+        id[12]=0xaaaaaaaa;
+        id[13]=0xaaaaaaaa;
+        id[14]=0xaaaaaaaa;
+        id[15]=0xaaaaaaaa;
+
+        g=fopen("translated.txt","rb");
+	f=fopen("PF090JPENG.LNG","rb");
+	int start=0x40;
+	unsigned short *idx=(unsigned short *)(data+0x40);
+        fseek(f,0x40,SEEK_SET);
+        short nstrings;
+        int offset=0;
+        int next=0;
+        short ch;
+        fread(&nstrings, 2, 1, f);
+        nstrings=nstrings-3;
+	unsigned short *strptr=idx+nstrings;
+	int off=0x40+(nstrings+3)*2;
+	int ntrans=0;
+        for(i=0;i<nstrings;i++) {
+/*
+                fseek(f,0x40+i*2,SEEK_SET);
+                offset=0;
+                fread(&offset, 2, 1, f);
+                offset=offset*2+0x40;
+                next=0;
+                fread(&next, 2, 1, f);
+                next=next*2+0x40;
+                ch=1;
+                putchar('"');
+                fseek(f,offset,SEEK_SET);
+                while(offset<next-2) {
+                        fread(&ch,2,1,f);
+                        offset+=2;
+                        putchar(ch&127);
+                }
+                putchar('"');
+                putchar(10);
+*/
+		readstring(g,st);
+		puts(st);
+		idx[i]=(off-0x40)/2;
+		if((off-0x40)/2>65535)
+			printf("Error index too large %x\n",(off-0x40)/2);
+		int j=0;
+		for(j=0;st[j]!=0;j++) {
+			data[off++]=st[j];
+			data[off++]=0;
+		}
+		data[off++]=0;
+		data[off++]=0;
+        }
+      idx[i]=(off-0x40)/2;
+      id[8]=off;
+      strcpy(data+off,"RG_VOICE_DATA");
+      off+=strlen("RG_VOICE_DATA");
+      data[off++]=0xf1; // this looks like a checksum at the end of the file but
+      data[off++]=0x8d; // it doesn't seem to matter if it's wrong
+      id[6]=off;
+      printf("%d strings\n",nstrings);
+      f=fopen("PF090JPJPN.LNG","wb");
+      fwrite(data,off,1,f);
+      fclose(f);
+}
+