From 782067545b643436feadef6b6e0a87da91778a97 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Sat, 29 Sep 2007 22:18:34 +0000
Subject: [PATCH] Added optional code for a pseudo CD-RW to test the code for
 MMC multi-session

---
 libisoburn/trunk/src/burn_wrap.c | 34 ++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/libisoburn/trunk/src/burn_wrap.c b/libisoburn/trunk/src/burn_wrap.c
index c147a01d..983eb67e 100644
--- a/libisoburn/trunk/src/burn_wrap.c
+++ b/libisoburn/trunk/src/burn_wrap.c
@@ -9,6 +9,12 @@
    Copyright 2007 Thomas Schmitt, <scdbackup@gmx.net> 
 */
 
+/* <<< A70929 : hardcoded CD-RW with fabricated -msinfo = 0,1600
+#define Hardcoded_cd_rW 1
+#define Hardcoded_cd_rw_c1       0
+#define Hardcoded_cd_rw_nwA   1600
+*/
+
 
 #include <stdio.h>
 #include <ctype.h>
@@ -60,6 +66,14 @@ static int isoburn_welcome_media(struct isoburn **o, struct burn_drive *d,
  ret= isoburn_create_data_source(*o);
  if(ret<=0)
    goto ex;
+
+#ifdef Hardcoded_cd_rW
+ /* <<< A70929 : hardcoded CD-RW with fabricated -msinfo */
+ caps->start_adr= 0;
+ (*o)->fabricated_disc_status= BURN_DISC_APPENDABLE;
+ /* is not set with MMC multi-session: (*o)->nwa= Hardcoded_cd_rw_nwA; */
+#endif
+
  if(caps->start_adr) {         /* set emulation to overwriteable */
    (*o)->emulation_mode= 1;
    ret= isoburn_start_emulation(*o, 0);
@@ -214,6 +228,12 @@ int isoburn_disc_get_msc1(struct burn_drive *d, int *start_lba)
  int ret;
  struct isoburn *o;
 
+#ifdef Hardcoded_cd_rW
+ /* <<< A70929 : hardcoded CD-RW with fabricated -msinfo */
+ *start_lba= Hardcoded_cd_rw_c1;
+ return(1);
+#endif
+
  if(isoburn_disc_get_status(d)!=BURN_DISC_APPENDABLE)
    return(0);
  ret= isoburn_find_emulator(&o, d, 0);
@@ -234,6 +254,13 @@ int isoburn_disc_track_lba_nwa(struct burn_drive *d,
  int ret;
  struct isoburn *o;
 
+#ifdef Hardcoded_cd_rW
+ /* <<< A70929 : hardcoded CD-RW with fabricated -msinfo */
+ *lba= Hardcoded_cd_rw_c1;
+ *nwa= Hardcoded_cd_rw_nwA;
+ return(1);
+#endif
+
  ret= isoburn_find_emulator(&o, d, 0);
  if(ret<0)
    return(0);
@@ -264,6 +291,13 @@ void isoburn_disc_write(struct burn_write_opts *opts, struct burn_disc *disc)
    }
  }
  burn_write_opts_set_multi(opts, multi);
+
+#ifdef Hardcoded_cd_rW
+ /* <<< A70929 : hardcoded CD-RW with fabricated -msinfo */
+ burn_write_opts_set_start_byte(opts,
+				 ((off_t) Hardcoded_cd_rw_nwA) * (off_t) 2048);
+#endif
+
  burn_disc_write(opts, disc);
 }