Imported Upstream version 1.1.11upstream/1.1.11upstream

1 files changed, 421 insertions, 0 deletions

diff --git a/icedax/cd_text.c b/icedax/cd_text.c
new file mode 100644
index 0000000..6e93b13
--- /dev/null
+++ b/icedax/cd_text.c
@@ -0,0 +1,421 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)cd_text.c	1.5 03/12/31 Copyright 2000-2001 Heiko Eissfeldt */
+
+/* This is an include file! */
+/**************** CD-Text special treatment **********************************/
+
+typedef struct {
+	unsigned char headerfield[4];
+	unsigned char textdatafield[12];
+	unsigned char crcfield[2];
+} cdtextpackdata;
+
+static unsigned short crctab[1<<8] = { /* as calculated by initcrctab() */
+    0x0000,  0x1021,  0x2042,  0x3063,  0x4084,  0x50a5,  0x60c6,  0x70e7,
+    0x8108,  0x9129,  0xa14a,  0xb16b,  0xc18c,  0xd1ad,  0xe1ce,  0xf1ef,
+    0x1231,  0x0210,  0x3273,  0x2252,  0x52b5,  0x4294,  0x72f7,  0x62d6,
+    0x9339,  0x8318,  0xb37b,  0xa35a,  0xd3bd,  0xc39c,  0xf3ff,  0xe3de,
+    0x2462,  0x3443,  0x0420,  0x1401,  0x64e6,  0x74c7,  0x44a4,  0x5485,
+    0xa56a,  0xb54b,  0x8528,  0x9509,  0xe5ee,  0xf5cf,  0xc5ac,  0xd58d,
+    0x3653,  0x2672,  0x1611,  0x0630,  0x76d7,  0x66f6,  0x5695,  0x46b4,
+    0xb75b,  0xa77a,  0x9719,  0x8738,  0xf7df,  0xe7fe,  0xd79d,  0xc7bc,
+    0x48c4,  0x58e5,  0x6886,  0x78a7,  0x0840,  0x1861,  0x2802,  0x3823,
+    0xc9cc,  0xd9ed,  0xe98e,  0xf9af,  0x8948,  0x9969,  0xa90a,  0xb92b,
+    0x5af5,  0x4ad4,  0x7ab7,  0x6a96,  0x1a71,  0x0a50,  0x3a33,  0x2a12,
+    0xdbfd,  0xcbdc,  0xfbbf,  0xeb9e,  0x9b79,  0x8b58,  0xbb3b,  0xab1a,
+    0x6ca6,  0x7c87,  0x4ce4,  0x5cc5,  0x2c22,  0x3c03,  0x0c60,  0x1c41,
+    0xedae,  0xfd8f,  0xcdec,  0xddcd,  0xad2a,  0xbd0b,  0x8d68,  0x9d49,
+    0x7e97,  0x6eb6,  0x5ed5,  0x4ef4,  0x3e13,  0x2e32,  0x1e51,  0x0e70,
+    0xff9f,  0xefbe,  0xdfdd,  0xcffc,  0xbf1b,  0xaf3a,  0x9f59,  0x8f78,
+    0x9188,  0x81a9,  0xb1ca,  0xa1eb,  0xd10c,  0xc12d,  0xf14e,  0xe16f,
+    0x1080,  0x00a1,  0x30c2,  0x20e3,  0x5004,  0x4025,  0x7046,  0x6067,
+    0x83b9,  0x9398,  0xa3fb,  0xb3da,  0xc33d,  0xd31c,  0xe37f,  0xf35e,
+    0x02b1,  0x1290,  0x22f3,  0x32d2,  0x4235,  0x5214,  0x6277,  0x7256,
+    0xb5ea,  0xa5cb,  0x95a8,  0x8589,  0xf56e,  0xe54f,  0xd52c,  0xc50d,
+    0x34e2,  0x24c3,  0x14a0,  0x0481,  0x7466,  0x6447,  0x5424,  0x4405,
+    0xa7db,  0xb7fa,  0x8799,  0x97b8,  0xe75f,  0xf77e,  0xc71d,  0xd73c,
+    0x26d3,  0x36f2,  0x0691,  0x16b0,  0x6657,  0x7676,  0x4615,  0x5634,
+    0xd94c,  0xc96d,  0xf90e,  0xe92f,  0x99c8,  0x89e9,  0xb98a,  0xa9ab,
+    0x5844,  0x4865,  0x7806,  0x6827,  0x18c0,  0x08e1,  0x3882,  0x28a3,
+    0xcb7d,  0xdb5c,  0xeb3f,  0xfb1e,  0x8bf9,  0x9bd8,  0xabbb,  0xbb9a,
+    0x4a75,  0x5a54,  0x6a37,  0x7a16,  0x0af1,  0x1ad0,  0x2ab3,  0x3a92,
+    0xfd2e,  0xed0f,  0xdd6c,  0xcd4d,  0xbdaa,  0xad8b,  0x9de8,  0x8dc9,
+    0x7c26,  0x6c07,  0x5c64,  0x4c45,  0x3ca2,  0x2c83,  0x1ce0,  0x0cc1,
+    0xef1f,  0xff3e,  0xcf5d,  0xdf7c,  0xaf9b,  0xbfba,  0x8fd9,  0x9ff8,
+    0x6e17,  0x7e36,  0x4e55,  0x5e74,  0x2e93,  0x3eb2,  0x0ed1,  0x1ef0,
+    };
+
+#define SUBSIZE	18*8
+
+static unsigned short updcrc(unsigned int p_crc, register unsigned char *cp,
+       							  register size_t cnt);
+
+static unsigned short updcrc(unsigned int p_crc, register unsigned char *cp, 
+                             register size_t cnt)
+{
+      register unsigned short crc = (unsigned short)p_crc;
+      while( cnt-- ) {
+            crc = (crc<<8) ^ crctab[(crc>>(16-8)) ^ (*cp++)];
+      }
+      return( crc );
+}
+
+static unsigned short calcCRC(unsigned char *buf, unsigned bsize);
+
+static unsigned short calcCRC(unsigned char *buf, unsigned bsize)
+{
+      return updcrc( 0x0, (unsigned char *)buf, bsize );
+}
+
+static unsigned char    fliptab[8] = {
+        0x01,
+        0x02,
+        0x04,
+        0x08,
+        0x10,
+        0x20,
+        0x40,
+        0x80,
+};
+
+static int flip_error_corr(unsigned char *b, int crc);
+
+static int flip_error_corr(unsigned char *b, int crc)
+{
+  if (crc != 0) {
+    int i;
+    for (i = 0; i < SUBSIZE; i++) {
+      char      c;
+
+      c = fliptab[i%8];
+      b[i / 8] ^= c;
+      if ((crc = calcCRC(b, SUBSIZE/8)) == 0) {
+        return crc;
+      }
+      b[i / 8] ^= c;
+    }
+  }
+  return crc & 0xffff;
+}
+
+
+static int cdtext_crc_ok(cdtextpackdata *c);
+
+static int cdtext_crc_ok(cdtextpackdata *c)
+{
+	int crc;
+	int retval;
+
+	c->crcfield[0] ^= 0xff;
+	c->crcfield[1] ^= 0xff;
+	crc = calcCRC(((unsigned char *)c), 18);
+	retval = (0 == flip_error_corr((unsigned char *)c, crc));
+	c->crcfield[0] ^= 0xff;
+	c->crcfield[1] ^= 0xff;
+#if	0
+          fprintf(stderr, "%02x %02x %02x %02x  ",
+                          c->headerfield[0], c->headerfield[1], c->headerfield[2], c->headerfield[3]);
+          fprintf(stderr,
+"%c %c %c %c %c %c %c %c %c %c %c %c  "
+                        , c->textdatafield[0]
+                        , c->textdatafield[1]
+                        , c->textdatafield[2]
+                        , c->textdatafield[3]
+                        , c->textdatafield[4]
+                        , c->textdatafield[5]
+                        , c->textdatafield[6]
+                        , c->textdatafield[7]
+                        , c->textdatafield[8]
+                        , c->textdatafield[9]
+                        , c->textdatafield[10]
+                        , c->textdatafield[11]
+                 );
+          fprintf(stderr, "%02x %02x \n"
+                        , c->crcfield[0]
+                        , c->crcfield[1]
+		);
+#endif
+	return retval;
+}
+
+#define DETAILED 0
+
+#if	DETAILED
+static void dump_binary(cdtextpackdata *c);
+
+static void dump_binary(cdtextpackdata *c)
+{
+          fprintf(stderr, ": header fields %02x %02x %02x  ",
+                          c->headerfield[1], c->headerfield[2], c->headerfield[3]);
+          fprintf(stderr,
+"%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
+                        , c->textdatafield[0]
+                        , c->textdatafield[1]
+                        , c->textdatafield[2]
+                        , c->textdatafield[3]
+                        , c->textdatafield[4]
+                        , c->textdatafield[5]
+                        , c->textdatafield[6]
+                        , c->textdatafield[7]
+                        , c->textdatafield[8]
+                        , c->textdatafield[9]
+                        , c->textdatafield[10]
+                        , c->textdatafield[11]
+                 );
+}
+#endif
+
+static int process_header(cdtextpackdata *c, unsigned tracknr, int dbcc, 
+								  unsigned char *line);
+
+static int process_header(cdtextpackdata *c, unsigned tracknr, int dbcc, 
+                          unsigned char *line)
+{
+      switch ((int)c->headerfield[0]) {
+
+        case 0x80: /* Title of album or track */
+#if	DETAILED
+          fprintf (stderr, "Title");
+#endif
+	  if (tracknr > 0 && tracknr < 100
+	    && global.tracktitle[tracknr] == NULL) {
+	    unsigned len;
+
+	    len = strlen((char *)line);
+
+            if (len > 0)
+            	global.tracktitle[tracknr] = malloc(len + 1);
+            if (global.tracktitle[tracknr] != NULL) {
+               memcpy(global.tracktitle[tracknr], line, len);
+               global.tracktitle[tracknr][len] = '\0';
+            }
+          } else 
+	  if (tracknr == 0
+	    && global.disctitle == NULL) {
+	    unsigned len;
+
+	    len = strlen((char *)line);
+
+            if (len > 0)
+            	global.disctitle = malloc(len + 1);
+            if (global.disctitle != NULL) {
+               memcpy(global.disctitle, line, len);
+               global.disctitle[len] = '\0';
+            }
+	  }
+        break;
+        case 0x81: /* Name(s) of the performer(s) */
+#if	DETAILED
+          fprintf(stderr, "Performer(s)");
+#endif
+	  if (tracknr > 0 && tracknr < 100
+	    && global.trackcreator[tracknr] == NULL) {
+	    unsigned len;
+
+	    len = strlen((char *)line);
+
+            if (len > 0)
+		global.trackcreator[tracknr] = malloc(len + 1);
+
+            if (global.trackcreator[tracknr] != NULL) {
+               memcpy(global.trackcreator[tracknr], line, len);
+               global.trackcreator[tracknr][len] = '\0';
+            }
+          } else 
+	  if (tracknr == 0
+	    && global.creator == NULL) {
+	    unsigned len;
+
+	    len = strlen((char *)line);
+
+            if (len > 0)
+            	global.creator = malloc(len + 1);
+            if (global.creator != NULL) {
+               memcpy(global.creator, line, len);
+               global.creator[len] = '\0';
+            }
+	  }
+        break;
+        case 0x82: /* Name(s) of the songwriter(s) */
+#if	DETAILED
+          fprintf(stderr, "Songwriter(s)");
+#endif
+        break;
+        case 0x83: /* Name(s) of the composer(s) */
+#if	DETAILED
+          fprintf(stderr, "Composer(s)");
+#endif
+        break;
+        case 0x84: /* Name(s) of the arranger(s) */
+#if	DETAILED
+          fprintf(stderr, "Arranger(s)");
+#endif
+        break;
+        case 0x85: /* Message from content provider and/or artist */
+#if	DETAILED
+          fprintf(stderr, "Message");
+#endif
+        break;
+        case 0x86: /* Disc Identification and information */
+#if	DETAILED
+          fprintf(stderr, "Disc identification");
+#endif
+	  if (tracknr == 0 && line[0] != '\0') {
+	    fprintf(stderr, "Disc identification: %s\n", line);
+	  }
+        break;
+        case 0x87: /* Genre Identification and information */
+#if	DETAILED
+          fprintf(stderr, "Genre identification");
+#endif
+        break;
+        case 0x8e: /* UPC/EAN code or ISRC code */
+#if	DETAILED
+          fprintf(stderr, "UPC or ISRC");
+#endif
+	  if (tracknr > 0 && tracknr < 100) {
+	    Set_ISRC(tracknr, line);
+	  } else
+	  if (tracknr == 0 && line[0] != '\0') {
+	    Set_MCN(line);
+	  }
+        break;
+        case 0x88: /* Table of Content information */
+#if	DETAILED
+          fprintf(stderr, "Table of Content identification");
+	  dump_binary(c); 
+#endif
+        return 0;
+        case 0x89: /* Second Table of Content information */
+#if	DETAILED
+          fprintf(stderr, "Second Table of Content identification");
+	  dump_binary(c); 
+#endif
+        return 0;
+        case 0x8f: /* Size information of the block */
+#if	DETAILED == 0
+	  break;
+#else
+          switch (tracknr) {
+	    case 0:
+	  fprintf(stderr, "first track is %d, last track is %d\n", 
+			c->textdatafield[1],
+			c->textdatafield[2]);
+	  if (c->textdatafield[3] & 0x80) {
+		fprintf(stderr, "Program Area CD Text information available\n");
+	        if (c->textdatafield[3] & 0x40) {
+		  fprintf(stderr, "Program Area copy protection available\n");
+	        }
+	  }
+	  if (c->textdatafield[3] & 0x07) {
+		fprintf(stderr, "message information is %scopyrighted\n", 
+			c->textdatafield[3] & 0x04 ? "": "not ");
+		fprintf(stderr, "Names of performer/songwriter/composer/arranger(s) are %scopyrighted\n", 
+			c->textdatafield[3] & 0x02 ? "": "not ");
+		fprintf(stderr, "album and track names are %scopyrighted\n", 
+			c->textdatafield[3] & 0x01 ? "": "not ");
+	  }
+	  fprintf(stderr, "%d packs with album/track names\n", c->textdatafield[4]);
+	  fprintf(stderr, "%d packs with performer names\n", c->textdatafield[5]);
+	  fprintf(stderr, "%d packs with songwriter names\n", c->textdatafield[6]);
+	  fprintf(stderr, "%d packs with composer names\n", c->textdatafield[7]);
+	  fprintf(stderr, "%d packs with arranger names\n", c->textdatafield[8]);
+	  fprintf(stderr, "%d packs with artist or content provider messages\n", c->textdatafield[9]);
+	  fprintf(stderr, "%d packs with disc identification information\n", c->textdatafield[10]);
+	  fprintf(stderr, "%d packs with genre identification/information\n", c->textdatafield[11]);
+	  break;
+	case 1:
+	  fprintf(stderr, "%d packs with table of contents information\n", c->textdatafield[0]);
+	  fprintf(stderr, "%d packs with second table of contents information\n", c->textdatafield[1]);
+	  fprintf(stderr, "%d packs with reserved information\n", c->textdatafield[2]);
+	  fprintf(stderr, "%d packs with reserved information\n", c->textdatafield[3]);
+	  fprintf(stderr, "%d packs with reserved information\n", c->textdatafield[4]);
+	  fprintf(stderr, "%d packs with closed information\n", c->textdatafield[5]);
+	  fprintf(stderr, "%d packs with UPC/EAN ISRC information\n", c->textdatafield[6]);
+	  fprintf(stderr, "%d packs with size information\n", c->textdatafield[7]);
+	  fprintf(stderr, "last sequence numbers for blocks 1-8: %d %d %d %d "
+		 ,c->textdatafield[8]
+		 ,c->textdatafield[9]
+		 ,c->textdatafield[10]
+		 ,c->textdatafield[11]
+		);
+	  break;
+	case 2:
+	  fprintf(stderr, "%d %d %d %d\n"
+		 ,c->textdatafield[0]
+		 ,c->textdatafield[1]
+		 ,c->textdatafield[2]
+		 ,c->textdatafield[3]
+		);
+	  fprintf(stderr, "Language codes for blocks 1-8: %d %d %d %d %d %d %d %d\n"
+		 ,c->textdatafield[4]
+		 ,c->textdatafield[5]
+		 ,c->textdatafield[6]
+		 ,c->textdatafield[7]
+		 ,c->textdatafield[8]
+		 ,c->textdatafield[9]
+		 ,c->textdatafield[10]
+		 ,c->textdatafield[11]
+		);
+	  break;
+        }
+        fprintf(stderr, "Blocksize");
+	dump_binary(c); 
+        return 0;
+#if !defined DEBUG_CDTEXT
+        default:
+#else
+      }
+#endif
+      fprintf(stderr, ": header fields %02x %02x %02x  ",
+              c->headerfield[1], c->headerfield[2], c->headerfield[3]);
+#endif /* DETAILED */
+
+#if !defined DEBUG_CDTEXT
+      }
+#if	DETAILED
+      if (tracknr == 0) {
+            fprintf(stderr, " for album   : ->");
+      } else {
+            fprintf(stderr, " for track %2u: ->", tracknr);
+      }
+      fputs ((char *) line, stderr);
+      fputs ("<-", stderr);
+#endif
+
+      if (dbcc != 0) {
+#else
+      {
+#endif
+      /* EMPTY */
+#if	DETAILED
+          fprintf(stderr,
+"  %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
+                        , c->textdatafield[0]
+                        , c->textdatafield[1]
+                        , c->textdatafield[2]
+                        , c->textdatafield[3]
+                        , c->textdatafield[4]
+                        , c->textdatafield[5]
+                        , c->textdatafield[6]
+                        , c->textdatafield[7]
+                        , c->textdatafield[8]
+                        , c->textdatafield[9]
+                        , c->textdatafield[10]
+                        , c->textdatafield[11]
+                 );
+#endif
+      }
+      return 0;
+}