Storing CD-TEXT as cdtext.dat with cdrskin option -toc -vv, reporting with -vvv

cdrskin/cdrskin.1

@@ -2,7 +2,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH CDRSKIN 1 "Jul 28, 2011"
+.TH CDRSKIN 1 "Dec 02, 2011"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -766,6 +766,15 @@ The output contains all info from option -atip plus lines which begin with
 "track:", the track number, the word "lba:" and a number which gives the
 start address of the track. Addresses are counted in CD sectors which with
 SAO or TAO data tracks hold 2048 bytes each.
+.br
+If verbosity is set to level 2 (-v -v) then the CD-TEXT packs from the lead-in
+of an audio CD gets extracted and written into file 'cdtext.dat', if that file
+does not yet exist. Prepended is a 4 byte header, followed by one or more
+packs of 18 bytes each.
+.br
+Verbosity level 3 causes the CD-TEXT packs to be printed as hex numbers to
+standard output. Bytes 4 to 15 of certain pack types are printed as ASCII
+characters if they have values in the range of 32 to 126.
 .RS
 .TP
 Example. Retrieve an afio archive from track number 2:
@@ -798,7 +807,7 @@ then the track on media gets truncated to the predicted size and cdrskin exits
 with non-zero value.
 .TP
 .BI \-v
-Increment verbose level by one. Startlevel is 0 with only few messages.
+Increment verbosity level by one. Startlevel is 0 with only few messages.
 Level 1 prints progress report with long running operations and also causes
 some extra lines to be put out with info retrieval options. 
 Level 2 additionally reports about option settings derived from arguments or

cdrskin/cdrskin.c

@@ -4585,6 +4585,78 @@ int Cdrskin_obtain_nwa(struct CdrskiN *skin, int *nwa, int flag)
 }
 
 
+/* @param flag bit0-3= source of text packs:
+                        0= CD Lead-in
+*/
+int Cdrskin_print_text_packs(struct CdrskiN *skin, unsigned char *text_packs,
+                             int num_packs, int flag)
+{
+ int i, j, from;
+ char *from_text= "";
+ unsigned char *pack;
+
+ from= flag & 15;
+ if(from == 0)
+   from_text= " from CD Lead-in";
+ printf("CD-TEXT data%s:\n", from_text);
+ for(i= 0; i < num_packs; i++) {
+   pack= text_packs + 18 * i;
+   printf("%3d :", i);
+   for(j= 0; j < 18; j++) {
+     if(j >= 4 && j <= 15 && pack[j] >= 32 && pack[j] <= 126 &&
+        pack[0] != 0x88 && pack[0] != 0x89 && pack[0] != 0x8f)
+       printf("  %c",  pack[j]);
+     else
+       printf(" %2.2x", pack[j]);
+   }
+   printf("\n");
+ }
+ return(1);
+}
+
+
+int Cdrskin_store_text_packs(struct CdrskiN *skin, unsigned char *text_packs,
+                             int num_packs, int flag)
+{
+ int data_length, ret;
+ struct stat stbuf;
+ FILE *fp;
+ unsigned char fake_head[4];
+
+ if(stat("cdtext.dat", &stbuf) != -1) {
+   fprintf(stderr, "cdrskin: SORRY : Will not overwrite file 'cdtext.dat'\n");
+   return(0);
+ }
+ fp= fopen("cdtext.dat", "w");
+ if(fp == NULL) {
+   fprintf(stderr, "cdrskin: SORRY : Cannot open file 'cdtext.dat' for storing extracted CD-TEXT\n");
+   fprintf(stderr, "cdrskin: %s (errno=%d)\n", strerror(errno), errno);
+   return(0);
+ }
+ data_length= num_packs * 18 + 2;
+ fake_head[0]= (data_length >> 8) & 0xff;
+ fake_head[1]= data_length & 0xff;
+ fake_head[2]= fake_head[3]= 0;
+ ret= fwrite(fake_head, 4, 1, fp);
+ if(ret != 1) {
+write_failure:;
+   fprintf(stderr,
+           "cdrskin: SORRY : Cannot write all data to file 'cdtext.dat'\n");
+   fprintf(stderr, "cdrskin: %s (errno=%d)\n", strerror(errno), errno);
+   fclose(fp);
+   return(0);
+ }
+ ret= fwrite(text_packs, data_length - 2, 1, fp);
+ if(ret != 1)
+   goto write_failure;
+ fprintf(stderr,
+    "cdrskin: NOTE : Wrote header and %d CD-TEXT bytes to file 'cdtext.dat'\n",
+         data_length - 2);
+ fclose(fp);
+ return(1);
+}
+
+
 /** Perform -toc under control of Cdrskin_atip().
     @param flag Bitfield for control purposes:
                 bit0= do not list sessions separately (do it cdrecord style)
@@ -4593,7 +4665,7 @@ int Cdrskin_obtain_nwa(struct CdrskiN *skin, int *nwa, int flag)
 int Cdrskin_toc(struct CdrskiN *skin, int flag)
 {
  int num_sessions= 0,num_tracks= 0,lba= 0,track_count= 0,total_tracks= 0;
- int session_no, track_no, pmin, psec, pframe, ret;
+ int session_no, track_no, pmin, psec, pframe, ret, final_ret= 1;
  struct burn_drive *drive;
  struct burn_disc *disc= NULL;
  struct burn_session **sessions;
@@ -4602,6 +4674,8 @@ int Cdrskin_toc(struct CdrskiN *skin, int flag)
  enum burn_disc_status s;
  char profile_name[80];
  int profile_number;
+ unsigned char *text_packs= NULL;
+ int num_packs= 0;
 
  drive= skin->drives[skin->driveno].drive;
 
@@ -4685,6 +4759,19 @@ int Cdrskin_toc(struct CdrskiN *skin, int flag)
    printf(" mode: -1\n");
  }
 
+ if(skin->verbosity >= Cdrskin_verbose_cmD) {
+   ret= burn_disc_get_leadin_text(drive, &text_packs, &num_packs, 0);
+   if(ret > 0 && num_packs > 0) {
+     if(skin->verbosity >= Cdrskin_verbose_debuG)
+       Cdrskin_print_text_packs(skin, text_packs, num_packs, 0);
+     ret= Cdrskin_store_text_packs(skin, text_packs, num_packs, 0);
+     free(text_packs);
+     if(ret <= 0 && ret < final_ret)
+       final_ret= ret;
+   }
+ }
+
+
 summary:
  ret= burn_disc_get_profile(drive, &profile_number, profile_name);
  if(ret <= 0)
@@ -4703,7 +4790,7 @@ summary:
    burn_disc_free(disc);
  if(s == BURN_DISC_EMPTY)
    return(0);
- return(1);
+ return(final_ret);
 cannot_read:;
  fprintf(stderr,"cdrecord_emulation: Cannot read TOC header\n");
  fprintf(stderr,"cdrecord_emulation: Cannot read TOC/PMA\n");
@@ -5120,10 +5207,10 @@ int Cdrskin_atip(struct CdrskiN *skin, int flag)
 
  ret= 1;
  if(flag&1)
-   Cdrskin_toc(skin, !(flag & 2));
+   ret= Cdrskin_toc(skin, !(flag & 2));
                        /*cdrecord seems to ignore -toc errors if -atip is ok */
- if(flag & 4)
-   Cdrskin_minfo(skin, 0);
+ if(ret > 0 && (flag & 4))
+   ret= Cdrskin_minfo(skin, 0);
 
 ex:;
  if(manuf != NULL)

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2011.12.02.171436"
+#define Cdrskin_timestamP "2011.12.02.171710"