Prepared configure.ac for release

Makefile.am

@@ -101,9 +101,9 @@ test_structest_CPPFLAGS = -Ilibburn
 test_structest_LDADD = $(libburn_libburn_la_OBJECTS) $(THREAD_LIBS)
 test_structest_SOURCES = test/structest.c
 
-##  cdrskin construction site - ts A60816 - A70312
+##  cdrskin construction site - ts A60816 - A70720
 cdrskin_cdrskin_CPPFLAGS = -Ilibburn
-cdrskin_cdrskin_CFLAGS = -DCdrskin_libburn_0_3_5
+cdrskin_cdrskin_CFLAGS = -DCdrskin_libburn_0_3_8
 cdrskin_cdrskin_LDADD = $(libburn_libburn_la_OBJECTS) $(THREAD_LIBS)
 cdrskin_cdrskin_SOURCES = cdrskin/cdrskin.c cdrskin/cdrfifo.c cdrskin/cdrfifo.h cdrskin/cdrskin_timestamp.h
 ##

README

@@ -127,7 +127,7 @@ Project history as far as known to me:
   It has meanwhile moved to use vanilla libburn.pykix.org , though.
   Version 0.1.4 constitutes the first release of this kind.
 
-- In Juli 2006 our team mate Mario Danic announced a revival of libburn
+- In July 2006 our team mate Mario Danic announced a revival of libburn
   which by about nearly everybody else was perceived as unfriendly fork.
   Derek Foreman four days later posted a message which expressed his
   discontent.
@@ -197,6 +197,13 @@ Project history as far as known to me:
   DVD media. Code for double layer DVD+/-R is implemented but awaits a tester
   yet.
 
+- 23th April 2007 version 0.3.6 follows the unanimous opinion of Linux kernel
+  people that one should not use /dev/sg on kernel 2.6.
+
+- 31st July 2007 version 0.3.8 marks the first anniversary of libburn revival.
+  We look back on improved stability, a substantially extended list of media
+  and write modes, and better protection against typical user mishaps.
+
 
 ------------------------------------------------------------------------------
 

cdrskin/README

@@ -26,12 +26,12 @@ following possible.
 cdrskin. By Thomas Schmitt <scdbackup@gmx.net>
 Integrated sub project of libburnia.pykix.org but also published via:
 http://scdbackup.sourceforge.net/cdrskin_eng.html
-http://scdbackup.sourceforge.net/cdrskin-0.3.5.tar.gz
+http://scdbackup.sourceforge.net/cdrskin-0.3.8.tar.gz
 Copyright (C) 2006-2007 Thomas Schmitt
 
 ------------------------------------------------------------------------------
 
-On top of libburn there is implemented cdrskin 0.3.5, a limited cdrecord
+On top of libburn there is implemented cdrskin 0.3.8, a limited cdrecord
 compatibility wrapper which allows to use some libburn features from
 the command line.
 Interested users of cdrecord are invited to participate in the development
@@ -59,16 +59,16 @@ systems, including 64 bit systems. (Further reports are welcome.)
 
                    Compilation, First Glimpse, Installation
 
-Obtain cdrskin-0.3.5.tar.gz, take it to a directory of your choice and do:
+Obtain cdrskin-0.3.8.tar.gz, take it to a directory of your choice and do:
 
-    tar xzf cdrskin-0.3.5.tar.gz
-    cd cdrskin-0.3.5
+    tar xzf cdrskin-0.3.8.tar.gz
+    cd cdrskin-0.3.8
 
 Or obtain a libburnia.pykix.org SVN snapshot,
 go into the toplevel directory of the snapshot (e.g.  cd libburn_pykix ),
 and execute the autotools script ./bootstrap . Use autools version >= 1.7 .
 
-Within that toplevel directory of either cdrskin-0.3.5 or libburn then execute:
+Within that toplevel directory of either cdrskin-0.3.8 or libburn then execute:
 
     ./configure
     make
@@ -126,16 +126,16 @@ The superuser should be able to see any usable drive and then set the
 permissions as needed. If this hangs then there is a drive with
 unexpected problems (locked, busy, broken, whatever). You might have to
 guess the address of your (non-broken) burner by other means, then.
-On Linux 2.4 this would be some /dev/sgN and on 2.6. some /dev/hdX.
+On Linux 2.4 this would be some /dev/sgN and on 2.6. some /dev/srM or /dev/hdX.
 
 The output of  cdrskin --devices  might look like
 
-    0  dev='/dev/sg0'  rwrwr- :  '_NEC'  'DVD_RW ND-4570A'
-    1  dev='/dev/sg1'  rwrw-- :  'HL-DT-ST'  'DVDRAM GSA-4082B'
+    0  dev='/dev/sr0'  rwrwr- :  '_NEC'  'DVD_RW ND-4570A'
+    1  dev='/dev/sr1'  rwrw-- :  'HL-DT-ST'  'DVDRAM GSA-4082B'
 
 So full and insecure enabling of both for everybody would look like
 
-    chmod a+rw /dev/sg0 /dev/sg1
+    chmod a+rw /dev/sr0 /dev/sr1
 
 I strongly discourage to run cdrskin with setuid root or via sudo !
 It is not checked for the necessary degree of hacker safety.
@@ -152,7 +152,7 @@ Get an overview of cdrecord style addresses of available devices
     cdrskin --devices
 
 Adresses reported with dev=ATA need prefix "ATA:". Address examples:
-    dev=0,1,0  dev=ATA:1,0,0  dev=/dev/sg1  dev=/dev/hdc
+    dev=0,1,0  dev=ATA:1,0,0  dev=/dev/sg1  dev=/dev/hdc  dev=/dev/sr0
 See also "Drive Addressing" below.
 
 Obtain some info about the drive
@@ -210,7 +210,7 @@ cdrskin -scanbus (and hopefully as listed with cdrecord -scanbus) :
 
 or a device file address as listed by --devices with an accessible drive :
 
-    export SCDBACKUP_SCSI_ADR="/dev/sg1"
+    export SCDBACKUP_SCSI_ADR="/dev/sr1"
 
 Set usage of cdrskin with appropriate options rather than cdrecord :
 
@@ -272,8 +272,8 @@ the meaning of the components. A cdrecord-style address for cdrskin
 can be interpreted in two different modes.
 
 Standard mode tries to be compatible to original cdrecord. This should be true
-with (emulated) SCSI where the /dev/sgN with is looked up with matching
-scsibus,target,lun as given by the operating system.
+with (emulated) SCSI where the device file /dev/s[rg]N with is looked up with
+matching scsibus,target,lun as given by the operating system.
 With dev=ATA: or dev=ATAPI: the translation to /dev/hdX is purely literal
 but matches the cdrecord addresses on all systems tested so far:
   X = 'a' + 2 * scsibus + target
@@ -293,8 +293,8 @@ Component "scsibus" indicates the translation method. Defined busses are:
   1  associated to device file /dev/sgN , target chooses N
   2  associated to device file /dev/hdX , target 0='a', 1='b' ..., 25='z' 
 
-So "1,1,0" is /dev/sg1, "2,3,0" is /dev/hdd, "0,2,0" is libburn drive #2 at
-some unspecified device file. 
+So "1,1,0" is /dev/sg1 (resp. its /dev/sr*), "2,3,0" is /dev/hdd,
+"0,2,0" is libburn drive #2 at some unspecified device file. 
 This scheme shall help to keep cdrecord-style addresses stable and exchangeable
 between users without excluding drives with unexpected device addresses.
 The numbering on bus 0 is prone to arbitrary changes caused by changes in
@@ -314,12 +314,12 @@ Old frontends which do not know dev=ATA or dev=ATAPI and which do ask their
 
 To direct any remaining stubborn callers to the appropriate drives, cdrskin
 allows to define device address aliases. Like
-  cdrskin dev_translation=+1,0,0+/dev/sg1 \
-          dev_translation=+ATA:1,0,0+/dev/sg1 \
+  cdrskin dev_translation=+1,0,0+/dev/sr1 \
+          dev_translation=+ATA:1,0,0+/dev/sr1 \
           dev_translation=-"cd+dvd"-0,1,0 \
           ...
 Any of the addresses dev=1,0,0, dev=ATA:1,0,0, dev=cd+dvd will be mapped to
-/dev/sg1 resp. to 0,1,0.
+/dev/sr1 resp. to 0,1,0.
 The first character after "dev_translation=" defines the character which
 separates the two parts of the translation pair. (Above: "+" and "-".)
 
@@ -331,7 +331,7 @@ and to make them default in menu
 A suitable setting for "cdrecord" in menu 
   Settings:Configure K3b...:Programs:User Parameters
 would then probably be
-  -v dev_translation=+1,0,0+/dev/sg1
+  -v dev_translation=+1,0,0+/dev/sr1
 You will learn from button "Show Debugging Output" after a failed burn run
 what cdrecord command was used with what address "dev=...". This address "..."
 will be the right one to replace "1,0,0" in above example.
@@ -402,7 +402,7 @@ most recent session. For example put an ISO filesystem at address 1 GB:
   cdrskin dev=/dev/sr0 -v fs=32m -eject speed=4 write_start_address=524288s -
 The superuser may then do:
   mount -t iso9660 -o ro,sbsector=524288 /dev/sr0 /mnt
-Note: On my linux-2.4.21-215 mount works only with sbsector <= 337920 (660 MB).
+Note: On my linux-2.4.21-215 mount works only with sbsector <= 337920 (660 MiB)
 To extend a filesystem already existing at address 0
   mkisofs -C 0,524288 -M /dev/sr0 ... | cdrskin dev=/dev/sr0 ...
 Record the number 524288 for usage as first number with -C at the next
@@ -447,7 +447,7 @@ too on blanking by cdrecord, dvd+rw-format or cdrskin. Perils of DVD-RW.
 There are three DVD-RW formatting variants with cdrskin currently:
 
 blank=format_overwrite  uses "DVD-RW Quick" formatting (MMC-type 15h)
-and writes a first session of 128 MB. This leads to media which are expandable
+and writes a first session of 128 MiB. This leads to media which are expandable
 and random addressable by cdrskin.
 
 blank=format_overwrite_quickest  uses "DVD-RW Quick" formatting (type 15h) too,

cdrskin/add_ts_changes_to_libburn_0_3_8

@@ -38,7 +38,7 @@ original="./libburn_svn_release.tgz"
 # My changes are in $changes , mainly in $changes/cdrskin
 changes="./libburn-release"
 
-skin_release="0.3.4"
+skin_release="0.3.8"
 patch_level=".pl00"
 skin_rev="$skin_release""$patch_level"
 
@@ -114,7 +114,8 @@ then
 fi
 cp -a "$cdrskin_dir" "$cdrskin_target"
 
-# Remove copied binaries
+# Remove copied vim.swp and binaries
+rm "$cdrskin_target"/.*.swp
 rm "$cdrskin_target"/*.o
 rm "$cdrskin_target"/cdrfifo
 rm "$cdrskin_target"/cdrskin
@@ -137,7 +138,7 @@ do
 done
 
 # Remove GIFs of cdrskin_eng.html
-rm "$cdrskin_target"/doener_*.gif
+rm "$cdrskin_target"/doener_*.gif "$cdrskin_target"/doener_*.png
 
 # Remove automatically generated HTML man page
 rm "$cdrskin_target"/man_1_cdrskin.html

cdrskin/add_ts_changes_to_libburn_0_3_9

@@ -38,7 +38,7 @@ original="./libburn_svn.tgz"
 # My changes are in $changes , mainly in $changes/cdrskin
 changes="./libburn-develop"
 
-skin_release="0.3.5"
+skin_release="0.3.9"
 patch_level=""
 skin_rev="$skin_release""$patch_level"
 
@@ -114,7 +114,8 @@ then
 fi
 cp -a "$cdrskin_dir" "$cdrskin_target"
 
-# Remove copied binaries
+# Remove copied vim.swp and binaries
+rm "$cdrskin_target"/.*.swp
 rm "$cdrskin_target"/*.o
 rm "$cdrskin_target"/cdrfifo
 rm "$cdrskin_target"/cdrskin
@@ -137,7 +138,7 @@ do
 done
 
 # Remove GIFs of cdrskin_eng.html
-rm "$cdrskin_target"/doener_*.gif
+rm "$cdrskin_target"/doener_*.gif "$cdrskin_target"/doener_*.png
 
 # Remove automatically generated HTML man page
 rm "$cdrskin_target"/man_1_cdrskin.html
@@ -214,11 +215,11 @@ tar czf "$cdrskin_tarball" "$target"
  cd "$compile_dir" || exit 1
  ./configure
  make
- "$compile_cmd" -O2 -do_strip
+ "$compile_cmd" -libburn_svn -O2 -do_strip
  cp "$compile_result" "../$bintarget_dynamic"
  if test -n "$compile_static_opts"
  then
-   "$compile_cmd" $compile_static_opts -O2 -do_strip
+   "$compile_cmd" $compile_static_opts -libburn_svn -O2 -do_strip
    cp "$compile_result" "../$bintarget_static"
  fi
  "$man_to_html_cmd"

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 "April 22, 2007"
+.TH CDRSKIN 1 "July 19, 2007"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -269,9 +269,9 @@ Announces that the subsequent tracks are to be burned as audio.
 The source is supposed to be uncompressed headerless PCM, 44100 Hz, 16 bit,
 stereo. For little-endian byte order (which is usual on PCs) use option
 -swab. Unless marked explicitely by option -data, input files with suffix
-.wav are examined wether they have a header in MS-WAVE format confirming
+".wav" are examined wether they have a header in MS-WAVE format confirming
 those parameters and eventually raw audio data get extracted and burned as
-audio track. Same is done for suffix .au and SUN Audio.
+audio track. Same is done for suffix ".au" and SUN Audio.
 .br
 Option -audio may be used only with CD media and not with DVD.
 .TP 
@@ -298,14 +298,14 @@ Format a DVD-RW to "Restricted Overwrite". The user should bring some patience.
 (Note: blank=format_overwrite* are not original cdrecord options.)
 .TP
 format_overwrite_quickest
-Like format_overwrite without creating a 128 MB trailblazer session.
+Like format_overwrite without creating a 128 MiB trailblazer session.
 Leads to "intermediate" state which only allows sequential write
 beginning from address 0.
 The "intermediate" state ends after the first session of writing data.
 .TP
 format_overwrite_full
 For DVD-RW this is like format_overwrite but claims full media size
-rather than just 128 MB.
+rather than just 128 MiB.
 Most traditional formatting is attempted. No data get written. 
 Much patience is required.
 .br
@@ -365,8 +365,10 @@ even if attempted explicitely via "driveropts=burnfree".
 .TP
 .BI \-dummy
 Try to perform the drive operations without actually affecting the inserted
-media. There is no guarantee that this will work with a particular combination
+media. There is no warranty that this will work with a particular combination
 of drive, media, and write mode. Blanking is prevented reliably, though.
+To avoid inadverted real burning, -dummy refuses burn runs on anything but
+CD-R[W] and DVD-R[W].
 .TP
 .BI \-eject
 Eject the disc after work is done.
@@ -380,6 +382,9 @@ write modes which libburn believes they are not supported by the drive.
 Another application is to enforce blanking or re-formatting of media
 which appear to be in the desired blank or format state already.
 .br
+This option enables a burn run with option -dummy even if libburn believes
+that drive and media will not simulate the write mode but will write for real.
+.br
 .B Caution:
 Use this only when in urgent need.
 .TP
@@ -416,7 +421,14 @@ added to each -isosize track. But be advised to rather use padsize=300k.
 .br
 This option can be performed on track sources which are regular files or block
 devices. For the first track of the session it can be performed on any type
-of source if there is a fifo of at least 64 kB. See option fs= .
+of source if there is a fifo of at least 64 kiB. See option fs= .
+.TP
+.BI minbuf= percentage
+Equivalent to:
+.br
+modesty_on_drive=1:min_percent=<percentage>:max_percent=95
+.br
+Percentage is permissible between 25 and 95.
 .TP
 .BI msifile= path
 Run option -msinfo and copy the result line into the file given by path.
@@ -461,7 +473,7 @@ to be no use for audio tracks with incomplete last sector, this option applies
 only to data tracks. There it is default.
 .TP
 .BI \-pad
-Add 30 kB of trailing zeros to each data track. (This is not sufficient to
+Add 30 kiB of trailing zeros to each data track. (This is not sufficient to
 avoid problems with various CD-ROM read drivers.)
 .TP
 .BI padsize= size
@@ -513,6 +525,9 @@ Set speed of drive. With data CD, 1x speed corresponds to a throughput of
 150,000 bytes/second. With DVD, 1x = 1,385,000 bytes/second.
 It is not an error to set a speed higher than is suitable for drive
 and media. One should stay within a realistic speed range, though.
+Special speed settings are:
+.br
+0 = minimal speed , -1 = maximal speed (default).
 .TP
 .BI \-swab
 Announce that the raw audio data source of subsequent tracks is byte swapped
@@ -580,6 +595,12 @@ somebody who had a look into the program sourcecode.
 Alphabetical list of options which are genuine to cdrskin and intended for
 normal use:
 .TP
+.BI \--adjust_speed_to_drive
+Curb explicitely given speed= values to the maximum which is announced by the
+drive for the loaded media. By default, such an adjustment is only made with
+pseudo-speeds 0 and -1 whereas speed settings > 0 are sent unchanged to the
+drive which will then choose an appropriate speed on its own.
+.TP
 .BI \--allow_setuid
 Disable the loud warning about insecure discrepance between login user and
 effective user which indicates application of chmod u+s to the program binary.
@@ -688,8 +709,8 @@ string and eventual output of -msinfo.
 .TP 
 .BI write_start_address= byte_offset
 Set the address on media where to start writing the track. With DVD+RW or
-DVD-RAM byte_offset must be aligned to 2 KB blocks, but better is 32 kB.
-With DVD-RW 32 kB alignment is mandatory.
+DVD-RAM byte_offset must be aligned to 2 kiB blocks, but better is 32 kiB.
+With DVD-RW 32 kiB alignment is mandatory.
 .br
 Other media are not suitable for this option yet.
 .PP
@@ -791,6 +812,30 @@ Try to ignore any signals rather than to abort the program. This is not a
 very good idea. You might end up waiting a very long time for cdrskin
 to finish.
 .TP
+.BI modesty_on_drive= <mode>[:min_percent=<num>][:max_percent=<num>]
+Mode 1 keeps the program from trying to write to the burner drive while its
+buffer is in danger to be filled by more than max_percent. If this filling is
+exceeded then the program will wait until the filling is at most min_percent.
+.br
+This can ease the load on operating system and drive controller and thus help
+with achieving better input bandwidth if disk and burner are not on independent
+controllers (like hda and hdb). Unsufficient input bandwidth is indicated by
+output "(fifo  xy%)" of option -v if xy is lower than 90 for some time.
+modesty_on_drive= might hamper output bandwidth and cause buffer underruns.
+.br
+To have max_percent larger than the burner's best actual
+buffer fill has the same effect as min_percent==max_percent. Some burners
+do not use their full buffer with all media types. Watch output "[buf xy%]"
+of option -v to get an impression of the actual buffer usage. Some burners
+are not suitable because they report buffer fill with granularity too large
+in size or time. 
+.br
+Mode 0 disables this feature. Mode -1 keeps it unchanged. Default is:
+.br
+modesty_on_drive=0:min_percent=65:max_percent=95
+.br
+Percentages are permissible in the range of 25 to 100.
+.TP
 .BI \--no_abort_handler
 On signals exit even if the drive is in busy state. This is not a very good
 idea. You might end up with a stuck drive that refuses to hand out the media.

cdrskin/cdrskin.c

@@ -86,7 +86,7 @@ or
 
 /** The official program version */
 #ifndef Cdrskin_prog_versioN
-#define Cdrskin_prog_versioN "0.3.5"
+#define Cdrskin_prog_versioN "0.3.8"
 #endif
 
 /** The source code release timestamp */
@@ -119,25 +119,25 @@ or
 #endif /* Cdrskin_libburn_cvs_A60220_tS */
 
 
-#ifdef Cdrskin_libburn_0_3_4
-#define Cdrskin_libburn_versioN "0.3.4"
+#ifdef Cdrskin_libburn_0_3_8
+#define Cdrskin_libburn_versioN "0.3.8"
 #define Cdrskin_libburn_from_pykix_svN 1
-#endif /* Cdrskin_libburn_0_3_4 */
+#endif /* Cdrskin_libburn_0_3_8 */
 
-#ifdef Cdrskin_libburn_0_3_5
-#define Cdrskin_libburn_versioN "0.3.5"
+#ifdef Cdrskin_libburn_0_3_9
+#define Cdrskin_libburn_versioN "0.3.9"
 #define Cdrskin_libburn_from_pykix_svN 1
 
 /* Place novelty switch macros here. 
    Move them down to Cdrskin_libburn_from_pykix_svN on version leap
 */
-#define Cdrskin_libburn_preset_device_familY 1
-#define Cdrskin_libburn_has_track_set_sizE 1
 
-#endif /* Cdrskin_libburn_0_3_5 */
+/* - no novelty switch macros yet - */
+
+#endif /* Cdrskin_libburn_0_3_9 */
 
 #ifndef Cdrskin_libburn_versioN
-#define Cdrskin_libburn_versioN "0.3.4"
+#define Cdrskin_libburn_versioN "0.3.8"
 #define Cdrskin_libburn_from_pykix_svN 1
 #endif
 
@@ -190,6 +190,14 @@ or
 #define Cdrskin_libburn_has_allow_untested_profileS 1
 #define Cdrskin_libburn_has_set_forcE 1
 
+/* 0.3.6 */
+#define Cdrskin_libburn_preset_device_familY 1
+#define Cdrskin_libburn_has_track_set_sizE 1
+
+/* 0.3.8 */
+#define Cdrskin_libburn_has_set_waitinG 1
+#define Cdrskin_libburn_has_get_best_speeD 1
+
 #ifdef Cdrskin_new_api_tesT
 
 /* put macros under test caveat here */
@@ -1158,6 +1166,44 @@ int Cdrtrack_open_source_path(struct CdrtracK *track, int *fd, int flag)
    *fd= atoi(track->source_path+1);
  else {
    *fd= -1;
+
+#ifdef Cdrskin_libburn_has_convert_fs_adR
+   if(1) {
+     char adr[BURN_DRIVE_ADR_LEN],*device_adr,*raw_adr;
+     int no_convert_fs_adr;
+     int Cdrskin_get_device_adr(struct CdrskiN *skin,
+           char **device_adr, char **raw_adr, int *no_convert_fs_adr,int flag);
+
+     Cdrskin_get_device_adr(track->boss,&device_adr,&raw_adr,
+                            &no_convert_fs_adr,0);
+/*    
+     fprintf(stderr,
+             "cdrskin: DEBUG : device_adr='%s' , raw_adr='%s' , ncfs=%d\n",
+             device_adr, raw_adr, no_convert_fs_adr);
+*/
+     if(!no_convert_fs_adr) {
+       if(burn_drive_convert_fs_adr(track->source_path,adr)>0) {
+/*     
+         fprintf(stderr,"cdrskin: DEBUG : track source '%s' -> adr='%s'\n",
+                 track->source_path,adr);
+*/
+         if(strcmp(device_adr,adr)==0) {
+           fprintf(stderr,
+              "cdrskin: FATAL : track source address leads to burner drive\n");
+           fprintf(stderr,
+              "cdrskin:       : dev='%s' -> '%s' <- track source '%s'\n",
+              raw_adr, device_adr, track->source_path);
+           return(0);
+         }
+       }
+     }
+/*
+     fprintf(stderr,"cdrskin: EXPERIMENTAL : Deliberate abort\n");
+     return(0);
+*/
+   }
+#endif
+
    is_wav= Cdrtrack_extract_audio(track,fd,&xtr_size,0);
    if(is_wav==-1)
      return(-1);
@@ -1713,11 +1759,12 @@ int Cdrpreskin_initialize_lib(struct CdrpreskiN *preskin, int flag)
 int Cdrpreskin_queue_msgs(struct CdrpreskiN *o, int flag)
 {
 #ifdef Cdrskin_libburn_has_burn_msgS
+/* In cdrskin there is not much sense in queueing library messages.
 #ifndef Cdrskin_extra_leaN
 #define Cdrskin_debug_libdax_msgS 1
 #endif
-/* <<< In cdrskin there is not much sense in queueing library messages.
-        It is done here only for debugging */
+       It would be done here only for debugging
+*/
 #ifdef Cdrskin_debug_libdax_msgS
 
  int ret;
@@ -2157,6 +2204,10 @@ set_dev:;
       "blanking and burning see output of option -help rather than --help.\n");
      printf("Non-cdrecord options:\n");
      printf(" --abort_handler    do not leave the drive in busy state\n");
+#ifdef Cdrskin_libburn_has_get_best_speeD
+     printf(
+     " --adjust_speed_to_drive  set only speeds offered by drive and media\n");
+#endif
      printf(
         " --allow_setuid     disable setuid warning (setuid is insecure !)\n");
      printf(
@@ -2205,6 +2256,9 @@ set_dev:;
      printf(
        " --ignore_signals   try to ignore any signals rather than to abort\n");
      printf(" --list_ignored_options list all ignored cdrecord options.\n");
+#ifdef Cdrskin_libburn_has_set_waitinG
+     printf(" modesty_on_drive=<options> no writing into full drive buffer\n");
+#endif
      printf(" --no_abort_handler  exit even if the drive is in busy state\n");
      printf(" --no_blank_appendable  refuse to blank appendable CD-RW\n");
      printf(" --no_convert_fs_adr  only literal translations of dev=\n");
@@ -2300,6 +2354,10 @@ see_cdrskin_eng_html:;
      fprintf(stderr,"\t-toc\t\tretrieve and print TOC/PMA data\n");
      fprintf(stderr,
              "\t-atip\t\tretrieve media state, print \"Is *erasable\"\n");
+#ifdef Cdrskin_libburn_has_set_waitinG
+     fprintf(stderr,
+             "\tminbuf=percent\tset lower limit for drive buffer modesty\n");
+#endif
 #ifdef Cdrskin_libburn_has_multI
      fprintf(stderr,
              "\t-multi\t\tgenerate a TOC that allows multi session\n");
@@ -2572,6 +2630,7 @@ struct CdrskiN {
  /** Job: what to do, plus some parameters. */
  int verbosity;
  double x_speed;
+ int adjust_speed_to_drive;
  int gracetime;
  int dummy_mode;
  int force_is_set;
@@ -2612,6 +2671,9 @@ struct CdrskiN {
  enum burn_write_types write_type;
  int block_type;
  int multi;
+ int modesty_on_drive;
+ int min_buffer_percent;
+ int max_buffer_percent;
 
  double write_start_address;
  int assert_write_lba;
@@ -2668,6 +2730,8 @@ struct CdrskiN {
  unsigned int n_drives;
  /** The drive selected for operation by CdrskiN */
  int driveno;
+ /** The persistent drive address of that drive */
+ char device_adr[Cdrskin_adrleN];
 
 
  /** Progress state info: wether libburn is actually processing payload data */
@@ -2722,6 +2786,7 @@ int Cdrskin_new(struct CdrskiN **skin, struct CdrpreskiN *preskin, int flag)
  o->preskin= preskin;
  o->verbosity= preskin->verbosity;
  o->x_speed= -1.0;
+ o->adjust_speed_to_drive= 0;
  o->gracetime= 0;
  o->dummy_mode= 0;
  o->force_is_set= 0;
@@ -2744,6 +2809,9 @@ int Cdrskin_new(struct CdrskiN **skin, struct CdrpreskiN *preskin, int flag)
  o->write_type= BURN_WRITE_SAO;
  o->block_type= BURN_BLOCK_SAO;
  o->multi= 0;
+ o->modesty_on_drive= 0;
+ o->min_buffer_percent= 65;
+ o->max_buffer_percent= 95;
  o->write_start_address= -1.0;
  o->assert_write_lba= -1;
  o->burnfree= 1;
@@ -2773,6 +2841,7 @@ int Cdrskin_new(struct CdrskiN **skin, struct CdrpreskiN *preskin, int flag)
  o->drives= NULL;
  o->n_drives= 0;
  o->driveno= 0;
+ o->device_adr[0]= 0;
  o->is_writing= 0;
  o->previous_drive_status = BURN_DRIVE_IDLE;
  o->abort_max_wait= 74*60;
@@ -2837,6 +2906,20 @@ int Cdrskin_set_msinfo_fd(struct CdrskiN *skin, int result_fd, int flag)
 }
 
 
+/** Return the addresses of the drive. device_adr is the libburn persistent
+    address of the drive, raw_adr is the address as given by the user.
+*/
+int Cdrskin_get_device_adr(struct CdrskiN *skin,
+           char **device_adr, char **raw_adr, int *no_convert_fs_adr, int flag)
+{
+ burn_drive_get_adr(&skin->drives[skin->driveno],skin->device_adr);
+ *device_adr= skin->device_adr;
+ *raw_adr= skin->preskin->raw_device_adr;
+ *no_convert_fs_adr= skin->preskin->no_convert_fs_adr;
+ return(1); 
+}
+
+
 /** Return information about current track source */
 int Cdrskin_get_source(struct CdrskiN *skin, char *source_path,
                        double *fixed_size, double *tao_to_sao_tsize,
@@ -2934,20 +3017,44 @@ int Cdrskin_fill_fifo(struct CdrskiN *skin, int flag)
 /** Inform libburn about the consumer x-speed factor of skin */
 int Cdrskin_adjust_speed(struct CdrskiN *skin, int flag)
 {
- int k_speed;
+ int k_speed, modesty= 0;
 
  if(skin->x_speed<0)
    k_speed= 0; /* libburn.h promises 0 to be max speed. */
- else if(skin->x_speed==0) /* cdrecord specifies 0 as minimum speed. */
+ else if(skin->x_speed==0) { /* cdrecord specifies 0 as minimum speed. */
+#ifdef Cdrskin_libburn_has_get_best_speeD
+   k_speed= -1;
+#else
    k_speed= Cdrskin_libburn_speed_factoR+Cdrskin_libburn_speed_addoN;
- else
+#endif
+ } else
    k_speed= skin->x_speed*Cdrskin_libburn_speed_factoR +
             Cdrskin_libburn_speed_addoN;
 
  if(skin->verbosity>=Cdrskin_verbose_debuG)
    ClN(fprintf(stderr,"cdrskin_debug: k_speed= %d\n",k_speed));
 
+#ifdef Cdrskin_libburn_has_get_best_speeD
+ if(skin->adjust_speed_to_drive && !skin->force_is_set) {
+   struct burn_speed_descriptor *best_descr;
+   burn_drive_get_best_speed(skin->drives[skin->driveno].drive,k_speed,
+                             &best_descr,0);
+   if(best_descr!=NULL) {
+     k_speed= best_descr->write_speed;
+     skin->x_speed = ((double) k_speed) / Cdrskin_libburn_speed_factoR;
+   }  
+ }
+#endif /* Cdrskin_libburn_has_get_best_speeD */
+
  burn_drive_set_speed(skin->drives[skin->driveno].drive,k_speed,k_speed);
+
+#ifdef Cdrskin_libburn_has_set_waitinG
+ modesty= skin->modesty_on_drive;
+ burn_drive_set_buffer_waiting(skin->drives[skin->driveno].drive,
+                               modesty, -1, -1, -1,
+                               skin->min_buffer_percent,
+                               skin->max_buffer_percent);
+#endif
  return(1);
 }
 
@@ -5233,6 +5340,8 @@ burn_failed:;
    {ret= 1; goto ex;}
  }
 
+ Cdrskin_adjust_speed(skin,0);
+
 #ifndef Cdrskin_extra_leaN
  Cdrskin_wait_before_action(skin,0);
  if(needs_early_fifo_fill==1)
@@ -5247,8 +5356,6 @@ fifo_filling_failed:;
 
 #endif /* ! Cdrskin_extra_leaN */
 
- Cdrskin_adjust_speed(skin,0);
-
  if(skin->verbosity>=Cdrskin_verbose_progresS && nwa>=0)
    printf("Starting new track at sector: %d\n",nwa);
  skin->drive_is_busy= 1;
@@ -5786,6 +5893,10 @@ set_abort_max_wait:;
             skin->abort_max_wait);
      }
 
+#ifdef Cdrskin_libburn_has_get_best_speeD
+   } else if(strcmp(argv[i],"--adjust_speed_to_drive")==0) {
+     skin->adjust_speed_to_drive= 1;
+#endif
 
    } else if(strcmp(argv[i],"--allow_setuid")==0) {
      /* is handled in Cdrpreskin_setup() */;
@@ -6093,6 +6204,90 @@ gracetime_equals:;
        printf("%s\n",ignored_full_options[k]);
      printf("\n");
 
+   } else if(strncmp(argv[i],"-minbuf=",8)==0) {
+     value_pt= argv[i]+8;
+     goto minbuf_equals;
+   } else if(strncmp(argv[i],"minbuf=",7)==0) {
+     value_pt= argv[i]+7;
+minbuf_equals:;
+#ifdef Cdrskin_libburn_has_set_waitinG
+     skin->modesty_on_drive= 1;
+     sscanf(value_pt,"%lf",&value);
+     if (value<25 || value>95) {
+       fprintf(stderr,
+               "cdrskin: FATAL : minbuf= value must be between 25 and 95\n");
+       return(0);
+     }
+     skin->min_buffer_percent= value;
+     skin->max_buffer_percent= 95;
+     ClN(printf("cdrskin: minbuf=%d percent desired buffer fill\n",
+                skin->min_buffer_percent));
+#else
+     fprintf(stderr,
+          "cdrskin: SORRY : Option minbuf= is not available yet.\n");
+     return(0);
+#endif
+
+   } else if(strncmp(argv[i],"modesty_on_drive=",17)==0) {
+#ifdef Cdrskin_libburn_has_set_waitinG
+     value_pt= argv[i]+17;
+     if(*value_pt=='0') {
+       skin->modesty_on_drive= 0;
+       if(skin->verbosity>=Cdrskin_verbose_cmD)
+         ClN(printf(
+               "cdrskin: modesty_on_drive=0 : buffer waiting by os driver\n"));
+     } else if(*value_pt=='1') {
+       skin->modesty_on_drive= 1;
+       if(skin->verbosity>=Cdrskin_verbose_cmD)
+         ClN(printf(
+                 "cdrskin: modesty_on_drive=1 : buffer waiting by libburn\n"));
+     } else if(*value_pt=='-' && argv[i][18]=='1') {
+       skin->modesty_on_drive= -1;
+       if(skin->verbosity>=Cdrskin_verbose_cmD)
+         ClN(printf(
+       "cdrskin: modesty_on_drive=-1 : buffer waiting as libburn defaults\n"));
+     } else {
+       fprintf(stderr,
+               "cdrskin: FATAL : modesty_on_drive= must be -1, 0 or 1\n");
+       return(0);
+     }
+     while(1) {
+       value_pt= strchr(value_pt,':');
+       if(value_pt==NULL)
+     break;
+       value_pt++;
+       if(strncmp(value_pt,"min_percent=",12)==0) {
+         sscanf(value_pt+12,"%lf",&value);
+         if (value<25 || value>100) {
+           fprintf(stderr,
+                   "cdrskin: FATAL : modest_on_drive= min_percent value must be between 25 and 100\n");
+           return(0);
+         }
+         skin->min_buffer_percent= value;
+         ClN(printf("cdrskin: modesty_on_drive : %d percent min buffer fill\n",
+                skin->min_buffer_percent));
+       } else if(strncmp(value_pt,"max_percent=",12)==0) {
+         sscanf(value_pt+12,"%lf",&value);
+         if (value<25 || value>100) {
+           fprintf(stderr,
+                   "cdrskin: FATAL : modest_on_drive= max_percent value must be between 25 and 100\n");
+           return(0);
+         }
+         skin->max_buffer_percent= value;
+         ClN(printf("cdrskin: modesty_on_drive : %d percent max buffer fill\n",
+                skin->max_buffer_percent));
+       } else {
+         fprintf(stderr,
+                "cdrskin: SORRY : modest_on_drive= unknown option code : %s\n",
+                value_pt);
+       }
+     }
+#else
+     fprintf(stderr,
+          "cdrskin: SORRY : Option modesty_on_drive= is not available yet.\n");
+     return(0);
+#endif
+
    } else if(strcmp(argv[i],"-multi")==0) {
 #ifdef Cdrskin_libburn_has_multI
      skin->multi= 1;

cdrskin/cdrskin_eng.html

@@ -12,7 +12,7 @@
 
 <CENTER>
 <A HREF="http://en.wikipedia.org/wiki/D%C3%B6ner_kebab">
-<IMG SRC="doener_150x200_tr_octx.gif" BORDER=0
+<IMG SRC="doener_150x200_tr_octx.png" BORDER=0
      ALT="cdrskin logo: Doener mit Scharf">
 </A>
 <P><H2> Homepage of </H2>
@@ -56,9 +56,9 @@ and to MMC-5 for DVD).
 GPL software included:<BR>
 </H2>
 <DL>
-<DT>libburn-0.3.4</DT>
+<DT>libburn-0.3.8</DT>
 <DD>(by Derek Foreman, Ben Jansens, and team of libburnia.pykix.org)</DD>
-<DD>transfers data to CD</DD>
+<DD>transfers data to CD and DVD</DD>
 </DL>
 </P>
 
@@ -81,24 +81,19 @@ Ports to other usable systems are appreciated. Reports are welcome.
 <P>
 <H2>Commands:</H2>
 <DL>
-<DT>The goal is to provide some of cdrecord's options in a compatible way.
-This has been achieved quite sufficiently for the needs of backup tool
-<A HREF="http://scdbackup.sourceforge.net/main_eng.html">scdbackup</A>
-and for data CD projects of <A HREF="http://www.k3b.org">K3b</A> 
-(see <A HREF="#examples">examples</A>).
-Suitability for audio CD frontends has been improved much and is now being
-evaluated.<BR>
-Most DVD types are written in pseudo -tao modes which are very different
-from the write mode DAO used by cdrecord(-ProDVD). With DVD-R[W] cdrskin
-can use this write mode, too.<BR>
-Further enhancements depend on people who can describe and discuss their
-wishes as well as on the development of libburn.</DT>
+<DT>The most common options of cdrecord for data and audio on CD media
+are provided in a compatible way.<BR>
+On single layer DVD media cdrskin is able to perform any recording job
+which is possible with cdrecord.
+Other than with cdrecord, options -multi and -tao are supported with
+certain DVD types.
+</DT>
 <BR><BR>
 <DT>Get an overview of drives and their addresses</DT>
 <DD>#<KBD>&nbsp;cdrskin -scanbus</KBD></DD>
 <DD>#<KBD>&nbsp;cdrskin dev=ATA -scanbus</KBD></DD>
 <DD>#<KBD>&nbsp;cdrskin --devices</KBD></DD>
-<DT>Being superuser avoids permission problems with /dev/sgN resp. /dev/hdX .
+<DT>Being superuser avoids permission problems with /dev/srN resp. /dev/hdX .
 </DT>
 <DT>Ordinary users should then get granted rw access to the /dev files
 as listed by option --devices.</DT>
@@ -160,7 +155,6 @@ as listed by option --devices.</DT>
 <DT>Read the detailed manual page:</DT>
 <DD>$<KBD>&nbsp;<A HREF="man_1_cdrskin.html">man cdrskin</A></KBD></DD>
 </DL>
-
 <DL>
 <DT>Read about the standard for which cdrskin is striving:</DT>
 <DD>$<KBD>&nbsp;
@@ -171,6 +165,9 @@ man cdrecord</A></KBD></DD>
  this "don't bother Joerg" demand.)
 </DD>
 </DL>
+
+Testers wanted who are willing to risk some double layer DVD media.
+
 </P>
 
 <HR>
@@ -178,8 +175,8 @@ man cdrecord</A></KBD></DD>
 <P>
 <DL>
 <DT>Download as source code (see README):</DT>
-<DD><A HREF="cdrskin-0.3.4.pl00.tar.gz">cdrskin-0.3.4.pl00.tar.gz</A>
-(590 KB).
+<DD><A HREF="cdrskin-0.3.8.pl00.tar.gz">cdrskin-0.3.8.pl00.tar.gz</A>
+(615 KB).
 </DD>
 <DD>
 The "stable" cdrskin tarballs are source code identical with "stable" 
@@ -189,14 +186,14 @@ cdrskin is part of libburn - full libburn is provided with cdrskin releases.
 </DD>
 <DD>&nbsp;</DD>
 <DT>Download as single x86 binaries (untar and move to /usr/bin/cdrskin):</DT>
-<DD><A HREF="cdrskin_0.3.4.pl00-x86-suse9_0.tar.gz">
-cdrskin_0.3.4.pl00-x86-suse9_0.tar.gz</A>, (85 KB),
+<DD><A HREF="cdrskin_0.3.8.pl00-x86-suse9_0.tar.gz">
+cdrskin_0.3.8.pl00-x86-suse9_0.tar.gz</A>, (90 KB),
 <DL>
 <DD>runs on SuSE 9.0 (2.4.21) , RIP-14.4 (2.6.14) ,
  Gentoo (2.6.15 x86_64 Athlon).</DD>
 </DL>
-<DD><A HREF="cdrskin_0.3.4.pl00-x86-suse9_0-static.tar.gz">
-cdrskin_0.3.4.pl00-x86-suse9_0-static.tar.gz</A>, (285 KB), -static compiled,
+<DD><A HREF="cdrskin_0.3.8.pl00-x86-suse9_0-static.tar.gz">
+cdrskin_0.3.8.pl00-x86-suse9_0-static.tar.gz</A>, (290 KB), -static compiled,
 <DL>
 <DD>runs on SuSE 7.2 (2.4.4), and on the systems above.</DD>
 </DL>
@@ -223,17 +220,18 @@ cdrskin_0.3.4.pl00-x86-suse9_0-static.tar.gz</A>, (285 KB), -static compiled,
 <HR>
 
 <P>
-Enhancements towards previous stable version cdrskin-0.3.2:
+Enhancements towards previous stable version cdrskin-0.3.4:
 <UL>
-<LI>Multi-session burning to DVD+R</LI>
-<LI>New option --tell_media_space tells the maximum size for the next burn</LI>
-<LI>New option assert_write_lba=0 prevents inadverted writing to appendable
-media</LI>
-<LI>Bug fix: Multi-track runs with fifo could stall in rare cases</LI>
+<LI>Now able to cope with the peculiarities of Linux 2.4 USB</LI>
+<LI>Refusal to perform -dummy runs on media which cannot simulate burning</LI>
+<LI>Precautions against using the burner drive as track source</LI>
+<LI>New option modesty_on_drive= may help with hda -> hdb burns</LI>
+<LI>New option minbuf= , cdrecord compatible frontend of modesty_on_drive=</LI>
+<LI>New option --adjust_speed_to_drive</LI>
 </UL>
 
 <!--
- Bug fixes towards cdrskin-0.3.4.pl00:
+ Bug fixes towards cdrskin-0.3.8.pl00:
 <UL>
 <LI>none yet</LI>
 </UL>
@@ -245,19 +243,17 @@ media</LI>
 
 <P>
 <DL>
-<DT><H3>Development snapshot, version 0.3.5 :</H3></DT>
-<DD>Enhancements towards stable version 0.3.4.pl00:
+<DT><H3>Development snapshot, version 0.3.9 :</H3></DT>
+<DD>Enhancements towards stable version 0.3.8.pl00:
 <UL>
-<LI>Usage of /dev/srN rather than /dev/sgN on Linux >= 2.6</LI>
-<LI>Option drive_scsi_dev_family=sr|scd|sg to select explicitely</LI>
-<LI>Option -isosize is supported now</LI>
+<LI>none yet</LI>
 </UL>
 </DD>
 <DD>&nbsp;</DD>
-<DD><A HREF="README_cdrskin_devel">README 0.3.5</A>
-<DD><A HREF="cdrskin__help_devel">cdrskin_0.3.5 --help</A></DD>
-<DD><A HREF="cdrskin_help_devel">cdrskin_0.3.5 -help</A></DD>
-<DD><A HREF="man_1_cdrskin_devel.html">man cdrskin (as of 0.3.5)</A></DD>
+<DD><A HREF="README_cdrskin_devel">README 0.3.9</A>
+<DD><A HREF="cdrskin__help_devel">cdrskin_0.3.9 --help</A></DD>
+<DD><A HREF="cdrskin_help_devel">cdrskin_0.3.9 -help</A></DD>
+<DD><A HREF="man_1_cdrskin_devel.html">man cdrskin (as of 0.3.9)</A></DD>
 <DD>&nbsp;</DD>
 <DT>Maintainers of cdrskin unstable packages please use SVN of
 <A HREF="http://libburnia.pykix.org"> libburnia.pykix.org</A></DT>
@@ -277,15 +273,15 @@ admins with full system souvereignty.</DT>
 <A HREF="README_cdrskin_devel">upcoming README</A> ):
 </DD>
 <DD>
-<A HREF="cdrskin-0.3.5.tar.gz">cdrskin-0.3.5.tar.gz</A>
-(590 KB).
+<A HREF="cdrskin-0.3.9.tar.gz">cdrskin-0.3.9.tar.gz</A>
+(615 KB).
 </DD>
 <DD>Binary (untar and move to /usr/bin/cdrskin):</DD>
-<DD><A HREF="cdrskin_0.3.5-x86-suse9_0.tar.gz">
-cdrskin_0.3.5-x86-suse9_0.tar.gz</A>, (85 KB).
+<DD><A HREF="cdrskin_0.3.9-x86-suse9_0.tar.gz">
+cdrskin_0.3.9-x86-suse9_0.tar.gz</A>, (90 KB).
 </DD>
-<DD><A HREF="cdrskin_0.3.5-x86-suse9_0-static.tar.gz">
-cdrskin_0.3.5-x86-suse9_0-static.tar.gz</A>, (285 KB)
+<DD><A HREF="cdrskin_0.3.9-x86-suse9_0-static.tar.gz">
+cdrskin_0.3.9-x86-suse9_0-static.tar.gz</A>, (290 KB)
 </DD>
 </DL>
 </P>
@@ -313,13 +309,13 @@ provide libburn with invaluable examples on how to deal with DVD media.
 <P>
 <DL>
 <DT>Example for a setup of device permissions. To be done by the superuser:</DT>
-<DT>(CD devices which offer no r-permission are invisible to normal users.)</DT>
-<DT>(CD devices which offer no w-permission are not useable.)</DT>
+<DT>(CD devices which offer no rw-permission are invisible to normal users.)
+</DT>
 <DD># <KBD><B>cdrskin --devices</B></KBD></DD>
 <DD><KBD>...</KBD></DD>
-<DD><KBD>0&nbsp; dev='/dev/sg0'&nbsp; rwrwr- :&nbsp; 'TEAC'  'CD-ROM CD-532S'</KBD></DD>
+<DD><KBD>0&nbsp; dev='/dev/sr0'&nbsp; rwrwr- :&nbsp; 'TEAC'  'CD-ROM CD-532S'</KBD></DD>
 <DD><KBD>1&nbsp; dev='/dev/hdc'&nbsp; rwrw-- :&nbsp; 'LITE-ON'  'LTR-48125S'</KBD></DD>
-<DD># <KBD><B>chmod a+rw /dev/sg0 /dev/hdc</B></KBD></DD>
+<DD># <KBD><B>chmod a+rw /dev/sr0 /dev/hdc</B></KBD></DD>
 </DL>
 </P>
 
@@ -356,7 +352,7 @@ is a GUI frontend which uses cdrecord for CD burning.)
 <DD>$ <KBD><B>export SCDBACKUP_USE_CDRSKIN=1</B></KBD></DD>
 <DD>$ <KBD><B>./CONFIGURE_CD</B></KBD></DD>
 <DD><KBD>...</KBD></DD>
-<DD><KBD>cdrskin 0.3.4 : limited cdrecord compatibility wrapper for libburn</KBD></DD>
+<DD><KBD>cdrskin 0.3.8 : limited cdrecord compatibility wrapper for libburn</KBD></DD>
 </DL>
 If your system is stricken with some ill CD device then this can stall
 and you will have to press <KBD>Ctrl+C</KBD> to abort.
@@ -433,7 +429,7 @@ I owe him much. For cdrecord, for mkisofs, for star. Chapeau.
 <BR><BR>
  -->
 <A HREF="http://en.wikipedia.org/wiki/D%C3%B6ner_kebab">
-<IMG SRC="doener_150x200_tr.gif" BORDER=0
+<IMG SRC="doener_150x200_tr.png" BORDER=0
      ALT="cdrskin logo: Doener mit Scharf"></A>
 <BR><BR>
 <FONT SIZE=+0>Enjoying free Open Source hosting by <A HREF="http://www.webframe.org">www.webframe.org</A><BR>

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2007.04.18.103734"
+#define Cdrskin_timestamP "2007.07.20.120001"

cdrskin/changelog.txt

@@ -3627,36 +3627,298 @@ Declared failure of DDLP to entirely solve the concurrency problem
 
 ------------------------------------ cycle  - cdrskin-0.3.5 - 2007.04.22.112236
 
-22 Apr 2007  []
+22 Apr 2007  [836]
 cdrskin/changelog.txt
 Next cdrskin-0.3.5 cycle
 
-  []
+22 Apr 2007  [837]
 cdrskin/add_ts_changes_to_libburn_0_3_5
 cdrskin/add_ts_changes_to_libburn_0_3_4
 Repaired autotools bootstrap bug by help of sed
 
+22 Apr 2007  [838]
+cdrskin/cdrskin.1
+Changed many /dev/sg to /dev/sr
+
+
+2007.04.23.130001  [tag 841]
+Makefile.am
+configure.ac
+README
+cdrskin/cdrskin.c
+cdrskin/README
+cdrskin/compile_cdrskin.sh
+cdrskin/cdrskin_timestamp.h
+cdrskin/wiki_plain.txt
+cdrskin/cdrskin_eng.html 
+doc/comments
+Made number transition and activated development documentation
+
+23 Apr 2007  [tag 842]
+- cdrskin/add_ts_changes_to_libburn_0_3_4
+- cdrskin/add_ts_changes_to_libburn_0_3_5
++ cdrskin/add_ts_changes_to_libburn_0_3_6
++ cdrskin/add_ts_changes_to_libburn_0_3_7
+Updated cdrskin tarball generator
+
+23 Apr 2007  [tag 844]
+cdrskin/README
+Corrected false info about outdated addressing method
+
+2007.04.23.154600  [843]
+Makefile.am
+configure.ac
+README
+cdrskin/cdrskin.c
+cdrskin/README
+cdrskin/compile_cdrskin.sh
+cdrskin/wiki_plain.txt
+cdrskin/cdrskin_eng.html 
+doc/comments
+Made number transition and activated development documentation
+
+23 Apr 2007  [845]
+- cdrskin/add_ts_changes_to_libburn_0_3_4
+- cdrskin/add_ts_changes_to_libburn_0_3_5
++ cdrskin/add_ts_changes_to_libburn_0_3_6
++ cdrskin/add_ts_changes_to_libburn_0_3_7
+Updated cdrskin tarball generator
+
+
+----------------------------- release  - cdrskin-0.3.6.pl00 - 2007.04.23.130001
+* Usage of /dev/srN rather than /dev/sgN on Linux >= 2.6
+* New option drive_scsi_dev_family=sr|scd|sg
+* Option -isosize is supported now
+* DVD+R now get finalized (if not -multi is given)
+
+
+2007.04.23.171735  [846]
+cdrskin/changelog.txt
+Next cdrskin-0.3.7 cycle
+
+
+------------------------------------ cycle  - cdrskin-0.3.7 - 2007.04.24.113310
+
+2007.05.21.184334  [853]
+libburn/sg-linux.c
+Prepared fflushing and stderr output of SCSI command log
+
+2007.05.21.185450  [854]
+libburn/sbc.c
+libburn/spc.h
+libburn/spc.c
+libburn/mmc.c
+libburn/toc.c
+libburn/transport.h
+For Linux 2.4, USB : Carefully avoided to inquire more data than available
+
+2007.05.21.185644  [855]
+libburn/sector.c
+libburn/write.c
+For Linux 2.4, USB audio : Reduced CD output buffer size to 32 kiB
+
+21 May 2007  [856]
+cdrskin/cdrskin_eng.html
+cdrskin/changelog.txt
+Next cdrskin-0.3.7 cycle
+
+
+------------------------------------ cycle  - cdrskin-0.3.7 - 2007.05.21.201501
+* Now able to cope with the peculiarities of Linux 2.4 USB
+
+
+2007.05.22.154407  [857]
+libburn/sg-linux.c
+Report eventual sg_io_hdr_t host_status,driver_status as debug messages
+
+2007.05.22.154504  [858]
+cdrskin/cdrskin.c
+Disabled macro Cdrskin_debug_libdax_msgS. Thus getting unqueued error messages.
+
+2007.05.22.164850  [859]
+libburn/sg-linux.c
+Added SCSI opcode to output of revision 857
+
+2007.05.28.132412  [860]
+libburn/os-linux.h
+libburn/write.c
+Moved general 32 kiB buffer restriction from write.c to os-linux.h
+
+2007.05.28.165630  [861]
+libburn/libburn.h
+libburn/drive.c
+test/telltoc.c
+Extended struct burn_multi_caps by .might_simulate
+
+28 May 2007  [862]
+libburn/libdax_msgs.h
+Forgotten update of error list with revison 857
+
+2007.05.28.170243  [863]
+libburn/options.c
+cdrskin/cdrskin.1
+Added check for .might_simulate to burn_write_opts_auto_write_type()
+
+2007.05.28.192421  [864]
+libburn/sector.c
+Fixed low transaction size introduced by cooperation of revisions 855 and 860
+
+
+------------------------------------ cycle  - cdrskin-0.3.7 - 2007.05.28.192853
+* Refusal to perform -dummy runs on media which cannot simulate burning
+
+29 May 2007  [865]
+cdrskin/cdrskin_eng.html
+cdrskin/changelog.txt
+Next cdrskin-0.3.7 cycle
+
+8 Jun 2007  [873]
+- cdrskin/doener_150x200_tr.gif
+- cdrskin/doener_150x200_tr_octx.gif
++ cdrskin/doener_150x200_tr.png
++ cdrskin/doener_150x200_tr_octx.png
+cdrskin/cdrskin_eng.html
+Changed logo graphics format from GIF to PNG
+
+8 Jun 2007  [874]
+cdrskin/wiki_plain.txt
+cdrskin/add_ts_changes_to_libburn_0_3_6
+cdrskin/add_ts_changes_to_libburn_0_3_7
+Took into respect change of logo graphics format
+
+8 Jun 2007  [875]
+cdrskin/cdrskin.1
+Prevented macro interpretation of text snippet ".wav"
+
+10 Jun 2007  [876]
+cdrskin/README 
+cdrskin/cdrskin.1
+Clarified MB to MiB if compatibility allows it (ticket 100)
+
+10 Jun 2007  [877]
+cdrskin/cdrskin.1
+doc/cookbook.txt
+test/libburner.c
+Changed "KB" to "kiB"
+
+------------------------------------ cycle  - cdrskin-0.3.7 - 2007.06.10.081025
+
+
+2007.07.12.162856  [882]
+libburn/transport.h
+libburn/mmc.c
+libburn/write.c
+libburn/libdax_msgs.h
+Preparations to avoid writing which will not fit in drive buffer
+
+2007.07.12.171727  [883]
+libburn/libburn.h
+libburn/drive.c
+New API-Function burn_drive_set_buffer_waiting() 
+
+2007.07.12.171832  [884]
+cdrskin/cdrskin.c
+cdrskin/cdrskin.1
+New options modesty_on_drive= and minbuf=
+
+2007.07.14.111614  [885]
+libburn/libburn.h
+libburn/drive.c
+New API function burn_drive_get_best_speed()
+
+2007.07.14.112029  [886]
+libburn/mmc.c
+Only set realistic maximum DVD speeds (for my LG GSA which fails otherwise)
+
+2007.07.14.112326  [887]
+cdrskin/cdrskin.c
+Experimental option --adjust_speed_to_drive. Caution: May vanish soon.
+
+17 Jul 2007  [888]
+cdrskin/cdrskin.1
+Clarification on option speed=
+
+2007.07.17.085823  [889]
+libburn/libburn.h
+libburn/drive.c
+libburn/mmc.c
+cdrskin/cdrskin.c
+Implemented minimum speed in burn_drive_set_speed()
+
+2007.07.19.072434  [890]
+libburn/libburn.h
+cdrskin/cdrskin.c
+cdrskin/cdrskin.1
+Removed ban against speed 0 with burn_drive_set_buffer_waiting()
+
+2007.07.19.143139  [891]
+cdrskin/cdrskin.c
+Trying to prevent usage of burn drive as track source
+
+2007.07.19.171947  [892]
+cdrskin/cdrskin.c
+Avoided new track-drive test with option --no_convert_fs_adr
+
+19 Jul 2007  [893]
+cdrskin/cdrskin.1
+Documented option --adjust_speed_to_drive (i.e. it will stay)
+
+19 Jul 2007  [894]
+cdrskin/changelog.txt
+Next cdrskin-0.3.7 cycle
+
+19 Jul 2007  [895]
+cdrskin/cdrskin_eng.html
+Next cdrskin-0.3.7 cycle
+
+------------------------------------ cycle  - cdrskin-0.3.7 - 2007.07.19.174859
+* New option modesty_on_drive= may help with hda -> hdb burns
+* New option minbuf= , cdrecord compatible frontend of modesty_on_drive=
+* New option --adjust_speed_to_drive
+* Precautions against using the burner drive as track source
+
+
+2007.07.20.120001  [branch 897]
+Makefile.am
+configure.ac
+README
+cdrskin/cdrskin.c
+cdrskin/README
+cdrskin/compile_cdrskin.sh 
+cdrskin/cdrskin_timestamp.h
+cdrskin/cdrskin_eng.html
+Made number transition to 0.3.8
+
+20 Jul 2007  [branch 898]
+- cdrskin/add_ts_changes_to_libburn_0_3_6
+- cdrskin/add_ts_changes_to_libburn_0_3_7
++ cdrskin/add_ts_changes_to_libburn_0_3_8
++ cdrskin/add_ts_changes_to_libburn_0_3_9
+Updated cdrskin tarball generators
+
+
+----------------------------- release  - cdrskin-0.3.8.pl00 - 2007.07.
+* Now able to cope with the peculiarities of Linux 2.4 USB
+* Refusal to perform -dummy runs on media which cannot simulate burning
+* New option modesty_on_drive= may help with hda -> hdb burns
+* New option minbuf= , cdrecord compatible frontend of modesty_on_drive=
+* New option --adjust_speed_to_drive
+* Precautions against using the burner drive as track source
+
 
 ===============================================================================
                                     TODO
 ===============================================================================
 
------------------------------------- cycle  - cdrskin-0.3.5 - 
+------------------------------------ cycle  - cdrskin-0.3.7 - 
 cdrskin/changelog.txt
-Next cdrskin-0.3.5 cycle
+Next cdrskin-0.3.7 cycle
 
 
 
-cdrskin: prevent usage of burn drive as track source
-
-Think about cdrecord option minbuf= for simultaneous operation on hdc and hdd
-
 
 What about minimum track sizes ? (POWER OFF/ON , BUS RESET ?)
 
-How to handle finalizing ?
-growisofs does not finalize multi-session DVD[+-]R unless padding up. Why ?
-
 
 After cooking: review of -do_diet ?
 
@@ -3673,23 +3935,14 @@ Disable error checking with DVD-RAM.
 
 Rectify mmc_read_atip speed interpretation. 12x media are reported as 10x. I never heard of 6x media. 
 
-Sequentially check option list for DVD compliance
-
 
 ----------------------------------------- long term intentions:
 
-  []
-Ticket 90: failure on USB
-
   []
 -reset: ioctl(fd,CDROMRESET)  ioctl(fd,SG_SCSI_RESET,SG_SCSI_RESET_DEVICE)
 http://developer.osdl.org/dev/robustmutexes/src/fusyn.hg/Documentation/ioctl/cdrom.txt
 
 
-  []
-Open O_EXCL all devices in address resolution chain
-(Might help with non-standard hdX device siblings)
-
   []
 Convert burn_print() into libdax_msgs_submit()
 
@@ -3703,5 +3956,5 @@ Clear outdated persistent read buffer after small CD image was read (ticket 57)
 
 ===============================================================================
                    This is the dirty end of the todo list.
-          For most recent changelog entries scroll up about 100 lines.
+          The recent changelog entries are above the headline "TODO".
 ===============================================================================

cdrskin/compile_cdrskin.sh

@@ -7,7 +7,7 @@
 debug_opts=
 def_opts=
 largefile_opts="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE=1"
-libvers="-DCdrskin_libburn_0_3_5"
+libvers="-DCdrskin_libburn_0_3_8"
 cleanup_src_or_obj="libburn/cleanup.o"
 libdax_msgs_o="libburn/libdax_msgs.o"
 libdax_audioxtr_o="libburn/libdax_audioxtr.o"
@@ -33,15 +33,15 @@ do
     libdax_audioxtr_o=
     libdax_msgs_o="libburn/message.o"
     cleanup_src_or_obj="-DCleanup_has_no_libburn_os_H cdrskin/cleanup.c"
-  elif test "$i" = "-libburn_0_3_4"
+  elif test "$i" = "-libburn_0_3_8"
   then
-    libvers="-DCdrskin_libburn_0_3_4"
+    libvers="-DCdrskin_libburn_0_3_8"
     libdax_audioxtr_o="libburn/libdax_audioxtr.o"
     libdax_msgs_o="libburn/libdax_msgs.o"
     cleanup_src_or_obj="libburn/cleanup.o"
   elif test "$i" = "-libburn_svn"
   then
-    libvers="-DCdrskin_libburn_0_3_5"
+    libvers="-DCdrskin_libburn_0_3_9"
     libdax_audioxtr_o="libburn/libdax_audioxtr.o"
     libdax_msgs_o="libburn/libdax_msgs.o"
     cleanup_src_or_obj="libburn/cleanup.o"
@@ -79,7 +79,7 @@ do
     echo "  -compile_cdrfifo  compile program cdrskin/cdrfifo."
     echo "  -compile_dewav    compile program test/dewav without libburn."
     echo "  -cvs_A60220       set macro to match libburn-CVS of 20 Feb 2006."
-    echo "  -libburn_0_3_4    set macro to match libburn-0.3.4."
+    echo "  -libburn_0_3_8    set macro to match libburn-0.3.8."
     echo "  -libburn_svn      set macro to match current libburn-SVN."
     echo "  -no_largefile     do not use 64 bit off_t (must match libburn)."
     echo "  -do_not_compile_cdrskin  omit compilation of cdrskin/cdrskin."

cdrskin/wiki_plain.txt

@@ -1,7 +1,7 @@
 --------------------------------------------------------------------------
                        cdrskin Wiki - plain text copy
 --------------------------------------------------------------------------
-[[Image(source:/libburn/trunk/cdrskin/doener_150x200_tr.gif)]] [http://en.wikipedia.org/wiki/D%C3%B6ner_kebab Doener]
+[[Image(source:/libburn/trunk/cdrskin/doener_150x200_tr.png)]] [http://en.wikipedia.org/wiki/D%C3%B6ner_kebab Doener]
 
 '''cdrskin is the cdrecord compatibility middleware of libburn.'''
 
@@ -67,7 +67,7 @@ and displays their detected properties.
 The drives are listed one per line, with fields:
 libburn-drive-number, sysadmin-device-file, permissions, vendor, type
 {{{
-0  dev='/dev/sg0'  rwrw-- :  'HL-DT-ST'  'DVDRAM GSA-4082B'
+0  dev='/dev/sr0'  rwrw-- :  'HL-DT-ST'  'DVDRAM GSA-4082B'
 }}}
 This feature is valuable since cdrskin -scanbus will not give you
 the device file name and its current permissions.
@@ -127,7 +127,7 @@ E.g. cdrskin aborts with an error message if
 {{{
 assert_write_lba=0
 }}}
-is given but an appendable media is to be burned which would start ati
+is given but an appendable media is to be burned which would start at
 block 68432.
 
 

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([libburn], [0.3.5], [http://libburnia.pykix.org])
+AC_INIT([libburn], [0.3.8], [http://libburnia.pykix.org])
 AC_PREREQ([2.50])
 dnl AC_CONFIG_HEADER([config.h])	
 
@@ -19,7 +19,7 @@ dnl if MAJOR or MINOR version changes, be sure to change AC_INIT above to match
 dnl
 BURN_MAJOR_VERSION=0
 BURN_MINOR_VERSION=3
-BURN_MICRO_VERSION=5
+BURN_MICRO_VERSION=8
 BURN_INTERFACE_AGE=0
 BURN_BINARY_AGE=0
 BURN_VERSION=$BURN_MAJOR_VERSION.$BURN_MINOR_VERSION.$BURN_MICRO_VERSION
@@ -33,7 +33,7 @@ AC_SUBST(BURN_VERSION)
 
 dnl Libtool versioning
 LT_RELEASE=$BURN_MAJOR_VERSION.$BURN_MINOR_VERSION
-LT_CURRENT=`expr $BURN_MICRO_VERSION - $BURN_INTERFACE_AGE`
+LT_CURRENT=4
 LT_REVISION=$BURN_INTERFACE_AGE
 LT_AGE=`expr $BURN_BINARY_AGE - $BURN_INTERFACE_AGE`
 LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`

doc/comments

@@ -33,7 +33,7 @@ scope by help of existing cdrecord frontends.
 
 - libburn  is the library by which preformatted data get onto optical media.
            It uses either /dev/sgN (e.g. on kernel 2.4 with ide-scsi) or
-           /dev/hdX (e.g. on kernel 2.6).
+           /dev/srM or /dev/hdX (e.g. on kernel 2.6).
            libburn is the foundation of our cdrecord emulation. Its code is
            independent of cdrecord. Its DVD capabilities are learned from
            studying the code of dvd+rw-tools and MMC-5 specs. No code but only

doc/cookbook.txt

@@ -788,12 +788,12 @@ growisofs (transport.hxx) sets Link Size to 16 for profiles 0011h and 0014h.
 libburn now records the first link size from feature 0021h in its burn_drive
 structure. If another link size item is 16, then 16 is used.
 [*4:]
-growisofs takes Packet Size from 52h. Specs predict it will be 16 (= 32 kB).
+growisofs takes Packet Size from 52h. Specs predict it will be 16 (= 32 kiB).
 (mmc5r03.pdf 7.5.4.16)
 
 The writing process is much like in "Writing a session to CD in TAO mode" :
 Next Writeable Address is fetched from the reply of 52h READ TRACK INFORMATION.
-libburn writes full 32 kB buffers via 2Ah WRITE.
+libburn writes full 32 kiB buffers via 2Ah WRITE.
 (mmc5r03c.pdf, 6.27 READ TRACK INFORMATION, 6.44 WRITE)
 When writing is done, it is mandatory to force the drive's buffer to media by
 35h SYNCHRONIZE CACHE.
@@ -860,7 +860,8 @@ tested yet, what happens if not enough data get written.
 (mmc5r03c.pdf 6.31)
 
 Next Writeable Address is fetched from the reply of 52h READ TRACK INFORMATION.
-The reply is supposed to be 0. libburn writes full 32 kB buffers via 2Ah WRITE.
+The reply is supposed to be 0. libburn writes full 32 kiB buffers via
+2Ah WRITE.
 (mmc5r03c.pdf, 6.27 READ TRACK INFORMATION, 6.44 WRITE)
 If the track source delivers less than the announced size then libburn pads up
 by zeros.
@@ -1063,7 +1064,7 @@ The specs promise to pad up the track if not enough data get written.
 Next Writeable Address is fetched from the reply of 52h READ TRACK INFORMATION
 with track number FFh.
 (mmc5r03c.pdf 6.27)
-Since the fixely set write type is 16-block packet, full 32 kB buffers have
+Since the fixely set write type is 16-block packet, full 32 kiB buffers have
 to be transmitted via 2Ah WRITE.
 (mmc5r03c.pdf 4.3.6.2.2)
 

libburn/drive.c

@@ -857,6 +857,35 @@ void burn_drive_set_speed(struct burn_drive *d, int r, int w)
 	d->set_speed(d, r, w);
 }
 
+
+/* ts A70711  API function */
+int burn_drive_set_buffer_waiting(struct burn_drive *d, int enable,
+				int min_usec, int max_usec, int timeout_sec,
+				int min_percent, int max_percent)
+{
+
+	if (enable >= 0)
+		d->wait_for_buffer_free = !!enable;
+	if (min_usec >= 0)
+		d->wfb_min_usec = min_usec;
+	if (max_usec >= 0)
+		d->wfb_max_usec = max_usec;
+	if (timeout_sec >= 0)
+		d->wfb_timeout_sec = timeout_sec;
+        if (min_percent >= 0) {
+		if (min_percent < 25 || min_percent > 100)
+			return 0;
+		d->wfb_min_percent = min_percent;
+	}
+	if (max_percent >= 0) {
+		if (max_percent < 25 || max_percent > 100)
+			return 0;
+		d->wfb_max_percent = max_percent;
+	}
+	return 1;
+}
+
+
 int burn_msf_to_sectors(int m, int s, int f)
 {
 	return (m * 60 + s) * 75 + f;
@@ -1022,7 +1051,6 @@ int burn_drive_is_enumerable_adr(char *adr)
 #define BURN_DRIVE_MAX_LINK_DEPTH 20
 
 /* ts A60922 ticket 33 */
-/* Try to find an enumerated address with the given stat.st_rdev number */
 int burn_drive_resolve_link(char *path, char adr[], int *recursion_count)
 {
 	int ret;
@@ -1586,6 +1614,55 @@ int burn_drive_get_speedlist(struct burn_drive *d,
 }
 
 
+/* ts A70713 : API function */
+int burn_drive_get_best_speed(struct burn_drive *d, int speed_goal,
+			struct burn_speed_descriptor **best_descr, int flag)
+{
+	struct burn_speed_descriptor *sd;
+	int best_speed = 0, best_lba = 0, source= 2, speed;
+
+	if (flag & 2)
+		source = -1;
+	if (speed_goal < 0)
+		best_speed = 2000000000;
+	*best_descr = NULL;
+	for (sd = d->mdata->speed_descriptors; sd != NULL; sd = sd->next) {
+		if (flag & 1)
+			speed = sd->read_speed;
+		else
+			speed = sd->write_speed;
+		if ((source >= 0 && sd->source != source) || 
+		    speed <= 0)
+	continue;
+		if (speed_goal < 0) {
+			if (speed < best_speed) {
+				best_speed = speed;
+				*best_descr = sd;
+			}
+		} else if (speed_goal == 0) {
+			if ((source == 2 && sd->end_lba > best_lba) ||
+			    ((source !=2 || sd->end_lba == best_lba) &&
+			     speed > best_speed)) {
+				best_lba = sd->end_lba;
+				best_speed = speed;
+				*best_descr = sd;
+			}
+		} else if (speed <= speed_goal) {
+			if (speed > best_speed) {
+				best_speed = speed;
+				*best_descr = sd;
+			}
+		}
+	}
+	if (d->current_is_cd_profile && *best_descr == NULL && ! (flag & 2))
+		/* Mode page 2Ah is deprecated in MMC-5 although all known
+		   burners still support it with CD media. */
+		return burn_drive_get_best_speed(d, speed_goal, best_descr,
+						 flag | 2);
+	return (*best_descr != NULL);
+}
+
+
 /* ts A61226 : API function */
 int burn_drive_free_speedlist(struct burn_speed_descriptor **speed_list)
 {
@@ -1620,6 +1697,7 @@ int burn_disc_get_multi_caps(struct burn_drive *d, enum burn_write_types wt,
 	o->selected_write_mode = wt;
 	o->current_profile = d->current_profile;
 	o->current_is_cd_profile = d->current_is_cd_profile;
+        o->might_simulate = 0;
 	
 	if (s != BURN_DISC_BLANK && s != BURN_DISC_APPENDABLE) {
 		return 0;
@@ -1649,6 +1727,9 @@ int burn_disc_get_multi_caps(struct burn_drive *d, enum burn_write_types wt,
 		}
 		if (wt == BURN_WRITE_RAW)
 			o->multi_session = o->multi_track = 0;
+		else if(wt == BURN_WRITE_NONE || wt == BURN_WRITE_SAO ||
+			wt == BURN_WRITE_TAO)
+			o->might_simulate = !!d->mdata->simulate;
 	} else if (d->current_profile == 0x11 || d->current_profile == 0x14 ||
 			d->current_profile == 0x15) {
 		/* DVD-R , sequential DVD-RW , DVD-R/DL Sequential */
@@ -1667,6 +1748,9 @@ int burn_disc_get_multi_caps(struct burn_drive *d, enum burn_write_types wt,
 		}
 		if (wt == BURN_WRITE_SAO)
 			o->multi_session = o->multi_track = 0;
+		if (wt == BURN_WRITE_NONE || wt == BURN_WRITE_SAO ||
+		    wt == BURN_WRITE_TAO)
+			o->might_simulate = 1;
 	} else if (d->current_profile == 0x12 || d->current_profile == 0x13 ||
 			d->current_profile == 0x1a) {
 		/* DVD-RAM, overwriteable DVD-RW, DVD+RW */

libburn/libburn.h

@@ -455,8 +455,9 @@ struct burn_progress {
 	/* ts A61119 */
 	/** The number of bytes sent to the drive buffer */
 	off_t buffered_bytes;
-	/** The minimum number of buffered bytes. (Caution: Before surely
-	    one buffer size of bytes was processed, this value is 0xffffffff.) 
+	/** The minimum number of bytes stored in buffer during write.
+            (Caution: Before surely one buffer size of bytes was processed,
+                      this value is 0xffffffff.) 
 	*/
 	unsigned buffer_min_fill;
 };
@@ -1288,12 +1289,51 @@ int burn_track_get_counters(struct burn_track *t,
 
 
 /** Sets drive read and write speed
+    Note: "k" is 1000, not 1024. 1xCD = 176.4 k/s, 1xDVD = 1385 k/s.
+          Fractional speeds should be rounded up. Like 4xCD = 706.
     @param d The drive to set speed for
-    @param read Read speed in k/s (0 is max)
-    @param write Write speed in k/s (0 is max)
+    @param read Read speed in k/s (0 is max, -1 is min).
+    @param write Write speed in k/s (0 is max, -1 is min). 
 */
 void burn_drive_set_speed(struct burn_drive *d, int read, int write);
 
+
+/* ts A70711 */
+/** Controls the behavior with writing when the drive buffer is suspected to
+    be full. To check and wait for enough free buffer space before writing
+    will move the task of waiting from the operating system's device driver
+    to libburn. While writing is going on and waiting is enabled, any write
+    operation will be checked wether it will fill the drive buffer up to
+    more than max_percent. If so, then waiting will happen until the buffer
+    fill is predicted with at most min_percent.
+    Thus: if min_percent < max_percent then transfer rate will oscillate. 
+    This may allow the driver to operate on other devices, e.g. a disk from
+    which to read the input for writing. On the other hand, this checking might
+    reduce maximum throughput to the drive or even get misled by faulty buffer
+    fill replies from the drive.
+    If a setting parameter is < 0, then this setting will stay unchanged
+    by the call.
+    Known burner or media specific pitfalls:
+    To have max_percent larger than the burner's best reported buffer fill has
+    the same effect as min_percent==max_percent. Some burners do not report
+    their full buffer with all media types. Some are not suitable because
+    they report their buffer fill with delay.
+    @param d The drive to control
+    @param enable 0= disable , 1= enable waiting , (-1 = do not change setting)
+    @param min_usec Shortest possible sleeping period (given in micro seconds)
+    @param max_usec Longest possible sleeping period (given in micro seconds)
+    @param timeout_sec If a single write has to wait longer than this number
+                       of seconds, then waiting gets disabled and mindless
+                       writing starts. A value of 0 disables this timeout.
+    @param min_percent Minimum of desired buffer oscillation: 25 to 100
+    @param max_percent Maximum of desired buffer oscillation: 25 to 100
+    @return 1=success , 0=failure
+*/
+int burn_drive_set_buffer_waiting(struct burn_drive *d, int enable,
+                                int min_usec, int max_usec, int timeout_sec,
+                                int min_percent, int max_percent);
+
+
 /* these are for my debugging, they will disappear */
 void burn_structure_print_disc(struct burn_disc *d);
 void burn_structure_print_session(struct burn_session *s);
@@ -1411,6 +1451,7 @@ void burn_write_opts_set_fillup(struct burn_write_opts *opts,
 /* ts A70303 */
 /** Eventually makes libburn ignore the failure of some conformance checks:
     - the check wether CD write+block type is supported by the drive
+    - the check wether the media profile supports simulated burning 
     @param opts The write opts to change
     @param use_force 1=ignore above checks, 0=refuse work on failed check
 */
@@ -1513,6 +1554,26 @@ int burn_drive_get_read_speed(struct burn_drive *d);
 int burn_drive_get_speedlist(struct burn_drive *d,
                              struct burn_speed_descriptor **speed_list);
 
+/* ts A70713 */
+/** Look up the fastest speed descriptor which is not faster than the given
+    speed_goal. If it is 0, then the fastest one is chosen among the
+    descriptors with the highest end_lba. If it is -1 then the slowest speed
+    descriptor is chosen regardless of end_lba. Parameter flag decides wether
+    the speed goal means write speed or read speed.
+    @param d Drive to query
+    @param speed_goal Upper limit for speed,
+                      0=search for maximum speed , -1 search for minimum speed
+    @param best_descr Result of the search, NULL if no match
+    @param flag Bitfield for control purposes
+                bit0= look for best read speed rather than write speed
+                bit1= look for any source type (else look for source==2 first
+	              and for any other source type only with CD media)
+    @return >0 indicates a valid best_descr, 0 = no valid best_descr
+*/
+int burn_drive_get_best_speed(struct burn_drive *d, int speed_goal,
+                        struct burn_speed_descriptor **best_descr, int flag);
+
+
 /* ts A61226 */
 /** Dispose a speed descriptor list copy which was obtained by
     burn_drive_get_speedlist().
@@ -1599,6 +1660,10 @@ struct burn_multi_caps {
 
 	/** Wether the current profile indicates CD media. 1=yes, 0=no */
 	int current_is_cd_profile;
+
+        /* ts A70528, added to version 0.3.7 */
+	/** Wether the current profile is able to perform simulated write */
+	int might_simulate;
 };
 
 /** Allocates a struct burn_multi_caps (see above) and fills it with values

libburn/libdax_msgs.h

@@ -366,8 +366,12 @@ Range "scdbackup"          :  0x00020000 to 0x0002ffff
  0x00020138 (FATAL,HIGH)   = Cannot reserve track
  0x00020139 (SORRY,HIGH)   = Write job parameters are unsuitable
  0x0002013a (FATAL,HIGH)   = No suitable media detected
- 0x0002013b
+ 0x0002013b (DEBUG,HIGH)   = SCSI command indicates host or driver error
  0x0002013c (SORRY,HIGH)   = Malformed capabilities page 2Ah received
+ 0x0002013d (DEBUG,LOW)    = Waiting for free buffer space takes long time
+ 0x0002013e (SORRY,HIGH)   = Timeout with waiting for free buffer. Now disabled
+ 0x0002013f (DEBUG,LOW)    = Reporting total time spent with waiting for buffer
+
 
  libdax_audioxtr:
  0x00020200 (SORRY,HIGH)   = Cannot open audio source file

libburn/options.c

@@ -124,11 +124,19 @@ void burn_write_opts_set_format(struct burn_write_opts *opts, int format)
 
 int burn_write_opts_set_simulate(struct burn_write_opts *opts, int sim)
 {
+/* <<< ts A70529 :
+       One cannot predict the ability to simulate from page 05h
+       information alone. This check is now done later in 
+       function  burn_write_opts_auto_write_type().
+
 	if (opts->drive->mdata->simulate) {
 		opts->simulate = sim;
 		return 1;
 	}
 	return 0;
+*/
+	opts->simulate = !!sim;
+	return 1;
 }
 
 int burn_write_opts_set_underrun_proof(struct burn_write_opts *opts,
@@ -265,6 +273,8 @@ no_caps:;
 	} else if (caps->might_do_sao >= 3 && !(flag & 1))
 		goto try_tao;
 do_sao:;
+	if (caps->might_simulate == 0 && opts->simulate && !opts->force_is_set)
+		goto no_simulate;
 	if (!(flag & 1))
 		burn_write_opts_set_write_type(
 					opts, BURN_WRITE_SAO, BURN_BLOCK_SAO);
@@ -296,6 +306,8 @@ try_tao:;
 	if (strcmp(reason_pt, "TAO: ") != 0)
 		goto no_tao;
 	/* ( TAO data/audio block size will be handled automatically ) */
+	if (caps->might_simulate == 0 && opts->simulate && !opts->force_is_set)
+		goto no_simulate;
 	if (!(flag & 1))
 		burn_write_opts_set_write_type(
 				opts, BURN_WRITE_TAO, BURN_BLOCK_MODE1);
@@ -323,13 +335,21 @@ try_raw:;
 		strcat(reasons, "drive dislikes block type, ");
 	if (strcmp(reason_pt, "RAW: ") != 0)
 		goto no_write_mode;
+	if (!opts->force_is_set)
+		goto no_simulate;
 
 	/*  For now: no setting of raw write modes */
 
 	{wt = BURN_WRITE_RAW; goto ex;}
 
 no_write_mode:;
-	wt = BURN_WRITE_NONE;
+	{wt = BURN_WRITE_NONE; goto ex;}
+
+no_simulate:;
+	strcat(reasons,
+	       "simulation of write job not supported by drive and media, ");
+	{wt = BURN_WRITE_NONE; goto ex;}
+	
 ex:;
 	burn_disc_free_multi_caps(&caps);
 	if (wt == BURN_WRITE_NONE && !(flag & 3)) {

libburn/os-linux.h

@@ -42,7 +42,10 @@ SIGKILL, SIGCHLD, SIGSTOP, SIGURG, SIGWINCH
 
 /* The maximum size for a (SCSI) i/o transaction */
 /* Important : MUST be at least 32768 ! */
+/* ts A70523 : >32k seems not good with kernel 2.4 USB drivers and audio
 #define BURN_OS_TRANSPORT_BUFFER_SIZE 65536
+*/
+#define BURN_OS_TRANSPORT_BUFFER_SIZE 32768
 
 
 /* To hold the index number of the most recently delivered address from

libburn/sbc.c

@@ -11,19 +11,22 @@
 #include "options.h"
 
 /* spc command set */
-static char SBC_LOAD[] = { 0x1b, 0, 0, 0, 3, 0 };
-static char SBC_UNLOAD[] = { 0x1b, 0, 0, 0, 2, 0 };
-static char SBC_START_UNIT[] = { 0x1b, 0, 0, 0, 1, 0 };
+static unsigned char SBC_LOAD[] = { 0x1b, 0, 0, 0, 3, 0 };
+static unsigned char SBC_UNLOAD[] = { 0x1b, 0, 0, 0, 2, 0 };
+static unsigned char SBC_START_UNIT[] = { 0x1b, 0, 0, 0, 1, 0 };
 
 void sbc_load(struct burn_drive *d)
 {
 	struct command c;
 
+	scsi_init_command(&c, SBC_LOAD, sizeof(SBC_LOAD));
+/*
 	memcpy(c.opcode, SBC_LOAD, sizeof(SBC_LOAD));
-	c.retry = 1;
 	c.oplen = sizeof(SBC_LOAD);
-	c.dir = NO_TRANSFER;
 	c.page = NULL;
+*/
+	c.retry = 1;
+	c.dir = NO_TRANSFER;
 	d->issue_command(d, &c);
 	spc_wait_unit_attention(d, 60);
 }
@@ -32,11 +35,13 @@ void sbc_eject(struct burn_drive *d)
 {
 	struct command c;
 
-	c.page = NULL;
+	scsi_init_command(&c, SBC_UNLOAD, sizeof(SBC_UNLOAD));
+/*
 	memcpy(c.opcode, SBC_UNLOAD, sizeof(SBC_UNLOAD));
-	c.oplen = 1;
 	c.oplen = sizeof(SBC_UNLOAD);
 	c.page = NULL;
+*/
+	c.page = NULL;
 	c.dir = NO_TRANSFER;
 	d->issue_command(d, &c);
 }
@@ -46,11 +51,14 @@ int sbc_start_unit(struct burn_drive *d)
 {
 	struct command c;
 
+	scsi_init_command(&c, SBC_START_UNIT, sizeof(SBC_START_UNIT));
+/*
 	memcpy(c.opcode, SBC_START_UNIT, sizeof(SBC_START_UNIT));
-	c.retry = 1;
 	c.oplen = sizeof(SBC_START_UNIT);
-	c.dir = NO_TRANSFER;
 	c.page = NULL;
+*/
+	c.retry = 1;
+	c.dir = NO_TRANSFER;
 	d->issue_command(d, &c);
 	return (c.error==0);
 }

libburn/sector.c

@@ -218,7 +218,8 @@ static unsigned char *get_sector(struct burn_write_opts *opts,
 	seclen += burn_subcode_length(outmode);
 
 	/* ts A61219 : opts->obs is eventually a 32k trigger for DVD */
-	if (out->bytes + (seclen) > BUFFER_SIZE || out->bytes == opts->obs) {
+	if (out->bytes + seclen > BUFFER_SIZE ||
+	    (opts->obs > 0 && out->bytes + seclen > opts->obs)) {
 		int err;
 		err = d->write(d, d->nwa, out);
 		if (err == BE_CANCELLED)

libburn/sg-linux.c

@@ -72,9 +72,16 @@ Hint: You should also look into sg-freebsd-port.c, which is a younger and
 #include <linux/hdreg.h>
 #include <stdlib.h>
 #include <sys/utsname.h>
-#include <scsi/sg.h>
 #include <scsi/scsi.h>
 
+#include <scsi/sg.h>
+/* Values within sg_io_hdr_t indicating success after ioctl(SG_IO) : */
+/* .host_status : from http://tldp.org/HOWTO/SCSI-Generic-HOWTO/x291.html */
+#define Libburn_sg_host_oK 0
+/* .driver_status : from http://tldp.org/HOWTO/SCSI-Generic-HOWTO/x322.html */
+#define Libburn_sg_driver_oK 0
+
+
 /* ts A61211 : to eventually recognize CD devices on /dev/sr* */
 #include <linux/cdrom.h>
 
@@ -1027,6 +1034,71 @@ int sg_release(struct burn_drive *d)
 }
 
 
+/** ts A70518: 
+    Debugging log facility. Controlled by existence of macros:
+     Libburn_log_sg_commandS          enables logging to file
+                                        /tmp/libburn_sg_command_log
+     Libburn_fflush_log_sg_commandS   enables fflush after each output line
+     Libburn_log_sg_command_stderR    enables additional log to stderr
+*/
+/*
+#define Libburn_log_sg_commandS 1
+#define Libburn_fflush_log_sg_commandS 1
+#define Libburn_log_sg_command_stderR 1
+*/
+
+#ifdef Libburn_log_sg_commandS
+
+/** Logs command (before execution) */
+static int sg_log_cmd(struct command *c, FILE *fp, int flag)
+{
+	int i;
+
+	if (fp != NULL) {
+		for(i = 0; i < 16 && i < c->oplen; i++)
+  			fprintf(fp,"%2.2x ", c->opcode[i]);
+		fprintf(fp, "\n");
+#ifdef Libburn_fflush_log_sg_commandS
+		fflush(fp);
+#endif
+	}
+	if (fp == stderr)
+		return 1;
+#ifdef Libburn_log_sg_command_stderR
+	sg_log_cmd(c, stderr, flag);
+#endif
+	return 1;
+}
+
+
+/** logs outcome of a sg command. flag&1 causes an error message */
+static int sg_log_err(struct command *c, FILE *fp, 
+		sg_io_hdr_t *s,
+		int flag)
+{
+      	if(fp!=NULL) {
+		if(flag & 1)
+  			fprintf(fp,
+			"+++ key=%X  asc=%2.2Xh  ascq=%2.2Xh   (%6d ms)\n",
+				s->sbp[2], s->sbp[12], s->sbp[13],s->duration);
+		else
+			fprintf(fp,"%6d ms\n", s->duration);
+#ifdef Libburn_fflush_log_sg_commandS
+		fflush(fp);
+#endif
+	}
+	if (fp == stderr)
+		return 1;
+#ifdef Libburn_log_sg_command_stderR
+	sg_log_err(c, stderr, s, flag);
+#endif
+	return 1;
+}
+
+
+#endif /* Libburn_log_sg_commandS */
+
+
 /** Sends a SCSI command to the drive, receives reply and evaluates wether
     the command succeeded or shall be retried or finally failed.
     Returned SCSI errors shall not lead to a return value indicating failure.
@@ -1041,15 +1113,10 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 	int done = 0, no_c_page = 0;
 	int err;
 	sg_io_hdr_t s;
-/*
-#define Libburn_log_sg_commandS 1
-*/
 
 #ifdef Libburn_log_sg_commandS
 	/* ts A61030 */
 	static FILE *fp= NULL;
-	static int fpcount= 0;
-	int i;
 #endif /* Libburn_log_sg_commandS */
 
 	/* <<< ts A60821
@@ -1065,12 +1132,7 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 		fp= fopen("/tmp/libburn_sg_command_log","a");
 		fprintf(fp,"\n-----------------------------------------\n");
 	}
-	if(fp!=NULL) {
-		for(i=0;i<10;i++)
-	  		fprintf(fp,"%2.2x ", c->opcode[i]);
-		fprintf(fp,"\n");
-		fpcount++;
-	}
+	sg_log_cmd(c,fp,0);
 #endif /* Libburn_log_sg_commandS */
 	  
 
@@ -1105,7 +1167,15 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 	if (c->page && !no_c_page) {
 		s.dxferp = c->page->data;
 		if (c->dir == FROM_DRIVE) {
-			s.dxfer_len = BUFFER_SIZE;
+
+			/* ts A70519 : kernel 2.4 usb-storage seems to
+					expect exact dxfer_len for data
+					fetching commands.
+			*/
+			if (c->dxfer_len >= 0)
+				s.dxfer_len = c->dxfer_len;
+			else
+				s.dxfer_len = BUFFER_SIZE;
 /* touch page so we can use valgrind */
 			memset(c->page->data, 0, BUFFER_SIZE);
 		} else {
@@ -1168,16 +1238,27 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
 ex:;
 	if (c->error) {
 		scsi_notify_error(d, c, s.sbp, s.sb_len_wr, 0);
+	} else if (s.host_status != Libburn_sg_host_oK || 
+	    s.driver_status != Libburn_sg_driver_oK) {
+		char msg[161];
+
+		sprintf(msg,
+			"SCSI command %2.2Xh indicates host or driver error:",
+			(unsigned int) c->opcode[0]);
+		sprintf(msg+strlen(msg),
+			" host_status= %xh , driver_status= %xh",
+			(unsigned int) s.host_status,
+			(unsigned int) s.driver_status);
+		libdax_msgs_submit(libdax_messenger, d->global_index,
+				0x0002013b,
+				LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
+				msg, 0, 0);
+	}
 
 #ifdef Libburn_log_sg_commandS
-        	if(fp!=NULL) {
-  			fprintf(fp,"+++ key=%X  asc=%2.2Xh  ascq=%2.2Xh\n",
-				s.sbp[2], s.sbp[12], s.sbp[13]);
-			fpcount++;
-		}
+	sg_log_err(c, fp, &s, c->error != 0);
 #endif /* Libburn_log_sg_commandS */
 
-	}
 	return 1;
 }
 

libburn/spc.c

@@ -29,7 +29,8 @@ extern struct libdax_msgs *libdax_messenger;
 
 
 /* spc command set */
-static unsigned char SPC_INQUIRY[] = { 0x12, 0, 0, 0, 255, 0 };
+/* ts A70519 : allocation length byte 3+4 was 0,255 */
+static unsigned char SPC_INQUIRY[] = { 0x12, 0, 0, 0, 36, 0 };
 
 /*static char SPC_TEST[]={0,0,0,0,0,0};*/
 static unsigned char SPC_PREVENT[] = { 0x1e, 0, 0, 0, 1, 0 };
@@ -40,14 +41,35 @@ static unsigned char SPC_MODE_SELECT[] =
 static unsigned char SPC_REQUEST_SENSE[] = { 0x03, 0, 0, 0, 18, 0 };
 static unsigned char SPC_TEST_UNIT_READY[] = { 0x00, 0, 0, 0, 0, 0 };
 
+
+/* ts A70519 : An initializer for the abstract SCSI command structure */
+int scsi_init_command(struct command *c, unsigned char *opcode, int oplen)
+{
+	if (oplen > 16)
+		return 0;
+	memcpy(c->opcode, opcode, oplen);
+	c->oplen = oplen;
+	c->dir = NO_TRANSFER;
+	c->dxfer_len = -1;
+	memset(c->sense, 0, sizeof(c->sense));
+	c->error = 0;
+	c->retry = 0;
+	c->page = NULL;
+	return 1;
+}
+
+
 int spc_test_unit_ready_r(struct burn_drive *d, int *key, int *asc, int *ascq)
 {
 	struct command c;
 
-	c.retry = 0;
+	scsi_init_command(&c, SPC_TEST_UNIT_READY,sizeof(SPC_TEST_UNIT_READY));
+/*
 	c.oplen = sizeof(SPC_TEST_UNIT_READY);
 	memcpy(c.opcode, SPC_TEST_UNIT_READY, sizeof(SPC_TEST_UNIT_READY));
 	c.page = NULL;
+*/
+	c.retry = 0;
 	c.dir = NO_TRANSFER;
 	d->issue_command(d, &c);
 	if (c.error) {
@@ -68,7 +90,7 @@ int spc_test_unit_ready(struct burn_drive *d)
 
 
 /* ts A70315 */
-/** Wait until the drive state becomes clear in or until max_usec elapsed */
+/** Wait until the drive state becomes clear or until max_usec elapsed */
 int spc_wait_unit_attention(struct burn_drive *d, int max_sec)
 {
 	int i, ret, key, asc, ascq;
@@ -89,9 +111,14 @@ void spc_request_sense(struct burn_drive *d, struct buffer *buf)
 {
 	struct command c;
 
+	scsi_init_command(&c, SPC_REQUEST_SENSE, sizeof(SPC_REQUEST_SENSE));
 	c.retry = 0;
+/*
 	c.oplen = sizeof(SPC_REQUEST_SENSE);
 	memcpy(c.opcode, SPC_REQUEST_SENSE, sizeof(SPC_REQUEST_SENSE));
+*/
+	c.dxfer_len= c.opcode[4];
+	c.retry = 0;
 	c.page = buf;
 	c.page->sectors = 0;
 	c.page->bytes = 0;
@@ -113,24 +140,29 @@ void spc_inquiry(struct burn_drive *d)
 	struct burn_scsi_inquiry_data *id;
 	struct command c;
 
+	scsi_init_command(&c, SPC_INQUIRY, sizeof(SPC_INQUIRY));
+/*
 	memcpy(c.opcode, SPC_INQUIRY, sizeof(SPC_INQUIRY));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_INQUIRY);
+*/
+	c.dxfer_len= (c.opcode[3] << 8) | c.opcode[4];
+	c.retry = 1;
 	c.page = &buf;
 	c.page->bytes = 0;
 	c.page->sectors = 0;
 	c.dir = FROM_DRIVE;
 	d->issue_command(d, &c);
-
 	id = (struct burn_scsi_inquiry_data *)d->idata;
-	id->vendor[8] = 0;
-	id->product[16] = 0;
-	id->revision[4] = 0;
-
+	memset(id->vendor, 0, 9);
+	memset(id->product, 0, 17);
+	memset(id->revision, 0, 5);
+	if (c.error) {
+		id->valid = -1;
+		return;
+	}
 	memcpy(id->vendor, c.page->data + 8, 8);
 	memcpy(id->product, c.page->data + 16, 16);
 	memcpy(id->revision, c.page->data + 32, 4);
-
 	id->valid = 1;
 	return;
 }
@@ -139,10 +171,13 @@ void spc_prevent(struct burn_drive *d)
 {
 	struct command c;
 
+	scsi_init_command(&c, SPC_PREVENT, sizeof(SPC_PREVENT));
+/*
 	memcpy(c.opcode, SPC_PREVENT, sizeof(SPC_PREVENT));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_PREVENT);
 	c.page = NULL;
+*/
+	c.retry = 1;
 	c.dir = NO_TRANSFER;
 	d->issue_command(d, &c);
 }
@@ -151,19 +186,27 @@ void spc_allow(struct burn_drive *d)
 {
 	struct command c;
 
+	scsi_init_command(&c, SPC_ALLOW, sizeof(SPC_ALLOW));
+/*
 	memcpy(c.opcode, SPC_ALLOW, sizeof(SPC_ALLOW));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_ALLOW);
 	c.page = NULL;
+*/
+	c.retry = 1;
 	c.dir = NO_TRANSFER;
 	d->issue_command(d, &c);
 }
 
-void spc_sense_caps(struct burn_drive *d)
+/*
+ts A70518 : Do not call with *alloc_len < 8
+*/
+/** flag&1= do only inquire alloc_len */
+static int spc_sense_caps_al(struct burn_drive *d, int *alloc_len, int flag)
 {
 	struct buffer buf;
 	struct scsi_mode_data *m;
 	int size, page_length, num_write_speeds = 0, i, speed, ret;
+	int old_alloc_len, was_error = 0;
 	unsigned char *page;
 	struct command c;
 	struct burn_speed_descriptor *sd;
@@ -171,18 +214,30 @@ void spc_sense_caps(struct burn_drive *d)
 	/* ts A61225 : 1 = report about post-MMC-1 speed descriptors */
 	static int speed_debug = 0;
 
+	if (*alloc_len < 8)
+		return 0;
+
 	memset(&buf, 0, sizeof(buf));
+	scsi_init_command(&c, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
+/*
 	memcpy(c.opcode, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_MODE_SENSE);
+*/
+	c.dxfer_len = *alloc_len;
+	c.opcode[7] = (c.dxfer_len >> 8) & 0xff;
+	c.opcode[8] = c.dxfer_len & 0xff;
+	c.retry = 1;
 	c.opcode[2] = 0x2A;
 	c.page = &buf;
 	c.page->bytes = 0;
 	c.page->sectors = 0;
 	c.dir = FROM_DRIVE;
 	d->issue_command(d, &c);
-	if (c.error)
+	if (c.error) {
 		memset(&buf, 0, sizeof(buf));
+		d->mdata->valid = -1;
+		was_error = 1;
+	}
 
 	size = c.page->data[0] * 256 + c.page->data[1];
 	m = d->mdata;
@@ -195,6 +250,14 @@ void spc_sense_caps(struct burn_drive *d)
 	   set of speed descriptors. In MMC-5 E.11 it is declared "legacy".
 	*/
 	page_length = page[1];
+	old_alloc_len = *alloc_len;
+	*alloc_len = page_length + 8;
+	if (flag & 1)
+		return !was_error;
+	if (page_length + 8 > old_alloc_len)
+		page_length = old_alloc_len - 8;
+	if (page_length < 22)
+		return 0;
 
 	m->valid = 0;
 	burn_mdata_free_subs(m);
@@ -253,7 +316,7 @@ void spc_sense_caps(struct burn_drive *d)
 				0x0002013c,
 				LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
 				msg, 0, 0);
-		return;
+		return 0;
 	}
 
 	for (i = 0; i < num_write_speeds; i++) {
@@ -297,6 +360,24 @@ try_mmc_get_performance:;
 		fprintf(stderr,
 	  "LIBBURN_DEBUG: ACh min_write_speed = %d , max_write_speed = %d\n",
 		m->min_write_speed, m->max_write_speed);
+	return !was_error;
+}
+
+
+void spc_sense_caps(struct burn_drive *d)
+{
+	int alloc_len, start_len = 22, ret;
+
+	/* first command execution to learn Allocation Length */
+	alloc_len = start_len;
+	ret = spc_sense_caps_al(d, &alloc_len, 1);
+/*
+	fprintf(stderr,"LIBBURN_DEBUG: 5Ah alloc_len = %d , ret = %d\n",
+			alloc_len, ret);
+*/
+	if (alloc_len >= start_len && ret > 0)
+		/* second execution with announced length */
+		spc_sense_caps_al(d, &alloc_len, 0);
 }
 
 
@@ -304,13 +385,19 @@ void spc_sense_error_params(struct burn_drive *d)
 {
 	struct buffer buf;
 	struct scsi_mode_data *m;
-	int size;
+	int size, alloc_len = 12 ;
 	unsigned char *page;
 	struct command c;
 
+	scsi_init_command(&c, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
+/*
 	memcpy(c.opcode, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_MODE_SENSE);
+*/
+	c.dxfer_len = alloc_len;
+	c.opcode[7] = (c.dxfer_len >> 8) & 0xff;
+	c.opcode[8] = c.dxfer_len & 0xff;
+	c.retry = 1;
 	c.opcode[2] = 0x01;
 	c.page = &buf;
 	c.page->bytes = 0;
@@ -332,9 +419,12 @@ void spc_select_error_params(struct burn_drive *d,
 	struct buffer buf;
 	struct command c;
 
+	scsi_init_command(&c, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
+/*
 	memcpy(c.opcode, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_MODE_SELECT);
+*/
+	c.retry = 1;
 	c.opcode[8] = 8 + 2 + d->mdata->retry_page_length;
 	c.page = &buf;
 	c.page->bytes = 0;
@@ -363,7 +453,7 @@ void spc_sense_write_params(struct burn_drive *d)
 {
 	struct buffer buf;
 	struct scsi_mode_data *m;
-	int size, dummy;
+	int size, dummy, alloc_len = 10;
 	unsigned char *page;
 	struct command c;
 
@@ -371,9 +461,15 @@ void spc_sense_write_params(struct burn_drive *d)
 	/* a ssert(d->mdata->cdr_write || d->mdata->cdrw_write ||
 	       d->mdata->dvdr_write || d->mdata->dvdram_write); */
 
+	scsi_init_command(&c, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
+/*
 	memcpy(c.opcode, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_MODE_SENSE);
+*/
+	c.dxfer_len = alloc_len;
+	c.opcode[7] = (c.dxfer_len >> 8) & 0xff;
+	c.opcode[8] = c.dxfer_len & 0xff;
+	c.retry = 1;
 	c.opcode[2] = 0x05;
 	c.page = &buf;
 	c.page->bytes = 0;
@@ -428,9 +524,12 @@ void spc_select_write_params(struct burn_drive *d,
 		o->block_type,spc_block_type(o->block_type));
 	*/
 
+	scsi_init_command(&c, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
+/*
 	memcpy(c.opcode, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
-	c.retry = 1;
 	c.oplen = sizeof(SPC_MODE_SELECT);
+*/
+	c.retry = 1;
 	c.opcode[8] = 8 + 2 + d->mdata->write_page_length;
 	c.page = &buf;
 	c.page->bytes = 0;
@@ -488,9 +587,12 @@ void spc_probe_write_modes(struct burn_drive *d)
 			try_block_type = useable_block_type;
 			last_try= 1;
 		}
+		scsi_init_command(&c, SPC_MODE_SELECT,sizeof(SPC_MODE_SELECT));
+/*
 		memcpy(c.opcode, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
-		c.retry = 1;
 		c.oplen = sizeof(SPC_MODE_SELECT);
+*/
+		c.retry = 1;
 		c.opcode[8] = 8 + 2 + 0x32;
 		c.page = &buf;
 

libburn/spc.h

@@ -55,4 +55,7 @@ enum response scsi_error_msg(struct burn_drive *d, unsigned char *sense,
 int scsi_notify_error(struct burn_drive *, struct command *c,
 			unsigned char *sense, int senselen, int flag);
 
+/* ts A70519 */
+int scsi_init_command(struct command *c, unsigned char *opcode, int oplen);
+
 #endif /*__SPC*/

libburn/toc.c

@@ -128,9 +128,14 @@ void toc_find_modes(struct burn_drive *d)
 			if (e && !(e->control & 4)) {
 				t->mode = BURN_AUDIO;
 			} else {
+
+				t->mode = BURN_MODE1;
+/* ts A70519 : this does not work with Linux 2.4 USB because one cannot
+               predict the exact dxfer_size without knowing the sector type.
 				mem.sectors = 1;
 				d->read_sectors(d, lba, mem.sectors, &o, &mem);
 				t->mode = sector_identify(mem.data);
+*/
 			}
 		}
 }

libburn/transport.h

@@ -51,6 +51,7 @@ struct command
 	unsigned char opcode[16];
 	int oplen;
 	int dir;
+	int dxfer_len;
 	unsigned char sense[128];
 	int error;
 	int retry;
@@ -223,6 +224,21 @@ struct burn_drive
 	struct buffer *buffer;
 	struct burn_progress progress;
 
+	/* ts A70711 : keeping an eye on the drive buffer */
+	off_t pessimistic_buffer_free;
+	int pbf_altered;
+	int wait_for_buffer_free;
+	int nominal_write_speed;
+	unsigned wfb_min_usec;
+	unsigned wfb_max_usec;
+	unsigned wfb_timeout_sec;
+	unsigned wfb_min_percent;
+	unsigned wfb_max_percent;
+	unsigned pessimistic_writes;
+	unsigned waited_writes;
+	unsigned waited_tries;
+	unsigned waited_usec;
+
 	volatile int cancel;
 	volatile enum burn_drive_status busy;
 /* transport functions */

libburn/write.c

@@ -875,6 +875,14 @@ int burn_disc_init_write_status(struct burn_write_opts *o,
 	d->progress.buffered_bytes = 0;
 	d->progress.buffer_min_fill = 0xffffffff;
 
+	/* ts A70711 */
+	d->pessimistic_buffer_free = 0;
+	d->pbf_altered = 0;
+	d->pessimistic_writes = 0;
+	d->waited_writes = 0;
+	d->waited_tries = 0;
+	d->waited_usec = 0;
+
 	/* Set eventual media fill up for last track only */
 	for (sx = 0; sx < disc->sessions; sx++)
 		for (tx = 0 ; tx < disc->session[sx]->tracks; tx++) {

test/libburner.c

@@ -350,7 +350,7 @@ int libburner_format_row(struct burn_drive *drive)
 
 /** Brings preformatted track images (ISO 9660, audio, ...) onto media.
     To make sure a data image is fully readable on any Linux machine, this
-    function adds 300 kB of padding to the (usualy single) track.
+    function adds 300 kiB of padding to the (usualy single) track.
     Audio tracks get padded to complete their last sector.
 
     In case of external signals expect abort handling of an ongoing burn to
@@ -378,7 +378,7 @@ int libburner_payload(struct burn_drive *drive,
 
 	if (all_tracks_type != BURN_AUDIO) {
 		all_tracks_type = BURN_MODE1;
-		/* a padding of 300 kB helps to avoid the read-ahead bug */
+		/* a padding of 300 kiB helps to avoid the read-ahead bug */
 		padding = 300*1024;
 	}
 

test/telltoc.c

@@ -312,6 +312,11 @@ int telltoc_media(struct burn_drive *drive)
 				caps->advised_write_mode == BURN_WRITE_RAW ?
 				" (advised)" : "");
 		printf("\n");
+		printf("Write dummy  : ");
+		if (caps->might_simulate)
+			printf("supposed to work with non-RAW modes\n");
+		else
+			printf("will not work\n");
 		o= burn_write_opts_new(drive);
 		if (o != NULL) {
 			burn_write_opts_set_perform_opc(o, 0);