Interpreting CDRWIN command FLAGS

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2012.01.01.124424"
+#define Cdrskin_timestamP "2012.01.01.124645"

doc/cdtext.txt

@@ -643,18 +643,21 @@ CATALOG 1234567890123
 FILE "cdtext.bin" BINARY
 TITLE "Joyful Nights"
   TRACK 01 AUDIO
+    FLAGS DCP 4CH PRE
     TITLE "Song of Joy"
     PERFORMER "Felix and The Purrs"
     SONGWRITER "Friedrich Schiller"
     ISRC XYBLG1101234
     INDEX 01 00:00:00
   TRACK 02 AUDIO
+    FLAGS DCP
     TITLE "Humpty Dumpty"
     PERFORMER "Catwalk Beauties"
     SONGWRITER "Mother Goose"
     ISRC XYBLG1100005
     INDEX 01 08:20:12
   TRACK 03 AUDIO
+    FLAGS DCP
     TITLE "Mee Owwww"
     PERFORMER "Mia Kitten"
     SONGWRITER "Mia Kitten"
@@ -665,13 +668,13 @@ TITLE "Joyful Nights"
 
 Several restrictions apply in the libburn call burn_session_by_cue_file():
 
-Commands FLAGS, POSTGAP, PREGAP are ignored. Only FILE types BINARY, MOTOROLA
+Commands POSTGAP, PREGAP are ignored. Only FILE types BINARY, MOTOROLA are
-are allowed. Only TRACK datatypes AUDIO, MODE1/2048 are allowed. They may not
+allowed. Only TRACK datatypes AUDIO, MODE1/2048 are allowed. They may not
 be mixed in the same session. INDEX numbers 00, 02 to 99 are ignored.
 
 
 -------------------------------------------------------------------------------
-This text is copyright 2011 Thomas Schmitt <scdbackup@gmx.net>.
+This text is copyright 2011 - 2012 Thomas Schmitt <scdbackup@gmx.net>.
 Permission is granted to copy, modify, and distribute it, as long as the
 references to the original information sources are maintained.
 There is NO WARRANTY, to the extent permitted by law.

libburn/libburn.h

@@ -1,7 +1,7 @@
 /* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
 
 /* Copyright (c) 2004 - 2006 Derek Foreman, Ben Jansens
-   Copyright (c) 2006 - 2011 Thomas Schmitt <scdbackup@gmx.net>
+   Copyright (c) 2006 - 2012 Thomas Schmitt <scdbackup@gmx.net>
    Provided under GPL version 2 or later.
 
    This is the official API definition of libburn.
@@ -123,6 +123,8 @@ struct burn_write_opts;
 
 /* ts B11230 */
 /** Track mode modifier - Serial Copy Management System, SAO only
+    If this is set and BURN_COPY is not set, then copying the emerging
+    track will be forbidden.
     @since 1.2.0
 */
 #define BURN_SCMS		(1 << 13)
@@ -1862,18 +1864,19 @@ int burn_disc_remove_session(struct burn_disc *d, struct burn_session *s);
     CD-TEXT according to the content of the file.
     For a description of CDRWIN file format see
       http://digitalx.org/cue-sheet/syntax/
->>> supported commands: CATALOG CDTEXTFILE ISRC PERFORMER REM SONGWRITER TITLE
+>>> fully supported commands: CATALOG CDTEXTFILE FLAGS ISRC PERFORMER REM
+>>>                           SONGWRITER TITLE
 >>> partly supported commands: FILE INDEX TRACK 
 >>> supported FILE types: BINARY MOTOROLA
->>> supported FLAGS:
 >>> supported TRACK datatypes: AUDIO MODE1/2048
->>> ignored commands: POSTGAP PREGAP FLAGS
+>>> ignored commands: POSTGAP PREGAP
 >>> ignored INDEX numbers: 00, 02 to 99
->>> ignored FLAGS: DCP 4CH PRE SCMS
 >>> not allowed: mixing of ADUIO and MODE1/2048
 >>> not allowed: unsupported FILE types
 >>> not allowed: unsupported TRACK datatypes
 >>> 
+>>> man cdrecord documents further commands:
+>>>   ARRANGER COMPOSER MESSAGE
 >>> 
     @param session     Session where to attach tracks. It must not yet have
                        tracks or else this call will fail.

libburn/structure.c

@@ -1,6 +1,6 @@
 
 /* Copyright (c) 2004 - 2006 Derek Foreman, Ben Jansens
-   Copyright (c) 2006 - 2011 Thomas Schmitt <scdbackup@gmx.net>
+   Copyright (c) 2006 - 2012 Thomas Schmitt <scdbackup@gmx.net>
    Provided under GPL version 2 or later.
 */
 
@@ -1028,6 +1028,7 @@ struct burn_cue_file_cursor {
 	int track_has_source;
 	int block_size;
 	int block_size_locked;
+	int track_mode;
 	int flags;
 };
 
@@ -1058,6 +1059,7 @@ static int cue_crs_new(struct burn_cue_file_cursor **reply, int flag)
 	crs->track_has_source = 0;
 	crs->block_size = 0;
 	crs->block_size_locked = 0;
+	crs->track_mode = 0;
 	crs->flags = 0;
 
 	*reply = crs;
@@ -1266,7 +1268,7 @@ static int cue_interpret_line(struct burn_session *session, char *line,
 				struct burn_cue_file_cursor *crs, int flag)
 {
 	int ret, mode, index_no, minute, second, frame, file_ba, chunks;
-	int block_size;
+	int block_size, step;
 	off_t size;
 	char *cmd, *apt, *msg = NULL, msf[3], *msf_pt, *cpt, *filetype;
 	struct burn_source *src, *inp_src;
@@ -1388,8 +1390,49 @@ not_usable_file:;
 			goto ex;
 
 	} else if (strcmp(cmd, "FLAGS") == 0) {
+		if (crs->track == NULL) {
+			libdax_msgs_submit(libdax_messenger, -1, 0x00020192,
+				LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
+				"In cue sheet file: FLAGS found before TRACK",
+				0, 0);
+			ret = 0; goto ex;
+		}
+		while (*apt) {
+			if (strncmp(apt, "DCP", 3) == 0) {
+				crs->track_mode |= BURN_COPY;
+				step = 3;
+			} else if (strncmp(apt, "4CH", 3) == 0) {
+				crs->track_mode |= BURN_4CH;
+				step = 3;
+			} else if (strncmp(apt, "PRE", 3) == 0) {
+				crs->track_mode |= BURN_PREEMPHASIS;
+				step = 3;
+			} else if (strncmp(apt, "SCMS", 4) == 0) {
+				crs->track_mode |= BURN_SCMS;
+				step = 4;
+			} else {
+bad_flags:;
+				for (cpt = apt;
+				  *cpt != 32 && *cpt != 9 && *cpt != 0; cpt++);
+				*cpt = 0;
+				sprintf(msg,
+			"In cue sheet file: Unknown FLAGS option '%.4000s'",
+					apt);
+				libdax_msgs_submit(libdax_messenger, -1,
+						0x00020194,
+						LIBDAX_MSGS_SEV_FAILURE,
+						LIBDAX_MSGS_PRIO_HIGH,
+						burn_printify(msg), 0, 0);
+				ret = 0; goto ex;
+			}
 
-		/* >>> Interpret DCP 4CH PRE SCMS into crs->flags */;
+			/* Look for start of next word */
+			if (apt[step] != 0 && apt[step] != 32 &&
+			    apt[step] != 9)
+				goto bad_flags;
+			for (apt += step; *apt == 32 || *apt == 9; apt++);
+		}
+		burn_track_define_data(crs->track, 0, 0, 1, crs->track_mode);
 
 	} else if (strcmp(cmd, "INDEX") == 0) {
 		if (crs->track == NULL) {
@@ -1608,8 +1651,9 @@ overlapping_ba:;
 		if (crs->track == NULL)
 			goto out_of_mem;
 		crs->track_has_source = 0;
+		crs->track_mode = mode;
 		burn_track_define_data(crs->track, 0, 0, 1, mode);
-		if (mode == BURN_AUDIO)
+		if (mode & BURN_AUDIO)
 			burn_track_set_byte_swap(crs->track,
 						!!crs->swap_audio_bytes);