From de33492cded23b758e7d85225f5122fa1c56a694 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Wed, 20 Dec 2006 17:05:33 +0000
Subject: [PATCH] Corrected DVD+RW track number and nwa with 52h READ TRACK
 INFORMATION

---
 cdrskin/cdrskin_timestamp.h |  2 +-
 libburn/mmc.c               | 15 ++++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/cdrskin/cdrskin_timestamp.h b/cdrskin/cdrskin_timestamp.h
index c695f2c..7333225 100644
--- a/cdrskin/cdrskin_timestamp.h
+++ b/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2006.12.20.145222"
+#define Cdrskin_timestamP "2006.12.20.170502"
diff --git a/libburn/mmc.c b/libburn/mmc.c
index de89faa..37bde51 100644
--- a/libburn/mmc.c
+++ b/libburn/mmc.c
@@ -135,9 +135,12 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
 	c.oplen = sizeof(MMC_TRACK_INFO);
 	memcpy(c.opcode, MMC_TRACK_INFO, sizeof(MMC_TRACK_INFO));
 	c.opcode[1] = 1;
-	if(trackno<=0)
-		c.opcode[5] = 0xFF;
-	else
+	if(trackno<=0) {
+		if (d->current_profile = 0x1a) /* DVD+RW */
+			c.opcode[5] = 1;
+		else /* mmc5r03c.pdf: valid only for CD, DVD+R, DVD+R DL */
+			c.opcode[5] = 0xFF;
+	} else
 		c.opcode[5] = trackno;
 	c.page = &buf;
 	c.dir = FROM_DRIVE;
@@ -148,8 +151,10 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
 		+ (data[10] << 8) + data[11];
 	*nwa = (data[12] << 24) + (data[13] << 16)
 		+ (data[14] << 8) + data[15];
-	/* ts A61106 :  MMC-1 Table 142 : NWA_V = NWA Valid Flag */
-	if (!(data[7]&1)) {
+	if (d->current_profile = 0x1a) { /* DVD+RW */
+		*nwa = *nwa = 0;
+	} else if (!(data[7]&1)) {
+		/* ts A61106 :  MMC-1 Table 142 : NWA_V = NWA Valid Flag */
 		libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
 			   LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
 			   "mmc_get_nwa: Track Info Block: NWA_V == 0", 0, 0);